./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--input--misc--ims-pcu.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.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 e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 16:01:54,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:01:54,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:01:54,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:01:54,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:01:54,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:01:54,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:01:54,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:01:54,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:01:54,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:01:54,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:01:54,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:01:54,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:01:54,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:01:54,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:01:54,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:01:54,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:01:54,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:01:54,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:01:54,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:01:54,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:01:54,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:01:54,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:01:54,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:01:54,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:01:54,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:01:54,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:01:54,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:01:54,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:01:54,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:01:54,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:01:54,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:01:54,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:01:54,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:01:54,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:01:54,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:01:54,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:01:54,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:01:54,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:01:54,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:01:54,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:01:54,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 16:01:54,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:01:54,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:01:54,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:01:54,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:01:54,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:01:54,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:01:54,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:01:54,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:01:54,922 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:01:54,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:01:54,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:01:54,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:01:54,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 16:01:54,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:01:54,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 16:01:54,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 16:01:54,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:01:54,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 16:01:54,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:01:54,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:01:54,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:01:54,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:01:54,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:01:54,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:01:54,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 16:01:54,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 16:01:54,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 16:01:54,926 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 16:01:54,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 16:01:54,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 16:01:54,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:01:54,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 [2021-12-22 16:01:55,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:01:55,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:01:55,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:01:55,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:01:55,192 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:01:55,193 INFO L432 ainManager$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--input--misc--ims-pcu.ko.cil.i [2021-12-22 16:01:55,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ab831d/1f763404b4fe4793971742a1f5d54bb5/FLAGf2a1f1205 [2021-12-22 16:01:56,034 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:01:56,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-12-22 16:01:56,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ab831d/1f763404b4fe4793971742a1f5d54bb5/FLAGf2a1f1205 [2021-12-22 16:01:56,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ab831d/1f763404b4fe4793971742a1f5d54bb5 [2021-12-22 16:01:56,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:01:56,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:01:56,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:01:56,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:01:56,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:01:56,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:01:56" (1/1) ... [2021-12-22 16:01:56,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a70e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:56, skipping insertion in model container [2021-12-22 16:01:56,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:01:56" (1/1) ... [2021-12-22 16:01:56,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:01:56,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:01:59,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2021-12-22 16:01:59,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2021-12-22 16:01:59,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-12-22 16:01:59,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-12-22 16:01:59,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2021-12-22 16:01:59,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2021-12-22 16:01:59,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-12-22 16:01:59,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-12-22 16:01:59,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-12-22 16:01:59,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-12-22 16:01:59,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-12-22 16:01:59,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-12-22 16:01:59,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-12-22 16:01:59,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-12-22 16:01:59,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-12-22 16:01:59,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-12-22 16:01:59,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-12-22 16:01:59,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-12-22 16:01:59,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-12-22 16:01:59,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-12-22 16:01:59,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-12-22 16:01:59,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-12-22 16:01:59,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-12-22 16:01:59,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-12-22 16:01:59,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-12-22 16:01:59,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-12-22 16:01:59,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-12-22 16:01:59,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-12-22 16:01:59,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-12-22 16:01:59,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-12-22 16:01:59,355 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-12-22 16:01:59,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-12-22 16:01:59,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-12-22 16:01:59,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-12-22 16:01:59,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-12-22 16:01:59,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-12-22 16:01:59,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-12-22 16:01:59,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-12-22 16:01:59,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-12-22 16:01:59,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-12-22 16:01:59,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-12-22 16:01:59,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-12-22 16:01:59,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-12-22 16:01:59,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-12-22 16:01:59,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-12-22 16:01:59,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-12-22 16:01:59,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-12-22 16:01:59,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-12-22 16:01:59,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-12-22 16:01:59,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-12-22 16:01:59,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-12-22 16:01:59,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-12-22 16:01:59,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-12-22 16:01:59,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-12-22 16:01:59,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-12-22 16:01:59,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-12-22 16:01:59,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2021-12-22 16:01:59,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2021-12-22 16:01:59,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2021-12-22 16:01:59,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2021-12-22 16:01:59,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2021-12-22 16:01:59,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-12-22 16:01:59,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2021-12-22 16:01:59,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2021-12-22 16:01:59,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-12-22 16:01:59,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-12-22 16:01:59,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-12-22 16:01:59,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-12-22 16:01:59,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2021-12-22 16:01:59,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2021-12-22 16:01:59,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2021-12-22 16:01:59,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2021-12-22 16:01:59,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2021-12-22 16:01:59,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-12-22 16:01:59,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-12-22 16:01:59,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-12-22 16:01:59,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-12-22 16:01:59,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-12-22 