./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 ae007674 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-ae00767 [2021-12-28 05:20:15,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:20:15,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:20:15,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:20:15,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:20:15,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:20:15,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:20:15,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:20:15,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:20:15,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:20:15,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:20:15,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:20:15,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:20:15,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:20:15,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:20:15,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:20:15,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:20:15,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:20:15,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:20:15,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:20:15,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:20:15,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:20:15,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:20:15,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:20:15,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:20:15,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:20:15,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:20:15,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:20:15,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:20:15,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:20:15,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:20:15,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:20:15,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:20:15,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:20:15,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:20:15,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:20:15,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:20:15,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:20:15,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:20:15,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:20:15,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:20:15,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:20:15,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:20:15,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:20:15,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:20:15,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:20:15,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:20:15,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:20:15,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:20:15,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:20:15,698 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:20:15,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:20:15,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:20:15,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:20:15,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:20:15,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:20:15,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:20:15,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:20:15,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:20:15,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:20:15,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:20:15,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:20:15,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:20:15,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:20:15,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:20:15,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:20:15,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:20:15,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:20:15,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:20:15,701 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:20:15,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:20:15,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:20:15,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 [2021-12-28 05:20:15,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:20:15,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:20:15,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:20:15,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:20:15,969 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:20:15,970 INFO L432 ainManager$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 [2021-12-28 05:20:16,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1624078d4/c0b93b0cefc24b7bbf22dca6cdca620b/FLAGf150bce27 [2021-12-28 05:20:16,659 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:20:16,659 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 [2021-12-28 05:20:16,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1624078d4/c0b93b0cefc24b7bbf22dca6cdca620b/FLAGf150bce27 [2021-12-28 05:20:16,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1624078d4/c0b93b0cefc24b7bbf22dca6cdca620b [2021-12-28 05:20:16,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:20:16,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:20:16,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:20:16,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:20:16,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:20:16,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:20:16" (1/1) ... [2021-12-28 05:20:16,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a995c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:16, skipping insertion in model container [2021-12-28 05:20:16,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:20:16" (1/1) ... [2021-12-28 05:20:16,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:20:16,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:20:18,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-12-28 05:20:18,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-12-28 05:20:18,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-12-28 05:20:18,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-12-28 05:20:18,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-12-28 05:20:18,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-12-28 05:20:18,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-12-28 05:20:18,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-12-28 05:20:18,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-12-28 05:20:18,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-12-28 05:20:18,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-12-28 05:20:18,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-12-28 05:20:18,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-12-28 05:20:18,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-12-28 05:20:18,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-12-28 05:20:18,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-12-28 05:20:18,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-12-28 05:20:18,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-12-28 05:20:18,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-12-28 05:20:18,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-12-28 05:20:18,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-12-28 05:20:18,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-12-28 05:20:18,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-12-28 05:20:18,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-12-28 05:20:18,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-12-28 05:20:18,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-12-28 05:20:18,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-12-28 05:20:18,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-12-28 05:20:18,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-12-28 05:20:18,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-12-28 05:20:18,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-12-28 05:20:18,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-12-28 05:20:18,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-12-28 05:20:18,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-12-28 05:20:18,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-12-28 05:20:18,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-12-28 05:20:18,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-12-28 05:20:18,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-12-28 05:20:18,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-12-28 05:20:18,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-12-28 05:20:18,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-12-28 05:20:18,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-12-28 05:20:18,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-12-28 05:20:18,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-12-28 05:20:18,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-12-28 05:20:18,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-12-28 05:20:18,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-12-28 05:20:18,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-12-28 05:20:18,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349656,349669] [2021-12-28 05:20:18,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349799,349812] [2021-12-28 05:20:18,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349943,349956] [2021-12-28 05:20:18,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350086,350099] [2021-12-28 05:20:18,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:18,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:20:18,899 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:20:19,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341006,341019] [2021-12-28 05:20:19,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341151,341164] [2021-12-28 05:20:19,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341297,341310] [2021-12-28 05:20:19,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341462,341475] [2021-12-28 05:20:19,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341620,341633] [2021-12-28 05:20:19,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341778,341791] [2021-12-28 05:20:19,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[341936,341949] [2021-12-28 05:20:19,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342096,342109] [2021-12-28 05:20:19,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-12-28 05:20:19,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-12-28 05:20:19,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-12-28 05:20:19,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-12-28 05:20:19,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-12-28 05:20:19,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-12-28 05:20:19,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-12-28 05:20:19,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-12-28 05:20:19,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-12-28 05:20:19,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-12-28 05:20:19,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-12-28 05:20:19,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-12-28 05:20:19,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-12-28 05:20:19,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-12-28 05:20:19,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-12-28 05:20:19,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-12-28 05:20:19,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-12-28 05:20:19,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-12-28 05:20:19,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-12-28 05:20:19,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-12-28 05:20:19,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-12-28 05:20:19,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-12-28 05:20:19,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-12-28 05:20:19,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-12-28 05:20:19,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-12-28 05:20:19,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-12-28 05:20:19,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-12-28 05:20:19,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-12-28 05:20:19,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-12-28 05:20:19,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-12-28 05:20:19,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-12-28 05:20:19,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-12-28 05:20:19,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-12-28 05:20:19,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-12-28 05:20:19,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-12-28 