./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--usb--misc--yurex.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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--usb--misc--yurex.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 1df63cbd0336246e03c8a08fdd7cd62b20ae4ea405c1b7aaed1bb78f9f0fa189 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:12:25,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:12:25,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:12:25,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:12:25,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:12:25,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:12:25,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:12:25,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:12:25,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:12:25,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:12:25,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:12:25,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:12:25,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:12:25,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:12:25,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:12:25,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:12:25,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:12:25,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:12:25,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:12:25,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:12:25,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:12:25,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:12:25,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:12:25,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:12:25,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:12:25,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:12:25,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:12:25,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:12:25,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:12:25,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:12:25,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:12:25,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:12:25,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:12:25,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:12:25,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:12:25,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:12:25,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:12:25,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:12:25,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:12:25,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:12:25,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:12:25,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:12:25,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:12:25,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:12:25,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:12:25,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:12:25,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:12:25,806 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:12:25,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:12:25,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:12:25,808 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:12:25,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:12:25,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:12:25,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:12:25,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:12:25,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:12:25,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:12:25,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:12:25,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:12:25,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:12:25,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:12:25,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:12:25,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:12:25,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:12:25,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:12:25,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:12:25,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:12:25,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:12:25,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:12:25,811 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:12:25,811 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:12:25,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:12:25,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:12:25,812 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df63cbd0336246e03c8a08fdd7cd62b20ae4ea405c1b7aaed1bb78f9f0fa189 [2021-12-14 19:12:26,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:12:26,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:12:26,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:12:26,040 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:12:26,041 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:12:26,042 INFO L432 ainManager$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--usb--misc--yurex.ko.cil.i [2021-12-14 19:12:26,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace5b6baa/f96b5d3eafd54d4c821277c07d7129a0/FLAG011e1852b [2021-12-14 19:12:26,690 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:12:26,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i [2021-12-14 19:12:26,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace5b6baa/f96b5d3eafd54d4c821277c07d7129a0/FLAG011e1852b [2021-12-14 19:12:26,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ace5b6baa/f96b5d3eafd54d4c821277c07d7129a0 [2021-12-14 19:12:26,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:12:26,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:12:26,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:12:26,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:12:26,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:12:26,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:26" (1/1) ... [2021-12-14 19:12:26,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d590ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:26, skipping insertion in model container [2021-12-14 19:12:26,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:26" (1/1) ... [2021-12-14 19:12:26,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:12:26,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:12:28,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259112,259125] [2021-12-14 19:12:28,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259257,259270] [2021-12-14 19:12:28,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259403,259416] [2021-12-14 19:12:28,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259568,259581] [2021-12-14 19:12:28,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259726,259739] [2021-12-14 19:12:28,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259884,259897] [2021-12-14 19:12:28,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260042,260055] [2021-12-14 19:12:28,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260202,260215] [2021-12-14 19:12:28,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260361,260374] [2021-12-14 19:12:28,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260500,260513] [2021-12-14 19:12:28,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260642,260655] [2021-12-14 19:12:28,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260791,260804] [2021-12-14 19:12:28,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260930,260943] [2021-12-14 19:12:28,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261085,261098] [2021-12-14 19:12:28,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261245,261258] [2021-12-14 19:12:28,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261396,261409] [2021-12-14 19:12:28,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261547,261560] [2021-12-14 19:12:28,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261699,261712] [2021-12-14 19:12:28,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261848,261861] [2021-12-14 19:12:28,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261996,262009] [2021-12-14 19:12:28,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262153,262166] [2021-12-14 19:12:28,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262302,262315] [2021-12-14 19:12:28,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262458,262471] [2021-12-14 19:12:28,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262611,262624] [2021-12-14 19:12:28,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262757,262770] [2021-12-14 19:12:28,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262900,262913] [2021-12-14 19:12:28,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263052,263065] [2021-12-14 19:12:28,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263198,263211] [2021-12-14 19:12:28,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263343,263356] [2021-12-14 19:12:28,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263497,263510] [2021-12-14 19:12:28,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263648,263661] [2021-12-14 19:12:28,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263803,263816] [2021-12-14 19:12:28,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263955,263968] [2021-12-14 19:12:28,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264110,264123] [2021-12-14 19:12:28,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264274,264287] [2021-12-14 19:12:28,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264430,264443] [2021-12-14 19:12:28,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264594,264607] [2021-12-14 19:12:28,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264736,264749] [2021-12-14 19:12:28,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264894,264907] [2021-12-14 19:12:28,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265061,265074] [2021-12-14 19:12:28,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265220,265233] [2021-12-14 19:12:28,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265379,265392] [2021-12-14 19:12:28,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265528,265541] [2021-12-14 19:12:28,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265675,265688] [2021-12-14 19:12:28,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265814,265827] [2021-12-14 19:12:28,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265977,265990] [2021-12-14 19:12:28,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266143,266156] [2021-12-14 19:12:28,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266307,266320] [2021-12-14 19:12:28,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266472,266485] [2021-12-14 19:12:28,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266637,266650] [2021-12-14 19:12:28,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266803,266816] [2021-12-14 19:12:28,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266968,266981] [2021-12-14 19:12:28,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267135,267148] [2021-12-14 19:12:28,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267295,267308] [2021-12-14 19:12:28,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267457,267470] [2021-12-14 19:12:28,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267616,267629] [2021-12-14 19:12:28,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267762,267775] [2021-12-14 19:12:28,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267905,267918] [2021-12-14 19:12:28,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268049,268062] [2021-12-14 19:12:28,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268192,268205] [2021-12-14 19:12:28,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268336,268349] [2021-12-14 19:12:28,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268477,268490] [2021-12-14 19:12:28,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268615,268628] [2021-12-14 19:12:28,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268773,268786] [2021-12-14 19:12:28,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268932,268945] [2021-12-14 19:12:28,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269088,269101] [2021-12-14 19:12:28,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269237,269250] [2021-12-14 19:12:28,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269389,269402] [2021-12-14 19:12:28,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269540,269553] [2021-12-14 19:12:28,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269689,269702] [2021-12-14 19:12:28,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269841,269854] [2021-12-14 19:12:28,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269989,270002] [2021-12-14 19:12:28,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270142,270155] [2021-12-14 19:12:28,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270293,270306] [2021-12-14 19:12:28,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270443,270456] [2021-12-14 19:12:28,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270590,270603] [2021-12-14 19:12:28,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270741,270754] [2021-12-14 19:12:28,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270892,270905] [2021-12-14 19:12:28,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271040,271053] [2021-12-14 19:12:28,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271206,271219] [2021-12-14 19:12:28,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271375,271388] [2021-12-14 19:12:28,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271542,271555] [2021-12-14 19:12:28,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271710,271723] [2021-12-14 19:12:28,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271860,271873] [2021-12-14 19:12:28,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[272007,272020] [2021-12-14 19:12:28,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[272168,272181] [2021-12-14 19:12:28,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[272338,272351] [2021-12-14 19:12:28,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[272500,272513] [2021-12-14 19:12:28,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:12:28,838 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:12:29,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259112,259125] [2021-12-14 19:12:29,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259257,259270] [2021-12-14 19:12:29,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259403,259416] [2021-12-14 19:12:29,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259568,259581] [2021-12-14 19:12:29,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259726,259739] [2021-12-14 19:12:29,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[259884,259897] [2021-12-14 19:12:29,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260042,260055] [2021-12-14 19:12:29,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260202,260215] [2021-12-14 19:12:29,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260361,260374] [2021-12-14 19:12:29,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260500,260513] [2021-12-14 19:12:29,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260642,260655] [2021-12-14 19:12:29,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260791,260804] [2021-12-14 19:12:29,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[260930,260943] [2021-12-14 19:12:29,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261085,261098] [2021-12-14 19:12:29,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261245,261258] [2021-12-14 19:12:29,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261396,261409] [2021-12-14 19:12:29,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261547,261560] [2021-12-14 19:12:29,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261699,261712] [2021-12-14 19:12:29,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261848,261861] [2021-12-14 19:12:29,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[261996,262009] [2021-12-14 19:12:29,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262153,262166] [2021-12-14 19:12:29,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262302,262315] [2021-12-14 19:12:29,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262458,262471] [2021-12-14 19:12:29,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262611,262624] [2021-12-14 19:12:29,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262757,262770] [2021-12-14 19:12:29,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[262900,262913] [2021-12-14 19:12:29,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263052,263065] [2021-12-14 19:12:29,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263198,263211] [2021-12-14 19:12:29,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263343,263356] [2021-12-14 19:12:29,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263497,263510] [2021-12-14 19:12:29,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263648,263661] [2021-12-14 19:12:29,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263803,263816] [2021-12-14 19:12:29,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[263955,263968] [2021-12-14 19:12:29,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264110,264123] [2021-12-14 19:12:29,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264274,264287] [2021-12-14 19:12:29,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264430,264443] [2021-12-14 19:12:29,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264594,264607] [2021-12-14 19:12:29,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264736,264749] [2021-12-14 