16:01:59,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-12-22 16:01:59,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-12-22 16:01:59,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-12-22 16:01:59,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-12-22 16:01:59,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-12-22 16:01:59,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-12-22 16:01:59,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-12-22 16:01:59,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-12-22 16:01:59,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-12-22 16:01:59,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-12-22 16:01:59,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:01:59,419 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 16:01:59,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2021-12-22 16:01:59,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2021-12-22 16:01:59,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-12-22 16:01:59,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-12-22 16:01:59,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2021-12-22 16:01:59,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2021-12-22 16:01:59,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-12-22 16:01:59,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-12-22 16:01:59,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-12-22 16:01:59,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-12-22 16:01:59,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-12-22 16:01:59,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-12-22 16:01:59,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-12-22 16:01:59,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-12-22 16:01:59,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-12-22 16:01:59,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-12-22 16:01:59,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-12-22 16:01:59,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-12-22 16:01:59,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-12-22 16:01:59,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-12-22 16:01:59,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-12-22 16:01:59,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-12-22 16:01:59,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-12-22 16:01:59,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-12-22 16:01:59,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-12-22 16:01:59,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-12-22 16:01:59,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-12-22 16:01:59,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-12-22 16:01:59,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-12-22 16:01:59,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-12-22 16:01:59,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-12-22 16:01:59,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-12-22 16:01:59,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-12-22 16:01:59,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-12-22 16:01:59,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-12-22 16:01:59,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-12-22 16:01:59,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-12-22 16:01:59,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-12-22 16:01:59,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-12-22 16:01:59,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-12-22 16:01:59,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-12-22 16:01:59,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-12-22 16:01:59,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-12-22 16:01:59,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-12-22 16:01:59,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-12-22 16:01:59,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-12-22 16:01:59,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-12-22 16:01:59,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-12-22 16:01:59,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-12-22 16:01:59,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-12-22 16:01:59,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-12-22 16:01:59,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-12-22 16:01:59,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-12-22 16:01:59,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-12-22 16:01:59,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-12-22 16:01:59,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-12-22 16:01:59,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2021-12-22 16:01:59,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2021-12-22 16:01:59,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2021-12-22 16:01:59,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2021-12-22 16:01:59,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2021-12-22 16:01:59,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-12-22 16:01:59,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2021-12-22 16:01:59,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2021-12-22 16:01:59,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-12-22 16:01:59,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-12-22 16:01:59,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-12-22 16:01:59,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-12-22 16:01:59,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2021-12-22 16:01:59,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2021-12-22 16:01:59,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2021-12-22 16:01:59,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2021-12-22 16:01:59,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2021-12-22 16:01:59,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-12-22 16:01:59,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-12-22 16:01:59,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-12-22 16:01:59,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-12-22 16:01:59,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-12-22 16:01:59,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-12-22 16:01:59,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-12-22 16:01:59,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-12-22 16:01:59,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-12-22 16:01:59,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-12-22 16:01:59,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-12-22 16:01:59,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-12-22 16:01:59,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-12-22 16:01:59,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-12-22 16:01:59,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-12-22 16:01:59,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:01:59,965 INFO L208 MainTranslator]: Completed translation [2021-12-22 16:01:59,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59 WrapperNode [2021-12-22 16:01:59,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:01:59,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 16:01:59,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 16:01:59,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 16:01:59,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,231 INFO L137 Inliner]: procedures = 609, calls = 2320, calls flagged for inlining = 291, calls inlined = 202, statements flattened = 4611 [2021-12-22 16:02:00,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 16:02:00,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 16:02:00,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 16:02:00,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 16:02:00,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 16:02:00,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 16:02:00,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 16:02:00,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 16:02:00,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (1/1) ... [2021-12-22 16:02:00,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:02:00,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:02:00,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 16:02:00,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 16:02:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-22 16:02:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-22 16:02:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:02:00,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:02:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 16:02:00,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 16:02:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2021-12-22 16:02:00,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2021-12-22 16:02:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 16:02:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 16:02:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:02:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:02:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-22 16:02:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-22 16:02:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:02:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:02:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:02:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:02:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 16:02:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_create_group [2021-12-22 16:02:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_create_group [2021-12-22 16:02:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2021-12-22 16:02:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2021-12-22 16:02:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 16:02:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 16:02:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 16:02:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 16:02:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:02:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:02:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 16:02:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:02:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:02:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2021-12-22 16:02:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2021-12-22 16:02:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 16:02:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 16:02:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-22 16:02:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-22 16:02:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 16:02:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 16:02:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-12-22 16:02:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-12-22 16:02:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:02:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:02:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 16:02:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_store [2021-12-22 16:02:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_store [2021-12-22 16:02:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:02:00,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:02:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-22 16:02:00,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-22 16:02:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2021-12-22 16:02:00,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2021-12-22 16:02:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 16:02:00,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 16:02:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:02:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:02:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2021-12-22 16:02:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2021-12-22 16:02:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 16:02:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 16:02:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 16:02:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 16:02:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_completion_94 [2021-12-22 16:02:00,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_completion_94 [2021-12-22 16:02:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:02:00,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:02:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-12-22 16:02:00,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-12-22 16:02:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2021-12-22 16:02:00,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2021-12-22 16:02:00,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:02:00,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:02:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 16:02:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2021-12-22 16:02:00,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2021-12-22 16:02:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-22 16:02:00,514 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-22 16:02:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 16:02:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2021-12-22 16:02:00,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2021-12-22 16:02:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 16:02:00,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 16:02:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 16:02:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 16:02:00,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 16:02:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-22 16:02:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-22 16:02:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2021-12-22 16:02:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2021-12-22 16:02:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-22 16:02:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-22 16:02:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-12-22 16:02:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-12-22 16:02:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_write_ofn_config [2021-12-22 16:02:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_write_ofn_config [2021-12-22 16:02:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:02:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:02:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-12-22 16:02:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-12-22 16:02:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2021-12-22 16:02:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2021-12-22 16:02:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 16:02:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 16:02:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 16:02:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 16:02:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-22 16:02:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-22 16:02:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 16:02:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 16:02:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 16:02:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 16:02:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-22 16:02:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-22 16:02:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-12-22 16:02:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-12-22 16:02:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-22 16:02:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-22 16:02:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2021-12-22 16:02:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2021-12-22 16:02:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-22 16:02:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-22 16:02:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_reg_addr_store [2021-12-22 16:02:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_reg_addr_store [2021-12-22 16:02:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 16:02:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 16:02:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-22 16:02:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-22 16:02:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:02:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:02:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-22 16:02:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-22 16:02:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2021-12-22 16:02:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2021-12-22 16:02:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:02:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:02:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 16:02:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:02:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:02:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2021-12-22 16:02:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2021-12-22 16:02:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 16:02:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-22 16:02:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-22 16:02:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-12-22 16:02:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-12-22 16:02:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-22 16:02:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-22 16:02:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-22 16:02:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-22 16:02:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2021-12-22 16:02:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2021-12-22 16:02:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 16:02:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-22 16:02:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-22 16:02:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 16:02:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 16:02:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 16:02:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 16:02:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:02:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:02:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2021-12-22 16:02:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2021-12-22 16:02:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-22 16:02:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-22 16:02:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 16:02:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 16:02:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-22 16:02:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-22 16:02:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 16:02:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 16:02:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_read_ofn_config [2021-12-22 16:02:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_read_ofn_config [2021-12-22 16:02:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-22 16:02:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-22 16:02:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-22 16:02:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-22 16:02:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:02:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:02:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:02:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:02:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:02:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:02:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-22 16:02:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-22 16:02:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_show [2021-12-22 16:02:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_show [2021-12-22 16:02:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 16:02:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 16:02:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2021-12-22 16:02:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2021-12-22 16:02:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:02:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:02:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 16:02:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 16:02:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:02:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:02:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2021-12-22 16:02:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2021-12-22 16:02:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 16:02:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:02:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:02:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2021-12-22 16:02:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2021-12-22 16:02:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 16:02:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 16:02:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:02:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:02:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-12-22 16:02:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-12-22 16:02:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2021-12-22 16:02:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2021-12-22 16:02:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-22 16:02:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-22 16:02:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-12-22 16:02:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-12-22 16:02:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2021-12-22 16:02:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2021-12-22 16:02:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 16:02:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 16:02:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:02:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:02:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 16:02:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2021-12-22 16:02:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2021-12-22 16:02:01,300 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 16:02:01,318 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 16:02:01,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 16:02:03,841 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 16:02:03,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 16:02:03,858 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 16:02:03,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:02:03 BoogieIcfgContainer [2021-12-22 16:02:03,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 16:02:03,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 16:02:03,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 16:02:03,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 16:02:03,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:01:56" (1/3) ... [2021-12-22 16:02:03,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6558f92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:02:03, skipping insertion in model container [2021-12-22 16:02:03,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:01:59" (2/3) ... [2021-12-22 16:02:03,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6558f92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:02:03, skipping insertion in model container [2021-12-22 16:02:03,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:02:03" (3/3) ... [2021-12-22 16:02:03,870 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-12-22 16:02:03,874 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 16:02:03,874 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-12-22 16:02:03,922 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 16:02:03,927 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 16:02:03,928 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-12-22 16:02:03,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 1491 states, 971 states have (on average 1.258496395468589) internal successors, (1222), 1027 states have internal predecessors, (1222), 385 states have call successors, (385), 104 states have call predecessors, (385), 103 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) [2021-12-22 16:02:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-22 16:02:03,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:03,997 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] [2021-12-22 16:02:03,998 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:04,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:04,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1443060829, now seen corresponding path program 1 times [2021-12-22 16:02:04,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:04,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734904834] [2021-12-22 16:02:04,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:04,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:04,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:04,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734904834] [2021-12-22 16:02:04,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734904834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:04,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:04,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:04,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265144293] [2021-12-22 16:02:04,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:04,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:04,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:04,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:04,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:04,747 INFO L87 Difference]: Start difference. First operand has 1491 states, 971 states have (on average 1.258496395468589) internal successors, (1222), 1027 states have internal predecessors, (1222), 385 states have call successors, (385), 104 states have call predecessors, (385), 103 states have return successors, (382), 382 states have call predecessors, (382), 382 states have call successors, (382) 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) [2021-12-22 16:02:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:07,452 INFO L93 Difference]: Finished difference Result 2933 states and 4046 transitions. [2021-12-22 16:02:07,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:07,454 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 [2021-12-22 16:02:07,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:07,476 INFO L225 Difference]: With dead ends: 2933 [2021-12-22 16:02:07,477 INFO L226 Difference]: Without dead ends: 1475 [2021-12-22 16:02:07,495 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 [2021-12-22 16:02:07,497 INFO L933 BasicCegarLoop]: 1830 mSDtfsCounter, 2704 mSDsluCounter, 2286 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 1252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 4116 SdHoareTripleChecker+Invalid, 2658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1252 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:07,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2956 Valid, 4116 Invalid, 2658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1252 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-22 16:02:07,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-12-22 16:02:07,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-12-22 16:02:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 961 states have (on average 1.2247658688865766) internal successors, (1177), 1014 states have internal predecessors, (1177), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-12-22 16:02:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1939 transitions. [2021-12-22 16:02:07,641 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1939 transitions. Word has length 71 [2021-12-22 16:02:07,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:07,642 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 1939 transitions. [2021-12-22 16:02:07,643 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) [2021-12-22 16:02:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1939 transitions. [2021-12-22 16:02:07,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-22 16:02:07,651 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:07,651 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] [2021-12-22 16:02:07,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 16:02:07,652 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:07,652 INFO L85 PathProgramCache]: Analyzing trace with hash -191390958, now seen corresponding path program 1 times [2021-12-22 16:02:07,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:07,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329793636] [2021-12-22 16:02:07,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:07,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:07,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:07,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329793636] [2021-12-22 16:02:07,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329793636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:07,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:07,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:07,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113173510] [2021-12-22 16:02:07,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:07,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:07,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:07,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:07,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:07,935 INFO L87 Difference]: Start difference. First operand 1475 states and 1939 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) [2021-12-22 16:02:10,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:10,307 INFO L93 Difference]: Finished difference Result 1475 states and 1939 transitions. [2021-12-22 16:02:10,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:10,315 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 [2021-12-22 16:02:10,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:10,326 INFO L225 Difference]: With dead ends: 1475 [2021-12-22 16:02:10,326 INFO L226 Difference]: Without dead ends: 1473 [2021-12-22 16:02:10,327 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 [2021-12-22 16:02:10,330 INFO L933 BasicCegarLoop]: 1814 mSDtfsCounter, 2674 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:10,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2923 Valid, 4086 Invalid, 2640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 16:02:10,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2021-12-22 16:02:10,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1473. [2021-12-22 16:02:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 960 states have (on average 1.2239583333333333) internal successors, (1175), 1012 states have internal predecessors, (1175), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-12-22 16:02:10,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1937 transitions. [2021-12-22 16:02:10,400 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1937 transitions. Word has length 77 [2021-12-22 16:02:10,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:10,403 INFO L470 AbstractCegarLoop]: Abstraction has 1473 states and 1937 transitions. [2021-12-22 16:02:10,403 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) [2021-12-22 16:02:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1937 transitions. [2021-12-22 16:02:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-22 16:02:10,406 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:10,406 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] [2021-12-22 16:02:10,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 16:02:10,407 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:10,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:10,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1554937333, now seen corresponding path program 1 times [2021-12-22 16:02:10,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:10,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733914366] [2021-12-22 16:02:10,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:10,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:10,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:10,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733914366] [2021-12-22 16:02:10,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733914366] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:10,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:10,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:10,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047208084] [2021-12-22 16:02:10,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:10,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:10,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:10,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:10,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:10,744 INFO L87 Difference]: Start difference. First operand 1473 states and 1937 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) [2021-12-22 16:02:12,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:12,936 INFO L93 Difference]: Finished difference Result 1473 states and 1937 transitions. [2021-12-22 16:02:12,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:12,936 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 [2021-12-22 16:02:12,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:12,944 INFO L225 Difference]: With dead ends: 1473 [2021-12-22 16:02:12,944 INFO L226 Difference]: Without dead ends: 1471 [2021-12-22 16:02:12,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:02:12,948 INFO L933 BasicCegarLoop]: 1812 mSDtfsCounter, 2668 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2916 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 2638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:12,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2916 Valid, 4084 Invalid, 2638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 16:02:12,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2021-12-22 16:02:12,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2021-12-22 16:02:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 959 states have (on average 1.2231491136600625) internal successors, (1173), 1010 states have internal predecessors, (1173), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-12-22 16:02:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1935 transitions. [2021-12-22 16:02:13,008 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1935 transitions. Word has length 83 [2021-12-22 16:02:13,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:13,010 INFO L470 AbstractCegarLoop]: Abstraction has 1471 states and 1935 transitions. [2021-12-22 16:02:13,011 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) [2021-12-22 16:02:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1935 transitions. [2021-12-22 16:02:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-22 16:02:13,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:13,013 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] [2021-12-22 16:02:13,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 16:02:13,014 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:13,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:13,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1601048255, now seen corresponding path program 1 times [2021-12-22 16:02:13,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:13,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175863958] [2021-12-22 16:02:13,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:13,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:02:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:13,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:13,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175863958] [2021-12-22 16:02:13,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175863958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:13,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:13,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:13,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685624041] [2021-12-22 16:02:13,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:13,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:13,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:13,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:13,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:13,327 INFO L87 Difference]: Start difference. First operand 1471 states and 1935 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) [2021-12-22 16:02:15,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:15,462 INFO L93 Difference]: Finished difference Result 1471 states and 1935 transitions. [2021-12-22 16:02:15,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:15,462 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 [2021-12-22 16:02:15,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:15,471 INFO L225 Difference]: With dead ends: 1471 [2021-12-22 16:02:15,471 INFO L226 Difference]: Without dead ends: 1469 [2021-12-22 16:02:15,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:02:15,473 INFO L933 BasicCegarLoop]: 1810 mSDtfsCounter, 2662 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2909 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 2636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:15,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2909 Valid, 4082 Invalid, 2636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 16:02:15,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2021-12-22 16:02:15,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2021-12-22 16:02:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 958 states have (on average 1.2223382045929019) internal successors, (1171), 1008 states have internal predecessors, (1171), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-12-22 16:02:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1933 transitions. [2021-12-22 16:02:15,555 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1933 transitions. Word has length 89 [2021-12-22 16:02:15,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:15,555 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 1933 transitions. [2021-12-22 16:02:15,556 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) [2021-12-22 16:02:15,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1933 transitions. [2021-12-22 16:02:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-22 16:02:15,561 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:15,561 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] [2021-12-22 16:02:15,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 16:02:15,562 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:15,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:15,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1359531351, now seen corresponding path program 1 times [2021-12-22 16:02:15,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:15,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603272648] [2021-12-22 16:02:15,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:15,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:02:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:02:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:15,834 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:15,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:15,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603272648] [2021-12-22 16:02:15,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603272648] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:15,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:15,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:15,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114757926] [2021-12-22 16:02:15,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:15,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:15,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:15,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:15,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:15,837 INFO L87 Difference]: Start difference. First operand 1469 states and 1933 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) [2021-12-22 16:02:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:18,012 INFO L93 Difference]: Finished difference Result 1469 states and 1933 transitions. [2021-12-22 16:02:18,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:18,013 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 [2021-12-22 16:02:18,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:18,019 INFO L225 Difference]: With dead ends: 1469 [2021-12-22 16:02:18,019 INFO L226 Difference]: Without dead ends: 1467 [2021-12-22 16:02:18,020 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 [2021-12-22 16:02:18,021 INFO L933 BasicCegarLoop]: 1808 mSDtfsCounter, 2656 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:18,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2902 Valid, 4080 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 16:02:18,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2021-12-22 16:02:18,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2021-12-22 16:02:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 957 states have (on average 1.2215256008359456) internal successors, (1169), 1006 states have internal predecessors, (1169), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-12-22 16:02:18,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1931 transitions. [2021-12-22 16:02:18,082 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1931 transitions. Word has length 95 [2021-12-22 16:02:18,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:18,083 INFO L470 AbstractCegarLoop]: Abstraction has 1467 states and 1931 transitions. [2021-12-22 16:02:18,083 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) [2021-12-22 16:02:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1931 transitions. [2021-12-22 16:02:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-22 16:02:18,085 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:18,085 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] [2021-12-22 16:02:18,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 16:02:18,085 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:18,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:18,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1567667439, now seen corresponding path program 1 times [2021-12-22 16:02:18,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:18,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320521996] [2021-12-22 16:02:18,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:18,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:02:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:02:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:18,355 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:18,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:18,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320521996] [2021-12-22 16:02:18,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320521996] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:18,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:18,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:18,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184913681] [2021-12-22 16:02:18,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:18,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:18,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:18,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:18,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:18,358 INFO L87 Difference]: Start difference. First operand 1467 states and 1931 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) [2021-12-22 16:02:20,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:20,658 INFO L93 Difference]: Finished difference Result 1467 states and 1931 transitions. [2021-12-22 16:02:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:20,659 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 [2021-12-22 16:02:20,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:20,665 INFO L225 Difference]: With dead ends: 1467 [2021-12-22 16:02:20,666 INFO L226 Difference]: Without dead ends: 1465 [2021-12-22 16:02:20,666 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 [2021-12-22 16:02:20,667 INFO L933 BasicCegarLoop]: 1806 mSDtfsCounter, 2650 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2895 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 2632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:20,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2895 Valid, 4078 Invalid, 2632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 16:02:20,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2021-12-22 16:02:20,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1465. [2021-12-22 16:02:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1465 states, 956 states have (on average 1.2207112970711298) internal successors, (1167), 1004 states have internal predecessors, (1167), 382 states have call successors, (382), 103 states have call predecessors, (382), 102 states have return successors, (380), 380 states have call predecessors, (380), 380 states have call successors, (380) [2021-12-22 16:02:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1929 transitions. [2021-12-22 16:02:20,721 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1929 transitions. Word has length 101 [2021-12-22 16:02:20,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:20,721 INFO L470 AbstractCegarLoop]: Abstraction has 1465 states and 1929 transitions. [2021-12-22 16:02:20,722 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) [2021-12-22 16:02:20,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1929 transitions. [2021-12-22 16:02:20,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-22 16:02:20,723 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:20,723 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] [2021-12-22 16:02:20,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 16:02:20,724 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:20,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash -960086196, now seen corresponding path program 1 times [2021-12-22 16:02:20,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:20,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070666244] [2021-12-22 16:02:20,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:20,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:02:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:02:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:02:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:20,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:20,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070666244] [2021-12-22 16:02:20,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070666244] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:20,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:20,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:20,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346271170] [2021-12-22 16:02:20,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:20,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:20,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:20,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:20,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:20,955 INFO L87 Difference]: Start difference. First operand 1465 states and 1929 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) [2021-12-22 16:02:24,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:24,998 INFO L93 Difference]: Finished difference Result 2692 states and 3514 transitions. [2021-12-22 16:02:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 16:02:24,998 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 [2021-12-22 16:02:24,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:25,019 INFO L225 Difference]: With dead ends: 2692 [2021-12-22 16:02:25,019 INFO L226 Difference]: Without dead ends: 2690 [2021-12-22 16:02:25,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-22 16:02:25,024 INFO L933 BasicCegarLoop]: 2194 mSDtfsCounter, 3684 mSDsluCounter, 3735 mSDsCounter, 0 mSdLazyCounter, 2759 mSolverCounterSat, 1969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3924 SdHoareTripleChecker+Valid, 5929 SdHoareTripleChecker+Invalid, 4728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1969 IncrementalHoareTripleChecker+Valid, 2759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:25,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3924 Valid, 5929 Invalid, 4728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1969 Valid, 2759 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-22 16:02:25,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2021-12-22 16:02:25,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2546. [2021-12-22 16:02:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 1674 states have (on average 1.2180406212664276) internal successors, (2039), 1741 states have internal predecessors, (2039), 662 states have call successors, (662), 186 states have call predecessors, (662), 185 states have return successors, (663), 659 states have call predecessors, (663), 660 states have call successors, (663) [2021-12-22 16:02:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3364 transitions. [2021-12-22 16:02:25,163 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3364 transitions. Word has length 107 [2021-12-22 16:02:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:25,163 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 3364 transitions. [2021-12-22 16:02:25,164 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) [2021-12-22 16:02:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3364 transitions. [2021-12-22 16:02:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-22 16:02:25,166 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:25,166 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] [2021-12-22 16:02:25,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 16:02:25,166 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:25,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:25,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1041772623, now seen corresponding path program 1 times [2021-12-22 16:02:25,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:25,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534077257] [2021-12-22 16:02:25,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:25,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:02:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:02:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:02:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:02:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:25,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:25,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534077257] [2021-12-22 16:02:25,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534077257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:25,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:25,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:25,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170369630] [2021-12-22 16:02:25,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:25,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:25,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:25,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:25,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:25,425 INFO L87 Difference]: Start difference. First operand 2546 states and 3364 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) [2021-12-22 16:02:27,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:27,639 INFO L93 Difference]: Finished difference Result 2546 states and 3364 transitions. [2021-12-22 16:02:27,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:27,640 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 [2021-12-22 16:02:27,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:27,652 INFO L225 Difference]: With dead ends: 2546 [2021-12-22 16:02:27,652 INFO L226 Difference]: Without dead ends: 2544 [2021-12-22 16:02:27,653 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 [2021-12-22 16:02:27,654 INFO L933 BasicCegarLoop]: 1804 mSDtfsCounter, 2648 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 4076 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:27,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2891 Valid, 4076 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-22 16:02:27,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2021-12-22 16:02:27,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2544. [2021-12-22 16:02:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 1673 states have (on average 1.217573221757322) internal successors, (2037), 1739 states have internal predecessors, (2037), 662 states have call successors, (662), 186 states have call predecessors, (662), 185 states have return successors, (663), 659 states have call predecessors, (663), 660 states have call successors, (663) [2021-12-22 16:02:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3362 transitions. [2021-12-22 16:02:27,768 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3362 transitions. Word has length 113 [2021-12-22 16:02:27,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:27,769 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3362 transitions. [2021-12-22 16:02:27,769 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) [2021-12-22 16:02:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3362 transitions. [2021-12-22 16:02:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-22 16:02:27,771 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:27,772 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] [2021-12-22 16:02:27,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 16:02:27,772 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:27,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:27,773 INFO L85 PathProgramCache]: Analyzing trace with hash -415972780, now seen corresponding path program 1 times [2021-12-22 16:02:27,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:27,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713385240] [2021-12-22 16:02:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:27,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:02:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:02:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:02:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:02:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:28,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:28,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713385240] [2021-12-22 16:02:28,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713385240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:28,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:28,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:28,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356623773] [2021-12-22 16:02:28,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:28,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:28,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:28,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:28,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:28,055 INFO L87 Difference]: Start difference. First operand 2544 states and 3362 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) [2021-12-22 16:02:30,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:30,194 INFO L93 Difference]: Finished difference Result 2544 states and 3362 transitions. [2021-12-22 16:02:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:30,195 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 [2021-12-22 16:02:30,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:30,207 INFO L225 Difference]: With dead ends: 2544 [2021-12-22 16:02:30,207 INFO L226 Difference]: Without dead ends: 2542 [2021-12-22 16:02:30,209 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 [2021-12-22 16:02:30,211 INFO L933 BasicCegarLoop]: 1802 mSDtfsCounter, 2636 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 4074 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:30,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2879 Valid, 4074 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 16:02:30,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2021-12-22 16:02:30,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2542. [2021-12-22 16:02:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1672 states have (on average 1.2171052631578947) internal successors, (2035), 1737 states have internal predecessors, (2035), 662 states have call successors, (662), 186 states have call predecessors, (662), 185 states have return successors, (663), 659 states have call predecessors, (663), 660 states have call successors, (663) [2021-12-22 16:02:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3360 transitions. [2021-12-22 16:02:30,348 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3360 transitions. Word has length 115 [2021-12-22 16:02:30,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:30,349 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 3360 transitions. [2021-12-22 16:02:30,349 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) [2021-12-22 16:02:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3360 transitions. [2021-12-22 16:02:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-22 16:02:30,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:30,352 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] [2021-12-22 16:02:30,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 16:02:30,353 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:30,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:30,353 INFO L85 PathProgramCache]: Analyzing trace with hash -14146037, now seen corresponding path program 1 times [2021-12-22 16:02:30,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:30,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206052864] [2021-12-22 16:02:30,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:30,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 16:02:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 16:02:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 16:02:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:02:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 16:02:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 16:02:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:02:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-22 16:02:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-22 16:02:30,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:30,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206052864] [2021-12-22 16:02:30,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206052864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:30,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:30,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 16:02:30,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588525534] [2021-12-22 16:02:30,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:30,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 16:02:30,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:30,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 16:02:30,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 16:02:30,776 INFO L87 Difference]: Start difference. First operand 2542 states and 3360 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-22 16:02:33,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:33,521 INFO L93 Difference]: Finished difference Result 2607 states and 3452 transitions. [2021-12-22 16:02:33,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 16:02:33,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 164 [2021-12-22 16:02:33,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:33,534 INFO L225 Difference]: With dead ends: 2607 [2021-12-22 16:02:33,534 INFO L226 Difference]: Without dead ends: 2605 [2021-12-22 16:02:33,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-12-22 16:02:33,536 INFO L933 BasicCegarLoop]: 1796 mSDtfsCounter, 1691 mSDsluCounter, 4036 mSDsCounter, 0 mSdLazyCounter, 2702 mSolverCounterSat, 1495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1691 SdHoareTripleChecker+Valid, 5832 SdHoareTripleChecker+Invalid, 4197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1495 IncrementalHoareTripleChecker+Valid, 2702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:33,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1691 Valid, 5832 Invalid, 4197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1495 Valid, 2702 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-22 16:02:33,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2021-12-22 16:02:33,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 2548. [2021-12-22 16:02:33,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2548 states, 1677 states have (on average 1.2164579606440071) internal successors, (2040), 1742 states have internal predecessors, (2040), 662 states have call successors, (662), 186 states have call predecessors, (662), 186 states have return successors, (664), 659 states have call predecessors, (664), 660 states have call successors, (664) [2021-12-22 16:02:33,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 3366 transitions. [2021-12-22 16:02:33,658 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 3366 transitions. Word has length 164 [2021-12-22 16:02:33,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:33,658 INFO L470 AbstractCegarLoop]: Abstraction has 2548 states and 3366 transitions. [2021-12-22 16:02:33,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-22 16:02:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3366 transitions. [2021-12-22 16:02:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-22 16:02:33,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:33,661 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] [2021-12-22 16:02:33,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 16:02:33,661 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:33,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:33,662 INFO L85 PathProgramCache]: Analyzing trace with hash -14205619, now seen corresponding path program 1 times [2021-12-22 16:02:33,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:33,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899410811] [2021-12-22 16:02:33,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:33,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 16:02:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 16:02:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 16:02:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:02:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 16:02:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 16:02:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:02:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-22 16:02:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-22 16:02:34,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:34,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899410811] [2021-12-22 16:02:34,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899410811] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:34,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:34,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 16:02:34,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562181748] [2021-12-22 16:02:34,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:34,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 16:02:34,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:34,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 16:02:34,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-22 16:02:34,082 INFO L87 Difference]: Start difference. First operand 2548 states and 3366 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 16:02:37,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:37,420 INFO L93 Difference]: Finished difference Result 5102 states and 6775 transitions. [2021-12-22 16:02:37,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-22 16:02:37,420 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 164 [2021-12-22 16:02:37,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:37,432 INFO L225 Difference]: With dead ends: 5102 [2021-12-22 16:02:37,432 INFO L226 Difference]: Without dead ends: 2593 [2021-12-22 16:02:37,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-22 16:02:37,440 INFO L933 BasicCegarLoop]: 1793 mSDtfsCounter, 3065 mSDsluCounter, 4578 mSDsCounter, 0 mSdLazyCounter, 4083 mSolverCounterSat, 1757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3326 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 5840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1757 IncrementalHoareTripleChecker+Valid, 4083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:37,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3326 Valid, 6371 Invalid, 5840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1757 Valid, 4083 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-22 16:02:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2021-12-22 16:02:37,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2542. [2021-12-22 16:02:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1672 states have (on average 1.2147129186602872) internal successors, (2031), 1736 states have internal predecessors, (2031), 662 states have call successors, (662), 186 states have call predecessors, (662), 186 states have return successors, (664), 659 states have call predecessors, (664), 660 states have call successors, (664) [2021-12-22 16:02:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3357 transitions. [2021-12-22 16:02:37,571 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3357 transitions. Word has length 164 [2021-12-22 16:02:37,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:37,572 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 3357 transitions. [2021-12-22 16:02:37,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 16:02:37,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3357 transitions. [2021-12-22 16:02:37,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-22 16:02:37,573 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:37,574 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] [2021-12-22 16:02:37,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 16:02:37,574 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:37,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:37,575 INFO L85 PathProgramCache]: Analyzing trace with hash -698388096, now seen corresponding path program 1 times [2021-12-22 16:02:37,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:37,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014517828] [2021-12-22 16:02:37,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:37,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:02:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:02:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:02:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:02:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:02:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:37,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:37,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014517828] [2021-12-22 16:02:37,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014517828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:37,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:37,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:37,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893255433] [2021-12-22 16:02:37,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:37,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:37,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:37,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:37,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:37,845 INFO L87 Difference]: Start difference. First operand 2542 states and 3357 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) [2021-12-22 16:02:39,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:39,791 INFO L93 Difference]: Finished difference Result 2542 states and 3357 transitions. [2021-12-22 16:02:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:39,792 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 [2021-12-22 16:02:39,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:39,800 INFO L225 Difference]: With dead ends: 2542 [2021-12-22 16:02:39,800 INFO L226 Difference]: Without dead ends: 2540 [2021-12-22 16:02:39,801 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 [2021-12-22 16:02:39,802 INFO L933 BasicCegarLoop]: 1797 mSDtfsCounter, 2623 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2865 SdHoareTripleChecker+Valid, 4069 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:39,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2865 Valid, 4069 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-22 16:02:39,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2021-12-22 16:02:39,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2540. [2021-12-22 16:02:39,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2540 states, 1671 states have (on average 1.2142429682824656) internal successors, (2029), 1734 states have internal predecessors, (2029), 662 states have call successors, (662), 186 states have call predecessors, (662), 186 states have return successors, (664), 659 states have call predecessors, (664), 660 states have call successors, (664) [2021-12-22 16:02:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 3355 transitions. [2021-12-22 16:02:39,946 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 3355 transitions. Word has length 121 [2021-12-22 16:02:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:39,946 INFO L470 AbstractCegarLoop]: Abstraction has 2540 states and 3355 transitions. [2021-12-22 16:02:39,947 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) [2021-12-22 16:02:39,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 3355 transitions. [2021-12-22 16:02:39,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-22 16:02:39,948 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:39,949 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] [2021-12-22 16:02:39,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 16:02:39,949 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:39,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:39,950 INFO L85 PathProgramCache]: Analyzing trace with hash -317742788, now seen corresponding path program 1 times [2021-12-22 16:02:39,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:39,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192071362] [2021-12-22 16:02:39,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:39,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:02:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:02:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:02:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:02:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:02:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:02:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:02:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:02:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:02:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:40,195 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-22 16:02:40,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:40,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192071362] [2021-12-22 16:02:40,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192071362] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:40,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:40,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:40,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605048864] [2021-12-22 16:02:40,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:40,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:40,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:40,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:40,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:40,198 INFO L87 Difference]: Start difference. First operand 2540 states and 3355 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) [2021-12-22 16:02:42,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:42,155 INFO L93 Difference]: Finished difference Result 2540 states and 3355 transitions. [2021-12-22 16:02:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:42,156 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 [2021-12-22 16:02:42,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:42,172 INFO L225 Difference]: With dead ends: 2540 [2021-12-22 16:02:42,173 INFO L226 Difference]: Without dead ends: 2538 [2021-12-22 16:02:42,174 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 [2021-12-22 16:02:42,175 INFO L933 BasicCegarLoop]: 1795 mSDtfsCounter, 2617 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 4067 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:42,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2858 Valid, 4067 Invalid, 2621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-22 16:02:42,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2021-12-22 16:02:42,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2538. [2021-12-22 16:02:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2538 states, 1670 states have (on average 1.2137724550898203) internal successors, (2027), 1732 states have internal predecessors, (2027), 662 states have call successors, (662), 186 states have call predecessors, (662), 186 states have return successors, (664), 659 states have call predecessors, (664), 660 states have call successors, (664) [2021-12-22 16:02:42,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 3353 transitions. [2021-12-22 16:02:42,351 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 3353 transitions. Word has length 127 [2021-12-22 16:02:42,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:42,351 INFO L470 AbstractCegarLoop]: Abstraction has 2538 states and 3353 transitions. [2021-12-22 16:02:42,352 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) [2021-12-22 16:02:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3353 transitions. [2021-12-22 16:02:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-22 16:02:42,354 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:42,354 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] [2021-12-22 16:02:42,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 16:02:42,355 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:42,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:42,355 INFO L85 PathProgramCache]: Analyzing trace with hash 997131382, now seen corresponding path program 1 times [2021-12-22 16:02:42,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:42,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97483440] [2021-12-22 16:02:42,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:42,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 16:02:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 16:02:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 16:02:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:02:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 16:02:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 16:02:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:02:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 16:02:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-22 16:02:42,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:42,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97483440] [2021-12-22 16:02:42,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97483440] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:42,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:42,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:42,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9822939] [2021-12-22 16:02:42,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:42,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:42,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:42,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:42,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:42,668 INFO L87 Difference]: Start difference. First operand 2538 states and 3353 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:02:44,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:44,619 INFO L93 Difference]: Finished difference Result 5082 states and 6749 transitions. [2021-12-22 16:02:44,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:44,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2021-12-22 16:02:44,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:44,632 INFO L225 Difference]: With dead ends: 5082 [2021-12-22 16:02:44,632 INFO L226 Difference]: Without dead ends: 2583 [2021-12-22 16:02:44,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:02:44,642 INFO L933 BasicCegarLoop]: 1786 mSDtfsCounter, 3031 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 1752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 3446 SdHoareTripleChecker+Invalid, 2961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1752 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:44,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3291 Valid, 3446 Invalid, 2961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1752 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-22 16:02:44,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2583 states. [2021-12-22 16:02:44,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2583 to 2532. [2021-12-22 16:02:44,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2532 states, 1665 states have (on average 1.212012012012012) internal successors, (2018), 1726 states have internal predecessors, (2018), 662 states have call successors, (662), 186 states have call predecessors, (662), 186 states have return successors, (664), 659 states have call predecessors, (664), 660 states have call successors, (664) [2021-12-22 16:02:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 3344 transitions. [2021-12-22 16:02:44,837 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 3344 transitions. Word has length 171 [2021-12-22 16:02:44,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:44,841 INFO L470 AbstractCegarLoop]: Abstraction has 2532 states and 3344 transitions. [2021-12-22 16:02:44,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:02:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3344 transitions. [2021-12-22 16:02:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-22 16:02:44,844 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:44,844 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 16:02:44,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 16:02:44,845 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-22 16:02:44,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:44,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1008346903, now seen corresponding path program 1 times [2021-12-22 16:02:44,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:44,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009624467] [2021-12-22 16:02:44,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:44,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 16:02:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:02:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:02:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:02:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:02:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:02:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:02:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 16:02:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 16:02:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 16:02:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 16:02:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-22 16:02:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 16:02:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:02:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 16:02:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-12-22 16:02:45,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:45,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009624467] [2021-12-22 16:02:45,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009624467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:45,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:45,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 16:02:45,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001978572] [2021-12-22 16:02:45,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:45,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 16:02:45,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:45,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 16:02:45,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-22 16:02:45,190 INFO L87 Difference]: Start difference. First operand 2532 states and 3344 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)