./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 05:22:15,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:22:15,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:22:15,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:22:15,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:22:15,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:22:15,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:22:15,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:22:15,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:22:15,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:22:15,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:22:15,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:22:15,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:22:15,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:22:15,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:22:15,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:22:15,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:22:15,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:22:15,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:22:15,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:22:15,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:22:15,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:22:15,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:22:15,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:22:15,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:22:15,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:22:15,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:22:15,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:22:15,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:22:15,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:22:15,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:22:15,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:22:15,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:22:15,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:22:15,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:22:15,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:22:15,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:22:15,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:22:15,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:22:15,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:22:15,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:22:15,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:22:15,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:22:15,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:22:15,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:22:15,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:22:15,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:22:15,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:22:15,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:22:15,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:22:15,187 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:22:15,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:22:15,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:22:15,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:22:15,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:22:15,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:22:15,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:22:15,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:22:15,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:22:15,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:22:15,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:22:15,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:22:15,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:22:15,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:22:15,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:22:15,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:22:15,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:22:15,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:22:15,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:22:15,190 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:22:15,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:22:15,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:22:15,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:22:15,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0c2b6cb89e48a11e817cc51933cd8194bf8c1187502e8ea2a988dbf620106e5 [2021-12-16 05:22:15,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:22:15,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:22:15,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:22:15,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:22:15,404 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:22:15,405 INFO L432 ainManager$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 [2021-12-16 05:22:15,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f823231/bbd143e198004dc1b369e4d35055ba1f/FLAG1aa7383f1 [2021-12-16 05:22:16,166 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:22:16,167 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 [2021-12-16 05:22:16,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f823231/bbd143e198004dc1b369e4d35055ba1f/FLAG1aa7383f1 [2021-12-16 05:22:16,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9f823231/bbd143e198004dc1b369e4d35055ba1f [2021-12-16 05:22:16,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:22:16,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:22:16,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:22:16,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:22:16,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:22:16,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:22:16" (1/1) ... [2021-12-16 05:22:16,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632dac30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:16, skipping insertion in model container [2021-12-16 05:22:16,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:22:16" (1/1) ... [2021-12-16 05:22:16,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:22:16,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:22:18,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342255,342268] [2021-12-16 05:22:18,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342394,342407] [2021-12-16 05:22:18,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342536,342549] [2021-12-16 05:22:18,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342685,342698] [2021-12-16 05:22:18,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342824,342837] [2021-12-16 05:22:18,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[342979,342992] [2021-12-16 05:22:18,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343139,343152] [2021-12-16 05:22:18,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343290,343303] [2021-12-16 05:22:18,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343441,343454] [2021-12-16 05:22:18,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343593,343606] [2021-12-16 05:22:18,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343742,343755] [2021-12-16 05:22:18,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[343890,343903] [2021-12-16 05:22:18,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344047,344060] [2021-12-16 05:22:18,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344196,344209] [2021-12-16 05:22:18,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344352,344365] [2021-12-16 05:22:18,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344505,344518] [2021-12-16 05:22:18,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344651,344664] [2021-12-16 05:22:18,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344794,344807] [2021-12-16 05:22:18,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[344946,344959] [2021-12-16 05:22:18,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345092,345105] [2021-12-16 05:22:18,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345237,345250] [2021-12-16 05:22:18,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345391,345404] [2021-12-16 05:22:18,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345542,345555] [2021-12-16 05:22:18,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345697,345710] [2021-12-16 05:22:18,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[345849,345862] [2021-12-16 05:22:18,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346004,346017] [2021-12-16 05:22:18,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346168,346181] [2021-12-16 05:22:18,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346324,346337] [2021-12-16 05:22:18,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346488,346501] [2021-12-16 05:22:18,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346630,346643] [2021-12-16 05:22:18,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346788,346801] [2021-12-16 05:22:18,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[346955,346968] [2021-12-16 05:22:18,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347114,347127] [2021-12-16 05:22:18,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347273,347286] [2021-12-16 05:22:18,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347422,347435] [2021-12-16 05:22:18,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347569,347582] [2021-12-16 05:22:18,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347708,347721] [2021-12-16 05:22:18,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[347871,347884] [2021-12-16 05:22:18,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348037,348050] [2021-12-16 05:22:18,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348201,348214] [2021-12-16 05:22:18,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348366,348379] [2021-12-16 05:22:18,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348531,348544] [2021-12-16 05:22:18,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[348697,348710] [2021-12-16 05:22:18,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:18,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350371,350384] [2021-12-16 05:22:18,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350509,350522] [2021-12-16 05:22:18,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350667,350680] [2021-12-16 05:22:18,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350826,350839] [2021-12-16 05:22:18,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[350982,350995] [2021-12-16 05:22:18,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351131,351144] [2021-12-16 05:22:18,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351283,351296] [2021-12-16 05:22:18,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351434,351447] [2021-12-16 05:22:18,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351583,351596] [2021-12-16 05:22:18,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351735,351748] [2021-12-16 05:22:18,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[351883,351896] [2021-12-16 05:22:18,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352036,352049] [2021-12-16 05:22:18,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352187,352200] [2021-12-16 05:22:18,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352337,352350] [2021-12-16 05:22:18,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352484,352497] [2021-12-16 05:22:18,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352635,352648] [2021-12-16 05:22:18,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352786,352799] [2021-12-16 05:22:18,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[352934,352947] [2021-12-16 05:22:18,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353100,353113] [2021-12-16 05:22:18,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353269,353282] [2021-12-16 05:22:18,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353436,353449] [2021-12-16 05:22:18,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353604,353617] [2021-12-16 05:22:18,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353754,353767] [2021-12-16 05:22:18,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[353901,353914] [2021-12-16 05:22:18,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354062,354075] [2021-12-16 05:22:18,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354232,354245] [2021-12-16 05:22:18,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i[354394,354407] [2021-12-16 05:22:18,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:22:18,783 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:22:19,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-16 05:22:19,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:22:19,195 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:22:19,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19 WrapperNode [2021-12-16 05:22:19,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:22:19,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:22:19,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:22:19,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:22:19,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,388 INFO L137 Inliner]: procedures = 609, calls = 2320, calls flagged for inlining = 291, calls inlined = 202, statements flattened = 4611 [2021-12-16 05:22:19,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:22:19,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:22:19,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:22:19,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:22:19,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:22:19,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:22:19,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:22:19,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:22:19,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (1/1) ... [2021-12-16 05:22:19,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:22:19,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:22:19,699 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) [2021-12-16 05:22:19,701 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 [2021-12-16 05:22:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-16 05:22:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-16 05:22:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-16 05:22:19,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-16 05:22:19,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 05:22:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 05:22:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_handle_firmware_update [2021-12-16 05:22:19,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_handle_firmware_update [2021-12-16 05:22:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:22:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:22:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-16 05:22:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-16 05:22:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-16 05:22:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-16 05:22:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-16 05:22:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-16 05:22:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-16 05:22:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-16 05:22:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-16 05:22:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_create_group [2021-12-16 05:22:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_create_group [2021-12-16 05:22:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2021-12-16 05:22:19,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2021-12-16 05:22:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:22:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:22:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:22:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:22:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-16 05:22:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-16 05:22:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:22:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-16 05:22:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-16 05:22:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_bl_command [2021-12-16 05:22:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_bl_command [2021-12-16 05:22:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 05:22:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:22:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-16 05:22:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-16 05:22:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:22:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:22:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-12-16 05:22:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-12-16 05:22:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-16 05:22:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-16 05:22:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:22:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_store [2021-12-16 05:22:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_store [2021-12-16 05:22:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-16 05:22:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-16 05:22:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-16 05:22:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-16 05:22:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_backlight [2021-12-16 05:22:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_backlight [2021-12-16 05:22:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 05:22:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 05:22:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-16 05:22:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-16 05:22:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_resume [2021-12-16 05:22:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_resume [2021-12-16 05:22:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-16 05:22:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-16 05:22:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 05:22:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 05:22:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_completion_94 [2021-12-16 05:22:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_completion_94 [2021-12-16 05:22:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-16 05:22:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-16 05:22:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-12-16 05:22:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-12-16 05:22:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2021-12-16 05:22:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2021-12-16 05:22:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-16 05:22:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-16 05:22:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:22:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_line_setup [2021-12-16 05:22:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_line_setup [2021-12-16 05:22:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-16 05:22:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-16 05:22:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:22:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_stop_io [2021-12-16 05:22:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_stop_io [2021-12-16 05:22:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:22:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:22:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:22:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:22:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:22:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-16 05:22:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-16 05:22:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2021-12-16 05:22:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_mutex_of_ims_pcu [2021-12-16 05:22:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-16 05:22:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-16 05:22:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-12-16 05:22:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-12-16 05:22:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_write_ofn_config [2021-12-16 05:22:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_write_ofn_config [2021-12-16 05:22:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-16 05:22:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-16 05:22:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-12-16 05:22:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-12-16 05:22:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_disconnect [2021-12-16 05:22:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_disconnect [2021-12-16 05:22:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:22:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:22:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-16 05:22:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-16 05:22:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-16 05:22:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-16 05:22:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 05:22:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 05:22:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:22:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:22:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-16 05:22:19,757 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-16 05:22:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-12-16 05:22:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-12-16 05:22:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-16 05:22:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-16 05:22:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_get_info [2021-12-16 05:22:19,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_get_info [2021-12-16 05:22:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-16 05:22:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-16 05:22:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_reg_addr_store [2021-12-16 05:22:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_reg_addr_store [2021-12-16 05:22:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 05:22:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 05:22:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-16 05:22:19,759 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-16 05:22:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-16 05:22:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-16 05:22:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-16 05:22:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-16 05:22:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2021-12-16 05:22:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_cmd_mutex_of_ims_pcu [2021-12-16 05:22:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-16 05:22:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-16 05:22:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:22:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-16 05:22:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-16 05:22:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_buffers_free [2021-12-16 05:22:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_buffers_free [2021-12-16 05:22:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:22:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-16 05:22:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-16 05:22:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-12-16 05:22:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-12-16 05:22:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-16 05:22:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-16 05:22:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-16 05:22:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-16 05:22:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2021-12-16 05:22:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_mutex_of_ims_pcu [2021-12-16 05:22:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:22:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-16 05:22:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2021-12-16 05:22:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 05:22:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 05:22:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 05:22:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 05:22:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-16 05:22:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-16 05:22:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure __ims_pcu_execute_command [2021-12-16 05:22:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __ims_pcu_execute_command [2021-12-16 05:22:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-16 05:22:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-16 05:22:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:22:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:22:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-16 05:22:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-16 05:22:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 05:22:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 05:22:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_read_ofn_config [2021-12-16 05:22:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_read_ofn_config [2021-12-16 05:22:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-16 05:22:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-16 05:22:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-16 05:22:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-16 05:22:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-16 05:22:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-16 05:22:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-16 05:22:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-16 05:22:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-16 05:22:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-16 05:22:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-16 05:22:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-16 05:22:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_ofn_bit_show [2021-12-16 05:22:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_ofn_bit_show [2021-12-16 05:22:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-16 05:22:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-16 05:22:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_destroy_buttons [2021-12-16 05:22:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_destroy_buttons [2021-12-16 05:22:19,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-16 05:22:19,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-16 05:22:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 05:22:19,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 05:22:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-16 05:22:19,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-16 05:22:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_start_io [2021-12-16 05:22:19,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_start_io [2021-12-16 05:22:19,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:22:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-16 05:22:19,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-16 05:22:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_send_cmd_chunk [2021-12-16 05:22:19,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_send_cmd_chunk [2021-12-16 05:22:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:22:19,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:22:19,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-16 05:22:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-16 05:22:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-12-16 05:22:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-12-16 05:22:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure ims_pcu_byte_needs_escape [2021-12-16 05:22:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ims_pcu_byte_needs_escape [2021-12-16 05:22:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-16 05:22:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-16 05:22:19,770 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-12-16 05:22:19,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-12-16 05:22:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2021-12-16 05:22:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2021-12-16 05:22:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:22:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:22:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-16 05:22:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-16 05:22:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:22:19,771 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2021-12-16 05:22:19,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2021-12-16 05:22:20,328 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:22:20,331 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:22:20,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:22:22,211 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:22:22,222 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:22:22,222 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 05:22:22,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:22:22 BoogieIcfgContainer [2021-12-16 05:22:22,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:22:22,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:22:22,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:22:22,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:22:22,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:22:16" (1/3) ... [2021-12-16 05:22:22,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51740e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:22:22, skipping insertion in model container [2021-12-16 05:22:22,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:22:19" (2/3) ... [2021-12-16 05:22:22,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51740e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:22:22, skipping insertion in model container [2021-12-16 05:22:22,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:22:22" (3/3) ... [2021-12-16 05:22:22,230 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--input--misc--ims-pcu.ko.cil.i [2021-12-16 05:22:22,234 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:22:22,234 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-12-16 05:22:22,269 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:22:22,273 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 [2021-12-16 05:22:22,274 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-12-16 05:22:22,306 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) [2021-12-16 05:22:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-16 05:22:22,312 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:22,312 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] [2021-12-16 05:22:22,313 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)] === [2021-12-16 05:22:22,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:22,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1443060829, now seen corresponding path program 1 times [2021-12-16 05:22:22,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:22,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376541344] [2021-12-16 05:22:22,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:22,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:22,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:22,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376541344] [2021-12-16 05:22:22,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376541344] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:22,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:22,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:22,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158694565] [2021-12-16 05:22:22,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:22,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:22,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:22,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:22,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:22,953 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) [2021-12-16 05:22:25,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:25,349 INFO L93 Difference]: Finished difference Result 2933 states and 4046 transitions. [2021-12-16 05:22:25,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:25,361 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 [2021-12-16 05:22:25,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:25,394 INFO L225 Difference]: With dead ends: 2933 [2021-12-16 05:22:25,394 INFO L226 Difference]: Without dead ends: 1475 [2021-12-16 05:22:25,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:22:25,414 INFO L933 BasicCegarLoop]: 1830 mSDtfsCounter, 2704 mSDsluCounter, 2286 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 1252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 4116 SdHoareTripleChecker+Invalid, 2658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1252 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:25,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2956 Valid, 4116 Invalid, 2658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1252 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-16 05:22:25,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-12-16 05:22:25,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-12-16 05:22:25,598 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) [2021-12-16 05:22:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1939 transitions. [2021-12-16 05:22:25,609 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1939 transitions. Word has length 71 [2021-12-16 05:22:25,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:25,612 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 1939 transitions. [2021-12-16 05:22:25,612 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) [2021-12-16 05:22:25,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1939 transitions. [2021-12-16 05:22:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-16 05:22:25,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:25,619 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] [2021-12-16 05:22:25,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:22:25,619 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)] === [2021-12-16 05:22:25,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:25,620 INFO L85 PathProgramCache]: Analyzing trace with hash -191390958, now seen corresponding path program 1 times [2021-12-16 05:22:25,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:25,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809931852] [2021-12-16 05:22:25,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:25,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:25,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:25,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809931852] [2021-12-16 05:22:25,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809931852] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:25,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:25,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:25,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909344163] [2021-12-16 05:22:25,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:25,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:25,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:25,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:25,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:25,815 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) [2021-12-16 05:22:28,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:28,007 INFO L93 Difference]: Finished difference Result 1475 states and 1939 transitions. [2021-12-16 05:22:28,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:28,008 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 [2021-12-16 05:22:28,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:28,014 INFO L225 Difference]: With dead ends: 1475 [2021-12-16 05:22:28,015 INFO L226 Difference]: Without dead ends: 1473 [2021-12-16 05:22:28,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:22:28,016 INFO L933 BasicCegarLoop]: 1814 mSDtfsCounter, 2674 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:28,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2923 Valid, 4086 Invalid, 2640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-16 05:22:28,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2021-12-16 05:22:28,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1473. [2021-12-16 05:22:28,054 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) [2021-12-16 05:22:28,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1937 transitions. [2021-12-16 05:22:28,061 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1937 transitions. Word has length 77 [2021-12-16 05:22:28,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:28,062 INFO L470 AbstractCegarLoop]: Abstraction has 1473 states and 1937 transitions. [2021-12-16 05:22:28,062 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) [2021-12-16 05:22:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1937 transitions. [2021-12-16 05:22:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-16 05:22:28,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:28,064 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] [2021-12-16 05:22:28,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:22:28,064 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)] === [2021-12-16 05:22:28,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:28,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1554937333, now seen corresponding path program 1 times [2021-12-16 05:22:28,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:28,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510621784] [2021-12-16 05:22:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:28,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:22:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:28,242 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:28,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:28,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510621784] [2021-12-16 05:22:28,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510621784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:28,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:28,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:28,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042932351] [2021-12-16 05:22:28,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:28,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:28,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:28,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:28,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:28,245 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) [2021-12-16 05:22:30,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:30,597 INFO L93 Difference]: Finished difference Result 1473 states and 1937 transitions. [2021-12-16 05:22:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:30,599 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 [2021-12-16 05:22:30,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:30,606 INFO L225 Difference]: With dead ends: 1473 [2021-12-16 05:22:30,606 INFO L226 Difference]: Without dead ends: 1471 [2021-12-16 05:22:30,607 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 [2021-12-16 05:22:30,609 INFO L933 BasicCegarLoop]: 1812 mSDtfsCounter, 2668 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2916 SdHoareTripleChecker+Valid, 4084 SdHoareTripleChecker+Invalid, 2638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:30,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2916 Valid, 4084 Invalid, 2638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-16 05:22:30,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2021-12-16 05:22:30,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2021-12-16 05:22:30,648 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) [2021-12-16 05:22:30,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 1935 transitions. [2021-12-16 05:22:30,654 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 1935 transitions. Word has length 83 [2021-12-16 05:22:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:30,655 INFO L470 AbstractCegarLoop]: Abstraction has 1471 states and 1935 transitions. [2021-12-16 05:22:30,655 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) [2021-12-16 05:22:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 1935 transitions. [2021-12-16 05:22:30,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-16 05:22:30,657 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:30,657 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] [2021-12-16 05:22:30,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 05:22:30,658 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)] === [2021-12-16 05:22:30,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:30,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1601048255, now seen corresponding path program 1 times [2021-12-16 05:22:30,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:30,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900727612] [2021-12-16 05:22:30,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:30,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:22:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:22:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:30,881 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:30,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:30,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900727612] [2021-12-16 05:22:30,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900727612] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:30,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:30,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:30,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417905268] [2021-12-16 05:22:30,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:30,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:30,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:30,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:30,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:30,884 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) [2021-12-16 05:22:32,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:32,887 INFO L93 Difference]: Finished difference Result 1471 states and 1935 transitions. [2021-12-16 05:22:32,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:32,888 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 [2021-12-16 05:22:32,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:32,897 INFO L225 Difference]: With dead ends: 1471 [2021-12-16 05:22:32,897 INFO L226 Difference]: Without dead ends: 1469 [2021-12-16 05:22:32,899 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 [2021-12-16 05:22:32,901 INFO L933 BasicCegarLoop]: 1810 mSDtfsCounter, 2662 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2909 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 2636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:32,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2909 Valid, 4082 Invalid, 2636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-16 05:22:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2021-12-16 05:22:32,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2021-12-16 05:22:32,947 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) [2021-12-16 05:22:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1933 transitions. [2021-12-16 05:22:32,956 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1933 transitions. Word has length 89 [2021-12-16 05:22:32,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:32,957 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 1933 transitions. [2021-12-16 05:22:32,957 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) [2021-12-16 05:22:32,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1933 transitions. [2021-12-16 05:22:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-16 05:22:32,962 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:32,962 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] [2021-12-16 05:22:32,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 05:22:32,962 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)] === [2021-12-16 05:22:32,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:32,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1359531351, now seen corresponding path program 1 times [2021-12-16 05:22:32,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:32,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808323289] [2021-12-16 05:22:32,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:32,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:22:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:22:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:22:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:33,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:33,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808323289] [2021-12-16 05:22:33,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808323289] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:33,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:33,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:33,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824312827] [2021-12-16 05:22:33,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:33,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:33,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:33,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:33,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:33,250 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) [2021-12-16 05:22:35,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:35,230 INFO L93 Difference]: Finished difference Result 1469 states and 1933 transitions. [2021-12-16 05:22:35,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:35,231 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 [2021-12-16 05:22:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:35,237 INFO L225 Difference]: With dead ends: 1469 [2021-12-16 05:22:35,237 INFO L226 Difference]: Without dead ends: 1467 [2021-12-16 05:22:35,238 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 [2021-12-16 05:22:35,238 INFO L933 BasicCegarLoop]: 1808 mSDtfsCounter, 2656 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:35,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2902 Valid, 4080 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-16 05:22:35,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2021-12-16 05:22:35,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2021-12-16 05:22:35,272 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) [2021-12-16 05:22:35,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1931 transitions. [2021-12-16 05:22:35,277 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1931 transitions. Word has length 95 [2021-12-16 05:22:35,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:35,278 INFO L470 AbstractCegarLoop]: Abstraction has 1467 states and 1931 transitions. [2021-12-16 05:22:35,278 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) [2021-12-16 05:22:35,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1931 transitions. [2021-12-16 05:22:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-16 05:22:35,279 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:35,279 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] [2021-12-16 05:22:35,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 05:22:35,281 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)] === [2021-12-16 05:22:35,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:35,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1567667439, now seen corresponding path program 1 times [2021-12-16 05:22:35,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:35,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060460634] [2021-12-16 05:22:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:35,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:22:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:22:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:22:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:22:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:35,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:35,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060460634] [2021-12-16 05:22:35,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060460634] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:35,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:35,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:35,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932676180] [2021-12-16 05:22:35,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:35,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:35,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:35,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:35,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:35,611 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) [2021-12-16 05:22:37,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:37,527 INFO L93 Difference]: Finished difference Result 1467 states and 1931 transitions. [2021-12-16 05:22:37,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:37,528 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 [2021-12-16 05:22:37,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:37,534 INFO L225 Difference]: With dead ends: 1467 [2021-12-16 05:22:37,534 INFO L226 Difference]: Without dead ends: 1465 [2021-12-16 05:22:37,535 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 [2021-12-16 05:22:37,536 INFO L933 BasicCegarLoop]: 1806 mSDtfsCounter, 2650 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2895 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 2632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:37,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2895 Valid, 4078 Invalid, 2632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-16 05:22:37,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2021-12-16 05:22:37,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1465. [2021-12-16 05:22:37,574 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) [2021-12-16 05:22:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1929 transitions. [2021-12-16 05:22:37,579 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1929 transitions. Word has length 101 [2021-12-16 05:22:37,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:37,580 INFO L470 AbstractCegarLoop]: Abstraction has 1465 states and 1929 transitions. [2021-12-16 05:22:37,580 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) [2021-12-16 05:22:37,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1929 transitions. [2021-12-16 05:22:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-16 05:22:37,581 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:37,581 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] [2021-12-16 05:22:37,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 05:22:37,582 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)] === [2021-12-16 05:22:37,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:37,582 INFO L85 PathProgramCache]: Analyzing trace with hash -960086196, now seen corresponding path program 1 times [2021-12-16 05:22:37,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:37,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320359195] [2021-12-16 05:22:37,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:37,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:22:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:22:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:22:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:22:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:22:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:37,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:37,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320359195] [2021-12-16 05:22:37,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320359195] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:37,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:37,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:37,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393927435] [2021-12-16 05:22:37,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:37,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:37,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:37,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:37,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:37,788 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) [2021-12-16 05:22:41,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:41,417 INFO L93 Difference]: Finished difference Result 2692 states and 3514 transitions. [2021-12-16 05:22:41,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-16 05:22:41,418 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 [2021-12-16 05:22:41,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:41,435 INFO L225 Difference]: With dead ends: 2692 [2021-12-16 05:22:41,435 INFO L226 Difference]: Without dead ends: 2690 [2021-12-16 05:22:41,437 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 [2021-12-16 05:22:41,439 INFO L933 BasicCegarLoop]: 2194 mSDtfsCounter, 3684 mSDsluCounter, 3735 mSDsCounter, 0 mSdLazyCounter, 2759 mSolverCounterSat, 1969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3924 SdHoareTripleChecker+Valid, 5929 SdHoareTripleChecker+Invalid, 4728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1969 IncrementalHoareTripleChecker+Valid, 2759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:41,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3924 Valid, 5929 Invalid, 4728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1969 Valid, 2759 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-16 05:22:41,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2021-12-16 05:22:41,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2546. [2021-12-16 05:22:41,525 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) [2021-12-16 05:22:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3364 transitions. [2021-12-16 05:22:41,532 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3364 transitions. Word has length 107 [2021-12-16 05:22:41,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:41,533 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 3364 transitions. [2021-12-16 05:22:41,533 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) [2021-12-16 05:22:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3364 transitions. [2021-12-16 05:22:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-16 05:22:41,535 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:41,535 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] [2021-12-16 05:22:41,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 05:22:41,535 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)] === [2021-12-16 05:22:41,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:41,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1041772623, now seen corresponding path program 1 times [2021-12-16 05:22:41,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:41,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167295733] [2021-12-16 05:22:41,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:41,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:22:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:22:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:22:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:22:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:22:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:22:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:41,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:41,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167295733] [2021-12-16 05:22:41,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167295733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:41,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:41,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:41,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624141642] [2021-12-16 05:22:41,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:41,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:41,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:41,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:41,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:41,738 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) [2021-12-16 05:22:43,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:43,417 INFO L93 Difference]: Finished difference Result 2546 states and 3364 transitions. [2021-12-16 05:22:43,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:43,418 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 [2021-12-16 05:22:43,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:43,427 INFO L225 Difference]: With dead ends: 2546 [2021-12-16 05:22:43,428 INFO L226 Difference]: Without dead ends: 2544 [2021-12-16 05:22:43,429 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 [2021-12-16 05:22:43,429 INFO L933 BasicCegarLoop]: 1804 mSDtfsCounter, 2648 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 4076 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:43,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2891 Valid, 4076 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-16 05:22:43,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2021-12-16 05:22:43,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2544. [2021-12-16 05:22:43,573 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) [2021-12-16 05:22:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3362 transitions. [2021-12-16 05:22:43,580 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3362 transitions. Word has length 113 [2021-12-16 05:22:43,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:43,581 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3362 transitions. [2021-12-16 05:22:43,581 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) [2021-12-16 05:22:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3362 transitions. [2021-12-16 05:22:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-16 05:22:43,583 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:43,583 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] [2021-12-16 05:22:43,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 05:22:43,584 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)] === [2021-12-16 05:22:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:43,584 INFO L85 PathProgramCache]: Analyzing trace with hash -415972780, now seen corresponding path program 1 times [2021-12-16 05:22:43,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:43,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302484631] [2021-12-16 05:22:43,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:43,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:22:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:22:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:22:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:22:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:22:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:22:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:43,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:43,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302484631] [2021-12-16 05:22:43,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302484631] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:43,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:43,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:43,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054317979] [2021-12-16 05:22:43,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:43,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:43,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:43,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:43,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:43,773 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) [2021-12-16 05:22:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:45,698 INFO L93 Difference]: Finished difference Result 2544 states and 3362 transitions. [2021-12-16 05:22:45,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:45,698 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 [2021-12-16 05:22:45,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:45,708 INFO L225 Difference]: With dead ends: 2544 [2021-12-16 05:22:45,708 INFO L226 Difference]: Without dead ends: 2542 [2021-12-16 05:22:45,709 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 [2021-12-16 05:22:45,709 INFO L933 BasicCegarLoop]: 1802 mSDtfsCounter, 2636 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 4074 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:45,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2879 Valid, 4074 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-16 05:22:45,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2021-12-16 05:22:45,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2542. [2021-12-16 05:22:45,923 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) [2021-12-16 05:22:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3360 transitions. [2021-12-16 05:22:45,948 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3360 transitions. Word has length 115 [2021-12-16 05:22:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:45,948 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 3360 transitions. [2021-12-16 05:22:45,949 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) [2021-12-16 05:22:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3360 transitions. [2021-12-16 05:22:45,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-16 05:22:45,951 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:45,952 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] [2021-12-16 05:22:45,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 05:22:45,952 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)] === [2021-12-16 05:22:45,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:45,952 INFO L85 PathProgramCache]: Analyzing trace with hash -14146037, now seen corresponding path program 1 times [2021-12-16 05:22:45,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:45,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207015268] [2021-12-16 05:22:45,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:45,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 05:22:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 05:22:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:22:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 05:22:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 05:22:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:22:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 05:22:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-16 05:22:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-16 05:22:46,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:46,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207015268] [2021-12-16 05:22:46,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207015268] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:46,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:46,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 05:22:46,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488282678] [2021-12-16 05:22:46,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:46,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 05:22:46,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:46,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 05:22:46,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 05:22:46,503 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) [2021-12-16 05:22:49,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:49,229 INFO L93 Difference]: Finished difference Result 2607 states and 3452 transitions. [2021-12-16 05:22:49,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 05:22:49,230 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 [2021-12-16 05:22:49,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:49,241 INFO L225 Difference]: With dead ends: 2607 [2021-12-16 05:22:49,241 INFO L226 Difference]: Without dead ends: 2605 [2021-12-16 05:22:49,243 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 [2021-12-16 05:22:49,244 INFO L933 BasicCegarLoop]: 1795 mSDtfsCounter, 1691 mSDsluCounter, 4033 mSDsCounter, 0 mSdLazyCounter, 2700 mSolverCounterSat, 1495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1691 SdHoareTripleChecker+Valid, 5828 SdHoareTripleChecker+Invalid, 4195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1495 IncrementalHoareTripleChecker+Valid, 2700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:49,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1691 Valid, 5828 Invalid, 4195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1495 Valid, 2700 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-16 05:22:49,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2605 states. [2021-12-16 05:22:49,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2605 to 2548. [2021-12-16 05:22:49,341 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) [2021-12-16 05:22:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 3366 transitions. [2021-12-16 05:22:49,348 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 3366 transitions. Word has length 164 [2021-12-16 05:22:49,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:49,351 INFO L470 AbstractCegarLoop]: Abstraction has 2548 states and 3366 transitions. [2021-12-16 05:22:49,351 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) [2021-12-16 05:22:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3366 transitions. [2021-12-16 05:22:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-16 05:22:49,353 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:49,353 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] [2021-12-16 05:22:49,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 05:22:49,353 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)] === [2021-12-16 05:22:49,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:49,354 INFO L85 PathProgramCache]: Analyzing trace with hash -14205619, now seen corresponding path program 1 times [2021-12-16 05:22:49,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:49,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62844532] [2021-12-16 05:22:49,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:49,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 05:22:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 05:22:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:22:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 05:22:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 05:22:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:22:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 05:22:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-16 05:22:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-16 05:22:49,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:49,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62844532] [2021-12-16 05:22:49,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62844532] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:49,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:49,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 05:22:49,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300602269] [2021-12-16 05:22:49,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:49,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 05:22:49,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:49,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 05:22:49,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-16 05:22:49,912 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) [2021-12-16 05:22:53,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:53,676 INFO L93 Difference]: Finished difference Result 5102 states and 6775 transitions. [2021-12-16 05:22:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-16 05:22:53,677 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 [2021-12-16 05:22:53,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:53,688 INFO L225 Difference]: With dead ends: 5102 [2021-12-16 05:22:53,688 INFO L226 Difference]: Without dead ends: 2593 [2021-12-16 05:22:53,697 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 [2021-12-16 05:22:53,698 INFO L933 BasicCegarLoop]: 1793 mSDtfsCounter, 3065 mSDsluCounter, 4578 mSDsCounter, 0 mSdLazyCounter, 4083 mSolverCounterSat, 1757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3326 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 5840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1757 IncrementalHoareTripleChecker+Valid, 4083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:53,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3326 Valid, 6371 Invalid, 5840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1757 Valid, 4083 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-16 05:22:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2021-12-16 05:22:53,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2542. [2021-12-16 05:22:53,780 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) [2021-12-16 05:22:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3357 transitions. [2021-12-16 05:22:53,789 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3357 transitions. Word has length 164 [2021-12-16 05:22:53,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:53,789 INFO L470 AbstractCegarLoop]: Abstraction has 2542 states and 3357 transitions. [2021-12-16 05:22:53,789 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) [2021-12-16 05:22:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3357 transitions. [2021-12-16 05:22:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-16 05:22:53,790 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:53,791 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] [2021-12-16 05:22:53,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 05:22:53,791 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)] === [2021-12-16 05:22:53,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:53,791 INFO L85 PathProgramCache]: Analyzing trace with hash -698388096, now seen corresponding path program 1 times [2021-12-16 05:22:53,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:53,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098408067] [2021-12-16 05:22:53,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:53,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:53,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:53,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:53,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:22:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:22:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:22:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:22:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:22:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:22:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:22:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:54,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:54,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098408067] [2021-12-16 05:22:54,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098408067] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:54,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:54,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:54,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704431209] [2021-12-16 05:22:54,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:54,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:54,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:54,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:54,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:54,065 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) [2021-12-16 05:22:55,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:55,782 INFO L93 Difference]: Finished difference Result 2542 states and 3357 transitions. [2021-12-16 05:22:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:55,799 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 [2021-12-16 05:22:55,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:55,810 INFO L225 Difference]: With dead ends: 2542 [2021-12-16 05:22:55,810 INFO L226 Difference]: Without dead ends: 2540 [2021-12-16 05:22:55,811 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 [2021-12-16 05:22:55,812 INFO L933 BasicCegarLoop]: 1797 mSDtfsCounter, 2623 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2865 SdHoareTripleChecker+Valid, 4069 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:55,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2865 Valid, 4069 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-16 05:22:55,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2021-12-16 05:22:55,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2540. [2021-12-16 05:22:55,909 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) [2021-12-16 05:22:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2540 states and 3355 transitions. [2021-12-16 05:22:55,919 INFO L78 Accepts]: Start accepts. Automaton has 2540 states and 3355 transitions. Word has length 121 [2021-12-16 05:22:55,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:55,919 INFO L470 AbstractCegarLoop]: Abstraction has 2540 states and 3355 transitions. [2021-12-16 05:22:55,919 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) [2021-12-16 05:22:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 3355 transitions. [2021-12-16 05:22:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-16 05:22:55,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:55,921 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] [2021-12-16 05:22:55,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 05:22:55,921 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)] === [2021-12-16 05:22:55,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:55,921 INFO L85 PathProgramCache]: Analyzing trace with hash -317742788, now seen corresponding path program 1 times [2021-12-16 05:22:55,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:55,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938875191] [2021-12-16 05:22:55,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:55,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:22:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:22:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:22:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:22:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:22:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:22:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:22:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:22:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:22:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:22:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:22:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:22:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:22:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:22:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:22:56,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:56,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938875191] [2021-12-16 05:22:56,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938875191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:56,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:56,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:56,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899366211] [2021-12-16 05:22:56,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:56,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:56,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:56,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:56,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:56,143 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) [2021-12-16 05:22:58,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:22:58,145 INFO L93 Difference]: Finished difference Result 2540 states and 3355 transitions. [2021-12-16 05:22:58,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:22:58,145 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 [2021-12-16 05:22:58,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:22:58,166 INFO L225 Difference]: With dead ends: 2540 [2021-12-16 05:22:58,167 INFO L226 Difference]: Without dead ends: 2538 [2021-12-16 05:22:58,168 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 [2021-12-16 05:22:58,170 INFO L933 BasicCegarLoop]: 1795 mSDtfsCounter, 2617 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 4067 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-16 05:22:58,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2858 Valid, 4067 Invalid, 2621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-16 05:22:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2021-12-16 05:22:58,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2538. [2021-12-16 05:22:58,248 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) [2021-12-16 05:22:58,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 3353 transitions. [2021-12-16 05:22:58,254 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 3353 transitions. Word has length 127 [2021-12-16 05:22:58,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:22:58,255 INFO L470 AbstractCegarLoop]: Abstraction has 2538 states and 3353 transitions. [2021-12-16 05:22:58,255 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) [2021-12-16 05:22:58,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3353 transitions. [2021-12-16 05:22:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-16 05:22:58,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:22:58,257 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] [2021-12-16 05:22:58,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-16 05:22:58,258 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)] === [2021-12-16 05:22:58,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:22:58,258 INFO L85 PathProgramCache]: Analyzing trace with hash 997131382, now seen corresponding path program 1 times [2021-12-16 05:22:58,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:22:58,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151078099] [2021-12-16 05:22:58,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:22:58,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:22:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:22:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:22:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:22:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:22:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 05:22:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 05:22:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:22:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 05:22:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 05:22:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:22:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:22:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:22:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 05:22:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-16 05:22:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:22:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:22:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-16 05:22:58,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:22:58,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151078099] [2021-12-16 05:22:58,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151078099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:22:58,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:22:58,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:22:58,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873262193] [2021-12-16 05:22:58,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:22:58,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:22:58,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:22:58,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:22:58,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:22:58,510 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) [2021-12-16 05:23:00,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:23:00,329 INFO L93 Difference]: Finished difference Result 5082 states and 6749 transitions. [2021-12-16 05:23:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:23:00,336 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 [2021-12-16 05:23:00,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:23:00,386 INFO L225 Difference]: With dead ends: 5082 [2021-12-16 05:23:00,386 INFO L226 Difference]: Without dead ends: 2583 [2021-12-16 05:23:00,395 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 [2021-12-16 05:23:00,396 INFO L933 BasicCegarLoop]: 1785 mSDtfsCounter, 3031 mSDsluCounter, 1659 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 1752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3292 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 2959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1752 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-16 05:23:00,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3292 Valid, 3444 Invalid, 2959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1752 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-16 05:23:00,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2583 states. [2021-12-16 05:23:00,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2583 to 2532. [2021-12-16 05:23:00,510 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) [2021-12-16 05:23:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 3344 transitions. [2021-12-16 05:23:00,518 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 3344 transitions. Word has length 171 [2021-12-16 05:23:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:23:00,519 INFO L470 AbstractCegarLoop]: Abstraction has 2532 states and 3344 transitions. [2021-12-16 05:23:00,519 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) [2021-12-16 05:23:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3344 transitions. [2021-12-16 05:23:00,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-16 05:23:00,521 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:23:00,521 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] [2021-12-16 05:23:00,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-16 05:23:00,521 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)] === [2021-12-16 05:23:00,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:23:00,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1008346903, now seen corresponding path program 1 times [2021-12-16 05:23:00,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:23:00,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762610018] [2021-12-16 05:23:00,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:23:00,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:23:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:23:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:23:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:23:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:23:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:23:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:23:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:23:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:23:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:23:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 05:23:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 05:23:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:23:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:23:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 05:23:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:23:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:23:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:23:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-16 05:23:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 05:23:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:23:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:23:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 05:23:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-12-16 05:23:00,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:23:00,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762610018] [2021-12-16 05:23:00,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762610018] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:23:00,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:23:00,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 05:23:00,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118625083] [2021-12-16 05:23:00,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:23:00,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 05:23:00,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:23:00,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 05:23:00,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:23:00,760 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) [2021-12-16 05:23:04,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:23:04,166 INFO L93 Difference]: Finished difference Result 3774 states and 4986 transitions. [2021-12-16 05:23:04,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-16 05:23:04,167 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 [2021-12-16 05:23:04,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:23:04,199 INFO L225 Difference]: With dead ends: 3774 [2021-12-16 05:23:04,199 INFO L226 Difference]: Without dead ends: 3772 [2021-12-16 05:23:04,203 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 [2021-12-16 05:23:04,205 INFO L933 BasicCegarLoop]: 2150 mSDtfsCounter, 3433 mSDsluCounter, 5011 mSDsCounter, 0 mSdLazyCounter, 4088 mSolverCounterSat, 2219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3665 SdHoareTripleChecker+Valid, 7161 SdHoareTripleChecker+Invalid, 6307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2219 IncrementalHoareTripleChecker+Valid, 4088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-16 05:23:04,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3665 Valid, 7161 Invalid, 6307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2219 Valid, 4088 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-16 05:23:04,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2021-12-16 05:23:04,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3666. [2021-12-16 05:23:04,406 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) [2021-12-16 05:23:04,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3666 states and 4862 transitions. [2021-12-16 05:23:04,417 INFO L78 Accepts]: Start accepts. Automaton has 3666 states and 4862 transitions. Word has length 162 [2021-12-16 05:23:04,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:23:04,417 INFO L470 AbstractCegarLoop]: Abstraction has 3666 states and 4862 transitions. [2021-12-16 05:23:04,417 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) [2021-12-16 05:23:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 4862 transitions. [2021-12-16 05:23:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-16 05:23:04,419 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:23:04,419 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] [2021-12-16 05:23:04,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-16 05:23:04,419 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)] === [2021-12-16 05:23:04,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:23:04,420 INFO L85 PathProgramCache]: Analyzing trace with hash -55283042, now seen corresponding path program 1 times [2021-12-16 05:23:04,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:23:04,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833337010] [2021-12-16 05:23:04,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:23:04,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:23:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:23:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:23:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:23:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:23:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:23:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:23:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:23:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:23:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:23:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:23:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:23:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:23:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:23:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:23:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:23:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:23:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:23:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:23:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:23:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:23:04,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:23:04,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833337010] [2021-12-16 05:23:04,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833337010] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:23:04,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:23:04,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:23:04,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165915337] [2021-12-16 05:23:04,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:23:04,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:23:04,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:23:04,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:23:04,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:23:04,609 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) [2021-12-16 05:23:06,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:23:06,471 INFO L93 Difference]: Finished difference Result 3666 states and 4862 transitions. [2021-12-16 05:23:06,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:23:06,471 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 [2021-12-16 05:23:06,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:23:06,482 INFO L225 Difference]: With dead ends: 3666 [2021-12-16 05:23:06,483 INFO L226 Difference]: Without dead ends: 3664 [2021-12-16 05:23:06,484 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 [2021-12-16 05:23:06,489 INFO L933 BasicCegarLoop]: 1788 mSDtfsCounter, 2596 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 4060 SdHoareTripleChecker+Invalid, 2614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:23:06,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2836 Valid, 4060 Invalid, 2614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-16 05:23:06,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3664 states. [2021-12-16 05:23:06,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3664 to 3664. [2021-12-16 05:23:06,611 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) [2021-12-16 05:23:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3664 states and 4859 transitions. [2021-12-16 05:23:06,621 INFO L78 Accepts]: Start accepts. Automaton has 3664 states and 4859 transitions. Word has length 133 [2021-12-16 05:23:06,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:23:06,622 INFO L470 AbstractCegarLoop]: Abstraction has 3664 states and 4859 transitions. [2021-12-16 05:23:06,622 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) [2021-12-16 05:23:06,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 4859 transitions. [2021-12-16 05:23:06,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-16 05:23:06,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:23:06,624 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] [2021-12-16 05:23:06,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-16 05:23:06,624 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)] === [2021-12-16 05:23:06,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:23:06,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1607864734, now seen corresponding path program 1 times [2021-12-16 05:23:06,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:23:06,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029049369] [2021-12-16 05:23:06,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:23:06,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:23:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:23:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:23:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:23:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:23:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:23:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:23:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:23:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:23:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:23:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:23:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:23:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:23:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:23:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:23:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:23:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:23:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:23:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:23:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:23:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-16 05:23:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:23:06,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:23:06,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029049369] [2021-12-16 05:23:06,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029049369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:23:06,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:23:06,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:23:06,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647373676] [2021-12-16 05:23:06,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:23:06,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:23:06,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:23:06,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:23:06,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:23:06,841 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) [2021-12-16 05:23:08,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:23:08,868 INFO L93 Difference]: Finished difference Result 3664 states and 4859 transitions. [2021-12-16 05:23:08,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:23:08,869 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 [2021-12-16 05:23:08,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:23:08,879 INFO L225 Difference]: With dead ends: 3664 [2021-12-16 05:23:08,880 INFO L226 Difference]: Without dead ends: 3662 [2021-12-16 05:23:08,881 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 [2021-12-16 05:23:08,882 INFO L933 BasicCegarLoop]: 1786 mSDtfsCounter, 2590 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 4058 SdHoareTripleChecker+Invalid, 2612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-16 05:23:08,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2829 Valid, 4058 Invalid, 2612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-16 05:23:08,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2021-12-16 05:23:09,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 3662. [2021-12-16 05:23:09,026 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) [2021-12-16 05:23:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3662 states to 3662 states and 4856 transitions. [2021-12-16 05:23:09,034 INFO L78 Accepts]: Start accepts. Automaton has 3662 states and 4856 transitions. Word has length 139 [2021-12-16 05:23:09,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:23:09,034 INFO L470 AbstractCegarLoop]: Abstraction has 3662 states and 4856 transitions. [2021-12-16 05:23:09,035 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) [2021-12-16 05:23:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 4856 transitions. [2021-12-16 05:23:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-16 05:23:09,036 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:23:09,036 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] [2021-12-16 05:23:09,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-16 05:23:09,037 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)] === [2021-12-16 05:23:09,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:23:09,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1463516612, now seen corresponding path program 1 times [2021-12-16 05:23:09,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:23:09,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219002644] [2021-12-16 05:23:09,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:23:09,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:23:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:23:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:23:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:23:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:23:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:23:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:23:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:23:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:23:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:23:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:23:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:23:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:23:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:23:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:23:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:23:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:23:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:23:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:23:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:23:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-16 05:23:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:23:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:23:09,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:23:09,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219002644] [2021-12-16 05:23:09,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219002644] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:23:09,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:23:09,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:23:09,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961677206] [2021-12-16 05:23:09,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:23:09,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:23:09,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:23:09,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:23:09,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:23:09,190 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) [2021-12-16 05:23:10,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:23:10,969 INFO L93 Difference]: Finished difference Result 3662 states and 4856 transitions. [2021-12-16 05:23:10,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:23:10,969 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 [2021-12-16 05:23:10,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:23:10,979 INFO L225 Difference]: With dead ends: 3662 [2021-12-16 05:23:10,979 INFO L226 Difference]: Without dead ends: 3660 [2021-12-16 05:23:10,981 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 [2021-12-16 05:23:10,981 INFO L933 BasicCegarLoop]: 1784 mSDtfsCounter, 2584 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 4056 SdHoareTripleChecker+Invalid, 2610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-16 05:23:10,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2822 Valid, 4056 Invalid, 2610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-16 05:23:10,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2021-12-16 05:23:11,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 3660. [2021-12-16 05:23:11,106 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) [2021-12-16 05:23:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3660 states and 4853 transitions. [2021-12-16 05:23:11,117 INFO L78 Accepts]: Start accepts. Automaton has 3660 states and 4853 transitions. Word has length 145 [2021-12-16 05:23:11,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:23:11,117 INFO L470 AbstractCegarLoop]: Abstraction has 3660 states and 4853 transitions. [2021-12-16 05:23:11,117 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) [2021-12-16 05:23:11,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 4853 transitions. [2021-12-16 05:23:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-16 05:23:11,119 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:23:11,119 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] [2021-12-16 05:23:11,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-16 05:23:11,120 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)] === [2021-12-16 05:23:11,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:23:11,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1503938958, now seen corresponding path program 1 times [2021-12-16 05:23:11,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:23:11,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188624572] [2021-12-16 05:23:11,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:23:11,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:23:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:23:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:23:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:23:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:23:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:23:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:23:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:23:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:23:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:23:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:23:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:23:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:23:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:23:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:23:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:23:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:23:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:23:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:23:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:23:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-16 05:23:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:23:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 05:23:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:23:11,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:23:11,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188624572] [2021-12-16 05:23:11,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188624572] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:23:11,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:23:11,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:23:11,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950943105] [2021-12-16 05:23:11,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:23:11,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:23:11,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:23:11,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:23:11,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:23:11,298 INFO L87 Difference]: Start difference. First operand 3660 states and 4853 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-16 05:23:13,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:23:13,035 INFO L93 Difference]: Finished difference Result 3660 states and 4853 transitions. [2021-12-16 05:23:13,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:23:13,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2021-12-16 05:23:13,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:23:13,046 INFO L225 Difference]: With dead ends: 3660 [2021-12-16 05:23:13,047 INFO L226 Difference]: Without dead ends: 3658 [2021-12-16 05:23:13,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:23:13,049 INFO L933 BasicCegarLoop]: 1782 mSDtfsCounter, 2578 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 4054 SdHoareTripleChecker+Invalid, 2608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-16 05:23:13,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2815 Valid, 4054 Invalid, 2608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-16 05:23:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3658 states. [2021-12-16 05:23:13,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3658 to 3658. [2021-12-16 05:23:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3658 states, 2415 states have (on average 1.2124223602484472) internal successors, (2928), 2510 states have internal predecessors, (2928), 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) [2021-12-16 05:23:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 3658 states and 4850 transitions. [2021-12-16 05:23:13,249 INFO L78 Accepts]: Start accepts. Automaton has 3658 states and 4850 transitions. Word has length 151 [2021-12-16 05:23:13,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:23:13,249 INFO L470 AbstractCegarLoop]: Abstraction has 3658 states and 4850 transitions. [2021-12-16 05:23:13,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-16 05:23:13,249 INFO L276 IsEmpty]: Start isEmpty. Operand 3658 states and 4850 transitions. [2021-12-16 05:23:13,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-16 05:23:13,251 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:23:13,251 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:23:13,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-16 05:23:13,252 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_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)] === [2021-12-16 05:23:13,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:23:13,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1417507331, now seen corresponding path program 1 times [2021-12-16 05:23:13,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:23:13,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906705886] [2021-12-16 05:23:13,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:23:13,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:23:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:23:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:23:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:23:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:23:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 05:23:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 05:23:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:23:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 05:23:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 05:23:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:23:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 05:23:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:23:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 05:23:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:23:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:23:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 05:23:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:23:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:23:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 05:23:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-16 05:23:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:23:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 05:23:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 05:23:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:13,471 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-16 05:23:13,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:23:13,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906705886] [2021-12-16 05:23:13,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906705886] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:23:13,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:23:13,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:23:13,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658166104] [2021-12-16 05:23:13,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:23:13,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:23:13,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:23:13,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:23:13,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:23:13,473 INFO L87 Difference]: Start difference. First operand 3658 states and 4850 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-16 05:23:14,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:23:14,807 INFO L93 Difference]: Finished difference Result 3658 states and 4850 transitions. [2021-12-16 05:23:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:23:14,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2021-12-16 05:23:14,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:23:14,817 INFO L225 Difference]: With dead ends: 3658 [2021-12-16 05:23:14,817 INFO L226 Difference]: Without dead ends: 3656 [2021-12-16 05:23:14,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-16 05:23:14,819 INFO L933 BasicCegarLoop]: 1780 mSDtfsCounter, 2572 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2808 SdHoareTripleChecker+Valid, 4052 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-16 05:23:14,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2808 Valid, 4052 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-16 05:23:14,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3656 states. [2021-12-16 05:23:15,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3656 to 3656. [2021-12-16 05:23:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3656 states, 2414 states have (on average 1.211681855840928) internal successors, (2925), 2508 states have internal predecessors, (2925), 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) [2021-12-16 05:23:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 4847 transitions. [2021-12-16 05:23:15,018 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 4847 transitions. Word has length 157 [2021-12-16 05:23:15,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:23:15,018 INFO L470 AbstractCegarLoop]: Abstraction has 3656 states and 4847 transitions. [2021-12-16 05:23:15,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-16 05:23:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 4847 transitions. [2021-12-16 05:23:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-16 05:23:15,020 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:23:15,021 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:23:15,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-16 05:23:15,021 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-12-16 05:23:15,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:23:15,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1969499330, now seen corresponding path program 1 times [2021-12-16 05:23:15,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:23:15,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283186430] [2021-12-16 05:23:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:23:15,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:23:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 05:23:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:23:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 05:23:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:23:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 05:23:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:23:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:23:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-16 05:23:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:23:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:23:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:23:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:23:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:23:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 05:23:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:23:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:23:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 05:23:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:23:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:23:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:23:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 05:23:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-16 05:23:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:23:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-16 05:23:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:23:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 05:23:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:23:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-12-16 05:23:15,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:23:15,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283186430] [2021-12-16 05:23:15,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283186430] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:23:15,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:23:15,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 05:23:15,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273128445] [2021-12-16 05:23:15,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:23:15,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 05:23:15,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:23:15,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 05:23:15,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-16 05:23:15,240 INFO L87 Difference]: Start difference. First operand 3656 states and 4847 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)