05:20:19,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-12-28 05:20:19,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-12-28 05:20:19,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-12-28 05:20:19,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-12-28 05:20:19,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-12-28 05:20:19,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-12-28 05:20:19,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-12-28 05:20:19,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-12-28 05:20:19,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348862,348875] [2021-12-28 05:20:19,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349029,349042] [2021-12-28 05:20:19,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349189,349202] [2021-12-28 05:20:19,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349351,349364] [2021-12-28 05:20:19,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[349510,349523] [2021-12-28 05:20:19,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350230,350243] [2021-12-28 05:20:19,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-12-28 05:20:19,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-12-28 05:20:19,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-12-28 05:20:19,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-12-28 05:20:19,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-12-28 05:20:19,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-28 05:20:19,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-12-28 05:20:19,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-12-28 05:20:19,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-12-28 05:20:19,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-12-28 05:20:19,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-12-28 05:20:19,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-12-28 05:20:19,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-12-28 05:20:19,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-12-28 05:20:19,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-12-28 05:20:19,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-12-28 05:20:19,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-12-28 05:20:19,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-12-28 05:20:19,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-12-28 05:20:19,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-12-28 05:20:19,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-12-28 05:20:19,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:20:19,348 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:20:19,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19 WrapperNode [2021-12-28 05:20:19,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:20:19,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:20:19,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:20:19,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:20:19,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,596 INFO L137 Inliner]: procedures = 609, calls = 2320, calls flagged for inlining = 291, calls inlined = 202, statements flattened = 4611 [2021-12-28 05:20:19,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:20:19,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:20:19,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:20:19,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:20:19,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:20:19,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:20:19,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:20:19,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:20:19,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (1/1) ... [2021-12-28 05:20:19,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:20:19,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:20:19,873 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) [2021-12-28 05:20:19,892 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 [2021-12-28 05:20:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-28 05:20:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-28 05:20:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-28 05:20:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-28 05:20:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:20:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:20:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2021-12-28 05:20:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2021-12-28 05:20:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:20:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:20:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-28 05:20:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-28 05:20:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-28 05:20:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-28 05:20:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-28 05:20:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-28 05:20:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-28 05:20:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-28 05:20:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 05:20:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_create_group [2021-12-28 05:20:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_create_group [2021-12-28 05:20:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2021-12-28 05:20:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2021-12-28 05:20:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:20:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:20:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:20:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:20:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-28 05:20:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-28 05:20:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:20:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-28 05:20:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-28 05:20:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2021-12-28 05:20:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2021-12-28 05:20:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:20:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:20:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-28 05:20:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-28 05:20:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:20:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:20:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-12-28 05:20:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-12-28 05:20:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-28 05:20:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-28 05:20:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:20:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_store [2021-12-28 05:20:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_store [2021-12-28 05:20:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-28 05:20:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-28 05:20:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-28 05:20:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-28 05:20:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2021-12-28 05:20:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2021-12-28 05:20:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:20:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:20:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-28 05:20:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-28 05:20:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2021-12-28 05:20:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2021-12-28 05:20:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 05:20:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 05:20:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 05:20:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 05:20:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_completion_94 [2021-12-28 05:20:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_completion_94 [2021-12-28 05:20:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-28 05:20:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-28 05:20:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-12-28 05:20:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-12-28 05:20:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2021-12-28 05:20:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2021-12-28 05:20:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-28 05:20:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-28 05:20:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:20:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2021-12-28 05:20:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2021-12-28 05:20:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-28 05:20:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-28 05:20:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:20:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2021-12-28 05:20:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2021-12-28 05:20:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:20:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:20:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:20:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:20:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:20:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-28 05:20:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-28 05:20:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2021-12-28 05:20:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2021-12-28 05:20:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-28 05:20:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-28 05:20:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-12-28 05:20:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-12-28 05:20:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_write_ofn_config [2021-12-28 05:20:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_write_ofn_config [2021-12-28 05:20:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-28 05:20:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-28 05:20:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-12-28 05:20:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-12-28 05:20:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2021-12-28 05:20:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2021-12-28 05:20:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:20:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:20:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 05:20:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 05:20:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-28 05:20:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-28 05:20:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:20:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:20:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:20:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:20:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-28 05:20:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-28 05:20:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-12-28 05:20:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-12-28 05:20:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-28 05:20:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-28 05:20:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2021-12-28 05:20:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2021-12-28 05:20:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-28 05:20:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-28 05:20:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_reg_addr_store [2021-12-28 05:20:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_reg_addr_store [2021-12-28 05:20:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:20:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:20:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-28 05:20:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-28 05:20:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-28 05:20:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-28 05:20:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-28 05:20:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-28 05:20:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2021-12-28 05:20:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2021-12-28 05:20:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-28 05:20:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-28 05:20:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:20:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-28 05:20:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-28 05:20:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2021-12-28 05:20:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2021-12-28 05:20:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:20:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-28 05:20:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-28 05:20:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-12-28 05:20:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-12-28 05:20:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-28 05:20:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-28 05:20:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-28 05:20:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-28 05:20:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2021-12-28 05:20:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2021-12-28 05:20:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:20:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-28 05:20:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-28 05:20:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_read_ofn_config [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_read_ofn_config [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 05:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-28 05:20:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_show [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_show [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-28 05:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-12-28 05:20:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-12-28 05:20:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2021-12-28 05:20:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2021-12-28 05:20:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-28 05:20:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-28 05:20:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-12-28 05:20:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-12-28 05:20:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2021-12-28 05:20:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2021-12-28 05:20:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:20:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:20:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-28 05:20:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-28 05:20:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:20:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2021-12-28 05:20:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2021-12-28 05:20:20,562 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:20:20,566 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:20:20,692 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:20:22,569 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:20:22,586 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:20:22,586 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 05:20:22,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:20:22 BoogieIcfgContainer [2021-12-28 05:20:22,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:20:22,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:20:22,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:20:22,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:20:22,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:20:16" (1/3) ... [2021-12-28 05:20:22,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a526c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:20:22, skipping insertion in model container [2021-12-28 05:20:22,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:20:19" (2/3) ... [2021-12-28 05:20:22,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a526c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:20:22, skipping insertion in model container [2021-12-28 05:20:22,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:20:22" (3/3) ... [2021-12-28 05:20:22,597 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-12-28 05:20:22,600 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:20:22,601 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-12-28 05:20:22,632 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:20:22,636 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 [2021-12-28 05:20:22,636 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-12-28 05:20:22,671 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) [2021-12-28 05:20:22,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-28 05:20:22,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:22,680 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] [2021-12-28 05:20:22,680 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)] === [2021-12-28 05:20:22,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:22,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1443060829, now seen corresponding path program 1 times [2021-12-28 05:20:22,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:22,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019086437] [2021-12-28 05:20:22,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:22,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:23,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:23,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019086437] [2021-12-28 05:20:23,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019086437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:23,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:23,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:23,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644761855] [2021-12-28 05:20:23,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:23,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:23,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:23,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:23,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:23,193 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) [2021-12-28 05:20:25,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:25,531 INFO L93 Difference]: Finished difference Result 2933 states and 4046 transitions. [2021-12-28 05:20:25,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:25,533 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 [2021-12-28 05:20:25,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:25,547 INFO L225 Difference]: With dead ends: 2933 [2021-12-28 05:20:25,547 INFO L226 Difference]: Without dead ends: 1475 [2021-12-28 05:20:25,556 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 [2021-12-28 05:20:25,558 INFO L933 BasicCegarLoop]: 1830 mSDtfsCounter, 2704 mSDsluCounter, 1898 mSDsCounter, 0 mSdLazyCounter, 1794 mSolverCounterSat, 1252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 3728 SdHoareTripleChecker+Invalid, 3046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1252 IncrementalHoareTripleChecker+Valid, 1794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:25,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2956 Valid, 3728 Invalid, 3046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1252 Valid, 1794 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-28 05:20:25,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-12-28 05:20:25,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-12-28 05:20:25,639 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) [2021-12-28 05:20:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1939 transitions. [2021-12-28 05:20:25,648 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1939 transitions. Word has length 71 [2021-12-28 05:20:25,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:25,649 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 1939 transitions. [2021-12-28 05:20:25,649 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) [2021-12-28 05:20:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1939 transitions. [2021-12-28 05:20:25,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-28 05:20:25,652 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:25,652 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] [2021-12-28 05:20:25,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:20:25,652 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)] === [2021-12-28 05:20:25,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:25,653 INFO L85 PathProgramCache]: Analyzing trace with hash -191390958, now seen corresponding path program 1 times [2021-12-28 05:20:25,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:25,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794124938] [2021-12-28 05:20:25,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:25,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:25,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:25,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794124938] [2021-12-28 05:20:25,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794124938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:25,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:25,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:25,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750554343] [2021-12-28 05:20:25,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:25,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:25,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:25,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:25,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:25,866 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) [2021-12-28 05:20:28,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:28,044 INFO L93 Difference]: Finished difference Result 1475 states and 1939 transitions. [2021-12-28 05:20:28,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:28,045 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 [2021-12-28 05:20:28,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:28,053 INFO L225 Difference]: With dead ends: 1475 [2021-12-28 05:20:28,053 INFO L226 Difference]: Without dead ends: 1473 [2021-12-28 05:20:28,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-28 05:20:28,055 INFO L933 BasicCegarLoop]: 1814 mSDtfsCounter, 2674 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 3026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:28,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2923 Valid, 3700 Invalid, 3026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-28 05:20:28,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2021-12-28 05:20:28,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1473. [2021-12-28 05:20:28,095 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) [2021-12-28 05:20:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1937 transitions. [2021-12-28 05:20:28,103 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1937 transitions. Word has length 77 [2021-12-28 05:20:28,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:28,104 INFO L470 AbstractCegarLoop]: Abstraction has 1473 states and 1937 transitions. [2021-12-28 05:20:28,104 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) [2021-12-28 05:20:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1937 transitions. [2021-12-28 05:20:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-28 05:20:28,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:28,106 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] [2021-12-28 05:20:28,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:20:28,106 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)] === [2021-12-28 05:20:28,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:28,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1554937333, now seen corresponding path program 1 times [2021-12-28 05:20:28,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:28,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349128039] [2021-12-28 05:20:28,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:28,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:20:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:28,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:28,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349128039] [2021-12-28 05:20:28,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349128039] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:28,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:28,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:28,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372964011] [2021-12-28 05:20:28,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:28,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:28,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:28,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:28,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:28,314 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) [2021-12-28 05:20:30,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:30,299 INFO L93 Difference]: Finished difference Result 1473 states and 1937 transitions. [2021-12-28 05:20:30,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:30,299 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 [2021-12-28 05:20:30,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:30,305 INFO L225 Difference]: With dead ends: 1473 [2021-12-28 05:20:30,305 INFO L226 Difference]: Without dead ends: 1471 [2021-12-28 05:20:30,306 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 [2021-12-28 05:20:30,306 INFO L933 BasicCegarLoop]: 1812 mSDtfsCounter, 2668 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2916 SdHoareTripleChecker+Valid, 3698 SdHoareTripleChecker+Invalid, 3024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:30,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2916 Valid, 3698 Invalid, 3024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-28 05:20:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2021-12-28 05:20:30,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2021-12-28 05:20:30,337 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) [2021-12-28 05:20:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1935 transitions. [2021-12-28 05:20:30,343 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1935 transitions. Word has length 83 [2021-12-28 05:20:30,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:30,343 INFO L470 AbstractCegarLoop]: Abstraction has 1471 states and 1935 transitions. [2021-12-28 05:20:30,344 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) [2021-12-28 05:20:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1935 transitions. [2021-12-28 05:20:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-28 05:20:30,345 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:30,345 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] [2021-12-28 05:20:30,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:20:30,345 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)] === [2021-12-28 05:20:30,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:30,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1601048255, now seen corresponding path program 1 times [2021-12-28 05:20:30,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:30,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792963413] [2021-12-28 05:20:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:30,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:20:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:20:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:30,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:30,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792963413] [2021-12-28 05:20:30,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792963413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:30,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:30,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:30,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342633739] [2021-12-28 05:20:30,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:30,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:30,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:30,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:30,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:30,560 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) [2021-12-28 05:20:32,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:32,516 INFO L93 Difference]: Finished difference Result 1471 states and 1935 transitions. [2021-12-28 05:20:32,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:32,517 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 [2021-12-28 05:20:32,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:32,522 INFO L225 Difference]: With dead ends: 1471 [2021-12-28 05:20:32,522 INFO L226 Difference]: Without dead ends: 1469 [2021-12-28 05:20:32,523 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 [2021-12-28 05:20:32,525 INFO L933 BasicCegarLoop]: 1810 mSDtfsCounter, 2662 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2909 SdHoareTripleChecker+Valid, 3696 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:32,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2909 Valid, 3696 Invalid, 3022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1776 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-28 05:20:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2021-12-28 05:20:32,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2021-12-28 05:20:32,554 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) [2021-12-28 05:20:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1933 transitions. [2021-12-28 05:20:32,563 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1933 transitions. Word has length 89 [2021-12-28 05:20:32,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:32,564 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 1933 transitions. [2021-12-28 05:20:32,564 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) [2021-12-28 05:20:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1933 transitions. [2021-12-28 05:20:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-28 05:20:32,568 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:32,568 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] [2021-12-28 05:20:32,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:20:32,568 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)] === [2021-12-28 05:20:32,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:32,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1359531351, now seen corresponding path program 1 times [2021-12-28 05:20:32,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:32,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818164625] [2021-12-28 05:20:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:32,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:20:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:20:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:20:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:32,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:32,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818164625] [2021-12-28 05:20:32,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818164625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:32,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:32,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:32,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645154649] [2021-12-28 05:20:32,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:32,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:32,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:32,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:32,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:32,768 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) [2021-12-28 05:20:34,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:34,841 INFO L93 Difference]: Finished difference Result 1469 states and 1933 transitions. [2021-12-28 05:20:34,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:34,841 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 [2021-12-28 05:20:34,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:34,847 INFO L225 Difference]: With dead ends: 1469 [2021-12-28 05:20:34,848 INFO L226 Difference]: Without dead ends: 1467 [2021-12-28 05:20:34,849 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 [2021-12-28 05:20:34,849 INFO L933 BasicCegarLoop]: 1808 mSDtfsCounter, 2656 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 3694 SdHoareTripleChecker+Invalid, 3020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:34,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2902 Valid, 3694 Invalid, 3020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-28 05:20:34,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2021-12-28 05:20:34,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2021-12-28 05:20:34,921 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) [2021-12-28 05:20:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1931 transitions. [2021-12-28 05:20:34,930 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1931 transitions. Word has length 95 [2021-12-28 05:20:34,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:34,931 INFO L470 AbstractCegarLoop]: Abstraction has 1467 states and 1931 transitions. [2021-12-28 05:20:34,932 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) [2021-12-28 05:20:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1931 transitions. [2021-12-28 05:20:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-28 05:20:34,933 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:34,933 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] [2021-12-28 05:20:34,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 05:20:34,935 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)] === [2021-12-28 05:20:34,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:34,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1567667439, now seen corresponding path program 1 times [2021-12-28 05:20:34,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:34,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273084457] [2021-12-28 05:20:34,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:34,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:20:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:20:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:20:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:20:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:35,181 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:35,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:35,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273084457] [2021-12-28 05:20:35,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273084457] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:35,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:35,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:35,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686447136] [2021-12-28 05:20:35,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:35,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:35,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:35,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:35,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:35,184 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) [2021-12-28 05:20:37,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:37,065 INFO L93 Difference]: Finished difference Result 1467 states and 1931 transitions. [2021-12-28 05:20:37,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:37,065 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 [2021-12-28 05:20:37,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:37,072 INFO L225 Difference]: With dead ends: 1467 [2021-12-28 05:20:37,072 INFO L226 Difference]: Without dead ends: 1465 [2021-12-28 05:20:37,072 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 [2021-12-28 05:20:37,073 INFO L933 BasicCegarLoop]: 1806 mSDtfsCounter, 2650 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2895 SdHoareTripleChecker+Valid, 3692 SdHoareTripleChecker+Invalid, 3018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:37,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2895 Valid, 3692 Invalid, 3018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-28 05:20:37,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2021-12-28 05:20:37,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1465. [2021-12-28 05:20:37,117 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) [2021-12-28 05:20:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1929 transitions. [2021-12-28 05:20:37,126 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1929 transitions. Word has length 101 [2021-12-28 05:20:37,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:37,126 INFO L470 AbstractCegarLoop]: Abstraction has 1465 states and 1929 transitions. [2021-12-28 05:20:37,126 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) [2021-12-28 05:20:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1929 transitions. [2021-12-28 05:20:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-28 05:20:37,128 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:37,128 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] [2021-12-28 05:20:37,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 05:20:37,129 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)] === [2021-12-28 05:20:37,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:37,129 INFO L85 PathProgramCache]: Analyzing trace with hash -960086196, now seen corresponding path program 1 times [2021-12-28 05:20:37,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:37,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127469162] [2021-12-28 05:20:37,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:37,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:20:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:20:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:20:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:20:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:20:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:37,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:37,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127469162] [2021-12-28 