19:12:29,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[264894,264907] [2021-12-14 19:12:29,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265061,265074] [2021-12-14 19:12:29,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265220,265233] [2021-12-14 19:12:29,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265379,265392] [2021-12-14 19:12:29,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265528,265541] [2021-12-14 19:12:29,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265675,265688] [2021-12-14 19:12:29,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265814,265827] [2021-12-14 19:12:29,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[265977,265990] [2021-12-14 19:12:29,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266143,266156] [2021-12-14 19:12:29,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266307,266320] [2021-12-14 19:12:29,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266472,266485] [2021-12-14 19:12:29,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266637,266650] [2021-12-14 19:12:29,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266803,266816] [2021-12-14 19:12:29,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[266968,266981] [2021-12-14 19:12:29,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267135,267148] [2021-12-14 19:12:29,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267295,267308] [2021-12-14 19:12:29,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267457,267470] [2021-12-14 19:12:29,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267616,267629] [2021-12-14 19:12:29,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267762,267775] [2021-12-14 19:12:29,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[267905,267918] [2021-12-14 19:12:29,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268049,268062] [2021-12-14 19:12:29,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268192,268205] [2021-12-14 19:12:29,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268336,268349] [2021-12-14 19:12:29,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268477,268490] [2021-12-14 19:12:29,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268615,268628] [2021-12-14 19:12:29,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268773,268786] [2021-12-14 19:12:29,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[268932,268945] [2021-12-14 19:12:29,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269088,269101] [2021-12-14 19:12:29,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269237,269250] [2021-12-14 19:12:29,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269389,269402] [2021-12-14 19:12:29,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269540,269553] [2021-12-14 19:12:29,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269689,269702] [2021-12-14 19:12:29,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269841,269854] [2021-12-14 19:12:29,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[269989,270002] [2021-12-14 19:12:29,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270142,270155] [2021-12-14 19:12:29,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270293,270306] [2021-12-14 19:12:29,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270443,270456] [2021-12-14 19:12:29,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270590,270603] [2021-12-14 19:12:29,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270741,270754] [2021-12-14 19:12:29,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[270892,270905] [2021-12-14 19:12:29,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271040,271053] [2021-12-14 19:12:29,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271206,271219] [2021-12-14 19:12:29,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271375,271388] [2021-12-14 19:12:29,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271542,271555] [2021-12-14 19:12:29,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271710,271723] [2021-12-14 19:12:29,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[271860,271873] [2021-12-14 19:12:29,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[272007,272020] [2021-12-14 19:12:29,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[272168,272181] [2021-12-14 19:12:29,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[272338,272351] [2021-12-14 19:12:29,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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--usb--misc--yurex.ko.cil.i[272500,272513] [2021-12-14 19:12:29,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:12:29,225 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:12:29,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29 WrapperNode [2021-12-14 19:12:29,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:12:29,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:12:29,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:12:29,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:12:29,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,400 INFO L137 Inliner]: procedures = 508, calls = 1237, calls flagged for inlining = 228, calls inlined = 154, statements flattened = 2697 [2021-12-14 19:12:29,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:12:29,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:12:29,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:12:29,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:12:29,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:12:29,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:12:29,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:12:29,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:12:29,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (1/1) ... [2021-12-14 19:12:29,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:12:29,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:12:29,574 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) [2021-12-14 19:12:29,582 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 [2021-12-14 19:12:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-14 19:12:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-14 19:12:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:12:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:12:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:12:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:12:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-14 19:12:29,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-14 19:12:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-14 19:12:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-14 19:12:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_usb_yurex [2021-12-14 19:12:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_usb_yurex [2021-12-14 19:12:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 19:12:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 19:12:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-14 19:12:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-14 19:12:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-14 19:12:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-14 19:12:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:12:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:12:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:12:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:12:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-14 19:12:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-14 19:12:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:12:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-14 19:12:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-14 19:12:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-14 19:12:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-14 19:12:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:12:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-14 19:12:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-14 19:12:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:12:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:12:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-14 19:12:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-14 19:12:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:12:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-14 19:12:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-14 19:12:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-14 19:12:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-14 19:12:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-14 19:12:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-14 19:12:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-14 19:12:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-14 19:12:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 19:12:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 19:12:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-14 19:12:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-14 19:12:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-14 19:12:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-14 19:12:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-14 19:12:29,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-14 19:12:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:12:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:12:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:12:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:12:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:12:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 19:12:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:12:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:12:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-14 19:12:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-14 19:12:29,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:12:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:12:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-14 19:12:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-14 19:12:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_io_mutex_of_usb_yurex [2021-12-14 19:12:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_io_mutex_of_usb_yurex [2021-12-14 19:12:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:12:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:12:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-14 19:12:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-14 19:12:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:12:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:12:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-14 19:12:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-14 19:12:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-14 19:12:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-14 19:12:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:12:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:12:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 19:12:29,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 19:12:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 19:12:29,624 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 19:12:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-14 19:12:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-14 19:12:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-14 19:12:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-14 19:12:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-14 19:12:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-14 19:12:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:12:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-14 19:12:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-14 19:12:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:12:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-14 19:12:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-14 19:12:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2021-12-14 19:12:29,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2021-12-14 19:12:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:12:29,667 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 19:12:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 19:12:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-14 19:12:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-14 19:12:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-14 19:12:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-14 19:12:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:12:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:12:29,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 19:12:29,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 19:12:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-14 19:12:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-14 19:12:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-14 19:12:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-14 19:12:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-14 19:12:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-14 19:12:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 19:12:29,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 19:12:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-14 19:12:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-14 19:12:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-14 19:12:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-14 19:12:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 19:12:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 19:12:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-14 19:12:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-14 19:12:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_io_mutex_of_usb_yurex [2021-12-14 19:12:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_io_mutex_of_usb_yurex [2021-12-14 19:12:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:12:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:12:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 19:12:29,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 19:12:29,671 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2021-12-14 19:12:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2021-12-14 19:12:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:12:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-14 19:12:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-14 19:12:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:12:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:12:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-14 19:12:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-14 19:12:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 19:12:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 19:12:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:12:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:12:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-14 19:12:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-14 19:12:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:12:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure yurex_disconnect [2021-12-14 19:12:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure yurex_disconnect [2021-12-14 19:12:30,143 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:12:30,147 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:12:30,454 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:12:32,196 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:12:32,211 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:12:32,211 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 19:12:32,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:32 BoogieIcfgContainer [2021-12-14 19:12:32,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:12:32,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:12:32,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:12:32,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:12:32,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:12:26" (1/3) ... [2021-12-14 19:12:32,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a668736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:12:32, skipping insertion in model container [2021-12-14 19:12:32,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:29" (2/3) ... [2021-12-14 19:12:32,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a668736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:12:32, skipping insertion in model container [2021-12-14 19:12:32,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:32" (3/3) ... [2021-12-14 19:12:32,220 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i [2021-12-14 19:12:32,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:12:32,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2021-12-14 19:12:32,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:12:32,264 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 [2021-12-14 19:12:32,265 INFO L340 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2021-12-14 19:12:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 976 states, 651 states have (on average 1.294930875576037) internal successors, (843), 702 states have internal predecessors, (843), 224 states have call successors, (224), 68 states have call predecessors, (224), 67 states have return successors, (219), 216 states have call predecessors, (219), 219 states have call successors, (219) [2021-12-14 19:12:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-14 19:12:32,308 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:32,308 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:32,313 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:32,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:32,317 INFO L85 PathProgramCache]: Analyzing trace with hash 150450018, now seen corresponding path program 1 times [2021-12-14 19:12:32,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:32,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512506710] [2021-12-14 19:12:32,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:32,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:32,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:32,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512506710] [2021-12-14 19:12:32,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512506710] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:32,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:32,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:32,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851467131] [2021-12-14 19:12:32,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:32,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:32,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:32,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:32,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:32,960 INFO L87 Difference]: Start difference. First operand has 976 states, 651 states have (on average 1.294930875576037) internal successors, (843), 702 states have internal predecessors, (843), 224 states have call successors, (224), 68 states have call predecessors, (224), 67 states have return successors, (219), 216 states have call predecessors, (219), 219 states have call successors, (219) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-14 19:12:34,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:34,788 INFO L93 Difference]: Finished difference Result 1903 states and 2593 transitions. [2021-12-14 19:12:34,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:34,790 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2021-12-14 19:12:34,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:34,809 INFO L225 Difference]: With dead ends: 1903 [2021-12-14 19:12:34,809 INFO L226 Difference]: Without dead ends: 957 [2021-12-14 19:12:34,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:34,820 INFO L933 BasicCegarLoop]: 1185 mSDtfsCounter, 1754 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:34,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1908 Valid, 2756 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [670 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-14 19:12:34,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2021-12-14 19:12:34,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 957. [2021-12-14 19:12:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 640 states have (on average 1.2328125) internal successors, (789), 686 states have internal predecessors, (789), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1225 transitions. [2021-12-14 19:12:34,925 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1225 transitions. Word has length 71 [2021-12-14 19:12:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:34,927 INFO L470 AbstractCegarLoop]: Abstraction has 957 states and 1225 transitions. [2021-12-14 19:12:34,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-14 19:12:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1225 transitions. [2021-12-14 19:12:34,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-14 19:12:34,935 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:34,935 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:34,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:12:34,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:34,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:34,936 INFO L85 PathProgramCache]: Analyzing trace with hash 395296491, now seen corresponding path program 1 times [2021-12-14 19:12:34,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:34,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068861825] [2021-12-14 19:12:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:34,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:35,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:35,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068861825] [2021-12-14 19:12:35,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068861825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:35,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:35,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:35,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751293219] [2021-12-14 19:12:35,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:35,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:35,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:35,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:35,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:35,146 INFO L87 Difference]: Start difference. First operand 957 states and 1225 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-14 19:12:36,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:36,576 INFO L93 Difference]: Finished difference Result 957 states and 1225 transitions. [2021-12-14 19:12:36,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:36,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2021-12-14 19:12:36,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:36,584 INFO L225 Difference]: With dead ends: 957 [2021-12-14 19:12:36,586 INFO L226 Difference]: Without dead ends: 955 [2021-12-14 19:12:36,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:36,600 INFO L933 BasicCegarLoop]: 1165 mSDtfsCounter, 1720 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 2714 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:36,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1871 Valid, 2714 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-14 19:12:36,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2021-12-14 19:12:36,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 955. [2021-12-14 19:12:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 639 states have (on average 1.2316118935837246) internal successors, (787), 684 states have internal predecessors, (787), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1223 transitions. [2021-12-14 19:12:36,666 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1223 transitions. Word has length 77 [2021-12-14 19:12:36,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:36,674 INFO L470 AbstractCegarLoop]: Abstraction has 955 states and 1223 transitions. [2021-12-14 19:12:36,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-14 19:12:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1223 transitions. [2021-12-14 19:12:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-14 19:12:36,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:36,676 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:36,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 19:12:36,676 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:36,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:36,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1728180818, now seen corresponding path program 1 times [2021-12-14 19:12:36,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:36,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948476038] [2021-12-14 19:12:36,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:36,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:36,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:36,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948476038] [2021-12-14 19:12:36,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948476038] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:36,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:36,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:36,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617611632] [2021-12-14 19:12:36,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:36,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:36,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:36,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:36,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:36,839 INFO L87 Difference]: Start difference. First operand 955 states and 1223 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 19:12:38,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:38,640 INFO L93 Difference]: Finished difference Result 955 states and 1223 transitions. [2021-12-14 19:12:38,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:38,641 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2021-12-14 19:12:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:38,646 INFO L225 Difference]: With dead ends: 955 [2021-12-14 19:12:38,647 INFO L226 Difference]: Without dead ends: 953 [2021-12-14 19:12:38,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:38,649 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 1714 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1864 SdHoareTripleChecker+Valid, 2712 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:38,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1864 Valid, 2712 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-14 19:12:38,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2021-12-14 19:12:38,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2021-12-14 19:12:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 638 states have (on average 1.2304075235109717) internal successors, (785), 682 states have internal predecessors, (785), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:38,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1221 transitions. [2021-12-14 19:12:38,682 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1221 transitions. Word has length 83 [2021-12-14 19:12:38,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:38,687 INFO L470 AbstractCegarLoop]: Abstraction has 953 states and 1221 transitions. [2021-12-14 19:12:38,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 19:12:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1221 transitions. [2021-12-14 19:12:38,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-14 19:12:38,688 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:38,689 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:38,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 19:12:38,689 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:38,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:38,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2012755007, now seen corresponding path program 1 times [2021-12-14 19:12:38,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:38,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545592301] [2021-12-14 19:12:38,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:38,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:12:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:38,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:38,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545592301] [2021-12-14 19:12:38,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545592301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:38,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:38,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:38,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456324723] [2021-12-14 19:12:38,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:38,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:38,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:38,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:38,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:38,914 INFO L87 Difference]: Start difference. First operand 953 states and 1221 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 19:12:40,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:40,559 INFO L93 Difference]: Finished difference Result 953 states and 1221 transitions. [2021-12-14 19:12:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:40,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2021-12-14 19:12:40,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:40,564 INFO L225 Difference]: With dead ends: 953 [2021-12-14 19:12:40,565 INFO L226 Difference]: Without dead ends: 951 [2021-12-14 19:12:40,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:40,566 INFO L933 BasicCegarLoop]: 1161 mSDtfsCounter, 1708 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:40,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1857 Valid, 2710 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 19:12:40,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2021-12-14 19:12:40,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 951. [2021-12-14 19:12:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 637 states have (on average 1.2291993720565149) internal successors, (783), 680 states have internal predecessors, (783), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1219 transitions. [2021-12-14 19:12:40,594 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1219 transitions. Word has length 89 [2021-12-14 19:12:40,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:40,594 INFO L470 AbstractCegarLoop]: Abstraction has 951 states and 1219 transitions. [2021-12-14 19:12:40,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 19:12:40,595 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1219 transitions. [2021-12-14 19:12:40,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-14 19:12:40,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:40,596 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:40,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 19:12:40,596 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:40,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:40,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1710267306, now seen corresponding path program 1 times [2021-12-14 19:12:40,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:40,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795649662] [2021-12-14 19:12:40,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:40,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:12:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:12:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:40,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:40,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795649662] [2021-12-14 19:12:40,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795649662] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:40,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:40,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:40,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063174264] [2021-12-14 19:12:40,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:40,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:40,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:40,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:40,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:40,779 INFO L87 Difference]: Start difference. First operand 951 states and 1219 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-14 19:12:42,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:42,277 INFO L93 Difference]: Finished difference Result 951 states and 1219 transitions. [2021-12-14 19:12:42,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:42,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2021-12-14 19:12:42,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:42,281 INFO L225 Difference]: With dead ends: 951 [2021-12-14 19:12:42,282 INFO L226 Difference]: Without dead ends: 949 [2021-12-14 19:12:42,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:42,282 INFO L933 BasicCegarLoop]: 1159 mSDtfsCounter, 1702 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:42,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1850 Valid, 2708 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:12:42,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2021-12-14 19:12:42,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 949. [2021-12-14 19:12:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 636 states have (on average 1.2279874213836477) internal successors, (781), 678 states have internal predecessors, (781), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:42,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1217 transitions. [2021-12-14 19:12:42,309 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1217 transitions. Word has length 95 [2021-12-14 19:12:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:42,310 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1217 transitions. [2021-12-14 19:12:42,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-14 19:12:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1217 transitions. [2021-12-14 19:12:42,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-14 19:12:42,311 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:42,311 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:42,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 19:12:42,311 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:42,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:42,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1309820457, now seen corresponding path program 1 times [2021-12-14 19:12:42,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:42,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103848928] [2021-12-14 19:12:42,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:42,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:12:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:12:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:12:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:42,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:42,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103848928] [2021-12-14 19:12:42,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103848928] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:42,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:42,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:42,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921288028] [2021-12-14 19:12:42,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:42,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:42,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:42,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:42,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:42,460 INFO L87 Difference]: Start difference. First operand 949 states and 1217 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 19:12:43,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:43,991 INFO L93 Difference]: Finished difference Result 949 states and 1217 transitions. [2021-12-14 19:12:43,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:43,992 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2021-12-14 19:12:43,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:43,995 INFO L225 Difference]: With dead ends: 949 [2021-12-14 19:12:43,996 INFO L226 Difference]: Without dead ends: 947 [2021-12-14 19:12:43,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:43,997 INFO L933 BasicCegarLoop]: 1157 mSDtfsCounter, 1696 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 2706 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:43,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1843 Valid, 2706 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:12:43,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2021-12-14 19:12:44,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 947. [2021-12-14 19:12:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 635 states have (on average 1.226771653543307) internal successors, (779), 676 states have internal predecessors, (779), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:44,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1215 transitions. [2021-12-14 19:12:44,023 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1215 transitions. Word has length 101 [2021-12-14 19:12:44,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:44,024 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1215 transitions. [2021-12-14 19:12:44,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 19:12:44,024 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1215 transitions. [2021-12-14 19:12:44,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-14 19:12:44,025 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:44,025 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:44,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 19:12:44,025 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:44,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:44,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1917796044, now seen corresponding path program 1 times [2021-12-14 19:12:44,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:44,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626865669] [2021-12-14 19:12:44,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:44,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:12:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:12:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:12:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:12:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:44,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:44,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626865669] [2021-12-14 19:12:44,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626865669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:44,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:44,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:44,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347047785] [2021-12-14 19:12:44,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:44,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:44,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:44,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:44,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:44,196 INFO L87 Difference]: Start difference. First operand 947 states and 1215 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 19:12:45,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:45,714 INFO L93 Difference]: Finished difference Result 947 states and 1215 transitions. [2021-12-14 19:12:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:45,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2021-12-14 19:12:45,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:45,719 INFO L225 Difference]: With dead ends: 947 [2021-12-14 19:12:45,719 INFO L226 Difference]: Without dead ends: 945 [2021-12-14 19:12:45,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:45,721 INFO L933 BasicCegarLoop]: 1155 mSDtfsCounter, 1690 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:45,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1836 Valid, 2704 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:12:45,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2021-12-14 19:12:45,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 945. [2021-12-14 19:12:45,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 634 states have (on average 1.225552050473186) internal successors, (777), 674 states have internal predecessors, (777), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1213 transitions. [2021-12-14 19:12:45,753 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1213 transitions. Word has length 107 [2021-12-14 19:12:45,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:45,754 INFO L470 AbstractCegarLoop]: Abstraction has 945 states and 1213 transitions. [2021-12-14 19:12:45,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 19:12:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1213 transitions. [2021-12-14 19:12:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-14 19:12:45,757 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:45,757 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:45,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 19:12:45,758 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:45,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:45,758 INFO L85 PathProgramCache]: Analyzing trace with hash -334687362, now seen corresponding path program 1 times [2021-12-14 19:12:45,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:45,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394718252] [2021-12-14 19:12:45,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:45,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:12:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:12:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:12:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:12:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:12:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:45,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:45,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394718252] [2021-12-14 19:12:45,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394718252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:45,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:45,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:45,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186637211] [2021-12-14 19:12:45,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:45,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:45,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:45,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:45,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:45,942 INFO L87 Difference]: Start difference. First operand 945 states and 1213 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:12:47,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:47,482 INFO L93 Difference]: Finished difference Result 945 states and 1213 transitions. [2021-12-14 19:12:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:47,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2021-12-14 19:12:47,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:47,486 INFO L225 Difference]: With dead ends: 945 [2021-12-14 19:12:47,486 INFO L226 Difference]: Without dead ends: 943 [2021-12-14 19:12:47,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:47,487 INFO L933 BasicCegarLoop]: 1153 mSDtfsCounter, 1688 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:47,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1833 Valid, 2702 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:12:47,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2021-12-14 19:12:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 943. [2021-12-14 19:12:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 633 states have (on average 1.2243285939968405) internal successors, (775), 672 states have internal predecessors, (775), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1211 transitions. [2021-12-14 19:12:47,534 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1211 transitions. Word has length 113 [2021-12-14 19:12:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:47,535 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1211 transitions. [2021-12-14 19:12:47,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:12:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1211 transitions. [2021-12-14 19:12:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-14 19:12:47,536 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:47,536 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:47,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 19:12:47,537 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:47,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:47,537 INFO L85 PathProgramCache]: Analyzing trace with hash 488135713, now seen corresponding path program 1 times [2021-12-14 19:12:47,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:47,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433399811] [2021-12-14 19:12:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:47,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:12:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:12:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:12:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:12:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:12:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:47,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:47,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433399811] [2021-12-14 19:12:47,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433399811] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:47,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:47,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:47,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140970121] [2021-12-14 19:12:47,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:47,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:47,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:47,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:47,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:47,689 INFO L87 Difference]: Start difference. First operand 943 states and 1211 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:12:49,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:49,244 INFO L93 Difference]: Finished difference Result 943 states and 1211 transitions. [2021-12-14 19:12:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:49,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 115 [2021-12-14 19:12:49,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:49,250 INFO L225 Difference]: With dead ends: 943 [2021-12-14 19:12:49,250 INFO L226 Difference]: Without dead ends: 941 [2021-12-14 19:12:49,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:49,254 INFO L933 BasicCegarLoop]: 1151 mSDtfsCounter, 1676 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 2700 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:49,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 2700 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 19:12:49,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2021-12-14 19:12:49,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 941. [2021-12-14 19:12:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 632 states have (on average 1.2231012658227849) internal successors, (773), 670 states have internal predecessors, (773), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1209 transitions. [2021-12-14 19:12:49,304 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1209 transitions. Word has length 115 [2021-12-14 19:12:49,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:49,304 INFO L470 AbstractCegarLoop]: Abstraction has 941 states and 1209 transitions. [2021-12-14 19:12:49,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:12:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1209 transitions. [2021-12-14 19:12:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-14 19:12:49,306 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:49,306 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:49,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 19:12:49,307 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:49,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:49,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1281926017, now seen corresponding path program 1 times [2021-12-14 19:12:49,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:49,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794328402] [2021-12-14 19:12:49,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:49,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:12:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:12:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:12:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:12:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:12:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:12:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:49,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:49,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794328402] [2021-12-14 19:12:49,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794328402] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:49,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:49,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:49,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089327051] [2021-12-14 19:12:49,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:49,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:49,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:49,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:49,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:49,479 INFO L87 Difference]: Start difference. First operand 941 states and 1209 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-14 19:12:51,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:51,135 INFO L93 Difference]: Finished difference Result 941 states and 1209 transitions. [2021-12-14 19:12:51,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:51,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2021-12-14 19:12:51,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:51,140 INFO L225 Difference]: With dead ends: 941 [2021-12-14 19:12:51,140 INFO L226 Difference]: Without dead ends: 939 [2021-12-14 19:12:51,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:51,142 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 1672 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 2698 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:51,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1816 Valid, 2698 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-14 19:12:51,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2021-12-14 19:12:51,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 939. [2021-12-14 19:12:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 631 states have (on average 1.2218700475435815) internal successors, (771), 668 states have internal predecessors, (771), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1207 transitions. [2021-12-14 19:12:51,175 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1207 transitions. Word has length 121 [2021-12-14 19:12:51,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:51,176 INFO L470 AbstractCegarLoop]: Abstraction has 939 states and 1207 transitions. [2021-12-14 19:12:51,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-14 19:12:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1207 transitions. [2021-12-14 19:12:51,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-14 19:12:51,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:51,178 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:51,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-14 19:12:51,178 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:51,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:51,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1200561438, now seen corresponding path program 1 times [2021-12-14 19:12:51,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:51,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31728725] [2021-12-14 19:12:51,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:51,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:12:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:12:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:12:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:12:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:12:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:12:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:12:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:51,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:51,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31728725] [2021-12-14 19:12:51,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31728725] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:51,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:51,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:51,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635574512] [2021-12-14 19:12:51,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:51,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:51,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:51,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:51,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:51,338 INFO L87 Difference]: Start difference. First operand 939 states and 1207 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-14 19:12:52,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:52,957 INFO L93 Difference]: Finished difference Result 939 states and 1207 transitions. [2021-12-14 19:12:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:52,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2021-12-14 19:12:52,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:52,966 INFO L225 Difference]: With dead ends: 939 [2021-12-14 19:12:52,967 INFO L226 Difference]: Without dead ends: 937 [2021-12-14 19:12:52,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:52,968 INFO L933 BasicCegarLoop]: 1147 mSDtfsCounter, 1666 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:52,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1809 Valid, 2696 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 19:12:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2021-12-14 19:12:52,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 937. [2021-12-14 19:12:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 630 states have (on average 1.2206349206349207) internal successors, (769), 666 states have internal predecessors, (769), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1205 transitions. [2021-12-14 19:12:53,003 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1205 transitions. Word has length 127 [2021-12-14 19:12:53,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:53,003 INFO L470 AbstractCegarLoop]: Abstraction has 937 states and 1205 transitions. [2021-12-14 19:12:53,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-14 19:12:53,004 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1205 transitions. [2021-12-14 19:12:53,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-14 19:12:53,005 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:53,005 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-14 19:12:53,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-14 19:12:53,006 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:53,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:53,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1108051758, now seen corresponding path program 1 times [2021-12-14 19:12:53,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:53,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521502901] [2021-12-14 19:12:53,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:53,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-14 19:12:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:12:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:12:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:12:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 19:12:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 19:12:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:12:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 19:12:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 19:12:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-14 19:12:53,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:53,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521502901] [2021-12-14 19:12:53,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521502901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:53,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:53,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 19:12:53,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248048615] [2021-12-14 19:12:53,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:53,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 19:12:53,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:53,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 19:12:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-14 19:12:53,351 INFO L87 Difference]: Start difference. First operand 937 states and 1205 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 19:12:56,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:56,301 INFO L93 Difference]: Finished difference Result 1858 states and 2401 transitions. [2021-12-14 19:12:56,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 19:12:56,302 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2021-12-14 19:12:56,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:56,307 INFO L225 Difference]: With dead ends: 1858 [2021-12-14 19:12:56,313 INFO L226 Difference]: Without dead ends: 961 [2021-12-14 19:12:56,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-14 19:12:56,317 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 1967 mSDsluCounter, 3123 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2122 SdHoareTripleChecker+Valid, 4265 SdHoareTripleChecker+Invalid, 3325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 944 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:56,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2122 Valid, 4265 Invalid, 3325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [944 Valid, 2381 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-14 19:12:56,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2021-12-14 19:12:56,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 937. [2021-12-14 19:12:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 630 states have (on average 1.2190476190476192) internal successors, (768), 666 states have internal predecessors, (768), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:56,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1204 transitions. [2021-12-14 19:12:56,393 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1204 transitions. Word has length 171 [2021-12-14 19:12:56,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:56,393 INFO L470 AbstractCegarLoop]: Abstraction has 937 states and 1204 transitions. [2021-12-14 19:12:56,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 19:12:56,394 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1204 transitions. [2021-12-14 19:12:56,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-14 19:12:56,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:56,395 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-14 19:12:56,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-14 19:12:56,395 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:56,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:56,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1107992176, now seen corresponding path program 1 times [2021-12-14 19:12:56,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:56,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675893906] [2021-12-14 19:12:56,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:56,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-14 19:12:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:12:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:12:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:12:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 19:12:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 19:12:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:12:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 19:12:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 19:12:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-14 19:12:56,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:56,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675893906] [2021-12-14 19:12:56,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675893906] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:56,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:56,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 19:12:56,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001355925] [2021-12-14 19:12:56,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:56,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 19:12:56,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:56,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 19:12:56,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 19:12:56,638 INFO L87 Difference]: Start difference. First operand 937 states and 1204 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-14 19:12:58,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:58,818 INFO L93 Difference]: Finished difference Result 961 states and 1238 transitions. [2021-12-14 19:12:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 19:12:58,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 171 [2021-12-14 19:12:58,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:58,822 INFO L225 Difference]: With dead ends: 961 [2021-12-14 19:12:58,822 INFO L226 Difference]: Without dead ends: 959 [2021-12-14 19:12:58,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-12-14 19:12:58,823 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 1045 mSDsluCounter, 2731 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1045 SdHoareTripleChecker+Valid, 3873 SdHoareTripleChecker+Invalid, 2379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:58,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1045 Valid, 3873 Invalid, 2379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [812 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-14 19:12:58,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2021-12-14 19:12:58,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 935. [2021-12-14 19:12:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 629 states have (on average 1.217806041335453) internal successors, (766), 664 states have internal predecessors, (766), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:12:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1202 transitions. [2021-12-14 19:12:58,858 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1202 transitions. Word has length 171 [2021-12-14 19:12:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:58,859 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 1202 transitions. [2021-12-14 19:12:58,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-14 19:12:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1202 transitions. [2021-12-14 19:12:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-14 19:12:58,860 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:58,860 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:58,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-14 19:12:58,861 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:58,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:58,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1944874354, now seen corresponding path program 1 times [2021-12-14 19:12:58,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:58,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213942477] [2021-12-14 19:12:58,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:58,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:12:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:12:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:12:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:12:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:12:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:12:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:12:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:12:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:12:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:12:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:12:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:12:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:12:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:12:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-14 19:12:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:59,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:59,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213942477] [2021-12-14 19:12:59,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213942477] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:59,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:59,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:59,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355003070] [2021-12-14 19:12:59,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:59,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:59,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:59,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:59,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:59,003 INFO L87 Difference]: Start difference. First operand 935 states and 1202 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 19:13:00,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:00,465 INFO L93 Difference]: Finished difference Result 935 states and 1202 transitions. [2021-12-14 19:13:00,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:00,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2021-12-14 19:13:00,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:00,469 INFO L225 Difference]: With dead ends: 935 [2021-12-14 19:13:00,469 INFO L226 Difference]: Without dead ends: 933 [2021-12-14 19:13:00,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:00,470 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 1651 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1793 SdHoareTripleChecker+Valid, 2691 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:00,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1793 Valid, 2691 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:13:00,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2021-12-14 19:13:00,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 933. [2021-12-14 19:13:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 628 states have (on average 1.21656050955414) internal successors, (764), 662 states have internal predecessors, (764), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:13:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1200 transitions. [2021-12-14 19:13:00,505 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1200 transitions. Word has length 133 [2021-12-14 19:13:00,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:00,505 INFO L470 AbstractCegarLoop]: Abstraction has 933 states and 1200 transitions. [2021-12-14 19:13:00,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 19:13:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1200 transitions. [2021-12-14 19:13:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-14 19:13:00,508 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:00,508 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-14 19:13:00,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-14 19:13:00,508 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:00,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:00,509 INFO L85 PathProgramCache]: Analyzing trace with hash 157610685, now seen corresponding path program 1 times [2021-12-14 19:13:00,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:00,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916478443] [2021-12-14 19:13:00,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:00,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-14 19:13:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:13:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:13:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:13:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 19:13:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 19:13:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 19:13:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 19:13:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-14 19:13:00,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:00,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916478443] [2021-12-14 19:13:00,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916478443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:00,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:00,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:00,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401319126] [2021-12-14 19:13:00,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:00,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:00,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:00,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:00,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:00,737 INFO L87 Difference]: Start difference. First operand 933 states and 1200 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:13:02,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:02,372 INFO L93 Difference]: Finished difference Result 1846 states and 2387 transitions. [2021-12-14 19:13:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:02,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 178 [2021-12-14 19:13:02,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:02,376 INFO L225 Difference]: With dead ends: 1846 [2021-12-14 19:13:02,376 INFO L226 Difference]: Without dead ends: 953 [2021-12-14 19:13:02,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:02,379 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 1928 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 2319 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 939 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:02,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2084 Valid, 2319 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [939 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 19:13:02,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2021-12-14 19:13:02,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 929. [2021-12-14 19:13:02,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 625 states have (on average 1.2144) internal successors, (759), 658 states have internal predecessors, (759), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:13:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1195 transitions. [2021-12-14 19:13:02,416 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1195 transitions. Word has length 178 [2021-12-14 19:13:02,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:02,416 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1195 transitions. [2021-12-14 19:13:02,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:13:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1195 transitions. [2021-12-14 19:13:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-14 19:13:02,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:02,418 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:02,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-14 19:13:02,418 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:02,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:02,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1224799676, now seen corresponding path program 1 times [2021-12-14 19:13:02,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:02,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903143492] [2021-12-14 19:13:02,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:02,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:13:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:13:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:13:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:13:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:13:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:13:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:13:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:13:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:13:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-14 19:13:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:13:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:13:02,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:02,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903143492] [2021-12-14 19:13:02,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903143492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:02,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:02,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:02,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166665512] [2021-12-14 19:13:02,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:02,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:02,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:02,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:02,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:02,576 INFO L87 Difference]: Start difference. First operand 929 states and 1195 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-14 19:13:04,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:04,022 INFO L93 Difference]: Finished difference Result 929 states and 1195 transitions. [2021-12-14 19:13:04,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:04,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2021-12-14 19:13:04,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:04,027 INFO L225 Difference]: With dead ends: 929 [2021-12-14 19:13:04,027 INFO L226 Difference]: Without dead ends: 927 [2021-12-14 19:13:04,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:04,028 INFO L933 BasicCegarLoop]: 1135 mSDtfsCounter, 1630 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1771 SdHoareTripleChecker+Valid, 2684 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:04,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1771 Valid, 2684 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:13:04,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2021-12-14 19:13:04,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 927. [2021-12-14 19:13:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 624 states have (on average 1.2131410256410255) internal successors, (757), 656 states have internal predecessors, (757), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:13:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1193 transitions. [2021-12-14 19:13:04,103 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1193 transitions. Word has length 139 [2021-12-14 19:13:04,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:04,104 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1193 transitions. [2021-12-14 19:13:04,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-14 19:13:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1193 transitions. [2021-12-14 19:13:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-14 19:13:04,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:04,105 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:04,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-14 19:13:04,106 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:04,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:04,107 INFO L85 PathProgramCache]: Analyzing trace with hash 249948283, now seen corresponding path program 1 times [2021-12-14 19:13:04,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:04,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840533713] [2021-12-14 19:13:04,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:04,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:13:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:13:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:13:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:13:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:13:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:13:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:13:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:13:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:13:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-14 19:13:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:13:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:13:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:13:04,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:04,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840533713] [2021-12-14 19:13:04,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840533713] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:04,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:04,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:04,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540026369] [2021-12-14 19:13:04,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:04,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:04,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:04,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:04,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:04,249 INFO L87 Difference]: Start difference. First operand 927 states and 1193 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 19:13:05,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:05,430 INFO L93 Difference]: Finished difference Result 927 states and 1193 transitions. [2021-12-14 19:13:05,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:05,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2021-12-14 19:13:05,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:05,434 INFO L225 Difference]: With dead ends: 927 [2021-12-14 19:13:05,434 INFO L226 Difference]: Without dead ends: 925 [2021-12-14 19:13:05,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:05,435 INFO L933 BasicCegarLoop]: 1133 mSDtfsCounter, 1624 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 2682 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:05,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 2682 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-14 19:13:05,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2021-12-14 19:13:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 925. [2021-12-14 19:13:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 623 states have (on average 1.2118780096308186) internal successors, (755), 654 states have internal predecessors, (755), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:13:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1191 transitions. [2021-12-14 19:13:05,470 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1191 transitions. Word has length 145 [2021-12-14 19:13:05,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:05,471 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1191 transitions. [2021-12-14 19:13:05,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 19:13:05,471 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1191 transitions. [2021-12-14 19:13:05,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-14 19:13:05,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:05,472 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:05,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-14 19:13:05,473 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:05,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:05,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1075121200, now seen corresponding path program 1 times [2021-12-14 19:13:05,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:05,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035558984] [2021-12-14 19:13:05,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:05,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:13:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:13:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:13:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:13:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:13:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:13:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:13:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:13:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:13:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-14 19:13:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:13:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:13:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:13:05,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:05,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035558984] [2021-12-14 19:13:05,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035558984] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:05,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:05,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:05,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307854071] [2021-12-14 19:13:05,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:05,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:05,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:05,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:05,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:05,624 INFO L87 Difference]: Start difference. First operand 925 states and 1191 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-14 19:13:06,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:06,988 INFO L93 Difference]: Finished difference Result 925 states and 1191 transitions. [2021-12-14 19:13:06,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:06,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2021-12-14 19:13:06,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:07,007 INFO L225 Difference]: With dead ends: 925 [2021-12-14 19:13:07,023 INFO L226 Difference]: Without dead ends: 923 [2021-12-14 19:13:07,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:07,025 INFO L933 BasicCegarLoop]: 1131 mSDtfsCounter, 1618 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 2680 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:07,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1757 Valid, 2680 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-14 19:13:07,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2021-12-14 19:13:07,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 923. [2021-12-14 19:13:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 622 states have (on average 1.2106109324758842) internal successors, (753), 652 states have internal predecessors, (753), 219 states have call successors, (219), 67 states have call predecessors, (219), 66 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2021-12-14 19:13:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1189 transitions. [2021-12-14 19:13:07,130 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1189 transitions. Word has length 151 [2021-12-14 19:13:07,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:07,131 INFO L470 AbstractCegarLoop]: Abstraction has 923 states and 1189 transitions. [2021-12-14 19:13:07,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-14 19:13:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1189 transitions. [2021-12-14 19:13:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-14 19:13:07,134 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:07,134 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:07,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-14 19:13:07,135 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:07,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:07,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1533945952, now seen corresponding path program 1 times [2021-12-14 19:13:07,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:07,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671696199] [2021-12-14 19:13:07,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:07,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 19:13:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-14 19:13:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 19:13:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 19:13:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:13:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 19:13:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 19:13:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 19:13:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 19:13:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 19:13:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-12-14 19:13:07,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:07,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671696199] [2021-12-14 19:13:07,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671696199] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:07,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:07,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 19:13:07,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398869169] [2021-12-14 19:13:07,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:07,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 19:13:07,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:07,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 19:13:07,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-14 19:13:07,427 INFO L87 Difference]: Start difference. First operand 923 states and 1189 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (26), 5 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-14 19:13:10,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:10,031 INFO L93 Difference]: Finished difference Result 1776 states and 2294 transitions. [2021-12-14 19:13:10,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 19:13:10,031 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (26), 5 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 187 [2021-12-14 19:13:10,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:10,036 INFO L225 Difference]: With dead ends: 1776 [2021-12-14 19:13:10,036 INFO L226 Difference]: Without dead ends: 1147 [2021-12-14 19:13:10,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-12-14 19:13:10,038 INFO L933 BasicCegarLoop]: 1224 mSDtfsCounter, 1353 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 2578 mSolverCounterSat, 1058 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 5771 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1058 IncrementalHoareTripleChecker+Valid, 2578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:10,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1353 Valid, 5771 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1058 Valid, 2578 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-14 19:13:10,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2021-12-14 19:13:10,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 928. [2021-12-14 19:13:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 626 states have (on average 1.20926517571885) internal successors, (757), 656 states have internal predecessors, (757), 219 states have call successors, (219), 67 states have call predecessors, (219), 67 states have return successors, (221), 215 states have call predecessors, (221), 217 states have call successors, (221) [2021-12-14 19:13:10,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1197 transitions. [2021-12-14 19:13:10,167 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1197 transitions. Word has length 187 [2021-12-14 19:13:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:10,167 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1197 transitions. [2021-12-14 19:13:10,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (26), 5 states have call predecessors, (26), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-14 19:13:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1197 transitions. [2021-12-14 19:13:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-14 19:13:10,169 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:10,169 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:10,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-14 19:13:10,170 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:10,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:10,170 INFO L85 PathProgramCache]: Analyzing trace with hash -576056608, now seen corresponding path program 1 times [2021-12-14 19:13:10,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:10,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614919532] [2021-12-14 19:13:10,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:10,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:13:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:13:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:13:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:13:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:13:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:13:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:13:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:13:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:13:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-14 19:13:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:13:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:13:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 19:13:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:10,406 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:13:10,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:10,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614919532] [2021-12-14 19:13:10,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614919532] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:10,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:10,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:10,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315832487] [2021-12-14 19:13:10,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:10,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:10,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:10,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:10,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:10,408 INFO L87 Difference]: Start difference. First operand 928 states and 1197 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-14 19:13:12,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:12,044 INFO L93 Difference]: Finished difference Result 928 states and 1197 transitions. [2021-12-14 19:13:12,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:12,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2021-12-14 19:13:12,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:12,048 INFO L225 Difference]: With dead ends: 928 [2021-12-14 19:13:12,048 INFO L226 Difference]: Without dead ends: 926 [2021-12-14 19:13:12,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:12,049 INFO L933 BasicCegarLoop]: 1129 mSDtfsCounter, 1612 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1750 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:12,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1750 Valid, 2678 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 19:13:12,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2021-12-14 19:13:12,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 926. [2021-12-14 19:13:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 625 states have (on average 1.208) internal successors, (755), 654 states have internal predecessors, (755), 219 states have call successors, (219), 67 states have call predecessors, (219), 67 states have return successors, (221), 215 states have call predecessors, (221), 217 states have call successors, (221) [2021-12-14 19:13:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1195 transitions. [2021-12-14 19:13:12,093 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1195 transitions. Word has length 157 [2021-12-14 19:13:12,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:12,093 INFO L470 AbstractCegarLoop]: Abstraction has 926 states and 1195 transitions. [2021-12-14 19:13:12,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-14 19:13:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1195 transitions. [2021-12-14 19:13:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-14 19:13:12,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:12,096 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:12,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-14 19:13:12,096 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:12,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:12,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1565188194, now seen corresponding path program 1 times [2021-12-14 19:13:12,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:12,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606267821] [2021-12-14 19:13:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:12,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:13:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:13:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:13:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:13:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:13:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:13:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:13:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:13:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:13:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-14 19:13:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:13:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:13:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 19:13:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 19:13:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:13:12,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:12,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606267821] [2021-12-14 19:13:12,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606267821] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:12,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:12,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:12,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932363733] [2021-12-14 19:13:12,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:12,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:12,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:12,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:12,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:12,268 INFO L87 Difference]: Start difference. First operand 926 states and 1195 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-14 19:13:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:13,899 INFO L93 Difference]: Finished difference Result 926 states and 1195 transitions. [2021-12-14 19:13:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:13,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2021-12-14 19:13:13,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:13,903 INFO L225 Difference]: With dead ends: 926 [2021-12-14 19:13:13,903 INFO L226 Difference]: Without dead ends: 924 [2021-12-14 19:13:13,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:13,904 INFO L933 BasicCegarLoop]: 1127 mSDtfsCounter, 1606 mSDsluCounter, 1549 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:13,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1743 Valid, 2676 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 19:13:13,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2021-12-14 19:13:13,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2021-12-14 19:13:13,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 624 states have (on average 1.2067307692307692) internal successors, (753), 652 states have internal predecessors, (753), 219 states have call successors, (219), 67 states have call predecessors, (219), 67 states have return successors, (221), 215 states have call predecessors, (221), 217 states have call successors, (221) [2021-12-14 19:13:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1193 transitions. [2021-12-14 19:13:13,947 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1193 transitions. Word has length 163 [2021-12-14 19:13:13,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:13,947 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1193 transitions. [2021-12-14 19:13:13,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-14 19:13:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1193 transitions. [2021-12-14 19:13:13,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-14 19:13:13,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:13,949 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:13,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-14 19:13:13,949 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:13,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:13,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1293557537, now seen corresponding path program 1 times [2021-12-14 19:13:13,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:13,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638478625] [2021-12-14 19:13:13,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:13,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-14 19:13:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:13:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:13:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:13:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 19:13:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 19:13:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 19:13:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 19:13:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:13:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 19:13:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-14 19:13:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-12-14 19:13:14,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:14,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638478625] [2021-12-14 19:13:14,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638478625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:14,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:14,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 19:13:14,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753172678] [2021-12-14 19:13:14,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:14,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 19:13:14,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:14,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 19:13:14,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 19:13:14,231 INFO L87 Difference]: Start difference. First operand 924 states and 1193 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 19:13:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:16,004 INFO L93 Difference]: Finished difference Result 1685 states and 2151 transitions. [2021-12-14 19:13:16,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:16,006 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 207 [2021-12-14 19:13:16,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:16,010 INFO L225 Difference]: With dead ends: 1685 [2021-12-14 19:13:16,011 INFO L226 Difference]: Without dead ends: 944 [2021-12-14 19:13:16,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-14 19:13:16,017 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 2116 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 1195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1195 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:16,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2277 Valid, 2087 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1195 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-14 19:13:16,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2021-12-14 19:13:16,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 920. [2021-12-14 19:13:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 621 states have (on average 1.2045088566827697) internal successors, (748), 648 states have internal predecessors, (748), 219 states have call successors, (219), 67 states have call predecessors, (219), 67 states have return successors, (221), 215 states have call predecessors, (221), 217 states have call successors, (221) [2021-12-14 19:13:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1188 transitions. [2021-12-14 19:13:16,067 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1188 transitions. Word has length 207 [2021-12-14 19:13:16,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:16,068 INFO L470 AbstractCegarLoop]: Abstraction has 920 states and 1188 transitions. [2021-12-14 19:13:16,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-14 19:13:16,068 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1188 transitions. [2021-12-14 19:13:16,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-14 19:13:16,070 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:16,070 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:16,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-14 19:13:16,070 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:16,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:16,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1601264781, now seen corresponding path program 1 times [2021-12-14 19:13:16,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:16,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466216709] [2021-12-14 19:13:16,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:16,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:13:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:13:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:13:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:13:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:13:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:13:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:13:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:13:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:13:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-14 19:13:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:13:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:13:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 19:13:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 19:13:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-14 19:13:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:13:16,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:16,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466216709] [2021-12-14 19:13:16,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466216709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:16,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:16,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:16,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878023019] [2021-12-14 19:13:16,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:16,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:16,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:16,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:16,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:16,247 INFO L87 Difference]: Start difference. First operand 920 states and 1188 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-14 19:13:17,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:17,975 INFO L93 Difference]: Finished difference Result 920 states and 1188 transitions. [2021-12-14 19:13:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:17,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2021-12-14 19:13:17,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:17,979 INFO L225 Difference]: With dead ends: 920 [2021-12-14 19:13:17,979 INFO L226 Difference]: Without dead ends: 918 [2021-12-14 19:13:17,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:17,980 INFO L933 BasicCegarLoop]: 1120 mSDtfsCounter, 1595 mSDsluCounter, 1535 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:17,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1731 Valid, 2655 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-14 19:13:17,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2021-12-14 19:13:18,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2021-12-14 19:13:18,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 620 states have (on average 1.2032258064516128) internal successors, (746), 646 states have internal predecessors, (746), 219 states have call successors, (219), 67 states have call predecessors, (219), 67 states have return successors, (221), 215 states have call predecessors, (221), 217 states have call successors, (221) [2021-12-14 19:13:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1186 transitions. [2021-12-14 19:13:18,071 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1186 transitions. Word has length 169 [2021-12-14 19:13:18,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:18,071 INFO L470 AbstractCegarLoop]: Abstraction has 918 states and 1186 transitions. [2021-12-14 19:13:18,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-14 19:13:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1186 transitions. [2021-12-14 19:13:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-14 19:13:18,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:18,073 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:18,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-14 19:13:18,073 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:18,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:18,075 INFO L85 PathProgramCache]: Analyzing trace with hash 664104994, now seen corresponding path program 1 times [2021-12-14 19:13:18,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:18,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790062980] [2021-12-14 19:13:18,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:18,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 19:13:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-14 19:13:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 19:13:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 19:13:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:13:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-14 19:13:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 19:13:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 19:13:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-14 19:13:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-14 19:13:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-14 19:13:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 19:13:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2021-12-14 19:13:18,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:18,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790062980] [2021-12-14 19:13:18,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790062980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:18,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:18,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 19:13:18,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604205648] [2021-12-14 19:13:18,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:18,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 19:13:18,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:18,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 19:13:18,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-14 19:13:18,319 INFO L87 Difference]: Start difference. First operand 918 states and 1186 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-14 19:13:20,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:20,737 INFO L93 Difference]: Finished difference Result 997 states and 1268 transitions. [2021-12-14 19:13:20,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 19:13:20,737 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 203 [2021-12-14 19:13:20,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:20,742 INFO L225 Difference]: With dead ends: 997 [2021-12-14 19:13:20,742 INFO L226 Difference]: Without dead ends: 995 [2021-12-14 19:13:20,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-12-14 19:13:20,744 INFO L933 BasicCegarLoop]: 1113 mSDtfsCounter, 1835 mSDsluCounter, 2852 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 993 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:20,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1954 Valid, 3965 Invalid, 2591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [993 Valid, 1598 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-14 19:13:20,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2021-12-14 19:13:20,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 969. [2021-12-14 19:13:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 654 states have (on average 1.194189602446483) internal successors, (781), 679 states have internal predecessors, (781), 226 states have call successors, (226), 78 states have call predecessors, (226), 78 states have return successors, (228), 222 states have call predecessors, (228), 224 states have call successors, (228) [2021-12-14 19:13:20,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1235 transitions. [2021-12-14 19:13:20,849 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1235 transitions. Word has length 203 [2021-12-14 19:13:20,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:20,850 INFO L470 AbstractCegarLoop]: Abstraction has 969 states and 1235 transitions. [2021-12-14 19:13:20,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-14 19:13:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1235 transitions. [2021-12-14 19:13:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-14 19:13:20,871 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:20,872 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-14 19:13:20,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-14 19:13:20,872 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:20,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:20,873 INFO L85 PathProgramCache]: Analyzing trace with hash 577814734, now seen corresponding path program 1 times [2021-12-14 19:13:20,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:20,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723941694] [2021-12-14 19:13:20,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:20,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-14 19:13:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:13:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:13:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:13:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 19:13:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 19:13:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 19:13:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 19:13:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:13:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 19:13:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-14 19:13:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-14 19:13:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-12-14 19:13:21,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:21,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723941694] [2021-12-14 19:13:21,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723941694] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 19:13:21,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947551645] [2021-12-14 19:13:21,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:21,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 19:13:21,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:13:21,184 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) [2021-12-14 19:13:21,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 19:13:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:21,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 19:13:21,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 19:13:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-14 19:13:22,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-14 19:13:22,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947551645] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:22,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-14 19:13:22,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-12-14 19:13:22,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571880088] [2021-12-14 19:13:22,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:22,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-14 19:13:22,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:22,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 19:13:22,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-14 19:13:22,178 INFO L87 Difference]: Start difference. First operand 969 states and 1235 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-14 19:13:22,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:22,240 INFO L93 Difference]: Finished difference Result 1804 states and 2270 transitions. [2021-12-14 19:13:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-14 19:13:22,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 213 [2021-12-14 19:13:22,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:22,244 INFO L225 Difference]: With dead ends: 1804 [2021-12-14 19:13:22,245 INFO L226 Difference]: Without dead ends: 1021 [2021-12-14 19:13:22,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-14 19:13:22,247 INFO L933 BasicCegarLoop]: 1233 mSDtfsCounter, 1102 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:22,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1102 Valid, 1300 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-14 19:13:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2021-12-14 19:13:22,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1018. [2021-12-14 19:13:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 683 states have (on average 1.1874084919472914) internal successors, (811), 711 states have internal predecessors, (811), 241 states have call successors, (241), 84 states have call predecessors, (241), 84 states have return successors, (243), 235 states have call predecessors, (243), 239 states have call successors, (243) [2021-12-14 19:13:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1295 transitions. [2021-12-14 19:13:22,296 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1295 transitions. Word has length 213 [2021-12-14 19:13:22,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:22,297 INFO L470 AbstractCegarLoop]: Abstraction has 1018 states and 1295 transitions. [2021-12-14 19:13:22,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-14 19:13:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1295 transitions. [2021-12-14 19:13:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-14 19:13:22,299 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:22,299 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:22,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-14 19:13:22,517 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,SelfDestructingSolverStorable24 [2021-12-14 19:13:22,517 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:22,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:22,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1999876672, now seen corresponding path program 1 times [2021-12-14 19:13:22,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:22,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128146189] [2021-12-14 19:13:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:22,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:13:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:13:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:13:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:13:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:13:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:13:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:13:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:13:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:13:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-14 19:13:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:13:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:13:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 19:13:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 19:13:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-14 19:13:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 19:13:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:13:22,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:22,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128146189] [2021-12-14 19:13:22,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128146189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:22,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:22,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:22,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52906148] [2021-12-14 19:13:22,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:22,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:22,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:22,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:22,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:22,793 INFO L87 Difference]: Start difference. First operand 1018 states and 1295 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-14 19:13:25,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:25,205 INFO L93 Difference]: Finished difference Result 1873 states and 2381 transitions. [2021-12-14 19:13:25,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 19:13:25,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2021-12-14 19:13:25,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:25,211 INFO L225 Difference]: With dead ends: 1873 [2021-12-14 19:13:25,211 INFO L226 Difference]: Without dead ends: 1871 [2021-12-14 19:13:25,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-14 19:13:25,212 INFO L933 BasicCegarLoop]: 1304 mSDtfsCounter, 2246 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 1116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2376 SdHoareTripleChecker+Valid, 3720 SdHoareTripleChecker+Invalid, 2685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1116 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:25,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2376 Valid, 3720 Invalid, 2685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1116 Valid, 1569 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-14 19:13:25,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2021-12-14 19:13:25,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1840. [2021-12-14 19:13:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1241 states have (on average 1.1893634165995166) internal successors, (1476), 1282 states have internal predecessors, (1476), 431 states have call successors, (431), 157 states have call predecessors, (431), 158 states have return successors, (447), 422 states have call predecessors, (447), 429 states have call successors, (447) [2021-12-14 19:13:25,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2354 transitions. [2021-12-14 19:13:25,310 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2354 transitions. Word has length 175 [2021-12-14 19:13:25,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:25,311 INFO L470 AbstractCegarLoop]: Abstraction has 1840 states and 2354 transitions. [2021-12-14 19:13:25,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-14 19:13:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2354 transitions. [2021-12-14 19:13:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-14 19:13:25,313 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:25,313 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:25,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-14 19:13:25,313 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:25,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:25,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1330314272, now seen corresponding path program 1 times [2021-12-14 19:13:25,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:25,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628683433] [2021-12-14 19:13:25,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:25,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 19:13:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 19:13:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-14 19:13:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-14 19:13:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 19:13:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 19:13:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 19:13:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-14 19:13:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 19:13:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:13:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 19:13:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-14 19:13:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-14 19:13:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:13:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-14 19:13:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-14 19:13:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:13:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 19:13:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 19:13:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-14 19:13:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 19:13:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 19:13:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:13:25,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:25,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628683433] [2021-12-14 19:13:25,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628683433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:25,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:25,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:25,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94302166] [2021-12-14 19:13:25,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:25,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:25,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:25,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:25,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:25,472 INFO L87 Difference]: Start difference. First operand 1840 states and 2354 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-14 19:13:26,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:26,838 INFO L93 Difference]: Finished difference Result 1840 states and 2354 transitions. [2021-12-14 19:13:26,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:26,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2021-12-14 19:13:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted.