./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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---drivers--media--rc--lirc_dev.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 21c7509b891e0ddc87dd83939d0ee5cb835b3606a1a2de3064d905837c808c7b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 16:02:13,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:02:13,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:02:13,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:02:13,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:02:13,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:02:13,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:02:13,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:02:13,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:02:13,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:02:13,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:02:13,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:02:13,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:02:13,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:02:13,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:02:13,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:02:13,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:02:13,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:02:13,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:02:13,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:02:13,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:02:13,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:02:13,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:02:13,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:02:13,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:02:13,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:02:13,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:02:13,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:02:13,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:02:13,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:02:13,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:02:13,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:02:13,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:02:13,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:02:13,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:02:13,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:02:13,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:02:13,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:02:13,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:02:13,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:02:13,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:02:13,886 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 16:02:13,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:02:13,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:02:13,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:02:13,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:02:13,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:02:13,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:02:13,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:02:13,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:02:13,913 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:02:13,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:02:13,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:02:13,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:02:13,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 16:02:13,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:02:13,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 16:02:13,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 16:02:13,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:02:13,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 16:02:13,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:02:13,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:02:13,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:02:13,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:02:13,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:02:13,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:02:13,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 16:02:13,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 16:02:13,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 16:02:13,917 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 16:02:13,917 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 16:02:13,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 16:02:13,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:02:13,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21c7509b891e0ddc87dd83939d0ee5cb835b3606a1a2de3064d905837c808c7b [2021-12-22 16:02:14,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:02:14,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:02:14,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:02:14,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:02:14,193 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:02:14,194 INFO L432 ainManager$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---drivers--media--rc--lirc_dev.ko.cil.i [2021-12-22 16:02:14,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/445b2b1c6/11183937f558428f9dbc55002746764b/FLAG9c001adc2 [2021-12-22 16:02:14,957 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:02:14,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i [2021-12-22 16:02:14,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/445b2b1c6/11183937f558428f9dbc55002746764b/FLAG9c001adc2 [2021-12-22 16:02:15,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/445b2b1c6/11183937f558428f9dbc55002746764b [2021-12-22 16:02:15,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:02:15,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:02:15,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:02:15,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:02:15,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:02:15,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:02:15" (1/1) ... [2021-12-22 16:02:15,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ace0c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:15, skipping insertion in model container [2021-12-22 16:02:15,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:02:15" (1/1) ... [2021-12-22 16:02:15,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:02:15,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:02:17,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292064,292077] [2021-12-22 16:02:17,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292209,292222] [2021-12-22 16:02:17,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292355,292368] [2021-12-22 16:02:17,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292520,292533] [2021-12-22 16:02:17,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292678,292691] [2021-12-22 16:02:17,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292836,292849] [2021-12-22 16:02:17,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292994,293007] [2021-12-22 16:02:17,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293154,293167] [2021-12-22 16:02:17,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293313,293326] [2021-12-22 16:02:17,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293452,293465] [2021-12-22 16:02:17,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293594,293607] [2021-12-22 16:02:17,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293743,293756] [2021-12-22 16:02:17,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293882,293895] [2021-12-22 16:02:17,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294037,294050] [2021-12-22 16:02:17,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294197,294210] [2021-12-22 16:02:17,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294348,294361] [2021-12-22 16:02:17,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294499,294512] [2021-12-22 16:02:17,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294651,294664] [2021-12-22 16:02:17,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294800,294813] [2021-12-22 16:02:17,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294948,294961] [2021-12-22 16:02:17,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295105,295118] [2021-12-22 16:02:17,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295254,295267] [2021-12-22 16:02:17,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295410,295423] [2021-12-22 16:02:17,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295563,295576] [2021-12-22 16:02:17,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295709,295722] [2021-12-22 16:02:17,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295852,295865] [2021-12-22 16:02:17,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296004,296017] [2021-12-22 16:02:17,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296150,296163] [2021-12-22 16:02:17,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296295,296308] [2021-12-22 16:02:17,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296449,296462] [2021-12-22 16:02:17,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296600,296613] [2021-12-22 16:02:17,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296755,296768] [2021-12-22 16:02:17,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296907,296920] [2021-12-22 16:02:17,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297062,297075] [2021-12-22 16:02:17,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297226,297239] [2021-12-22 16:02:17,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297382,297395] [2021-12-22 16:02:17,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297546,297559] [2021-12-22 16:02:17,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297688,297701] [2021-12-22 16:02:17,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297846,297859] [2021-12-22 16:02:17,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298013,298026] [2021-12-22 16:02:17,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298172,298185] [2021-12-22 16:02:17,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298331,298344] [2021-12-22 16:02:17,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298480,298493] [2021-12-22 16:02:17,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298627,298640] [2021-12-22 16:02:17,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298766,298779] [2021-12-22 16:02:17,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298929,298942] [2021-12-22 16:02:17,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299095,299108] [2021-12-22 16:02:17,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299259,299272] [2021-12-22 16:02:17,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299424,299437] [2021-12-22 16:02:17,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299589,299602] [2021-12-22 16:02:17,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299755,299768] [2021-12-22 16:02:17,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299920,299933] [2021-12-22 16:02:17,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300087,300100] [2021-12-22 16:02:17,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300247,300260] [2021-12-22 16:02:17,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300409,300422] [2021-12-22 16:02:17,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300568,300581] [2021-12-22 16:02:17,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300714,300727] [2021-12-22 16:02:17,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300857,300870] [2021-12-22 16:02:17,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301001,301014] [2021-12-22 16:02:17,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301144,301157] [2021-12-22 16:02:17,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301288,301301] [2021-12-22 16:02:17,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301429,301442] [2021-12-22 16:02:17,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301567,301580] [2021-12-22 16:02:17,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301725,301738] [2021-12-22 16:02:17,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301884,301897] [2021-12-22 16:02:17,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302040,302053] [2021-12-22 16:02:17,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302189,302202] [2021-12-22 16:02:17,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302341,302354] [2021-12-22 16:02:17,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302492,302505] [2021-12-22 16:02:17,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302641,302654] [2021-12-22 16:02:17,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302793,302806] [2021-12-22 16:02:17,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302941,302954] [2021-12-22 16:02:17,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303094,303107] [2021-12-22 16:02:17,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303245,303258] [2021-12-22 16:02:17,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303395,303408] [2021-12-22 16:02:17,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303542,303555] [2021-12-22 16:02:17,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303693,303706] [2021-12-22 16:02:17,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303844,303857] [2021-12-22 16:02:17,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303992,304005] [2021-12-22 16:02:17,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304158,304171] [2021-12-22 16:02:17,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304327,304340] [2021-12-22 16:02:17,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304494,304507] [2021-12-22 16:02:17,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304662,304675] [2021-12-22 16:02:17,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304812,304825] [2021-12-22 16:02:17,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304959,304972] [2021-12-22 16:02:17,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305120,305133] [2021-12-22 16:02:17,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305290,305303] [2021-12-22 16:02:17,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305452,305465] [2021-12-22 16:02:17,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:02:17,428 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 16:02:17,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292064,292077] [2021-12-22 16:02:17,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292209,292222] [2021-12-22 16:02:17,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292355,292368] [2021-12-22 16:02:17,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292520,292533] [2021-12-22 16:02:17,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292678,292691] [2021-12-22 16:02:17,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292836,292849] [2021-12-22 16:02:17,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292994,293007] [2021-12-22 16:02:17,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293154,293167] [2021-12-22 16:02:17,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293313,293326] [2021-12-22 16:02:17,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293452,293465] [2021-12-22 16:02:17,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293594,293607] [2021-12-22 16:02:17,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293743,293756] [2021-12-22 16:02:17,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293882,293895] [2021-12-22 16:02:17,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294037,294050] [2021-12-22 16:02:17,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294197,294210] [2021-12-22 16:02:17,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294348,294361] [2021-12-22 16:02:17,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294499,294512] [2021-12-22 16:02:17,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294651,294664] [2021-12-22 16:02:17,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294800,294813] [2021-12-22 16:02:17,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294948,294961] [2021-12-22 16:02:17,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295105,295118] [2021-12-22 16:02:17,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295254,295267] [2021-12-22 16:02:17,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295410,295423] [2021-12-22 16:02:17,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295563,295576] [2021-12-22 16:02:17,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295709,295722] [2021-12-22 16:02:17,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295852,295865] [2021-12-22 16:02:17,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296004,296017] [2021-12-22 16:02:17,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296150,296163] [2021-12-22 16:02:17,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296295,296308] [2021-12-22 16:02:17,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296449,296462] [2021-12-22 16:02:17,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296600,296613] [2021-12-22 16:02:17,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296755,296768] [2021-12-22 16:02:17,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296907,296920] [2021-12-22 16:02:17,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297062,297075] [2021-12-22 16:02:17,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297226,297239] [2021-12-22 16:02:17,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297382,297395] [2021-12-22 16:02:17,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297546,297559] [2021-12-22 16:02:17,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297688,297701] [2021-12-22 16:02:17,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297846,297859] [2021-12-22 16:02:17,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298013,298026] [2021-12-22 16:02:17,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298172,298185] [2021-12-22 16:02:17,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298331,298344] [2021-12-22 16:02:17,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298480,298493] [2021-12-22 16:02:17,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298627,298640] [2021-12-22 16:02:17,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298766,298779] [2021-12-22 16:02:17,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298929,298942] [2021-12-22 16:02:17,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299095,299108] [2021-12-22 16:02:17,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299259,299272] [2021-12-22 16:02:17,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299424,299437] [2021-12-22 16:02:17,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299589,299602] [2021-12-22 16:02:17,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299755,299768] [2021-12-22 16:02:17,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299920,299933] [2021-12-22 16:02:17,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300087,300100] [2021-12-22 16:02:17,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300247,300260] [2021-12-22 16:02:17,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300409,300422] [2021-12-22 16:02:17,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300568,300581] [2021-12-22 16:02:17,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300714,300727] [2021-12-22 16:02:17,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300857,300870] [2021-12-22 16:02:17,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301001,301014] [2021-12-22 16:02:17,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301144,301157] [2021-12-22 16:02:17,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301288,301301] [2021-12-22 16:02:17,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301429,301442] [2021-12-22 16:02:17,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301567,301580] [2021-12-22 16:02:17,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301725,301738] [2021-12-22 16:02:17,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301884,301897] [2021-12-22 16:02:17,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302040,302053] [2021-12-22 16:02:17,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302189,302202] [2021-12-22 16:02:17,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302341,302354] [2021-12-22 16:02:17,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302492,302505] [2021-12-22 16:02:17,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302641,302654] [2021-12-22 16:02:17,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302793,302806] [2021-12-22 16:02:17,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302941,302954] [2021-12-22 16:02:17,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303094,303107] [2021-12-22 16:02:17,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303245,303258] [2021-12-22 16:02:17,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303395,303408] [2021-12-22 16:02:17,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303542,303555] [2021-12-22 16:02:17,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303693,303706] [2021-12-22 16:02:17,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303844,303857] [2021-12-22 16:02:17,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303992,304005] [2021-12-22 16:02:17,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304158,304171] [2021-12-22 16:02:17,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304327,304340] [2021-12-22 16:02:17,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304494,304507] [2021-12-22 16:02:17,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304662,304675] [2021-12-22 16:02:17,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304812,304825] [2021-12-22 16:02:17,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304959,304972] [2021-12-22 16:02:17,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305120,305133] [2021-12-22 16:02:17,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305290,305303] [2021-12-22 16:02:17,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305452,305465] [2021-12-22 16:02:17,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:02:17,767 INFO L208 MainTranslator]: Completed translation [2021-12-22 16:02:17,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17 WrapperNode [2021-12-22 16:02:17,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:02:17,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 16:02:17,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 16:02:17,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 16:02:17,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:17,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:17,939 INFO L137 Inliner]: procedures = 519, calls = 1770, calls flagged for inlining = 206, calls inlined = 55, statements flattened = 940 [2021-12-22 16:02:17,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 16:02:17,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 16:02:17,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 16:02:17,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 16:02:17,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:17,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:17,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:17,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:17,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:18,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:18,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:18,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 16:02:18,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 16:02:18,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 16:02:18,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 16:02:18,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (1/1) ... [2021-12-22 16:02:18,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:02:18,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:02:18,055 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) [2021-12-22 16:02:18,057 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 [2021-12-22 16:02:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-22 16:02:18,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-22 16:02:18,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-22 16:02:18,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-22 16:02:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:02:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:02:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 16:02:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 16:02:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:02:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:02:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:02:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:02:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:02:18,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:02:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 16:02:18,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 16:02:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:02:18,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:02:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:02:18,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:02:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 16:02:18,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 16:02:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:02:18,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:02:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 16:02:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:02:18,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:02:18,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:02:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:02:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-22 16:02:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-22 16:02:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:02:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:02:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:02:18,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:02:18,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 16:02:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 16:02:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 16:02:18,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 16:02:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:02:18,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:02:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 16:02:18,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 16:02:18,092 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 16:02:18,093 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 16:02:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 16:02:18,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 16:02:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-12-22 16:02:18,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-12-22 16:02:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:02:18,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:02:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:02:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:02:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:02:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:02:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-22 16:02:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-22 16:02:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-12-22 16:02:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-12-22 16:02:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 16:02:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:02:18,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:02:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 16:02:18,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 16:02:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:02:18,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:02:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:02:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:02:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:02:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:02:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:02:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:02:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 16:02:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 16:02:18,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:02:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:02:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:02:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:02:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 16:02:18,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-22 16:02:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-22 16:02:18,336 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 16:02:18,338 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 16:02:18,441 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 16:02:19,023 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 16:02:19,042 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 16:02:19,043 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 16:02:19,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:02:19 BoogieIcfgContainer [2021-12-22 16:02:19,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 16:02:19,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 16:02:19,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 16:02:19,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 16:02:19,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:02:15" (1/3) ... [2021-12-22 16:02:19,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4872124f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:02:19, skipping insertion in model container [2021-12-22 16:02:19,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:17" (2/3) ... [2021-12-22 16:02:19,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4872124f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:02:19, skipping insertion in model container [2021-12-22 16:02:19,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:02:19" (3/3) ... [2021-12-22 16:02:19,054 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i [2021-12-22 16:02:19,059 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 16:02:19,059 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-12-22 16:02:19,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 16:02:19,105 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 16:02:19,105 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-12-22 16:02:19,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 374 states, 231 states have (on average 1.3073593073593073) internal successors, (302), 263 states have internal predecessors, (302), 77 states have call successors, (77), 37 states have call predecessors, (77), 36 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2021-12-22 16:02:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-22 16:02:19,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:19,139 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 16:02:19,140 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:19,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:19,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1456749468, now seen corresponding path program 1 times [2021-12-22 16:02:19,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:19,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141678427] [2021-12-22 16:02:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:19,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:19,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 16:02:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-22 16:02:19,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:19,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141678427] [2021-12-22 16:02:19,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141678427] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:19,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:19,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:19,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91803326] [2021-12-22 16:02:19,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:19,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:19,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:19,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:19,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:19,673 INFO L87 Difference]: Start difference. First operand has 374 states, 231 states have (on average 1.3073593073593073) internal successors, (302), 263 states have internal predecessors, (302), 77 states have call successors, (77), 37 states have call predecessors, (77), 36 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-22 16:02:20,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:20,825 INFO L93 Difference]: Finished difference Result 1054 states and 1373 transitions. [2021-12-22 16:02:20,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:20,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2021-12-22 16:02:20,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:20,849 INFO L225 Difference]: With dead ends: 1054 [2021-12-22 16:02:20,850 INFO L226 Difference]: Without dead ends: 691 [2021-12-22 16:02:20,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 16:02:20,862 INFO L933 BasicCegarLoop]: 752 mSDtfsCounter, 539 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 1837 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:20,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 1837 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-22 16:02:20,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2021-12-22 16:02:20,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 480. [2021-12-22 16:02:20,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 302 states have (on average 1.1754966887417218) internal successors, (355), 336 states have internal predecessors, (355), 101 states have call successors, (101), 50 states have call predecessors, (101), 49 states have return successors, (101), 97 states have call predecessors, (101), 99 states have call successors, (101) [2021-12-22 16:02:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 557 transitions. [2021-12-22 16:02:20,984 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 557 transitions. Word has length 35 [2021-12-22 16:02:20,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:20,985 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 557 transitions. [2021-12-22 16:02:20,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-22 16:02:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 557 transitions. [2021-12-22 16:02:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-22 16:02:20,988 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:20,988 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-12-22 16:02:20,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 16:02:20,989 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:20,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:20,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1101797720, now seen corresponding path program 1 times [2021-12-22 16:02:20,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:20,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817266937] [2021-12-22 16:02:20,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:20,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 16:02:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 16:02:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,193 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-22 16:02:21,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:21,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817266937] [2021-12-22 16:02:21,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817266937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:21,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:21,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:21,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362292748] [2021-12-22 16:02:21,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:21,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:21,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:21,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:21,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:21,196 INFO L87 Difference]: Start difference. First operand 480 states and 557 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-22 16:02:21,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:21,661 INFO L93 Difference]: Finished difference Result 482 states and 559 transitions. [2021-12-22 16:02:21,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 16:02:21,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 48 [2021-12-22 16:02:21,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:21,665 INFO L225 Difference]: With dead ends: 482 [2021-12-22 16:02:21,665 INFO L226 Difference]: Without dead ends: 480 [2021-12-22 16:02:21,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 16:02:21,666 INFO L933 BasicCegarLoop]: 392 mSDtfsCounter, 508 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:21,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [568 Valid, 883 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-22 16:02:21,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2021-12-22 16:02:21,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 478. [2021-12-22 16:02:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 301 states have (on average 1.169435215946844) internal successors, (352), 334 states have internal predecessors, (352), 101 states have call successors, (101), 50 states have call predecessors, (101), 49 states have return successors, (101), 97 states have call predecessors, (101), 99 states have call successors, (101) [2021-12-22 16:02:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 554 transitions. [2021-12-22 16:02:21,687 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 554 transitions. Word has length 48 [2021-12-22 16:02:21,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:21,688 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 554 transitions. [2021-12-22 16:02:21,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-22 16:02:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 554 transitions. [2021-12-22 16:02:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-22 16:02:21,690 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:21,691 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2021-12-22 16:02:21,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 16:02:21,691 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:21,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:21,692 INFO L85 PathProgramCache]: Analyzing trace with hash 951373245, now seen corresponding path program 1 times [2021-12-22 16:02:21,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:21,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805787283] [2021-12-22 16:02:21,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:21,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 16:02:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 16:02:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 16:02:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-22 16:02:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-22 16:02:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-22 16:02:21,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:21,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805787283] [2021-12-22 16:02:21,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805787283] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:21,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:21,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:21,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846602291] [2021-12-22 16:02:21,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:21,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:21,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:21,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:21,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:21,936 INFO L87 Difference]: Start difference. First operand 478 states and 554 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 16:02:22,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:22,617 INFO L93 Difference]: Finished difference Result 821 states and 930 transitions. [2021-12-22 16:02:22,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:22,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 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 86 [2021-12-22 16:02:22,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:22,621 INFO L225 Difference]: With dead ends: 821 [2021-12-22 16:02:22,622 INFO L226 Difference]: Without dead ends: 819 [2021-12-22 16:02:22,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 16:02:22,623 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 632 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:22,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 1163 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 16:02:22,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2021-12-22 16:02:22,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 672. [2021-12-22 16:02:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 432 states have (on average 1.1828703703703705) internal successors, (511), 467 states have internal predecessors, (511), 137 states have call successors, (137), 78 states have call predecessors, (137), 77 states have return successors, (137), 131 states have call predecessors, (137), 135 states have call successors, (137) [2021-12-22 16:02:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 785 transitions. [2021-12-22 16:02:22,662 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 785 transitions. Word has length 86 [2021-12-22 16:02:22,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:22,664 INFO L470 AbstractCegarLoop]: Abstraction has 672 states and 785 transitions. [2021-12-22 16:02:22,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 16:02:22,665 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 785 transitions. [2021-12-22 16:02:22,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-22 16:02:22,670 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:22,670 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-12-22 16:02:22,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 16:02:22,670 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:22,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:22,671 INFO L85 PathProgramCache]: Analyzing trace with hash -292723993, now seen corresponding path program 1 times [2021-12-22 16:02:22,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:22,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623561607] [2021-12-22 16:02:22,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:22,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 16:02:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 16:02:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 16:02:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-22 16:02:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-22 16:02:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 16:02:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:22,967 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-12-22 16:02:22,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:22,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623561607] [2021-12-22 16:02:22,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623561607] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:22,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:22,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:22,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889489161] [2021-12-22 16:02:22,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:22,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:22,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:22,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:22,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:22,970 INFO L87 Difference]: Start difference. First operand 672 states and 785 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:02:23,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:23,412 INFO L93 Difference]: Finished difference Result 674 states and 787 transitions. [2021-12-22 16:02:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 16:02:23,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 3 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 105 [2021-12-22 16:02:23,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:23,417 INFO L225 Difference]: With dead ends: 674 [2021-12-22 16:02:23,417 INFO L226 Difference]: Without dead ends: 672 [2021-12-22 16:02:23,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 16:02:23,419 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 487 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:23,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [543 Valid, 879 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-22 16:02:23,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2021-12-22 16:02:23,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 670. [2021-12-22 16:02:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 431 states have (on average 1.1763341067285382) internal successors, (507), 465 states have internal predecessors, (507), 137 states have call successors, (137), 78 states have call predecessors, (137), 77 states have return successors, (137), 131 states have call predecessors, (137), 135 states have call successors, (137) [2021-12-22 16:02:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 781 transitions. [2021-12-22 16:02:23,450 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 781 transitions. Word has length 105 [2021-12-22 16:02:23,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:23,452 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 781 transitions. [2021-12-22 16:02:23,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:02:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 781 transitions. [2021-12-22 16:02:23,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-22 16:02:23,455 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:23,455 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-12-22 16:02:23,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 16:02:23,467 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:23,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:23,468 INFO L85 PathProgramCache]: Analyzing trace with hash -876569357, now seen corresponding path program 1 times [2021-12-22 16:02:23,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:23,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736036540] [2021-12-22 16:02:23,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:23,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 16:02:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 16:02:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 16:02:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-22 16:02:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:02:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 16:02:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:02:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-22 16:02:23,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:23,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736036540] [2021-12-22 16:02:23,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736036540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:23,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:23,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 16:02:23,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660313418] [2021-12-22 16:02:23,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:23,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 16:02:23,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:23,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 16:02:23,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 16:02:23,696 INFO L87 Difference]: Start difference. First operand 670 states and 781 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, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:02:24,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:24,222 INFO L93 Difference]: Finished difference Result 672 states and 783 transitions. [2021-12-22 16:02:24,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 16:02:24,222 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, (17), 5 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 107 [2021-12-22 16:02:24,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:24,225 INFO L225 Difference]: With dead ends: 672 [2021-12-22 16:02:24,225 INFO L226 Difference]: Without dead ends: 670 [2021-12-22 16:02:24,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-22 16:02:24,226 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 838 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:24,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [888 Valid, 792 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-22 16:02:24,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2021-12-22 16:02:24,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 668. [2021-12-22 16:02:24,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 430 states have (on average 1.172093023255814) internal successors, (504), 463 states have internal predecessors, (504), 137 states have call successors, (137), 78 states have call predecessors, (137), 77 states have return successors, (137), 131 states have call predecessors, (137), 135 states have call successors, (137) [2021-12-22 16:02:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 778 transitions. [2021-12-22 16:02:24,248 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 778 transitions. Word has length 107 [2021-12-22 16:02:24,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:24,248 INFO L470 AbstractCegarLoop]: Abstraction has 668 states and 778 transitions. [2021-12-22 16:02:24,248 INFO L471 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, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:02:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 778 transitions. [2021-12-22 16:02:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-22 16:02:24,250 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:24,250 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-12-22 16:02:24,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 16:02:24,250 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:24,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:24,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1725971280, now seen corresponding path program 1 times [2021-12-22 16:02:24,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:24,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457538549] [2021-12-22 16:02:24,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:24,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 16:02:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 16:02:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 16:02:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-22 16:02:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:02:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 16:02:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:02:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:02:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:24,452 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-22 16:02:24,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:24,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457538549] [2021-12-22 16:02:24,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457538549] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:24,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:24,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 16:02:24,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703520711] [2021-12-22 16:02:24,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:24,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 16:02:24,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:24,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 16:02:24,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 16:02:24,454 INFO L87 Difference]: Start difference. First operand 668 states and 778 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 16:02:25,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:25,045 INFO L93 Difference]: Finished difference Result 670 states and 780 transitions. [2021-12-22 16:02:25,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 16:02:25,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (18), 5 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 113 [2021-12-22 16:02:25,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:25,064 INFO L225 Difference]: With dead ends: 670 [2021-12-22 16:02:25,064 INFO L226 Difference]: Without dead ends: 668 [2021-12-22 16:02:25,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-22 16:02:25,065 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 830 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:25,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [879 Valid, 790 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 16:02:25,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-12-22 16:02:25,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 666. [2021-12-22 16:02:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 429 states have (on average 1.167832167832168) internal successors, (501), 461 states have internal predecessors, (501), 137 states have call successors, (137), 78 states have call predecessors, (137), 77 states have return successors, (137), 131 states have call predecessors, (137), 135 states have call successors, (137) [2021-12-22 16:02:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 775 transitions. [2021-12-22 16:02:25,089 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 775 transitions. Word has length 113 [2021-12-22 16:02:25,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:25,089 INFO L470 AbstractCegarLoop]: Abstraction has 666 states and 775 transitions. [2021-12-22 16:02:25,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 16:02:25,090 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 775 transitions. [2021-12-22 16:02:25,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-22 16:02:25,091 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:25,091 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-12-22 16:02:25,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 16:02:25,091 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:25,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:25,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1315263575, now seen corresponding path program 1 times [2021-12-22 16:02:25,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:25,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764853663] [2021-12-22 16:02:25,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:25,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 16:02:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 16:02:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 16:02:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-22 16:02:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:02:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 16:02:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:02:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 16:02:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-22 16:02:25,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:25,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764853663] [2021-12-22 16:02:25,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764853663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:25,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:25,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-22 16:02:25,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504755031] [2021-12-22 16:02:25,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:25,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-22 16:02:25,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:25,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-22 16:02:25,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-12-22 16:02:25,513 INFO L87 Difference]: Start difference. First operand 666 states and 775 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 10 states have internal predecessors, (58), 6 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) [2021-12-22 16:02:27,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:27,705 INFO L93 Difference]: Finished difference Result 1556 states and 1785 transitions. [2021-12-22 16:02:27,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-22 16:02:27,705 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 10 states have internal predecessors, (58), 6 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) Word has length 114 [2021-12-22 16:02:27,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:27,710 INFO L225 Difference]: With dead ends: 1556 [2021-12-22 16:02:27,711 INFO L226 Difference]: Without dead ends: 1317 [2021-12-22 16:02:27,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=771, Unknown=0, NotChecked=0, Total=930 [2021-12-22 16:02:27,712 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 1539 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 2845 mSolverCounterSat, 868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 2502 SdHoareTripleChecker+Invalid, 3713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 868 IncrementalHoareTripleChecker+Valid, 2845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:27,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1549 Valid, 2502 Invalid, 3713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [868 Valid, 2845 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-22 16:02:27,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2021-12-22 16:02:27,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 902. [2021-12-22 16:02:27,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 587 states have (on average 1.161839863713799) internal successors, (682), 628 states have internal predecessors, (682), 188 states have call successors, (188), 104 states have call predecessors, (188), 104 states have return successors, (188), 178 states have call predecessors, (188), 186 states have call successors, (188) [2021-12-22 16:02:27,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1058 transitions. [2021-12-22 16:02:27,754 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1058 transitions. Word has length 114 [2021-12-22 16:02:27,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:27,754 INFO L470 AbstractCegarLoop]: Abstraction has 902 states and 1058 transitions. [2021-12-22 16:02:27,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 10 states have internal predecessors, (58), 6 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) [2021-12-22 16:02:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1058 transitions. [2021-12-22 16:02:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-22 16:02:27,759 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:27,759 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:02:27,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 16:02:27,761 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:27,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:27,761 INFO L85 PathProgramCache]: Analyzing trace with hash -331086751, now seen corresponding path program 1 times [2021-12-22 16:02:27,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:27,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295693170] [2021-12-22 16:02:27,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:27,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 16:02:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 16:02:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 16:02:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-22 16:02:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-22 16:02:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-22 16:02:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:02:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 16:02:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-22 16:02:28,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:28,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295693170] [2021-12-22 16:02:28,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295693170] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:28,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:28,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-22 16:02:28,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501957841] [2021-12-22 16:02:28,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:28,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-22 16:02:28,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:28,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-22 16:02:28,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-22 16:02:28,102 INFO L87 Difference]: Start difference. First operand 902 states and 1058 transitions. Second operand has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 10 states have internal predecessors, (55), 6 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-22 16:02:30,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:30,002 INFO L93 Difference]: Finished difference Result 1829 states and 2159 transitions. [2021-12-22 16:02:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-22 16:02:30,003 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 10 states have internal predecessors, (55), 6 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 122 [2021-12-22 16:02:30,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:30,012 INFO L225 Difference]: With dead ends: 1829 [2021-12-22 16:02:30,012 INFO L226 Difference]: Without dead ends: 1329 [2021-12-22 16:02:30,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2021-12-22 16:02:30,015 INFO L933 BasicCegarLoop]: 454 mSDtfsCounter, 846 mSDsluCounter, 2647 mSDsCounter, 0 mSdLazyCounter, 2763 mSolverCounterSat, 791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 3554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 791 IncrementalHoareTripleChecker+Valid, 2763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:30,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [864 Valid, 3101 Invalid, 3554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [791 Valid, 2763 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-22 16:02:30,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2021-12-22 16:02:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 887. [2021-12-22 16:02:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 575 states have (on average 1.151304347826087) internal successors, (662), 616 states have internal predecessors, (662), 185 states have call successors, (185), 104 states have call predecessors, (185), 104 states have return successors, (184), 175 states have call predecessors, (184), 183 states have call successors, (184) [2021-12-22 16:02:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1031 transitions. [2021-12-22 16:02:30,073 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1031 transitions. Word has length 122 [2021-12-22 16:02:30,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:30,073 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1031 transitions. [2021-12-22 16:02:30,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 10 states have internal predecessors, (55), 6 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-22 16:02:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1031 transitions. [2021-12-22 16:02:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-22 16:02:30,077 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:30,077 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-12-22 16:02:30,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 16:02:30,077 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:30,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:30,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1688734875, now seen corresponding path program 1 times [2021-12-22 16:02:30,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:30,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142158223] [2021-12-22 16:02:30,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:30,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 16:02:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 16:02:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 16:02:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-22 16:02:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:02:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 16:02:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:02:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:02:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 16:02:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-22 16:02:30,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:30,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142158223] [2021-12-22 16:02:30,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142158223] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:30,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:30,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-22 16:02:30,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60982614] [2021-12-22 16:02:30,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:30,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-22 16:02:30,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:30,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-22 16:02:30,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2021-12-22 16:02:30,715 INFO L87 Difference]: Start difference. First operand 887 states and 1031 transitions. Second operand has 28 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 22 states have internal predecessors, (65), 9 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18) [2021-12-22 16:02:33,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:33,224 INFO L93 Difference]: Finished difference Result 1361 states and 1599 transitions. [2021-12-22 16:02:33,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-22 16:02:33,224 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 22 states have internal predecessors, (65), 9 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18) Word has length 117 [2021-12-22 16:02:33,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:33,228 INFO L225 Difference]: With dead ends: 1361 [2021-12-22 16:02:33,228 INFO L226 Difference]: Without dead ends: 659 [2021-12-22 16:02:33,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=282, Invalid=2268, Unknown=0, NotChecked=0, Total=2550 [2021-12-22 16:02:33,232 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 855 mSDsluCounter, 5399 mSDsCounter, 0 mSdLazyCounter, 5098 mSolverCounterSat, 554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 5825 SdHoareTripleChecker+Invalid, 5652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 5098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:33,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [887 Valid, 5825 Invalid, 5652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [554 Valid, 5098 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 16:02:33,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-12-22 16:02:33,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 608. [2021-12-22 16:02:33,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 391 states have (on average 1.156010230179028) internal successors, (452), 421 states have internal predecessors, (452), 124 states have call successors, (124), 71 states have call predecessors, (124), 70 states have return successors, (122), 119 states have call predecessors, (122), 122 states have call successors, (122) [2021-12-22 16:02:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 698 transitions. [2021-12-22 16:02:33,264 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 698 transitions. Word has length 117 [2021-12-22 16:02:33,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:33,264 INFO L470 AbstractCegarLoop]: Abstraction has 608 states and 698 transitions. [2021-12-22 16:02:33,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 22 states have internal predecessors, (65), 9 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18) [2021-12-22 16:02:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 698 transitions. [2021-12-22 16:02:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-22 16:02:33,266 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:33,266 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-22 16:02:33,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 16:02:33,266 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:33,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:33,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1120376943, now seen corresponding path program 1 times [2021-12-22 16:02:33,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:33,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075732017] [2021-12-22 16:02:33,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:33,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-22 16:02:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 16:02:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 16:02:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:02:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:02:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 16:02:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 16:02:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 16:02:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 16:02:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 16:02:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,836 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-22 16:02:33,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:33,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075732017] [2021-12-22 16:02:33,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075732017] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 16:02:33,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799535302] [2021-12-22 16:02:33,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:33,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 16:02:33,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:02:33,850 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) [2021-12-22 16:02:33,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 16:02:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 1897 conjuncts, 95 conjunts are in the unsatisfiable core [2021-12-22 16:02:34,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 16:02:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-12-22 16:02:35,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 16:02:35,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799535302] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:35,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 16:02:35,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [18] total 38 [2021-12-22 16:02:35,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735438496] [2021-12-22 16:02:35,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:35,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-22 16:02:35,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:35,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-22 16:02:35,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1317, Unknown=0, NotChecked=0, Total=1406 [2021-12-22 16:02:35,231 INFO L87 Difference]: Start difference. First operand 608 states and 698 transitions. Second operand has 23 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 18 states have internal predecessors, (67), 9 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (20), 9 states have call predecessors, (20), 8 states have call successors, (20) [2021-12-22 16:02:37,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:37,813 INFO L93 Difference]: Finished difference Result 1054 states and 1171 transitions. [2021-12-22 16:02:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-22 16:02:37,814 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 18 states have internal predecessors, (67), 9 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (20), 9 states have call predecessors, (20), 8 states have call successors, (20) Word has length 130 [2021-12-22 16:02:37,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:37,818 INFO L225 Difference]: With dead ends: 1054 [2021-12-22 16:02:37,818 INFO L226 Difference]: Without dead ends: 859 [2021-12-22 16:02:37,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=237, Invalid=2955, Unknown=0, NotChecked=0, Total=3192 [2021-12-22 16:02:37,820 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 970 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 2705 mSolverCounterSat, 720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 5909 SdHoareTripleChecker+Invalid, 3425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 720 IncrementalHoareTripleChecker+Valid, 2705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:37,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [975 Valid, 5909 Invalid, 3425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [720 Valid, 2705 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-22 16:02:37,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2021-12-22 16:02:37,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 664. [2021-12-22 16:02:37,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 428 states have (on average 1.1518691588785046) internal successors, (493), 460 states have internal predecessors, (493), 135 states have call successors, (135), 79 states have call predecessors, (135), 78 states have return successors, (133), 128 states have call predecessors, (133), 133 states have call successors, (133) [2021-12-22 16:02:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 761 transitions. [2021-12-22 16:02:37,869 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 761 transitions. Word has length 130 [2021-12-22 16:02:37,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:37,870 INFO L470 AbstractCegarLoop]: Abstraction has 664 states and 761 transitions. [2021-12-22 16:02:37,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 18 states have internal predecessors, (67), 9 states have call successors, (21), 4 states have call predecessors, (21), 6 states have return successors, (20), 9 states have call predecessors, (20), 8 states have call successors, (20) [2021-12-22 16:02:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 761 transitions. [2021-12-22 16:02:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-22 16:02:37,872 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:37,872 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:02:37,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 16:02:38,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-22 16:02:38,087 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:38,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:38,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1921822841, now seen corresponding path program 1 times [2021-12-22 16:02:38,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:38,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089551515] [2021-12-22 16:02:38,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:38,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-22 16:02:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 16:02:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 16:02:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:02:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 16:02:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 16:02:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-22 16:02:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 16:02:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-12-22 16:02:38,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:38,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089551515] [2021-12-22 16:02:38,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089551515] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 16:02:38,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156243907] [2021-12-22 16:02:38,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:38,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 16:02:38,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:02:38,579 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) [2021-12-22 16:02:38,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-22 16:02:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:38,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 69 conjunts are in the unsatisfiable core [2021-12-22 16:02:38,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 16:02:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 105 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-22 16:02:39,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 16:02:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-12-22 16:02:40,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156243907] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 16:02:40,230 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 16:02:40,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 33 [2021-12-22 16:02:40,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825856505] [2021-12-22 16:02:40,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 16:02:40,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-12-22 16:02:40,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:40,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-12-22 16:02:40,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=965, Unknown=0, NotChecked=0, Total=1056 [2021-12-22 16:02:40,232 INFO L87 Difference]: Start difference. First operand 664 states and 761 transitions. Second operand has 33 states, 27 states have (on average 3.814814814814815) internal successors, (103), 23 states have internal predecessors, (103), 10 states have call successors, (40), 3 states have call predecessors, (40), 9 states have return successors, (41), 16 states have call predecessors, (41), 10 states have call successors, (41) [2021-12-22 16:02:42,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:42,694 INFO L93 Difference]: Finished difference Result 1270 states and 1451 transitions. [2021-12-22 16:02:42,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-22 16:02:42,694 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 27 states have (on average 3.814814814814815) internal successors, (103), 23 states have internal predecessors, (103), 10 states have call successors, (40), 3 states have call predecessors, (40), 9 states have return successors, (41), 16 states have call predecessors, (41), 10 states have call successors, (41) Word has length 138 [2021-12-22 16:02:42,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:42,697 INFO L225 Difference]: With dead ends: 1270 [2021-12-22 16:02:42,697 INFO L226 Difference]: Without dead ends: 651 [2021-12-22 16:02:42,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 292 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=193, Invalid=1787, Unknown=0, NotChecked=0, Total=1980 [2021-12-22 16:02:42,700 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 576 mSDsluCounter, 2605 mSDsCounter, 0 mSdLazyCounter, 3565 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 4056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 3565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:42,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [585 Valid, 2969 Invalid, 4056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [491 Valid, 3565 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 16:02:42,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2021-12-22 16:02:42,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 650. [2021-12-22 16:02:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 419 states have (on average 1.1479713603818615) internal successors, (481), 448 states have internal predecessors, (481), 131 states have call successors, (131), 78 states have call predecessors, (131), 77 states have return successors, (129), 125 states have call predecessors, (129), 129 states have call successors, (129) [2021-12-22 16:02:42,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 741 transitions. [2021-12-22 16:02:42,773 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 741 transitions. Word has length 138 [2021-12-22 16:02:42,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:42,774 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 741 transitions. [2021-12-22 16:02:42,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 27 states have (on average 3.814814814814815) internal successors, (103), 23 states have internal predecessors, (103), 10 states have call successors, (40), 3 states have call predecessors, (40), 9 states have return successors, (41), 16 states have call predecessors, (41), 10 states have call successors, (41) [2021-12-22 16:02:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 741 transitions. [2021-12-22 16:02:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-22 16:02:42,775 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:42,775 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:02:42,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-22 16:02:42,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-22 16:02:42,984 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:42,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:42,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1252398581, now seen corresponding path program 1 times [2021-12-22 16:02:42,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:42,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520321971] [2021-12-22 16:02:42,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:42,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:02:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:02:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 16:02:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 16:02:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 16:02:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 16:02:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:02:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-12-22 16:02:43,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:43,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520321971] [2021-12-22 16:02:43,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520321971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:43,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:43,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 16:02:43,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692676825] [2021-12-22 16:02:43,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:43,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 16:02:43,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:43,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 16:02:43,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 16:02:43,180 INFO L87 Difference]: Start difference. First operand 650 states and 741 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-22 16:02:43,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:43,827 INFO L93 Difference]: Finished difference Result 1062 states and 1200 transitions. [2021-12-22 16:02:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:43,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (22), 3 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 149 [2021-12-22 16:02:43,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:43,833 INFO L225 Difference]: With dead ends: 1062 [2021-12-22 16:02:43,834 INFO L226 Difference]: Without dead ends: 1060 [2021-12-22 16:02:43,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-22 16:02:43,835 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 569 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:43,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 921 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 16:02:43,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2021-12-22 16:02:43,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 748. [2021-12-22 16:02:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 484 states have (on average 1.1363636363636365) internal successors, (550), 514 states have internal predecessors, (550), 149 states have call successors, (149), 92 states have call predecessors, (149), 93 states have return successors, (151), 143 states have call predecessors, (151), 147 states have call successors, (151) [2021-12-22 16:02:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 850 transitions. [2021-12-22 16:02:43,906 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 850 transitions. Word has length 149 [2021-12-22 16:02:43,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:43,907 INFO L470 AbstractCegarLoop]: Abstraction has 748 states and 850 transitions. [2021-12-22 16:02:43,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-22 16:02:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 850 transitions. [2021-12-22 16:02:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-22 16:02:43,908 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:43,909 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2021-12-22 16:02:43,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 16:02:43,909 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:43,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:43,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1777528727, now seen corresponding path program 1 times [2021-12-22 16:02:43,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:43,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557641813] [2021-12-22 16:02:43,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:43,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:02:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:02:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 16:02:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-22 16:02:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 16:02:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 16:02:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 16:02:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 16:02:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 16:02:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 16:02:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-22 16:02:44,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:44,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557641813] [2021-12-22 16:02:44,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557641813] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:44,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:44,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 16:02:44,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008488170] [2021-12-22 16:02:44,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:44,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 16:02:44,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:44,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 16:02:44,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 16:02:44,186 INFO L87 Difference]: Start difference. First operand 748 states and 850 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-22 16:02:44,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:44,799 INFO L93 Difference]: Finished difference Result 748 states and 850 transitions. [2021-12-22 16:02:44,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 16:02:44,800 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (24), 5 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 146 [2021-12-22 16:02:44,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:44,804 INFO L225 Difference]: With dead ends: 748 [2021-12-22 16:02:44,804 INFO L226 Difference]: Without dead ends: 746 [2021-12-22 16:02:44,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-22 16:02:44,805 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 803 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:44,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [849 Valid, 776 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 16:02:44,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2021-12-22 16:02:44,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 746. [2021-12-22 16:02:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 483 states have (on average 1.1325051759834368) internal successors, (547), 512 states have internal predecessors, (547), 149 states have call successors, (149), 92 states have call predecessors, (149), 93 states have return successors, (151), 143 states have call predecessors, (151), 147 states have call successors, (151) [2021-12-22 16:02:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 847 transitions. [2021-12-22 16:02:44,893 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 847 transitions. Word has length 146 [2021-12-22 16:02:44,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:44,893 INFO L470 AbstractCegarLoop]: Abstraction has 746 states and 847 transitions. [2021-12-22 16:02:44,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-22 16:02:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 847 transitions. [2021-12-22 16:02:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-22 16:02:44,895 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:44,895 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:02:44,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 16:02:44,896 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:44,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:44,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1550649940, now seen corresponding path program 1 times [2021-12-22 16:02:44,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:44,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961371998] [2021-12-22 16:02:44,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:44,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:02:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:02:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 16:02:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 16:02:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 16:02:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 16:02:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 16:02:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 16:02:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-12-22 16:02:45,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:45,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961371998] [2021-12-22 16:02:45,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961371998] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:45,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:45,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 16:02:45,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161613079] [2021-12-22 16:02:45,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:45,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 16:02:45,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:45,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 16:02:45,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-22 16:02:45,153 INFO L87 Difference]: Start difference. First operand 746 states and 847 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-22 16:02:45,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:45,760 INFO L93 Difference]: Finished difference Result 756 states and 861 transitions. [2021-12-22 16:02:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 16:02:45,760 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 154 [2021-12-22 16:02:45,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:45,763 INFO L225 Difference]: With dead ends: 756 [2021-12-22 16:02:45,763 INFO L226 Difference]: Without dead ends: 754 [2021-12-22 16:02:45,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-12-22 16:02:45,764 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 636 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:45,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [693 Valid, 1105 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 16:02:45,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2021-12-22 16:02:45,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 744. [2021-12-22 16:02:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 482 states have (on average 1.1224066390041494) internal successors, (541), 510 states have internal predecessors, (541), 149 states have call successors, (149), 92 states have call predecessors, (149), 93 states have return successors, (151), 143 states have call predecessors, (151), 147 states have call successors, (151) [2021-12-22 16:02:45,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 841 transitions. [2021-12-22 16:02:45,831 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 841 transitions. Word has length 154 [2021-12-22 16:02:45,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:45,832 INFO L470 AbstractCegarLoop]: Abstraction has 744 states and 841 transitions. [2021-12-22 16:02:45,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-22 16:02:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 841 transitions. [2021-12-22 16:02:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-22 16:02:45,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:45,834 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2021-12-22 16:02:45,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 16:02:45,834 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:45,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:45,834 INFO L85 PathProgramCache]: Analyzing trace with hash -608956573, now seen corresponding path program 1 times [2021-12-22 16:02:45,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:45,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544550162] [2021-12-22 16:02:45,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:45,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:02:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:02:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 16:02:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-22 16:02:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 16:02:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 16:02:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 16:02:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 16:02:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 16:02:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:02:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,418 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-12-22 16:02:46,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:46,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544550162] [2021-12-22 16:02:46,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544550162] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 16:02:46,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095234432] [2021-12-22 16:02:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:46,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 16:02:46,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:02:46,420 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) [2021-12-22 16:02:46,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-22 16:02:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 1952 conjuncts, 64 conjunts are in the unsatisfiable core [2021-12-22 16:02:46,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 16:02:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 48 proven. 18 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-12-22 16:02:47,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 16:02:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-22 16:02:48,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095234432] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 16:02:48,407 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 16:02:48,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16, 15] total 48 [2021-12-22 16:02:48,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547162381] [2021-12-22 16:02:48,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 16:02:48,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-12-22 16:02:48,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:48,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-12-22 16:02:48,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=2143, Unknown=0, NotChecked=0, Total=2256 [2021-12-22 16:02:48,409 INFO L87 Difference]: Start difference. First operand 744 states and 841 transitions. Second operand has 48 states, 43 states have (on average 3.953488372093023) internal successors, (170), 38 states have internal predecessors, (170), 18 states have call successors, (63), 6 states have call predecessors, (63), 10 states have return successors, (65), 22 states have call predecessors, (65), 18 states have call successors, (65) [2021-12-22 16:02:54,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:54,004 INFO L93 Difference]: Finished difference Result 943 states and 1062 transitions. [2021-12-22 16:02:54,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-12-22 16:02:54,005 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 43 states have (on average 3.953488372093023) internal successors, (170), 38 states have internal predecessors, (170), 18 states have call successors, (63), 6 states have call predecessors, (63), 10 states have return successors, (65), 22 states have call predecessors, (65), 18 states have call successors, (65) Word has length 150 [2021-12-22 16:02:54,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:54,007 INFO L225 Difference]: With dead ends: 943 [2021-12-22 16:02:54,007 INFO L226 Difference]: Without dead ends: 694 [2021-12-22 16:02:54,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=587, Invalid=5733, Unknown=0, NotChecked=0, Total=6320 [2021-12-22 16:02:54,009 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 1662 mSDsluCounter, 3781 mSDsCounter, 0 mSdLazyCounter, 8527 mSolverCounterSat, 1253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 9780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1253 IncrementalHoareTripleChecker+Valid, 8527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:54,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1664 Valid, 4082 Invalid, 9780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1253 Valid, 8527 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-22 16:02:54,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2021-12-22 16:02:54,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 694. [2021-12-22 16:02:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 447 states have (on average 1.1230425055928412) internal successors, (502), 477 states have internal predecessors, (502), 138 states have call successors, (138), 84 states have call predecessors, (138), 89 states have return successors, (144), 134 states have call predecessors, (144), 136 states have call successors, (144) [2021-12-22 16:02:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 784 transitions. [2021-12-22 16:02:54,116 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 784 transitions. Word has length 150 [2021-12-22 16:02:54,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:54,117 INFO L470 AbstractCegarLoop]: Abstraction has 694 states and 784 transitions. [2021-12-22 16:02:54,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 43 states have (on average 3.953488372093023) internal successors, (170), 38 states have internal predecessors, (170), 18 states have call successors, (63), 6 states have call predecessors, (63), 10 states have return successors, (65), 22 states have call predecessors, (65), 18 states have call successors, (65) [2021-12-22 16:02:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 784 transitions. [2021-12-22 16:02:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-22 16:02:54,120 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:54,120 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 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] [2021-12-22 16:02:54,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-22 16:02:54,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 16:02:54,336 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:54,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:54,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1422412358, now seen corresponding path program 1 times [2021-12-22 16:02:54,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:54,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105808041] [2021-12-22 16:02:54,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:54,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:02:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:02:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 16:02:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 16:02:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 16:02:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 16:02:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:02:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-22 16:02:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 16:02:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-22 16:02:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 16:02:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 16:02:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 16:02:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-12-22 16:02:54,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:54,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105808041] [2021-12-22 16:02:54,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105808041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:54,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:54,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-22 16:02:54,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257817809] [2021-12-22 16:02:54,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:54,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-22 16:02:54,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:54,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-22 16:02:54,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-22 16:02:54,549 INFO L87 Difference]: Start difference. First operand 694 states and 784 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-22 16:02:55,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:55,605 INFO L93 Difference]: Finished difference Result 969 states and 1095 transitions. [2021-12-22 16:02:55,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 16:02:55,605 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 195 [2021-12-22 16:02:55,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:55,609 INFO L225 Difference]: With dead ends: 969 [2021-12-22 16:02:55,609 INFO L226 Difference]: Without dead ends: 699 [2021-12-22 16:02:55,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-12-22 16:02:55,611 INFO L933 BasicCegarLoop]: 474 mSDtfsCounter, 774 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 2045 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:55,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [801 Valid, 2045 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [574 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-22 16:02:55,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-12-22 16:02:55,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 672. [2021-12-22 16:02:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 435 states have (on average 1.1218390804597702) internal successors, (488), 462 states have internal predecessors, (488), 130 states have call successors, (130), 84 states have call predecessors, (130), 87 states have return successors, (133), 127 states have call predecessors, (133), 128 states have call successors, (133) [2021-12-22 16:02:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 751 transitions. [2021-12-22 16:02:55,733 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 751 transitions. Word has length 195 [2021-12-22 16:02:55,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:55,734 INFO L470 AbstractCegarLoop]: Abstraction has 672 states and 751 transitions. [2021-12-22 16:02:55,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-22 16:02:55,734 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 751 transitions. [2021-12-22 16:02:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-22 16:02:55,735 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:55,736 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 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] [2021-12-22 16:02:55,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-22 16:02:55,736 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:55,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:55,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1500690336, now seen corresponding path program 1 times [2021-12-22 16:02:55,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:55,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268009665] [2021-12-22 16:02:55,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:55,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:02:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:02:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 16:02:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 16:02:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:02:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:02:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 16:02:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 16:02:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-22 16:02:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 16:02:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 16:02:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 16:02:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 16:02:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 16:02:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:55,996 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-12-22 16:02:55,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:55,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268009665] [2021-12-22 16:02:55,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268009665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:55,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:55,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 16:02:55,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183628316] [2021-12-22 16:02:55,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:55,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 16:02:55,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:55,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 16:02:55,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-22 16:02:55,998 INFO L87 Difference]: Start difference. First operand 672 states and 751 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-22 16:02:56,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:56,976 INFO L93 Difference]: Finished difference Result 711 states and 772 transitions. [2021-12-22 16:02:56,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-22 16:02:56,977 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 201 [2021-12-22 16:02:56,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:56,980 INFO L225 Difference]: With dead ends: 711 [2021-12-22 16:02:56,980 INFO L226 Difference]: Without dead ends: 709 [2021-12-22 16:02:56,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2021-12-22 16:02:56,981 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 1479 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:56,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1522 Valid, 1037 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-22 16:02:56,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2021-12-22 16:02:57,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 670. [2021-12-22 16:02:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 434 states have (on average 1.119815668202765) internal successors, (486), 460 states have internal predecessors, (486), 130 states have call successors, (130), 84 states have call predecessors, (130), 87 states have return successors, (133), 127 states have call predecessors, (133), 128 states have call successors, (133) [2021-12-22 16:02:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 749 transitions. [2021-12-22 16:02:57,070 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 749 transitions. Word has length 201 [2021-12-22 16:02:57,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:57,070 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 749 transitions. [2021-12-22 16:02:57,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-22 16:02:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 749 transitions. [2021-12-22 16:02:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-22 16:02:57,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:57,072 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:02:57,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-22 16:02:57,072 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:57,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:57,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1991896125, now seen corresponding path program 1 times [2021-12-22 16:02:57,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:57,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524975342] [2021-12-22 16:02:57,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:57,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:02:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:02:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 16:02:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 16:02:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 16:02:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 16:02:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 16:02:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 16:02:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-22 16:02:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 16:02:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 16:02:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-22 16:02:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 16:02:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 16:02:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 16:02:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-22 16:02:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2021-12-22 16:02:57,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:57,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524975342] [2021-12-22 16:02:57,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524975342] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:57,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:57,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 16:02:57,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290484575] [2021-12-22 16:02:57,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:57,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 16:02:57,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:57,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 16:02:57,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-22 16:02:57,316 INFO L87 Difference]: Start difference. First operand 670 states and 749 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-22 16:02:57,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:57,938 INFO L93 Difference]: Finished difference Result 670 states and 749 transitions. [2021-12-22 16:02:57,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 16:02:57,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 208 [2021-12-22 16:02:57,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:57,942 INFO L225 Difference]: With dead ends: 670 [2021-12-22 16:02:57,942 INFO L226 Difference]: Without dead ends: 668 [2021-12-22 16:02:57,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-22 16:02:57,943 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 946 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:57,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [987 Valid, 803 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-22 16:02:57,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-12-22 16:02:58,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2021-12-22 16:02:58,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 433 states have (on average 1.115473441108545) internal successors, (483), 458 states have internal predecessors, (483), 130 states have call successors, (130), 84 states have call predecessors, (130), 87 states have return successors, (133), 127 states have call predecessors, (133), 128 states have call successors, (133) [2021-12-22 16:02:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 746 transitions. [2021-12-22 16:02:58,050 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 746 transitions. Word has length 208 [2021-12-22 16:02:58,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:58,051 INFO L470 AbstractCegarLoop]: Abstraction has 668 states and 746 transitions. [2021-12-22 16:02:58,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-22 16:02:58,051 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 746 transitions. [2021-12-22 16:02:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-22 16:02:58,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:58,053 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 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] [2021-12-22 16:02:58,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-22 16:02:58,053 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:58,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:58,054 INFO L85 PathProgramCache]: Analyzing trace with hash 755592090, now seen corresponding path program 1 times [2021-12-22 16:02:58,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:58,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013416707] [2021-12-22 16:02:58,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:58,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:02:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:02:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 16:02:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 16:02:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:02:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:02:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 16:02:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 16:02:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-22 16:02:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 16:02:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-22 16:02:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 16:02:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 16:02:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 16:02:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-12-22 16:02:58,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:58,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013416707] [2021-12-22 16:02:58,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013416707] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:58,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:58,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-22 16:02:58,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874282070] [2021-12-22 16:02:58,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:58,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-22 16:02:58,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:58,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-22 16:02:58,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:02:58,329 INFO L87 Difference]: Start difference. First operand 668 states and 746 transitions. Second operand has 10 states, 10 states have (on average 9.4) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-22 16:02:59,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:59,216 INFO L93 Difference]: Finished difference Result 668 states and 746 transitions. [2021-12-22 16:02:59,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 16:02:59,217 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 204 [2021-12-22 16:02:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:59,221 INFO L225 Difference]: With dead ends: 668 [2021-12-22 16:02:59,221 INFO L226 Difference]: Without dead ends: 666 [2021-12-22 16:02:59,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2021-12-22 16:02:59,222 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 938 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:59,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [969 Valid, 1078 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 16:02:59,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2021-12-22 16:02:59,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2021-12-22 16:02:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 432 states have (on average 1.1134259259259258) internal successors, (481), 456 states have internal predecessors, (481), 130 states have call successors, (130), 84 states have call predecessors, (130), 87 states have return successors, (133), 127 states have call predecessors, (133), 128 states have call successors, (133) [2021-12-22 16:02:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 744 transitions. [2021-12-22 16:02:59,357 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 744 transitions. Word has length 204 [2021-12-22 16:02:59,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:59,358 INFO L470 AbstractCegarLoop]: Abstraction has 666 states and 744 transitions. [2021-12-22 16:02:59,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-22 16:02:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 744 transitions. [2021-12-22 16:02:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-22 16:02:59,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:59,360 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:02:59,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-22 16:02:59,360 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-12-22 16:02:59,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash -600142417, now seen corresponding path program 1 times [2021-12-22 16:02:59,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:59,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901535861] [2021-12-22 16:02:59,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:59,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:02:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 16:02:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 16:02:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:02:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-22 16:02:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:02:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:02:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 16:02:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 16:02:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 16:02:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 16:02:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 16:03:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 16:03:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-22 16:03:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 16:03:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 16:03:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-22 16:03:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 16:03:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 16:03:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 16:03:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-22 16:03:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-22 16:03:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-12-22 16:03:00,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:00,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901535861] [2021-12-22 16:03:00,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901535861] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 16:03:00,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180892239] [2021-12-22 16:03:00,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:00,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 16:03:00,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:03:00,148 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) [2021-12-22 16:03:00,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-22 16:03:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:00,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 64 conjunts are in the unsatisfiable core [2021-12-22 16:03:00,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 16:03:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-22 16:03:01,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 16:03:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-12-22 16:03:01,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180892239] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-22 16:03:01,837 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-22 16:03:01,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 15] total 33 [2021-12-22 16:03:01,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346018083] [2021-12-22 16:03:01,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-22 16:03:01,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-12-22 16:03:01,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:01,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-12-22 16:03:01,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=979, Unknown=0, NotChecked=0, Total=1056 [2021-12-22 16:03:01,840 INFO L87 Difference]: Start difference. First operand 666 states and 744 transitions. Second operand has 33 states, 30 states have (on average 6.3) internal successors, (189), 27 states have internal predecessors, (189), 13 states have call successors, (71), 7 states have call predecessors, (71), 8 states have return successors, (68), 14 states have call predecessors, (68), 13 states have call successors, (68)