05:20:37,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127469162] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:37,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:37,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:37,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877692797] [2021-12-28 05:20:37,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:37,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:37,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:37,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:37,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:37,338 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) [2021-12-28 05:20:40,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:40,917 INFO L93 Difference]: Finished difference Result 2692 states and 3514 transitions. [2021-12-28 05:20:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 05:20:40,918 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 [2021-12-28 05:20:40,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:40,932 INFO L225 Difference]: With dead ends: 2692 [2021-12-28 05:20:40,932 INFO L226 Difference]: Without dead ends: 2690 [2021-12-28 05:20:40,934 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 [2021-12-28 05:20:40,936 INFO L933 BasicCegarLoop]: 2194 mSDtfsCounter, 3684 mSDsluCounter, 2816 mSDsCounter, 0 mSdLazyCounter, 3678 mSolverCounterSat, 1969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3924 SdHoareTripleChecker+Valid, 5010 SdHoareTripleChecker+Invalid, 5647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1969 IncrementalHoareTripleChecker+Valid, 3678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:40,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3924 Valid, 5010 Invalid, 5647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1969 Valid, 3678 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-28 05:20:40,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2021-12-28 05:20:41,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2546. [2021-12-28 05:20:41,021 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) [2021-12-28 05:20:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3364 transitions. [2021-12-28 05:20:41,029 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3364 transitions. Word has length 107 [2021-12-28 05:20:41,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:41,030 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 3364 transitions. [2021-12-28 05:20:41,030 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) [2021-12-28 05:20:41,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3364 transitions. [2021-12-28 05:20:41,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-28 05:20:41,033 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:41,033 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] [2021-12-28 05:20:41,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 05:20:41,034 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)] === [2021-12-28 05:20:41,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:41,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1041772623, now seen corresponding path program 1 times [2021-12-28 05:20:41,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:41,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605999727] [2021-12-28 05:20:41,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:41,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:20:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:20:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:20:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:20:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:20:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 05:20:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:41,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:41,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605999727] [2021-12-28 05:20:41,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605999727] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:41,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:41,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:41,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807052332] [2021-12-28 05:20:41,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:41,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:41,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:41,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:41,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:41,295 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) [2021-12-28 05:20:43,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:43,307 INFO L93 Difference]: Finished difference Result 2546 states and 3364 transitions. [2021-12-28 05:20:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:43,308 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 [2021-12-28 05:20:43,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:43,318 INFO L225 Difference]: With dead ends: 2546 [2021-12-28 05:20:43,318 INFO L226 Difference]: Without dead ends: 2544 [2021-12-28 05:20:43,319 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 [2021-12-28 05:20:43,320 INFO L933 BasicCegarLoop]: 1804 mSDtfsCounter, 2648 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1766 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 3690 SdHoareTripleChecker+Invalid, 3012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:43,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2891 Valid, 3690 Invalid, 3012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1766 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-28 05:20:43,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2021-12-28 05:20:43,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2544. [2021-12-28 05:20:43,406 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) [2021-12-28 05:20:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3362 transitions. [2021-12-28 05:20:43,413 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3362 transitions. Word has length 113 [2021-12-28 05:20:43,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:43,414 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3362 transitions. [2021-12-28 05:20:43,414 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) [2021-12-28 05:20:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3362 transitions. [2021-12-28 05:20:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-28 05:20:43,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:43,416 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] [2021-12-28 05:20:43,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 05:20:43,417 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)] === [2021-12-28 05:20:43,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:43,417 INFO L85 PathProgramCache]: Analyzing trace with hash -415972780, now seen corresponding path program 1 times [2021-12-28 05:20:43,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:43,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131837967] [2021-12-28 05:20:43,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:43,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:20:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:20:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:20:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:20:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:20:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 05:20:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:43,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:43,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131837967] [2021-12-28 05:20:43,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131837967] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:43,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:43,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:43,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943611634] [2021-12-28 05:20:43,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:43,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:43,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:43,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:43,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:43,649 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) [2021-12-28 05:20:45,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:45,611 INFO L93 Difference]: Finished difference Result 2544 states and 3362 transitions. [2021-12-28 05:20:45,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:45,613 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 [2021-12-28 05:20:45,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:45,622 INFO L225 Difference]: With dead ends: 2544 [2021-12-28 05:20:45,622 INFO L226 Difference]: Without dead ends: 2542 [2021-12-28 05:20:45,623 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 [2021-12-28 05:20:45,623 INFO L933 BasicCegarLoop]: 1802 mSDtfsCounter, 2636 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 3688 SdHoareTripleChecker+Invalid, 3014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:45,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2879 Valid, 3688 Invalid, 3014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1768 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-28 05:20:45,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2021-12-28 05:20:45,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2542. [2021-12-28 05:20:45,695 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) [2021-12-28 05:20:45,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3360 transitions. [2021-12-28 05:20:45,702 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3360 transitions. Word has length 115 [2021-12-28 05:20:45,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:45,702 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 3360 transitions. [2021-12-28 05:20:45,703 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) [2021-12-28 05:20:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3360 transitions. [2021-12-28 05:20:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-28 05:20:45,704 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:45,704 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] [2021-12-28 05:20:45,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 05:20:45,705 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)] === [2021-12-28 05:20:45,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:45,705 INFO L85 PathProgramCache]: Analyzing trace with hash -14146037, now seen corresponding path program 1 times [2021-12-28 05:20:45,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:45,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880289654] [2021-12-28 05:20:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:45,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-28 05:20:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 05:20:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 05:20:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 05:20:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 05:20:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 05:20:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 05:20:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 05:20:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-28 05:20:45,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:45,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880289654] [2021-12-28 05:20:45,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880289654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:45,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:45,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 05:20:45,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379692972] [2021-12-28 05:20:45,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:45,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 05:20:45,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:45,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 05:20:45,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 05:20:45,979 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) [2021-12-28 05:20:48,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:48,841 INFO L93 Difference]: Finished difference Result 2607 states and 3452 transitions. [2021-12-28 05:20:48,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 05:20:48,842 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 [2021-12-28 05:20:48,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:48,852 INFO L225 Difference]: With dead ends: 2607 [2021-12-28 05:20:48,853 INFO L226 Difference]: Without dead ends: 2605 [2021-12-28 05:20:48,854 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 [2021-12-28 05:20:48,854 INFO L933 BasicCegarLoop]: 1795 mSDtfsCounter, 1691 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 3542 mSolverCounterSat, 1495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1691 SdHoareTripleChecker+Valid, 4986 SdHoareTripleChecker+Invalid, 5037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1495 IncrementalHoareTripleChecker+Valid, 3542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:48,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1691 Valid, 4986 Invalid, 5037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1495 Valid, 3542 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-28 05:20:48,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2021-12-28 05:20:48,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 2548. [2021-12-28 05:20:48,937 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) [2021-12-28 05:20:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 3366 transitions. [2021-12-28 05:20:48,944 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 3366 transitions. Word has length 164 [2021-12-28 05:20:48,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:48,945 INFO L470 AbstractCegarLoop]: Abstraction has 2548 states and 3366 transitions. [2021-12-28 05:20:48,945 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) [2021-12-28 05:20:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3366 transitions. [2021-12-28 05:20:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-28 05:20:48,946 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:48,946 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] [2021-12-28 05:20:48,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-28 05:20:48,947 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)] === [2021-12-28 05:20:48,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:48,947 INFO L85 PathProgramCache]: Analyzing trace with hash -14205619, now seen corresponding path program 1 times [2021-12-28 05:20:48,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:48,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134443222] [2021-12-28 05:20:48,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:48,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-28 05:20:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 05:20:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 05:20:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 05:20:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 05:20:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 05:20:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 05:20:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 05:20:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-28 05:20:49,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:49,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134443222] [2021-12-28 05:20:49,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134443222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:49,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:49,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 05:20:49,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213846260] [2021-12-28 05:20:49,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:49,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 05:20:49,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:49,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 05:20:49,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-28 05:20:49,237 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) [2021-12-28 05:20:52,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:52,754 INFO L93 Difference]: Finished difference Result 5102 states and 6775 transitions. [2021-12-28 05:20:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 05:20:52,754 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 [2021-12-28 05:20:52,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:52,766 INFO L225 Difference]: With dead ends: 5102 [2021-12-28 05:20:52,767 INFO L226 Difference]: Without dead ends: 2593 [2021-12-28 05:20:52,774 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 [2021-12-28 05:20:52,775 INFO L933 BasicCegarLoop]: 1794 mSDtfsCounter, 3065 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 4933 mSolverCounterSat, 1757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 5528 SdHoareTripleChecker+Invalid, 6690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1757 IncrementalHoareTripleChecker+Valid, 4933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:52,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3325 Valid, 5528 Invalid, 6690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1757 Valid, 4933 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-28 05:20:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2021-12-28 05:20:52,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2542. [2021-12-28 05:20:52,860 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) [2021-12-28 05:20:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3357 transitions. [2021-12-28 05:20:52,868 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3357 transitions. Word has length 164 [2021-12-28 05:20:52,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:52,869 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 3357 transitions. [2021-12-28 05:20:52,869 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) [2021-12-28 05:20:52,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3357 transitions. [2021-12-28 05:20:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-28 05:20:52,870 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:52,870 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] [2021-12-28 05:20:52,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-28 05:20:52,870 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)] === [2021-12-28 05:20:52,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:52,871 INFO L85 PathProgramCache]: Analyzing trace with hash -698388096, now seen corresponding path program 1 times [2021-12-28 05:20:52,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:52,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181723537] [2021-12-28 05:20:52,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:52,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:52,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:52,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:20:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:20:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:20:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:20:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:20:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 05:20:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 05:20:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:53,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:53,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181723537] [2021-12-28 05:20:53,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181723537] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:53,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:53,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:53,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813026271] [2021-12-28 05:20:53,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:53,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:53,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:53,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:53,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:53,050 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) [2021-12-28 05:20:54,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:54,929 INFO L93 Difference]: Finished difference Result 2542 states and 3357 transitions. [2021-12-28 05:20:54,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:54,930 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 [2021-12-28 05:20:54,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:54,940 INFO L225 Difference]: With dead ends: 2542 [2021-12-28 05:20:54,940 INFO L226 Difference]: Without dead ends: 2540 [2021-12-28 05:20:54,941 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 [2021-12-28 05:20:54,942 INFO L933 BasicCegarLoop]: 1797 mSDtfsCounter, 2623 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2865 SdHoareTripleChecker+Valid, 3683 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:54,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2865 Valid, 3683 Invalid, 3009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1763 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-28 05:20:54,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2021-12-28 05:20:55,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2540. [2021-12-28 05:20:55,071 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) [2021-12-28 05:20:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 3355 transitions. [2021-12-28 05:20:55,077 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 3355 transitions. Word has length 121 [2021-12-28 05:20:55,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:55,077 INFO L470 AbstractCegarLoop]: Abstraction has 2540 states and 3355 transitions. [2021-12-28 05:20:55,077 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) [2021-12-28 05:20:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 3355 transitions. [2021-12-28 05:20:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-28 05:20:55,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:55,079 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] [2021-12-28 05:20:55,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-28 05:20:55,079 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)] === [2021-12-28 05:20:55,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:55,080 INFO L85 PathProgramCache]: Analyzing trace with hash -317742788, now seen corresponding path program 1 times [2021-12-28 05:20:55,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:55,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690510143] [2021-12-28 05:20:55,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:55,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:20:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:20:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:20:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:20:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:20:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:20:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 05:20:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 05:20:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:20:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:55,243 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:20:55,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:55,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690510143] [2021-12-28 05:20:55,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690510143] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:55,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:55,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:55,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288631027] [2021-12-28 05:20:55,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:55,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:55,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:55,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:55,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:55,245 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) [2021-12-28 05:20:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:57,039 INFO L93 Difference]: Finished difference Result 2540 states and 3355 transitions. [2021-12-28 05:20:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:57,040 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 [2021-12-28 05:20:57,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:57,049 INFO L225 Difference]: With dead ends: 2540 [2021-12-28 05:20:57,050 INFO L226 Difference]: Without dead ends: 2538 [2021-12-28 05:20:57,051 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 [2021-12-28 05:20:57,052 INFO L933 BasicCegarLoop]: 1795 mSDtfsCounter, 2617 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 3681 SdHoareTripleChecker+Invalid, 3007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:57,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2858 Valid, 3681 Invalid, 3007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-28 05:20:57,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2021-12-28 05:20:57,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2538. [2021-12-28 05:20:57,137 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) [2021-12-28 05:20:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 3353 transitions. [2021-12-28 05:20:57,144 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 3353 transitions. Word has length 127 [2021-12-28 05:20:57,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:57,144 INFO L470 AbstractCegarLoop]: Abstraction has 2538 states and 3353 transitions. [2021-12-28 05:20:57,144 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) [2021-12-28 05:20:57,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3353 transitions. [2021-12-28 05:20:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-28 05:20:57,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:57,146 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] [2021-12-28 05:20:57,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-28 05:20:57,147 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)] === [2021-12-28 05:20:57,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:57,147 INFO L85 PathProgramCache]: Analyzing trace with hash 997131382, now seen corresponding path program 1 times [2021-12-28 05:20:57,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:57,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481773895] [2021-12-28 05:20:57,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:57,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-28 05:20:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 05:20:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 05:20:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 05:20:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 05:20:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 05:20:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 05:20:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-28 05:20:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:57,387 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-28 05:20:57,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:57,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481773895] [2021-12-28 05:20:57,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481773895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:57,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:57,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:20:57,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074616179] [2021-12-28 05:20:57,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:57,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:20:57,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:57,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:20:57,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:20:57,389 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) [2021-12-28 05:20:59,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:20:59,147 INFO L93 Difference]: Finished difference Result 5082 states and 6749 transitions. [2021-12-28 05:20:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:20:59,148 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 [2021-12-28 05:20:59,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:20:59,156 INFO L225 Difference]: With dead ends: 5082 [2021-12-28 05:20:59,156 INFO L226 Difference]: Without dead ends: 2583 [2021-12-28 05:20:59,167 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 [2021-12-28 05:20:59,168 INFO L933 BasicCegarLoop]: 1785 mSDtfsCounter, 3031 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 1752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3292 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 3037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1752 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-28 05:20:59,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3292 Valid, 3366 Invalid, 3037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1752 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-28 05:20:59,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2583 states. [2021-12-28 05:20:59,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2583 to 2532. [2021-12-28 05:20:59,252 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) [2021-12-28 05:20:59,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 3344 transitions. [2021-12-28 05:20:59,260 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 3344 transitions. Word has length 171 [2021-12-28 05:20:59,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:20:59,262 INFO L470 AbstractCegarLoop]: Abstraction has 2532 states and 3344 transitions. [2021-12-28 05:20:59,262 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) [2021-12-28 05:20:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3344 transitions. [2021-12-28 05:20:59,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-28 05:20:59,264 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:20:59,264 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] [2021-12-28 05:20:59,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-28 05:20:59,264 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)] === [2021-12-28 05:20:59,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:20:59,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1008346903, now seen corresponding path program 1 times [2021-12-28 05:20:59,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:20:59,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312942447] [2021-12-28 05:20:59,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:20:59,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:20:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:20:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:20:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:20:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:20:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:20:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:20:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:20:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:20:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:20:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 05:20:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 05:20:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 05:20:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 05:20:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-28 05:20:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 05:20:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:20:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:20:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:20:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 05:20:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:20:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-12-28 05:20:59,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:20:59,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312942447] [2021-12-28 05:20:59,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312942447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:20:59,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:20:59,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 05:20:59,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103487968] [2021-12-28 05:20:59,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:20:59,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 05:20:59,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:20:59,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 05:20:59,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-28 05:20:59,513 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) [2021-12-28 05:21:03,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:21:03,953 INFO L93 Difference]: Finished difference Result 3774 states and 4986 transitions. [2021-12-28 05:21:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 05:21:03,954 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 162 [2021-12-28 05:21:03,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:21:03,962 INFO L225 Difference]: With dead ends: 3774 [2021-12-28 05:21:03,962 INFO L226 Difference]: Without dead ends: 3772 [2021-12-28 05:21:03,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-12-28 05:21:03,964 INFO L933 BasicCegarLoop]: 2149 mSDtfsCounter, 3433 mSDsluCounter, 3662 mSDsCounter, 0 mSdLazyCounter, 5432 mSolverCounterSat, 2219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3666 SdHoareTripleChecker+Valid, 5811 SdHoareTripleChecker+Invalid, 7651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2219 IncrementalHoareTripleChecker+Valid, 5432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 05:21:03,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3666 Valid, 5811 Invalid, 7651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2219 Valid, 5432 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 05:21:03,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2021-12-28 05:21:04,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3666. [2021-12-28 05:21:04,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3666 states, 2419 states have (on average 1.2153782554774701) internal successors, (2940), 2518 states have internal predecessors, (2940), 954 states have call successors, (954), 278 states have call predecessors, (954), 274 states have return successors, (968), 925 states have call predecessors, (968), 952 states have call successors, (968) [2021-12-28 05:21:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3666 states and 4862 transitions. [2021-12-28 05:21:04,086 INFO L78 Accepts]: Start accepts. Automaton has 3666 states and 4862 transitions. Word has length 162 [2021-12-28 05:21:04,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:21:04,086 INFO L470 AbstractCegarLoop]: Abstraction has 3666 states and 4862 transitions. [2021-12-28 05:21:04,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-28 05:21:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 4862 transitions. [2021-12-28 05:21:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-28 05:21:04,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:21:04,088 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:21:04,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-28 05:21:04,088 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_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)] === [2021-12-28 05:21:04,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:21:04,089 INFO L85 PathProgramCache]: Analyzing trace with hash -55283042, now seen corresponding path program 1 times [2021-12-28 05:21:04,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:21:04,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484537958] [2021-12-28 05:21:04,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:21:04,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:21:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:21:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:21:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:21:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:21:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:21:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:21:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:21:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:21:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:21:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:21:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:21:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:21:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:21:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:21:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:21:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:21:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 05:21:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 05:21:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:21:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 05:21:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:21:04,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:21:04,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484537958] [2021-12-28 05:21:04,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484537958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:21:04,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:21:04,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:21:04,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775464068] [2021-12-28 05:21:04,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:21:04,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:21:04,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:21:04,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:21:04,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:21:04,253 INFO L87 Difference]: Start difference. First operand 3666 states and 4862 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 05:21:06,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:21:06,156 INFO L93 Difference]: Finished difference Result 3666 states and 4862 transitions. [2021-12-28 05:21:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:21:06,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2021-12-28 05:21:06,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:21:06,169 INFO L225 Difference]: With dead ends: 3666 [2021-12-28 05:21:06,170 INFO L226 Difference]: Without dead ends: 3664 [2021-12-28 05:21:06,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-28 05:21:06,171 INFO L933 BasicCegarLoop]: 1788 mSDtfsCounter, 2596 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 3674 SdHoareTripleChecker+Invalid, 3000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-28 05:21:06,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2836 Valid, 3674 Invalid, 3000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1754 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-28 05:21:06,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3664 states. [2021-12-28 05:21:06,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3664 to 3664. [2021-12-28 05:21:06,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3664 states, 2418 states have (on average 1.2146401985111663) internal successors, (2937), 2516 states have internal predecessors, (2937), 954 states have call successors, (954), 278 states have call predecessors, (954), 274 states have return successors, (968), 925 states have call predecessors, (968), 952 states have call successors, (968) [2021-12-28 05:21:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3664 states and 4859 transitions. [2021-12-28 05:21:06,302 INFO L78 Accepts]: Start accepts. Automaton has 3664 states and 4859 transitions. Word has length 133 [2021-12-28 05:21:06,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:21:06,302 INFO L470 AbstractCegarLoop]: Abstraction has 3664 states and 4859 transitions. [2021-12-28 05:21:06,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-28 05:21:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 4859 transitions. [2021-12-28 05:21:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-28 05:21:06,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:21:06,304 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:21:06,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-28 05:21:06,304 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_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)] === [2021-12-28 05:21:06,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:21:06,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1607864734, now seen corresponding path program 1 times [2021-12-28 05:21:06,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:21:06,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147159848] [2021-12-28 05:21:06,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:21:06,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:21:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:21:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:21:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:21:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:21:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:21:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:21:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:21:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:21:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:21:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:21:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:21:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:21:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:21:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:21:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:21:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:21:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 05:21:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 05:21:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:21:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 05:21:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 05:21:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:21:06,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:21:06,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147159848] [2021-12-28 05:21:06,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147159848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:21:06,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:21:06,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:21:06,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444338005] [2021-12-28 05:21:06,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:21:06,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:21:06,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:21:06,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:21:06,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:21:06,468 INFO L87 Difference]: Start difference. First operand 3664 states and 4859 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-28 05:21:08,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:21:08,277 INFO L93 Difference]: Finished difference Result 3664 states and 4859 transitions. [2021-12-28 05:21:08,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:21:08,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2021-12-28 05:21:08,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:21:08,285 INFO L225 Difference]: With dead ends: 3664 [2021-12-28 05:21:08,286 INFO L226 Difference]: Without dead ends: 3662 [2021-12-28 05:21:08,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-28 05:21:08,288 INFO L933 BasicCegarLoop]: 1786 mSDtfsCounter, 2590 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 3672 SdHoareTripleChecker+Invalid, 2998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-28 05:21:08,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2829 Valid, 3672 Invalid, 2998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-28 05:21:08,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2021-12-28 05:21:08,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 3662. [2021-12-28 05:21:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3662 states, 2417 states have (on average 1.2139015308233347) internal successors, (2934), 2514 states have internal predecessors, (2934), 954 states have call successors, (954), 278 states have call predecessors, (954), 274 states have return successors, (968), 925 states have call predecessors, (968), 952 states have call successors, (968) [2021-12-28 05:21:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3662 states to 3662 states and 4856 transitions. [2021-12-28 05:21:08,418 INFO L78 Accepts]: Start accepts. Automaton has 3662 states and 4856 transitions. Word has length 139 [2021-12-28 05:21:08,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:21:08,419 INFO L470 AbstractCegarLoop]: Abstraction has 3662 states and 4856 transitions. [2021-12-28 05:21:08,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-28 05:21:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 4856 transitions. [2021-12-28 05:21:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-28 05:21:08,421 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:21:08,421 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:21:08,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-28 05:21:08,421 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_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)] === [2021-12-28 05:21:08,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:21:08,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1463516612, now seen corresponding path program 1 times [2021-12-28 05:21:08,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:21:08,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236479041] [2021-12-28 05:21:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:21:08,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:21:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:21:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:21:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:21:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:21:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:21:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:21:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:21:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:21:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:21:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:21:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:21:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:21:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 05:21:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 05:21:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:21:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 05:21:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-28 05:21:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 05:21:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 05:21:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 05:21:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-28 05:21:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:21:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-28 05:21:08,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:21:08,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236479041] [2021-12-28 05:21:08,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236479041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:21:08,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:21:08,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:21:08,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882568880] [2021-12-28 05:21:08,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:21:08,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:21:08,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:21:08,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:21:08,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:21:08,627 INFO L87 Difference]: Start difference. First operand 3662 states and 4856 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-28 05:21:10,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:21:10,579 INFO L93 Difference]: Finished difference Result 3662 states and 4856 transitions. [2021-12-28 05:21:10,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:21:10,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2021-12-28 05:21:10,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:21:10,588 INFO L225 Difference]: With dead ends: 3662 [2021-12-28 05:21:10,588 INFO L226 Difference]: Without dead ends: 3660 [2021-12-28 05:21:10,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-28 05:21:10,590 INFO L933 BasicCegarLoop]: 1784 mSDtfsCounter, 2584 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 3670 SdHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-28 05:21:10,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2822 Valid, 3670 Invalid, 2996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-28 05:21:10,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2021-12-28 05:21:10,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 3660. [2021-12-28 05:21:10,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3660 states, 2416 states have (on average 1.213162251655629) internal successors, (2931), 2512 states have internal predecessors, (2931), 954 states have call successors, (954), 278 states have call predecessors, (954), 274 states have return successors, (968), 925 states have call predecessors, (968), 952 states have call successors, (968) [2021-12-28 05:21:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3660 states and 4853 transitions. [2021-12-28 05:21:10,736 INFO L78 Accepts]: Start accepts. Automaton has 3660 states and 4853 transitions. Word has length 145 [2021-12-28 05:21:10,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:21:10,736 INFO L470 AbstractCegarLoop]: Abstraction has 3660 states and 4853 transitions. [2021-12-28 05:21:10,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-28 05:21:10,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 4853 transitions. [2021-12-28 05:21:10,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-28 05:21:10,738 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:21:10,739 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:21:10,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-28 05:21:10,740 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_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)] === [2021-12-28 05:21:10,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:21:10,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1503938958, now seen corresponding path program 1 times [2021-12-28 05:21:10,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:21:10,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102426843] [2021-12-28 05:21:10,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:21:10,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:21:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:21:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-28 05:21:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 05:21:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 05:21:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:21:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 05:21:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 05:21:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:21:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 05:21:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 05:21:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 05:21:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:21:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 05:21:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat