./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--net--team--team.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL --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 c2e40c074e34eae853879e913dea35acffb5001042b37759d8583ab68da2fb52 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:12:46,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:12:46,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:12:46,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:12:46,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:12:46,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:12:46,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:12:46,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:12:46,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:12:46,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:12:46,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:12:46,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:12:46,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:12:46,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:12:46,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:12:46,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:12:46,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:12:46,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:12:46,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:12:46,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:12:46,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:12:46,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:12:46,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:12:46,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:12:46,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:12:46,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:12:46,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:12:46,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:12:46,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:12:46,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:12:46,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:12:46,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:12:46,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:12:46,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:12:46,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:12:46,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:12:46,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:12:46,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:12:46,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:12:46,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:12:46,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:12:46,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-19 04:12:46,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:12:46,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:12:46,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:12:46,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:12:46,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:12:46,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:12:46,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:12:46,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:12:46,349 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:12:46,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:12:46,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:12:46,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:12:46,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:12:46,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:12:46,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:12:46,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:12:46,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:12:46,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:12:46,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:12:46,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:12:46,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:12:46,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:12:46,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:12:46,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:12:46,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:12:46,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:12:46,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:12:46,355 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:12:46,355 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:12:46,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:12:46,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:12:46,358 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e40c074e34eae853879e913dea35acffb5001042b37759d8583ab68da2fb52 [2021-11-19 04:12:46,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:12:46,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:12:46,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:12:46,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:12:46,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:12:46,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2021-11-19 04:12:46,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/data/855979fe0/39fefd7f109a46539af64302a4c6b649/FLAG9186fd920 [2021-11-19 04:12:48,241 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:12:48,242 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2021-11-19 04:12:48,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/data/855979fe0/39fefd7f109a46539af64302a4c6b649/FLAG9186fd920 [2021-11-19 04:12:48,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/data/855979fe0/39fefd7f109a46539af64302a4c6b649 [2021-11-19 04:12:48,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:12:48,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:12:48,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:12:48,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:12:48,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:12:48,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:48" (1/1) ... [2021-11-19 04:12:48,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cc427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:48, skipping insertion in model container [2021-11-19 04:12:48,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:48" (1/1) ... [2021-11-19 04:12:48,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:12:48,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:12:55,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2021-11-19 04:12:56,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2021-11-19 04:12:56,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2021-11-19 04:12:56,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2021-11-19 04:12:56,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2021-11-19 04:12:56,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2021-11-19 04:12:56,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2021-11-19 04:12:56,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2021-11-19 04:12:56,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2021-11-19 04:12:56,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2021-11-19 04:12:56,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2021-11-19 04:12:56,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2021-11-19 04:12:56,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2021-11-19 04:12:56,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2021-11-19 04:12:56,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2021-11-19 04:12:56,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2021-11-19 04:12:56,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2021-11-19 04:12:56,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2021-11-19 04:12:56,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2021-11-19 04:12:56,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2021-11-19 04:12:56,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2021-11-19 04:12:56,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2021-11-19 04:12:56,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2021-11-19 04:12:56,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2021-11-19 04:12:56,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2021-11-19 04:12:56,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2021-11-19 04:12:56,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2021-11-19 04:12:56,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2021-11-19 04:12:56,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2021-11-19 04:12:56,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2021-11-19 04:12:56,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2021-11-19 04:12:56,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2021-11-19 04:12:56,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2021-11-19 04:12:56,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2021-11-19 04:12:56,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2021-11-19 04:12:56,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2021-11-19 04:12:56,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2021-11-19 04:12:56,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2021-11-19 04:12:56,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2021-11-19 04:12:56,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2021-11-19 04:12:56,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2021-11-19 04:12:56,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2021-11-19 04:12:56,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2021-11-19 04:12:56,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2021-11-19 04:12:56,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2021-11-19 04:12:56,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2021-11-19 04:12:56,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2021-11-19 04:12:56,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2021-11-19 04:12:56,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2021-11-19 04:12:56,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2021-11-19 04:12:56,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2021-11-19 04:12:56,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2021-11-19 04:12:56,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2021-11-19 04:12:56,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2021-11-19 04:12:56,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2021-11-19 04:12:56,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2021-11-19 04:12:56,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2021-11-19 04:12:56,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2021-11-19 04:12:56,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2021-11-19 04:12:56,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2021-11-19 04:12:56,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2021-11-19 04:12:56,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2021-11-19 04:12:56,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2021-11-19 04:12:56,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2021-11-19 04:12:56,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2021-11-19 04:12:56,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2021-11-19 04:12:56,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2021-11-19 04:12:56,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2021-11-19 04:12:56,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2021-11-19 04:12:56,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2021-11-19 04:12:56,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2021-11-19 04:12:56,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2021-11-19 04:12:56,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2021-11-19 04:12:56,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2021-11-19 04:12:56,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2021-11-19 04:12:56,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2021-11-19 04:12:56,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2021-11-19 04:12:56,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2021-11-19 04:12:56,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2021-11-19 04:12:56,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2021-11-19 04:12:56,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2021-11-19 04:12:56,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2021-11-19 04:12:56,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2021-11-19 04:12:56,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2021-11-19 04:12:56,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2021-11-19 04:12:56,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2021-11-19 04:12:56,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2021-11-19 04:12:56,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2021-11-19 04:12:56,074 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:12:56,131 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:12:56,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2021-11-19 04:12:56,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2021-11-19 04:12:56,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2021-11-19 04:12:56,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2021-11-19 04:12:56,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2021-11-19 04:12:56,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2021-11-19 04:12:56,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2021-11-19 04:12:56,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2021-11-19 04:12:56,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2021-11-19 04:12:56,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2021-11-19 04:12:56,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2021-11-19 04:12:56,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2021-11-19 04:12:56,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2021-11-19 04:12:56,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2021-11-19 04:12:56,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2021-11-19 04:12:56,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2021-11-19 04:12:56,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2021-11-19 04:12:56,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2021-11-19 04:12:56,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2021-11-19 04:12:56,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2021-11-19 04:12:56,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2021-11-19 04:12:56,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2021-11-19 04:12:56,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2021-11-19 04:12:56,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2021-11-19 04:12:56,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2021-11-19 04:12:56,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2021-11-19 04:12:56,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2021-11-19 04:12:56,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2021-11-19 04:12:56,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2021-11-19 04:12:56,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2021-11-19 04:12:56,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2021-11-19 04:12:56,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2021-11-19 04:12:56,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2021-11-19 04:12:56,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2021-11-19 04:12:56,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2021-11-19 04:12:56,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2021-11-19 04:12:56,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2021-11-19 04:12:56,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2021-11-19 04:12:56,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2021-11-19 04:12:56,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2021-11-19 04:12:56,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2021-11-19 04:12:56,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2021-11-19 04:12:56,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2021-11-19 04:12:56,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2021-11-19 04:12:56,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2021-11-19 04:12:56,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2021-11-19 04:12:56,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2021-11-19 04:12:56,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2021-11-19 04:12:56,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2021-11-19 04:12:56,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2021-11-19 04:12:56,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2021-11-19 04:12:56,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2021-11-19 04:12:56,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2021-11-19 04:12:56,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2021-11-19 04:12:56,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2021-11-19 04:12:56,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2021-11-19 04:12:56,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2021-11-19 04:12:56,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2021-11-19 04:12:56,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2021-11-19 04:12:56,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2021-11-19 04:12:56,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2021-11-19 04:12:56,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2021-11-19 04:12:56,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2021-11-19 04:12:56,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2021-11-19 04:12:56,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2021-11-19 04:12:56,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2021-11-19 04:12:56,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2021-11-19 04:12:56,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2021-11-19 04:12:56,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2021-11-19 04:12:56,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2021-11-19 04:12:56,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2021-11-19 04:12:56,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2021-11-19 04:12:56,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2021-11-19 04:12:56,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2021-11-19 04:12:56,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2021-11-19 04:12:56,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2021-11-19 04:12:56,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2021-11-19 04:12:56,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2021-11-19 04:12:56,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2021-11-19 04:12:56,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2021-11-19 04:12:56,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2021-11-19 04:12:56,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2021-11-19 04:12:56,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2021-11-19 04:12:56,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2021-11-19 04:12:56,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2021-11-19 04:12:56,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2021-11-19 04:12:56,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2021-11-19 04:12:56,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2021-11-19 04:12:56,809 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:12:57,396 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:12:57,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57 WrapperNode [2021-11-19 04:12:57,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:12:57,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:12:57,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:12:57,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:12:57,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:57,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:57,929 INFO L137 Inliner]: procedures = 918, calls = 3166, calls flagged for inlining = 418, calls inlined = 342, statements flattened = 7962 [2021-11-19 04:12:57,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:12:57,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:12:57,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:12:57,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:12:57,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:57,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:58,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:58,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:58,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:58,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:58,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:58,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:12:58,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:12:58,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:12:58,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:12:58,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (1/1) ... [2021-11-19 04:12:58,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:12:58,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:12:58,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:12:58,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a82d23a0-b04f-4877-8677-ea1b85051292/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:12:58,441 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2021-11-19 04:12:58,441 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2021-11-19 04:12:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2021-11-19 04:12:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2021-11-19 04:12:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_get [2021-11-19 04:12:58,442 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_get [2021-11-19 04:12:58,442 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-19 04:12:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-19 04:12:58,443 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2021-11-19 04:12:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2021-11-19 04:12:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_131 [2021-11-19 04:12:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_131 [2021-11-19 04:12:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-19 04:12:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-19 04:12:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_set [2021-11-19 04:12:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_set [2021-11-19 04:12:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-19 04:12:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-19 04:12:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2021-11-19 04:12:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2021-11-19 04:12:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 04:12:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 04:12:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 04:12:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 04:12:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-19 04:12:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-19 04:12:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-19 04:12:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-19 04:12:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_get [2021-11-19 04:12:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_get [2021-11-19 04:12:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-19 04:12:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-19 04:12:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2021-11-19 04:12:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2021-11-19 04:12:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 04:12:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 04:12:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2021-11-19 04:12:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2021-11-19 04:12:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-19 04:12:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-19 04:12:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2021-11-19 04:12:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2021-11-19 04:12:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_set [2021-11-19 04:12:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_set [2021-11-19 04:12:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-19 04:12:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-19 04:12:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-11-19 04:12:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-11-19 04:12:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2021-11-19 04:12:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2021-11-19 04:12:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2021-11-19 04:12:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2021-11-19 04:12:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 04:12:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 04:12:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-19 04:12:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-19 04:12:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2021-11-19 04:12:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2021-11-19 04:12:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2021-11-19 04:12:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2021-11-19 04:12:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2021-11-19 04:12:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2021-11-19 04:12:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2021-11-19 04:12:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2021-11-19 04:12:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 04:12:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 04:12:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 04:12:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 04:12:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2021-11-19 04:12:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2021-11-19 04:12:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:12:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 04:12:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 04:12:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2021-11-19 04:12:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2021-11-19 04:12:58,459 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2021-11-19 04:12:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2021-11-19 04:12:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-19 04:12:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-19 04:12:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2021-11-19 04:12:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2021-11-19 04:12:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2021-11-19 04:12:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2021-11-19 04:12:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 04:12:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 04:12:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-19 04:12:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-19 04:12:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:12:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-19 04:12:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-19 04:12:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:12:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 04:12:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 04:12:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:12:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 04:12:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_get [2021-11-19 04:12:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_get [2021-11-19 04:12:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_set [2021-11-19 04:12:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_set [2021-11-19 04:12:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_48 [2021-11-19 04:12:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_48 [2021-11-19 04:12:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-19 04:12:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-19 04:12:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 04:12:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 04:12:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_get [2021-11-19 04:12:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_get [2021-11-19 04:12:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-19 04:12:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-19 04:12:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-11-19 04:12:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-11-19 04:12:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2021-11-19 04:12:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2021-11-19 04:12:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2021-11-19 04:12:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2021-11-19 04:12:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-19 04:12:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-19 04:12:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:12:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:12:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_noop [2021-11-19 04:12:58,473 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_noop [2021-11-19 04:12:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2021-11-19 04:12:58,473 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2021-11-19 04:12:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2021-11-19 04:12:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2021-11-19 04:12:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 04:12:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-19 04:12:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-19 04:12:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_11 [2021-11-19 04:12:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_11 [2021-11-19 04:12:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 04:12:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 04:12:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-11-19 04:12:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-11-19 04:12:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-19 04:12:58,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-19 04:12:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 04:12:58,475 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-11-19 04:12:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-11-19 04:12:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2021-11-19 04:12:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2021-11-19 04:12:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2021-11-19 04:12:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2021-11-19 04:12:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_36 [2021-11-19 04:12:58,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_36 [2021-11-19 04:12:58,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 04:12:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 04:12:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2021-11-19 04:12:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2021-11-19 04:12:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_29 [2021-11-19 04:12:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_29 [2021-11-19 04:12:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-19 04:12:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-19 04:12:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2021-11-19 04:12:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2021-11-19 04:12:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_get [2021-11-19 04:12:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_get [2021-11-19 04:12:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2021-11-19 04:12:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2021-11-19 04:12:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 04:12:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 04:12:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:12:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 04:12:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 04:12:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 04:12:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 04:12:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2021-11-19 04:12:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2021-11-19 04:12:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:12:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2021-11-19 04:12:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2021-11-19 04:12:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-19 04:12:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-19 04:12:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_set [2021-11-19 04:12:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_set [2021-11-19 04:12:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-11-19 04:12:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-11-19 04:12:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2021-11-19 04:12:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2021-11-19 04:12:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-19 04:12:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-19 04:12:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 04:12:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 04:12:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 04:12:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 04:12:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 04:12:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 04:12:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-19 04:12:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-19 04:12:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_set [2021-11-19 04:12:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_set [2021-11-19 04:12:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2021-11-19 04:12:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2021-11-19 04:12:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 04:12:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 04:12:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2021-11-19 04:12:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2021-11-19 04:12:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 04:12:58,484 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 04:12:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register_149 [2021-11-19 04:12:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register_149 [2021-11-19 04:12:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2021-11-19 04:12:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2021-11-19 04:12:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 04:12:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 04:12:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 04:12:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 04:12:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2021-11-19 04:12:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2021-11-19 04:12:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2021-11-19 04:12:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2021-11-19 04:12:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 04:12:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 04:12:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-19 04:12:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-19 04:12:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 04:12:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 04:12:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2021-11-19 04:12:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2021-11-19 04:12:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:12:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 04:12:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 04:12:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-19 04:12:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-19 04:12:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2021-11-19 04:12:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2021-11-19 04:12:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2021-11-19 04:12:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2021-11-19 04:12:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-19 04:12:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-19 04:12:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2021-11-19 04:12:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2021-11-19 04:12:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-19 04:12:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-19 04:12:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-19 04:12:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-19 04:12:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-19 04:12:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-19 04:12:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_get [2021-11-19 04:12:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_get [2021-11-19 04:12:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2021-11-19 04:12:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2021-11-19 04:12:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2021-11-19 04:12:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2021-11-19 04:12:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-19 04:12:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-19 04:12:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2021-11-19 04:12:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2021-11-19 04:12:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-19 04:12:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-19 04:12:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 04:12:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2021-11-19 04:12:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2021-11-19 04:12:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2021-11-19 04:12:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2021-11-19 04:12:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-19 04:12:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-19 04:12:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_get [2021-11-19 04:12:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_get [2021-11-19 04:12:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 04:12:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 04:12:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2021-11-19 04:12:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2021-11-19 04:12:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 04:12:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 04:12:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_130 [2021-11-19 04:12:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_130 [2021-11-19 04:12:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-19 04:12:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-19 04:12:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 04:12:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 04:12:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_port_list_get [2021-11-19 04:12:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_port_list_get [2021-11-19 04:12:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-19 04:12:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-19 04:12:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2021-11-19 04:12:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2021-11-19 04:12:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2021-11-19 04:12:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2021-11-19 04:12:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 04:12:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 04:12:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-19 04:12:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-19 04:12:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-19 04:12:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-19 04:12:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2021-11-19 04:12:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2021-11-19 04:12:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 04:12:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 04:12:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2021-11-19 04:12:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2021-11-19 04:12:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2021-11-19 04:12:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2021-11-19 04:12:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 04:12:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 04:12:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 04:12:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 04:12:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-19 04:12:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-19 04:12:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-19 04:12:58,500 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-19 04:12:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2021-11-19 04:12:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2021-11-19 04:12:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-11-19 04:12:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-11-19 04:12:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2021-11-19 04:12:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2021-11-19 04:12:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:12:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2021-11-19 04:12:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2021-11-19 04:12:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 04:12:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 04:12:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_set [2021-11-19 04:12:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_set [2021-11-19 04:12:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2021-11-19 04:12:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2021-11-19 04:12:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_set [2021-11-19 04:12:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_set [2021-11-19 04:12:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_20_2 [2021-11-19 04:12:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_20_2 [2021-11-19 04:12:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-19 04:12:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2021-11-19 04:12:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2021-11-19 04:12:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2021-11-19 04:12:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2021-11-19 04:12:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_get [2021-11-19 04:12:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_get [2021-11-19 04:12:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-19 04:12:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-19 04:12:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-19 04:12:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2021-11-19 04:12:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2021-11-19 04:12:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 04:12:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 04:12:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 04:12:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 04:12:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 04:12:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 04:12:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-19 04:12:58,505 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-19 04:12:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-19 04:12:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-19 04:12:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 04:12:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 04:12:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_0 [2021-11-19 04:12:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_0 [2021-11-19 04:12:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 04:12:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 04:12:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 04:12:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 04:12:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2021-11-19 04:12:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2021-11-19 04:12:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2021-11-19 04:12:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2021-11-19 04:12:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2021-11-19 04:12:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2021-11-19 04:12:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2021-11-19 04:12:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2021-11-19 04:12:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 04:12:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 04:12:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2021-11-19 04:12:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2021-11-19 04:12:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:12:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 04:12:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-19 04:12:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-19 04:12:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-19 04:12:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-19 04:12:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2021-11-19 04:12:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2021-11-19 04:12:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2021-11-19 04:12:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2021-11-19 04:12:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2021-11-19 04:12:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2021-11-19 04:12:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 04:12:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 04:12:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 04:12:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 04:12:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 04:12:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 04:12:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2021-11-19 04:12:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2021-11-19 04:12:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_get [2021-11-19 04:12:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_get [2021-11-19 04:12:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-19 04:12:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-19 04:12:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2021-11-19 04:12:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2021-11-19 04:12:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2021-11-19 04:12:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2021-11-19 04:12:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-19 04:12:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-19 04:12:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-19 04:12:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-19 04:12:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-19 04:12:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 04:12:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 04:12:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 04:12:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 04:12:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 04:12:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 04:12:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 04:12:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2021-11-19 04:12:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2021-11-19 04:12:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 04:12:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 04:12:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2021-11-19 04:12:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2021-11-19 04:12:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2021-11-19 04:12:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2021-11-19 04:12:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-19 04:12:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-19 04:12:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2021-11-19 04:12:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2021-11-19 04:12:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2021-11-19 04:12:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2021-11-19 04:12:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-11-19 04:12:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-11-19 04:12:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2021-11-19 04:12:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2021-11-19 04:12:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-19 04:12:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-19 04:12:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2021-11-19 04:12:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2021-11-19 04:12:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 04:12:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 04:12:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 04:12:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2021-11-19 04:12:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2021-11-19 04:12:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure team_upper_dev_unlink [2021-11-19 04:12:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure team_upper_dev_unlink [2021-11-19 04:12:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 04:12:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 04:12:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 04:12:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 04:12:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2021-11-19 04:12:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2021-11-19 04:12:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-11-19 04:12:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-11-19 04:12:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 04:12:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 04:12:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_set [2021-11-19 04:12:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_set [2021-11-19 04:12:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2021-11-19 04:12:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2021-11-19 04:12:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 04:12:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 04:12:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2021-11-19 04:12:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2021-11-19 04:12:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 04:12:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 04:12:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 04:12:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 04:12:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-19 04:12:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-19 04:12:58,524 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2021-11-19 04:12:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2021-11-19 04:12:58,525 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_set [2021-11-19 04:12:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_set [2021-11-19 04:12:58,525 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-19 04:12:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-19 04:12:58,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 04:12:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 04:12:58,525 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2021-11-19 04:12:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2021-11-19 04:12:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-19 04:12:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-19 04:12:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-19 04:12:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-19 04:12:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 04:12:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 04:12:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2021-11-19 04:12:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2021-11-19 04:12:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 04:12:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 04:12:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 04:12:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 04:12:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2021-11-19 04:12:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2021-11-19 04:12:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 04:12:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 04:12:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2021-11-19 04:12:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2021-11-19 04:12:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-19 04:12:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-19 04:12:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-19 04:12:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-19 04:12:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_unregister [2021-11-19 04:12:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_unregister [2021-11-19 04:12:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:12:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register [2021-11-19 04:12:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register [2021-11-19 04:12:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 04:12:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 04:12:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-19 04:12:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-19 04:12:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-19 04:12:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-19 04:12:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_get [2021-11-19 04:12:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_get [2021-11-19 04:12:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2021-11-19 04:12:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2021-11-19 04:12:59,833 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:12:59,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:13:00,215 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 04:13:07,376 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:13:07,410 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:13:07,410 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-19 04:13:07,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:07 BoogieIcfgContainer [2021-11-19 04:13:07,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:13:07,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:13:07,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:13:07,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:13:07,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:12:48" (1/3) ... [2021-11-19 04:13:07,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371a0077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:07, skipping insertion in model container [2021-11-19 04:13:07,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:57" (2/3) ... [2021-11-19 04:13:07,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@371a0077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:07, skipping insertion in model container [2021-11-19 04:13:07,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:07" (3/3) ... [2021-11-19 04:13:07,428 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2021-11-19 04:13:07,434 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:13:07,434 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-19 04:13:07,513 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:13:07,526 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 [2021-11-19 04:13:07,527 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-19 04:13:07,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 3251 states, 2231 states have (on average 1.2868668758404302) internal successors, (2871), 2330 states have internal predecessors, (2871), 743 states have call successors, (743), 241 states have call predecessors, (743), 240 states have return successors, (730), 711 states have call predecessors, (730), 730 states have call successors, (730) [2021-11-19 04:13:07,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-19 04:13:07,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:13:07,629 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:13:07,630 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:13:07,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:13:07,635 INFO L85 PathProgramCache]: Analyzing trace with hash -421279904, now seen corresponding path program 1 times [2021-11-19 04:13:07,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:13:07,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581764432] [2021-11-19 04:13:07,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:13:07,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:13:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:13:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:13:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:13:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:13:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:13:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:13:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:13:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:13:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:13:08,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:13:08,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581764432] [2021-11-19 04:13:08,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581764432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:13:08,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:13:08,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:13:08,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543804669] [2021-11-19 04:13:08,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:13:08,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:13:08,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:13:08,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:13:08,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:13:08,842 INFO L87 Difference]: Start difference. First operand has 3251 states, 2231 states have (on average 1.2868668758404302) internal successors, (2871), 2330 states have internal predecessors, (2871), 743 states have call successors, (743), 241 states have call predecessors, (743), 240 states have return successors, (730), 711 states have call predecessors, (730), 730 states have call successors, (730) Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 04:13:19,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:13:19,174 INFO L93 Difference]: Finished difference Result 6404 states and 8775 transitions. [2021-11-19 04:13:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:13:19,177 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2021-11-19 04:13:19,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:13:19,217 INFO L225 Difference]: With dead ends: 6404 [2021-11-19 04:13:19,217 INFO L226 Difference]: Without dead ends: 3152 [2021-11-19 04:13:19,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:13:19,242 INFO L933 BasicCegarLoop]: 3560 mSDtfsCounter, 7582 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 3851 mSolverCounterSat, 3889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7703 SdHoareTripleChecker+Valid, 5335 SdHoareTripleChecker+Invalid, 7740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3889 IncrementalHoareTripleChecker+Valid, 3851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:13:19,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7703 Valid, 5335 Invalid, 7740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3889 Valid, 3851 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2021-11-19 04:13:19,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2021-11-19 04:13:19,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 3152. [2021-11-19 04:13:19,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3152 states, 2148 states have (on average 1.2425512104283054) internal successors, (2669), 2234 states have internal predecessors, (2669), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-19 04:13:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 4127 transitions. [2021-11-19 04:13:19,559 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 4127 transitions. Word has length 70 [2021-11-19 04:13:19,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:13:19,564 INFO L470 AbstractCegarLoop]: Abstraction has 3152 states and 4127 transitions. [2021-11-19 04:13:19,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 04:13:19,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 4127 transitions. [2021-11-19 04:13:19,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 04:13:19,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:13:19,576 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:13:19,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:13:19,577 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:13:19,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:13:19,578 INFO L85 PathProgramCache]: Analyzing trace with hash 60367389, now seen corresponding path program 1 times [2021-11-19 04:13:19,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:13:19,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417136330] [2021-11-19 04:13:19,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:13:19,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:13:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:19,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:13:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:19,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:13:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:19,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:13:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:20,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:13:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:13:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:13:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:20,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:13:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:20,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:13:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:13:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:13:20,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:13:20,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417136330] [2021-11-19 04:13:20,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417136330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:13:20,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:13:20,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:13:20,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508611344] [2021-11-19 04:13:20,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:13:20,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:13:20,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:13:20,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:13:20,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:13:20,235 INFO L87 Difference]: Start difference. First operand 3152 states and 4127 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-19 04:13:22,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:13:23,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:13:32,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:13:32,159 INFO L93 Difference]: Finished difference Result 3152 states and 4127 transitions. [2021-11-19 04:13:32,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:13:32,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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 76 [2021-11-19 04:13:32,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:13:32,185 INFO L225 Difference]: With dead ends: 3152 [2021-11-19 04:13:32,185 INFO L226 Difference]: Without dead ends: 3150 [2021-11-19 04:13:32,187 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 [2021-11-19 04:13:32,188 INFO L933 BasicCegarLoop]: 3522 mSDtfsCounter, 7525 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3835 mSolverCounterSat, 3862 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7643 SdHoareTripleChecker+Valid, 5246 SdHoareTripleChecker+Invalid, 7698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3835 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-11-19 04:13:32,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7643 Valid, 5246 Invalid, 7698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3835 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2021-11-19 04:13:32,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2021-11-19 04:13:32,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3150. [2021-11-19 04:13:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2147 states have (on average 1.2421984163949698) internal successors, (2667), 2232 states have internal predecessors, (2667), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-19 04:13:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4125 transitions. [2021-11-19 04:13:32,436 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4125 transitions. Word has length 76 [2021-11-19 04:13:32,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:13:32,439 INFO L470 AbstractCegarLoop]: Abstraction has 3150 states and 4125 transitions. [2021-11-19 04:13:32,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-19 04:13:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4125 transitions. [2021-11-19 04:13:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-19 04:13:32,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:13:32,443 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:13:32,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:13:32,445 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:13:32,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:13:32,445 INFO L85 PathProgramCache]: Analyzing trace with hash 968027039, now seen corresponding path program 1 times [2021-11-19 04:13:32,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:13:32,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393126348] [2021-11-19 04:13:32,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:13:32,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:13:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:13:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:13:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:13:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:13:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:13:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:13:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:13:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:13:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:13:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:13:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:13:33,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:13:33,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393126348] [2021-11-19 04:13:33,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393126348] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:13:33,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:13:33,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:13:33,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655781306] [2021-11-19 04:13:33,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:13:33,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:13:33,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:13:33,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:13:33,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:13:33,014 INFO L87 Difference]: Start difference. First operand 3150 states and 4125 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-11-19 04:13:35,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:13:37,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:13:45,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:13:45,322 INFO L93 Difference]: Finished difference Result 3150 states and 4125 transitions. [2021-11-19 04:13:45,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:13:45,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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 82 [2021-11-19 04:13:45,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:13:45,347 INFO L225 Difference]: With dead ends: 3150 [2021-11-19 04:13:45,348 INFO L226 Difference]: Without dead ends: 3148 [2021-11-19 04:13:45,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:13:45,352 INFO L933 BasicCegarLoop]: 3520 mSDtfsCounter, 7519 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3832 mSolverCounterSat, 3862 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7636 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 7696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3832 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2021-11-19 04:13:45,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7636 Valid, 5244 Invalid, 7696 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3832 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2021-11-19 04:13:45,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2021-11-19 04:13:45,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3148. [2021-11-19 04:13:45,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 2146 states have (on average 1.2418452935694315) internal successors, (2665), 2230 states have internal predecessors, (2665), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-19 04:13:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 4123 transitions. [2021-11-19 04:13:45,513 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 4123 transitions. Word has length 82 [2021-11-19 04:13:45,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:13:45,514 INFO L470 AbstractCegarLoop]: Abstraction has 3148 states and 4123 transitions. [2021-11-19 04:13:45,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-11-19 04:13:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 4123 transitions. [2021-11-19 04:13:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-19 04:13:45,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:13:45,516 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:13:45,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:13:45,516 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:13:45,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:13:45,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1570637701, now seen corresponding path program 1 times [2021-11-19 04:13:45,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:13:45,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941092685] [2021-11-19 04:13:45,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:13:45,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:13:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:45,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:13:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:13:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:45,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:13:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 04:13:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:13:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:13:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-19 04:13:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-19 04:13:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:13:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:13:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:13:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:13:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:13:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-19 04:13:46,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:13:46,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941092685] [2021-11-19 04:13:46,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941092685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:13:46,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:13:46,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:13:46,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199583738] [2021-11-19 04:13:46,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:13:46,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:13:46,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:13:46,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:13:46,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:13:46,169 INFO L87 Difference]: Start difference. First operand 3148 states and 4123 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-19 04:13:48,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:14:00,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:14:00,030 INFO L93 Difference]: Finished difference Result 6932 states and 9420 transitions. [2021-11-19 04:14:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:14:00,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 97 [2021-11-19 04:14:00,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:14:00,085 INFO L225 Difference]: With dead ends: 6932 [2021-11-19 04:14:00,085 INFO L226 Difference]: Without dead ends: 6930 [2021-11-19 04:14:00,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:14:00,091 INFO L933 BasicCegarLoop]: 6618 mSDtfsCounter, 5529 mSDsluCounter, 16024 mSDsCounter, 0 mSdLazyCounter, 7000 mSolverCounterSat, 2080 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6113 SdHoareTripleChecker+Valid, 22642 SdHoareTripleChecker+Invalid, 9081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2080 IncrementalHoareTripleChecker+Valid, 7000 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:14:00,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6113 Valid, 22642 Invalid, 9081 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2080 Valid, 7000 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2021-11-19 04:14:00,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6930 states. [2021-11-19 04:14:00,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6930 to 6111. [2021-11-19 04:14:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6111 states, 4198 states have (on average 1.2477370176274416) internal successors, (5238), 4350 states have internal predecessors, (5238), 1393 states have call successors, (1393), 469 states have call predecessors, (1393), 487 states have return successors, (1535), 1351 states have call predecessors, (1535), 1391 states have call successors, (1535) [2021-11-19 04:14:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6111 states to 6111 states and 8166 transitions. [2021-11-19 04:14:00,507 INFO L78 Accepts]: Start accepts. Automaton has 6111 states and 8166 transitions. Word has length 97 [2021-11-19 04:14:00,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:14:00,507 INFO L470 AbstractCegarLoop]: Abstraction has 6111 states and 8166 transitions. [2021-11-19 04:14:00,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-19 04:14:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6111 states and 8166 transitions. [2021-11-19 04:14:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-19 04:14:00,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:14:00,516 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:14:00,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 04:14:00,517 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:14:00,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:14:00,517 INFO L85 PathProgramCache]: Analyzing trace with hash 751652485, now seen corresponding path program 1 times [2021-11-19 04:14:00,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:14:00,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443724002] [2021-11-19 04:14:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:14:00,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:14:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:14:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:14:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:14:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:14:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:14:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:14:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:14:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:14:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:14:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:14:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:14:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:14:00,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:14:00,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443724002] [2021-11-19 04:14:00,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443724002] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:14:00,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:14:00,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:14:00,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033153193] [2021-11-19 04:14:00,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:14:00,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:14:00,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:14:00,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:14:00,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:14:00,998 INFO L87 Difference]: Start difference. First operand 6111 states and 8166 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-11-19 04:14:02,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:14:04,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:14:12,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:14:12,644 INFO L93 Difference]: Finished difference Result 6111 states and 8166 transitions. [2021-11-19 04:14:12,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:14:12,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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 88 [2021-11-19 04:14:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:14:12,698 INFO L225 Difference]: With dead ends: 6111 [2021-11-19 04:14:12,698 INFO L226 Difference]: Without dead ends: 6109 [2021-11-19 04:14:12,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:14:12,703 INFO L933 BasicCegarLoop]: 3518 mSDtfsCounter, 7513 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3831 mSolverCounterSat, 3862 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7629 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 7694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3831 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:14:12,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7629 Valid, 5242 Invalid, 7694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3831 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2021-11-19 04:14:12,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6109 states. [2021-11-19 04:14:13,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6109 to 6109. [2021-11-19 04:14:13,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6109 states, 4197 states have (on average 1.2473195139385276) internal successors, (5235), 4348 states have internal predecessors, (5235), 1393 states have call successors, (1393), 469 states have call predecessors, (1393), 487 states have return successors, (1535), 1351 states have call predecessors, (1535), 1391 states have call successors, (1535) [2021-11-19 04:14:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6109 states to 6109 states and 8163 transitions. [2021-11-19 04:14:13,109 INFO L78 Accepts]: Start accepts. Automaton has 6109 states and 8163 transitions. Word has length 88 [2021-11-19 04:14:13,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:14:13,111 INFO L470 AbstractCegarLoop]: Abstraction has 6109 states and 8163 transitions. [2021-11-19 04:14:13,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-11-19 04:14:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 6109 states and 8163 transitions. [2021-11-19 04:14:13,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-19 04:14:13,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:14:13,113 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:14:13,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 04:14:13,114 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:14:13,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:14:13,114 INFO L85 PathProgramCache]: Analyzing trace with hash -623154177, now seen corresponding path program 1 times [2021-11-19 04:14:13,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:14:13,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783494878] [2021-11-19 04:14:13,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:14:13,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:14:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:14:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:14:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:14:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:14:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:14:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:14:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:14:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:14:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:14:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:14:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:14:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:14:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:14:13,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:14:13,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783494878] [2021-11-19 04:14:13,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783494878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:14:13,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:14:13,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:14:13,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169840159] [2021-11-19 04:14:13,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:14:13,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:14:13,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:14:13,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:14:13,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:14:13,593 INFO L87 Difference]: Start difference. First operand 6109 states and 8163 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-11-19 04:14:15,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:14:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:14:24,109 INFO L93 Difference]: Finished difference Result 6109 states and 8163 transitions. [2021-11-19 04:14:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:14:24,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 94 [2021-11-19 04:14:24,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:14:24,152 INFO L225 Difference]: With dead ends: 6109 [2021-11-19 04:14:24,152 INFO L226 Difference]: Without dead ends: 6107 [2021-11-19 04:14:24,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:14:24,156 INFO L933 BasicCegarLoop]: 3516 mSDtfsCounter, 7507 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3829 mSolverCounterSat, 3862 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7622 SdHoareTripleChecker+Valid, 5240 SdHoareTripleChecker+Invalid, 7692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3829 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:14:24,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7622 Valid, 5240 Invalid, 7692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3829 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2021-11-19 04:14:24,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6107 states. [2021-11-19 04:14:24,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6107 to 6107. [2021-11-19 04:14:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6107 states, 4196 states have (on average 1.2469018112488084) internal successors, (5232), 4346 states have internal predecessors, (5232), 1393 states have call successors, (1393), 469 states have call predecessors, (1393), 487 states have return successors, (1535), 1351 states have call predecessors, (1535), 1391 states have call successors, (1535) [2021-11-19 04:14:24,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 6107 states and 8160 transitions. [2021-11-19 04:14:24,552 INFO L78 Accepts]: Start accepts. Automaton has 6107 states and 8160 transitions. Word has length 94 [2021-11-19 04:14:24,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:14:24,553 INFO L470 AbstractCegarLoop]: Abstraction has 6107 states and 8160 transitions. [2021-11-19 04:14:24,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-11-19 04:14:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand 6107 states and 8160 transitions. [2021-11-19 04:14:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-19 04:14:24,556 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:14:24,557 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:14:24,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 04:14:24,557 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:14:24,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:14:24,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1442149089, now seen corresponding path program 1 times [2021-11-19 04:14:24,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:14:24,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425144559] [2021-11-19 04:14:24,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:14:24,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:14:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:14:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:14:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:14:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:14:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:14:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:14:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:14:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:14:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:14:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:14:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:24,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:14:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:14:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:14:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:14:25,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:14:25,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425144559] [2021-11-19 04:14:25,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425144559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:14:25,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:14:25,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:14:25,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858562418] [2021-11-19 04:14:25,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:14:25,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:14:25,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:14:25,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:14:25,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:14:25,046 INFO L87 Difference]: Start difference. First operand 6107 states and 8160 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-19 04:14:27,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:14:29,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:14:37,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:14:37,164 INFO L93 Difference]: Finished difference Result 6107 states and 8160 transitions. [2021-11-19 04:14:37,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:14:37,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 100 [2021-11-19 04:14:37,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:14:37,197 INFO L225 Difference]: With dead ends: 6107 [2021-11-19 04:14:37,197 INFO L226 Difference]: Without dead ends: 6105 [2021-11-19 04:14:37,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:14:37,203 INFO L933 BasicCegarLoop]: 3514 mSDtfsCounter, 7501 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3826 mSolverCounterSat, 3862 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7615 SdHoareTripleChecker+Valid, 5238 SdHoareTripleChecker+Invalid, 7690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3826 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:14:37,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7615 Valid, 5238 Invalid, 7690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3826 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2021-11-19 04:14:37,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6105 states. [2021-11-19 04:14:37,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6105 to 6105. [2021-11-19 04:14:37,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6105 states, 4195 states have (on average 1.2464839094159714) internal successors, (5229), 4344 states have internal predecessors, (5229), 1393 states have call successors, (1393), 469 states have call predecessors, (1393), 487 states have return successors, (1535), 1351 states have call predecessors, (1535), 1391 states have call successors, (1535) [2021-11-19 04:14:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6105 states to 6105 states and 8157 transitions. [2021-11-19 04:14:37,637 INFO L78 Accepts]: Start accepts. Automaton has 6105 states and 8157 transitions. Word has length 100 [2021-11-19 04:14:37,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:14:37,637 INFO L470 AbstractCegarLoop]: Abstraction has 6105 states and 8157 transitions. [2021-11-19 04:14:37,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-19 04:14:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 6105 states and 8157 transitions. [2021-11-19 04:14:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-19 04:14:37,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:14:37,642 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:14:37,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 04:14:37,643 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:14:37,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:14:37,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1732215939, now seen corresponding path program 1 times [2021-11-19 04:14:37,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:14:37,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101336666] [2021-11-19 04:14:37,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:14:37,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:14:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:14:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:14:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:14:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 04:14:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:14:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:14:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-19 04:14:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-19 04:14:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:14:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:14:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:14:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-19 04:14:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-19 04:14:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:14:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-19 04:14:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:14:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-19 04:14:38,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:14:38,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101336666] [2021-11-19 04:14:38,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101336666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:14:38,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:14:38,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 04:14:38,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579958364] [2021-11-19 04:14:38,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:14:38,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 04:14:38,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:14:38,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 04:14:38,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:14:38,309 INFO L87 Difference]: Start difference. First operand 6105 states and 8157 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:14:40,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:14:42,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:14:43,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:15:04,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:15:04,534 INFO L93 Difference]: Finished difference Result 8737 states and 12210 transitions. [2021-11-19 04:15:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 04:15:04,534 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 127 [2021-11-19 04:15:04,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:15:04,569 INFO L225 Difference]: With dead ends: 8737 [2021-11-19 04:15:04,569 INFO L226 Difference]: Without dead ends: 8735 [2021-11-19 04:15:04,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-19 04:15:04,575 INFO L933 BasicCegarLoop]: 4727 mSDtfsCounter, 11625 mSDsluCounter, 12238 mSDsCounter, 0 mSdLazyCounter, 13321 mSolverCounterSat, 6601 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12196 SdHoareTripleChecker+Valid, 16965 SdHoareTripleChecker+Invalid, 19924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6601 IncrementalHoareTripleChecker+Valid, 13321 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-19 04:15:04,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12196 Valid, 16965 Invalid, 19924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6601 Valid, 13321 Invalid, 2 Unknown, 0 Unchecked, 25.2s Time] [2021-11-19 04:15:04,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8735 states. [2021-11-19 04:15:05,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8735 to 7085. [2021-11-19 04:15:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7085 states, 4904 states have (on average 1.2506117455138663) internal successors, (6133), 5062 states have internal predecessors, (6133), 1631 states have call successors, (1631), 472 states have call predecessors, (1631), 520 states have return successors, (1794), 1613 states have call predecessors, (1794), 1629 states have call successors, (1794) [2021-11-19 04:15:05,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7085 states to 7085 states and 9558 transitions. [2021-11-19 04:15:05,090 INFO L78 Accepts]: Start accepts. Automaton has 7085 states and 9558 transitions. Word has length 127 [2021-11-19 04:15:05,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:15:05,090 INFO L470 AbstractCegarLoop]: Abstraction has 7085 states and 9558 transitions. [2021-11-19 04:15:05,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:15:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 7085 states and 9558 transitions. [2021-11-19 04:15:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-19 04:15:05,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:15:05,093 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:15:05,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 04:15:05,094 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:15:05,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:15:05,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2008776906, now seen corresponding path program 1 times [2021-11-19 04:15:05,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:15:05,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283868402] [2021-11-19 04:15:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:15:05,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:15:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:15:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:15:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:15:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:15:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:15:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:15:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:15:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:15:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:15:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:15:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:15:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:15:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:15:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:15:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:15:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:15:05,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:15:05,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283868402] [2021-11-19 04:15:05,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283868402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:15:05,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:15:05,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:15:05,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509595528] [2021-11-19 04:15:05,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:15:05,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:15:05,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:15:05,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:15:05,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:15:05,562 INFO L87 Difference]: Start difference. First operand 7085 states and 9558 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-19 04:15:08,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:15:16,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:15:16,022 INFO L93 Difference]: Finished difference Result 7085 states and 9558 transitions. [2021-11-19 04:15:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:15:16,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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 106 [2021-11-19 04:15:16,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:15:16,051 INFO L225 Difference]: With dead ends: 7085 [2021-11-19 04:15:16,052 INFO L226 Difference]: Without dead ends: 7083 [2021-11-19 04:15:16,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:15:16,057 INFO L933 BasicCegarLoop]: 3512 mSDtfsCounter, 7495 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3825 mSolverCounterSat, 3862 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7608 SdHoareTripleChecker+Valid, 5236 SdHoareTripleChecker+Invalid, 7688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3825 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-11-19 04:15:16,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7608 Valid, 5236 Invalid, 7688 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3825 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2021-11-19 04:15:16,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7083 states. [2021-11-19 04:15:16,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7083 to 7083. [2021-11-19 04:15:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7083 states, 4903 states have (on average 1.2502549459514583) internal successors, (6130), 5060 states have internal predecessors, (6130), 1631 states have call successors, (1631), 472 states have call predecessors, (1631), 520 states have return successors, (1794), 1613 states have call predecessors, (1794), 1629 states have call successors, (1794) [2021-11-19 04:15:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7083 states to 7083 states and 9555 transitions. [2021-11-19 04:15:16,559 INFO L78 Accepts]: Start accepts. Automaton has 7083 states and 9555 transitions. Word has length 106 [2021-11-19 04:15:16,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:15:16,560 INFO L470 AbstractCegarLoop]: Abstraction has 7083 states and 9555 transitions. [2021-11-19 04:15:16,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-19 04:15:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 7083 states and 9555 transitions. [2021-11-19 04:15:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-19 04:15:16,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:15:16,566 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:15:16,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 04:15:16,566 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:15:16,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:15:16,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1103970101, now seen corresponding path program 1 times [2021-11-19 04:15:16,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:15:16,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679470087] [2021-11-19 04:15:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:15:16,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:15:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:16,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:15:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:15:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:15:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:15:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:15:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:15:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:15:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:15:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:15:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-19 04:15:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-19 04:15:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:15:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:15:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:17,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:15:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:17,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-19 04:15:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:17,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:15:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-19 04:15:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-19 04:15:17,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:15:17,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679470087] [2021-11-19 04:15:17,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679470087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:15:17,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:15:17,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 04:15:17,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443524432] [2021-11-19 04:15:17,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:15:17,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 04:15:17,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:15:17,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 04:15:17,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:15:17,128 INFO L87 Difference]: Start difference. First operand 7083 states and 9555 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-19 04:15:18,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:15:21,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:15:23,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:15:25,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:15:44,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:15:44,535 INFO L93 Difference]: Finished difference Result 15353 states and 21449 transitions. [2021-11-19 04:15:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 04:15:44,535 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 119 [2021-11-19 04:15:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:15:44,577 INFO L225 Difference]: With dead ends: 15353 [2021-11-19 04:15:44,577 INFO L226 Difference]: Without dead ends: 8287 [2021-11-19 04:15:44,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-19 04:15:44,626 INFO L933 BasicCegarLoop]: 3498 mSDtfsCounter, 10255 mSDsluCounter, 3480 mSDsCounter, 0 mSdLazyCounter, 12961 mSolverCounterSat, 6081 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10379 SdHoareTripleChecker+Valid, 6978 SdHoareTripleChecker+Invalid, 19045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6081 IncrementalHoareTripleChecker+Valid, 12961 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2021-11-19 04:15:44,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10379 Valid, 6978 Invalid, 19045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6081 Valid, 12961 Invalid, 3 Unknown, 0 Unchecked, 26.4s Time] [2021-11-19 04:15:44,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8287 states. [2021-11-19 04:15:45,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8287 to 7083. [2021-11-19 04:15:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7083 states, 4903 states have (on average 1.249847032429125) internal successors, (6128), 5060 states have internal predecessors, (6128), 1631 states have call successors, (1631), 472 states have call predecessors, (1631), 520 states have return successors, (1794), 1613 states have call predecessors, (1794), 1629 states have call successors, (1794) [2021-11-19 04:15:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7083 states to 7083 states and 9553 transitions. [2021-11-19 04:15:45,218 INFO L78 Accepts]: Start accepts. Automaton has 7083 states and 9553 transitions. Word has length 119 [2021-11-19 04:15:45,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:15:45,219 INFO L470 AbstractCegarLoop]: Abstraction has 7083 states and 9553 transitions. [2021-11-19 04:15:45,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-19 04:15:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 7083 states and 9553 transitions. [2021-11-19 04:15:45,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-19 04:15:45,222 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:15:45,222 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:15:45,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 04:15:45,223 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:15:45,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:15:45,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1103910519, now seen corresponding path program 1 times [2021-11-19 04:15:45,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:15:45,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486353854] [2021-11-19 04:15:45,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:15:45,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:15:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:15:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:15:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:15:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:15:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:15:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:15:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:15:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:15:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:15:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-19 04:15:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-19 04:15:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:15:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:15:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:15:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-19 04:15:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:15:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-19 04:15:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:15:45,593 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-19 04:15:45,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:15:45,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486353854] [2021-11-19 04:15:45,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486353854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:15:45,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:15:45,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 04:15:45,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812147299] [2021-11-19 04:15:45,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:15:45,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 04:15:45,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:15:45,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 04:15:45,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:15:45,596 INFO L87 Difference]: Start difference. First operand 7083 states and 9553 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-19 04:15:47,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:15:49,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:15:51,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:16:04,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:16:04,831 INFO L93 Difference]: Finished difference Result 8287 states and 11519 transitions. [2021-11-19 04:16:04,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:16:04,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 119 [2021-11-19 04:16:04,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:16:04,863 INFO L225 Difference]: With dead ends: 8287 [2021-11-19 04:16:04,863 INFO L226 Difference]: Without dead ends: 8285 [2021-11-19 04:16:04,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-19 04:16:04,868 INFO L933 BasicCegarLoop]: 3508 mSDtfsCounter, 7088 mSDsluCounter, 3190 mSDsCounter, 0 mSdLazyCounter, 9028 mSolverCounterSat, 4506 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7088 SdHoareTripleChecker+Valid, 6698 SdHoareTripleChecker+Invalid, 13537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4506 IncrementalHoareTripleChecker+Valid, 9028 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2021-11-19 04:16:04,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7088 Valid, 6698 Invalid, 13537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4506 Valid, 9028 Invalid, 3 Unknown, 0 Unchecked, 18.4s Time] [2021-11-19 04:16:04,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8285 states. [2021-11-19 04:16:05,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8285 to 7081. [2021-11-19 04:16:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7081 states, 4902 states have (on average 1.2494900040799675) internal successors, (6125), 5058 states have internal predecessors, (6125), 1631 states have call successors, (1631), 472 states have call predecessors, (1631), 520 states have return successors, (1794), 1613 states have call predecessors, (1794), 1629 states have call successors, (1794) [2021-11-19 04:16:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7081 states to 7081 states and 9550 transitions. [2021-11-19 04:16:05,490 INFO L78 Accepts]: Start accepts. Automaton has 7081 states and 9550 transitions. Word has length 119 [2021-11-19 04:16:05,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:16:05,493 INFO L470 AbstractCegarLoop]: Abstraction has 7081 states and 9550 transitions. [2021-11-19 04:16:05,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-19 04:16:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 7081 states and 9550 transitions. [2021-11-19 04:16:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-19 04:16:05,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:16:05,496 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:16:05,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 04:16:05,496 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:16:05,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:16:05,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1185347957, now seen corresponding path program 1 times [2021-11-19 04:16:05,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:16:05,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642851261] [2021-11-19 04:16:05,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:16:05,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:16:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:16:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:16:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:16:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:16:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:16:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:16:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:16:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:16:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:16:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:16:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:16:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:16:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:16:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:16:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:16:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:16:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:05,910 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:16:05,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:16:05,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642851261] [2021-11-19 04:16:05,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642851261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:16:05,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:16:05,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:16:05,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901783901] [2021-11-19 04:16:05,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:16:05,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:16:05,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:16:05,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:16:05,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:16:05,913 INFO L87 Difference]: Start difference. First operand 7081 states and 9550 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-19 04:16:07,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:16:10,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:16:17,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:16:17,595 INFO L93 Difference]: Finished difference Result 7081 states and 9550 transitions. [2021-11-19 04:16:17,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:16:17,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 112 [2021-11-19 04:16:17,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:16:17,620 INFO L225 Difference]: With dead ends: 7081 [2021-11-19 04:16:17,620 INFO L226 Difference]: Without dead ends: 7079 [2021-11-19 04:16:17,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:16:17,625 INFO L933 BasicCegarLoop]: 3507 mSDtfsCounter, 7484 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3815 mSolverCounterSat, 3862 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7596 SdHoareTripleChecker+Valid, 5231 SdHoareTripleChecker+Invalid, 7679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3815 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-11-19 04:16:17,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7596 Valid, 5231 Invalid, 7679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3862 Valid, 3815 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2021-11-19 04:16:17,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7079 states. [2021-11-19 04:16:18,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7079 to 7079. [2021-11-19 04:16:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7079 states, 4901 states have (on average 1.249132830034687) internal successors, (6122), 5056 states have internal predecessors, (6122), 1631 states have call successors, (1631), 472 states have call predecessors, (1631), 520 states have return successors, (1794), 1613 states have call predecessors, (1794), 1629 states have call successors, (1794) [2021-11-19 04:16:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 9547 transitions. [2021-11-19 04:16:18,220 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 9547 transitions. Word has length 112 [2021-11-19 04:16:18,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:16:18,220 INFO L470 AbstractCegarLoop]: Abstraction has 7079 states and 9547 transitions. [2021-11-19 04:16:18,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-19 04:16:18,221 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 9547 transitions. [2021-11-19 04:16:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-19 04:16:18,223 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:16:18,223 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:16:18,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 04:16:18,224 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:16:18,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:16:18,224 INFO L85 PathProgramCache]: Analyzing trace with hash -848632241, now seen corresponding path program 1 times [2021-11-19 04:16:18,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:16:18,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231478037] [2021-11-19 04:16:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:16:18,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:16:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:16:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:16:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:16:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:16:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:16:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:16:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:16:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:16:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:16:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-19 04:16:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-19 04:16:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:16:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:16:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:16:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-19 04:16:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:16:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-19 04:16:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-19 04:16:18,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:16:18,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231478037] [2021-11-19 04:16:18,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231478037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:16:18,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:16:18,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:16:18,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376927258] [2021-11-19 04:16:18,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:16:18,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:16:18,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:16:18,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:16:18,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:16:18,623 INFO L87 Difference]: Start difference. First operand 7079 states and 9547 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-19 04:16:20,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:16:22,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:16:24,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:16:32,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:16:32,082 INFO L93 Difference]: Finished difference Result 15339 states and 21426 transitions. [2021-11-19 04:16:32,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:16:32,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 123 [2021-11-19 04:16:32,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:16:32,114 INFO L225 Difference]: With dead ends: 15339 [2021-11-19 04:16:32,114 INFO L226 Difference]: Without dead ends: 8277 [2021-11-19 04:16:32,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:16:32,160 INFO L933 BasicCegarLoop]: 3508 mSDtfsCounter, 10164 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 2846 mSolverCounterSat, 6033 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10289 SdHoareTripleChecker+Valid, 4398 SdHoareTripleChecker+Invalid, 8881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6033 IncrementalHoareTripleChecker+Valid, 2846 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:16:32,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10289 Valid, 4398 Invalid, 8881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6033 Valid, 2846 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2021-11-19 04:16:32,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8277 states. [2021-11-19 04:16:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8277 to 7073. [2021-11-19 04:16:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7073 states, 4896 states have (on average 1.2485702614379084) internal successors, (6113), 5050 states have internal predecessors, (6113), 1631 states have call successors, (1631), 472 states have call predecessors, (1631), 520 states have return successors, (1794), 1613 states have call predecessors, (1794), 1629 states have call successors, (1794) [2021-11-19 04:16:32,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7073 states to 7073 states and 9538 transitions. [2021-11-19 04:16:32,864 INFO L78 Accepts]: Start accepts. Automaton has 7073 states and 9538 transitions. Word has length 123 [2021-11-19 04:16:32,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:16:32,865 INFO L470 AbstractCegarLoop]: Abstraction has 7073 states and 9538 transitions. [2021-11-19 04:16:32,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-19 04:16:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 7073 states and 9538 transitions. [2021-11-19 04:16:32,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 04:16:32,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:16:32,868 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:16:32,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 04:16:32,868 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:16:32,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:16:32,869 INFO L85 PathProgramCache]: Analyzing trace with hash 953287352, now seen corresponding path program 1 times [2021-11-19 04:16:32,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:16:32,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077874405] [2021-11-19 04:16:32,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:16:32,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:16:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:16:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:16:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:16:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:16:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:16:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:16:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:16:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:16:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:16:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:16:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:16:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:16:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:16:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:16:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:16:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:16:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:16:33,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:16:33,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077874405] [2021-11-19 04:16:33,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077874405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:16:33,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:16:33,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:16:33,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191208203] [2021-11-19 04:16:33,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:16:33,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:16:33,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:16:33,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:16:33,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:16:33,259 INFO L87 Difference]: Start difference. First operand 7073 states and 9538 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-11-19 04:16:35,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:16:37,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:16:45,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:16:45,677 INFO L93 Difference]: Finished difference Result 7073 states and 9538 transitions. [2021-11-19 04:16:45,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:16:45,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 114 [2021-11-19 04:16:45,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:16:45,698 INFO L225 Difference]: With dead ends: 7073 [2021-11-19 04:16:45,698 INFO L226 Difference]: Without dead ends: 7071 [2021-11-19 04:16:45,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:16:45,701 INFO L933 BasicCegarLoop]: 3500 mSDtfsCounter, 7457 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3812 mSolverCounterSat, 3862 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7569 SdHoareTripleChecker+Valid, 5224 SdHoareTripleChecker+Invalid, 7676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3812 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:16:45,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7569 Valid, 5224 Invalid, 7676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3862 Valid, 3812 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2021-11-19 04:16:45,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2021-11-19 04:16:46,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 7071. [2021-11-19 04:16:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7071 states, 4895 states have (on average 1.2482124616956078) internal successors, (6110), 5048 states have internal predecessors, (6110), 1631 states have call successors, (1631), 472 states have call predecessors, (1631), 520 states have return successors, (1794), 1613 states have call predecessors, (1794), 1629 states have call successors, (1794) [2021-11-19 04:16:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7071 states to 7071 states and 9535 transitions. [2021-11-19 04:16:46,161 INFO L78 Accepts]: Start accepts. Automaton has 7071 states and 9535 transitions. Word has length 114 [2021-11-19 04:16:46,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:16:46,161 INFO L470 AbstractCegarLoop]: Abstraction has 7071 states and 9535 transitions. [2021-11-19 04:16:46,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-11-19 04:16:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 7071 states and 9535 transitions. [2021-11-19 04:16:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-19 04:16:46,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:16:46,165 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:16:46,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 04:16:46,165 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:16:46,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:16:46,166 INFO L85 PathProgramCache]: Analyzing trace with hash -141032601, now seen corresponding path program 1 times [2021-11-19 04:16:46,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:16:46,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435200329] [2021-11-19 04:16:46,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:16:46,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:16:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:16:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:16:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:16:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:16:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:16:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:16:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:16:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:16:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:16:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:16:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:16:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:16:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:16:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:16:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:16:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:16:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-19 04:16:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:16:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:16:46,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:16:46,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435200329] [2021-11-19 04:16:46,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435200329] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:16:46,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:16:46,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:16:46,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792728878] [2021-11-19 04:16:46,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:16:46,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:16:46,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:16:46,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:16:46,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:16:46,658 INFO L87 Difference]: Start difference. First operand 7071 states and 9535 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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) [2021-11-19 04:16:48,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:16:50,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:17:10,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:17:10,352 INFO L93 Difference]: Finished difference Result 14125 states and 19316 transitions. [2021-11-19 04:17:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 04:17:10,353 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 120 [2021-11-19 04:17:10,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:17:10,402 INFO L225 Difference]: With dead ends: 14125 [2021-11-19 04:17:10,402 INFO L226 Difference]: Without dead ends: 14123 [2021-11-19 04:17:10,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-19 04:17:10,410 INFO L933 BasicCegarLoop]: 4188 mSDtfsCounter, 11303 mSDsluCounter, 3118 mSDsCounter, 0 mSdLazyCounter, 8707 mSolverCounterSat, 6339 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11410 SdHoareTripleChecker+Valid, 7306 SdHoareTripleChecker+Invalid, 15048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6339 IncrementalHoareTripleChecker+Valid, 8707 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2021-11-19 04:17:10,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11410 Valid, 7306 Invalid, 15048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6339 Valid, 8707 Invalid, 2 Unknown, 0 Unchecked, 22.2s Time] [2021-11-19 04:17:10,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14123 states. [2021-11-19 04:17:11,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14123 to 13937. [2021-11-19 04:17:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13937 states, 9668 states have (on average 1.2486553578816715) internal successors, (12072), 9949 states have internal predecessors, (12072), 3224 states have call successors, (3224), 923 states have call predecessors, (3224), 1020 states have return successors, (3823), 3189 states have call predecessors, (3823), 3222 states have call successors, (3823) [2021-11-19 04:17:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13937 states to 13937 states and 19119 transitions. [2021-11-19 04:17:11,705 INFO L78 Accepts]: Start accepts. Automaton has 13937 states and 19119 transitions. Word has length 120 [2021-11-19 04:17:11,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:17:11,706 INFO L470 AbstractCegarLoop]: Abstraction has 13937 states and 19119 transitions. [2021-11-19 04:17:11,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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) [2021-11-19 04:17:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 13937 states and 19119 transitions. [2021-11-19 04:17:11,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 04:17:11,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:17:11,711 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:17:11,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-19 04:17:11,711 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:17:11,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:17:11,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1188750476, now seen corresponding path program 1 times [2021-11-19 04:17:11,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:17:11,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374659749] [2021-11-19 04:17:11,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:17:11,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:17:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:17:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:17:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:17:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:17:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:17:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:17:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:17:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:17:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:17:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:17:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:17:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:17:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:17:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:17:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:17:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-19 04:17:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-19 04:17:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:17:12,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:17:12,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374659749] [2021-11-19 04:17:12,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374659749] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:17:12,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:17:12,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:17:12,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133979948] [2021-11-19 04:17:12,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:17:12,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:17:12,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:17:12,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:17:12,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:17:12,235 INFO L87 Difference]: Start difference. First operand 13937 states and 19119 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-19 04:17:14,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:17:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:17:24,792 INFO L93 Difference]: Finished difference Result 13937 states and 19119 transitions. [2021-11-19 04:17:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:17:24,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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 126 [2021-11-19 04:17:24,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:17:24,846 INFO L225 Difference]: With dead ends: 13937 [2021-11-19 04:17:24,846 INFO L226 Difference]: Without dead ends: 13935 [2021-11-19 04:17:24,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:17:24,855 INFO L933 BasicCegarLoop]: 3497 mSDtfsCounter, 7453 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3812 mSolverCounterSat, 3862 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7563 SdHoareTripleChecker+Valid, 5221 SdHoareTripleChecker+Invalid, 7675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3812 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-11-19 04:17:24,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7563 Valid, 5221 Invalid, 7675 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2021-11-19 04:17:24,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13935 states. [2021-11-19 04:17:26,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13935 to 13935. [2021-11-19 04:17:26,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13935 states, 9667 states have (on average 1.2484741905451535) internal successors, (12069), 9947 states have internal predecessors, (12069), 3224 states have call successors, (3224), 923 states have call predecessors, (3224), 1020 states have return successors, (3823), 3189 states have call predecessors, (3823), 3222 states have call successors, (3823) [2021-11-19 04:17:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13935 states to 13935 states and 19116 transitions. [2021-11-19 04:17:26,151 INFO L78 Accepts]: Start accepts. Automaton has 13935 states and 19116 transitions. Word has length 126 [2021-11-19 04:17:26,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:17:26,152 INFO L470 AbstractCegarLoop]: Abstraction has 13935 states and 19116 transitions. [2021-11-19 04:17:26,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-19 04:17:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 13935 states and 19116 transitions. [2021-11-19 04:17:26,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-19 04:17:26,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:17:26,157 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:17:26,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-19 04:17:26,171 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:17:26,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:17:26,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1277925900, now seen corresponding path program 1 times [2021-11-19 04:17:26,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:17:26,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309455336] [2021-11-19 04:17:26,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:17:26,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:17:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:17:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:17:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:17:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 04:17:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:17:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:17:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-19 04:17:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-19 04:17:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:17:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:17:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:17:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-19 04:17:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 04:17:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 04:17:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-19 04:17:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-19 04:17:26,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:17:26,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309455336] [2021-11-19 04:17:26,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309455336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:17:26,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:17:26,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:17:26,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333207894] [2021-11-19 04:17:26,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:17:26,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:17:26,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:17:26,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:17:26,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:17:26,669 INFO L87 Difference]: Start difference. First operand 13935 states and 19116 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:17:28,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:17:30,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:17:42,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:17:42,206 INFO L93 Difference]: Finished difference Result 32211 states and 46593 transitions. [2021-11-19 04:17:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:17:42,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 147 [2021-11-19 04:17:42,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:17:42,296 INFO L225 Difference]: With dead ends: 32211 [2021-11-19 04:17:42,297 INFO L226 Difference]: Without dead ends: 18293 [2021-11-19 04:17:42,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:17:42,357 INFO L933 BasicCegarLoop]: 3820 mSDtfsCounter, 4296 mSDsluCounter, 5262 mSDsCounter, 0 mSdLazyCounter, 4208 mSolverCounterSat, 2783 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4658 SdHoareTripleChecker+Valid, 9082 SdHoareTripleChecker+Invalid, 6993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2783 IncrementalHoareTripleChecker+Valid, 4208 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:17:42,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4658 Valid, 9082 Invalid, 6993 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2783 Valid, 4208 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2021-11-19 04:17:42,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18293 states. [2021-11-19 04:17:43,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18293 to 14455. [2021-11-19 04:17:43,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14455 states, 10066 states have (on average 1.2507450824557917) internal successors, (12590), 10367 states have internal predecessors, (12590), 3301 states have call successors, (3301), 923 states have call predecessors, (3301), 1064 states have return successors, (4005), 3289 states have call predecessors, (4005), 3299 states have call successors, (4005) [2021-11-19 04:17:43,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14455 states to 14455 states and 19896 transitions. [2021-11-19 04:17:43,884 INFO L78 Accepts]: Start accepts. Automaton has 14455 states and 19896 transitions. Word has length 147 [2021-11-19 04:17:43,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:17:43,884 INFO L470 AbstractCegarLoop]: Abstraction has 14455 states and 19896 transitions. [2021-11-19 04:17:43,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:17:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand 14455 states and 19896 transitions. [2021-11-19 04:17:43,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-19 04:17:43,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:17:43,891 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:17:43,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-19 04:17:43,892 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:17:43,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:17:43,893 INFO L85 PathProgramCache]: Analyzing trace with hash 716218806, now seen corresponding path program 1 times [2021-11-19 04:17:43,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:17:43,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706406986] [2021-11-19 04:17:43,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:17:43,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:17:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:17:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:17:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:17:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 04:17:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:17:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:17:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-19 04:17:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-19 04:17:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:17:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:17:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:17:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-19 04:17:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 04:17:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 04:17:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:17:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-19 04:17:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:17:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-19 04:17:44,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:17:44,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706406986] [2021-11-19 04:17:44,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706406986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:17:44,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:17:44,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:17:44,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689711184] [2021-11-19 04:17:44,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:17:44,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:17:44,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:17:44,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:17:44,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:17:44,455 INFO L87 Difference]: Start difference. First operand 14455 states and 19896 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:17:46,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:17:48,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:17:54,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:18:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:01,269 INFO L93 Difference]: Finished difference Result 18285 states and 26529 transitions. [2021-11-19 04:18:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:18:01,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 147 [2021-11-19 04:18:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:01,332 INFO L225 Difference]: With dead ends: 18285 [2021-11-19 04:18:01,332 INFO L226 Difference]: Without dead ends: 18283 [2021-11-19 04:18:01,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:18:01,340 INFO L933 BasicCegarLoop]: 3773 mSDtfsCounter, 8589 mSDsluCounter, 5110 mSDsCounter, 0 mSdLazyCounter, 4258 mSolverCounterSat, 4757 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8941 SdHoareTripleChecker+Valid, 8883 SdHoareTripleChecker+Invalid, 9017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4757 IncrementalHoareTripleChecker+Valid, 4258 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:01,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8941 Valid, 8883 Invalid, 9017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4757 Valid, 4258 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2021-11-19 04:18:01,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18283 states. [2021-11-19 04:18:02,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18283 to 14453. [2021-11-19 04:18:02,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14453 states, 10065 states have (on average 1.2503725782414308) internal successors, (12585), 10365 states have internal predecessors, (12585), 3301 states have call successors, (3301), 923 states have call predecessors, (3301), 1064 states have return successors, (4005), 3289 states have call predecessors, (4005), 3299 states have call successors, (4005) [2021-11-19 04:18:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14453 states to 14453 states and 19891 transitions. [2021-11-19 04:18:02,468 INFO L78 Accepts]: Start accepts. Automaton has 14453 states and 19891 transitions. Word has length 147 [2021-11-19 04:18:02,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:02,468 INFO L470 AbstractCegarLoop]: Abstraction has 14453 states and 19891 transitions. [2021-11-19 04:18:02,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:18:02,469 INFO L276 IsEmpty]: Start isEmpty. Operand 14453 states and 19891 transitions. [2021-11-19 04:18:02,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-19 04:18:02,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:02,472 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:18:02,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-19 04:18:02,473 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:18:02,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:02,474 INFO L85 PathProgramCache]: Analyzing trace with hash 429836268, now seen corresponding path program 1 times [2021-11-19 04:18:02,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:18:02,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948846126] [2021-11-19 04:18:02,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:02,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:18:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:18:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:18:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:18:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:18:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:18:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:18:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:18:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:18:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:18:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:18:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:18:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:18:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:18:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:18:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:18:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:18:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-19 04:18:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-19 04:18:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 04:18:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:18:02,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:18:02,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948846126] [2021-11-19 04:18:02,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948846126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:18:02,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:18:02,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:18:02,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430874216] [2021-11-19 04:18:02,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:18:02,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:18:02,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:18:02,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:18:02,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:18:02,919 INFO L87 Difference]: Start difference. First operand 14453 states and 19891 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 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) [2021-11-19 04:18:04,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:18:06,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:18:17,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:17,879 INFO L93 Difference]: Finished difference Result 14453 states and 19891 transitions. [2021-11-19 04:18:17,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:18:17,880 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 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 132 [2021-11-19 04:18:17,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:17,931 INFO L225 Difference]: With dead ends: 14453 [2021-11-19 04:18:17,931 INFO L226 Difference]: Without dead ends: 14451 [2021-11-19 04:18:17,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:18:17,939 INFO L933 BasicCegarLoop]: 3493 mSDtfsCounter, 7441 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3808 mSolverCounterSat, 3862 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7550 SdHoareTripleChecker+Valid, 5217 SdHoareTripleChecker+Invalid, 7671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3808 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:17,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7550 Valid, 5217 Invalid, 7671 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3808 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2021-11-19 04:18:17,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14451 states. [2021-11-19 04:18:19,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14451 to 14451. [2021-11-19 04:18:19,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14451 states, 10064 states have (on average 1.2501987281399045) internal successors, (12582), 10363 states have internal predecessors, (12582), 3301 states have call successors, (3301), 923 states have call predecessors, (3301), 1064 states have return successors, (4005), 3289 states have call predecessors, (4005), 3299 states have call successors, (4005) [2021-11-19 04:18:19,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14451 states to 14451 states and 19888 transitions. [2021-11-19 04:18:19,328 INFO L78 Accepts]: Start accepts. Automaton has 14451 states and 19888 transitions. Word has length 132 [2021-11-19 04:18:19,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:19,328 INFO L470 AbstractCegarLoop]: Abstraction has 14451 states and 19888 transitions. [2021-11-19 04:18:19,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 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) [2021-11-19 04:18:19,329 INFO L276 IsEmpty]: Start isEmpty. Operand 14451 states and 19888 transitions. [2021-11-19 04:18:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-19 04:18:19,334 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:19,334 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:18:19,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-19 04:18:19,335 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:18:19,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:19,335 INFO L85 PathProgramCache]: Analyzing trace with hash -518218006, now seen corresponding path program 1 times [2021-11-19 04:18:19,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:18:19,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178081579] [2021-11-19 04:18:19,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:19,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:18:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:18:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:18:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:18:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 04:18:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:18:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:18:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:18:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-19 04:18:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-19 04:18:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:18:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:18:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:18:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:18:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:18:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-19 04:18:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 04:18:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:18:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 04:18:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:18:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-19 04:18:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-19 04:18:19,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:18:19,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178081579] [2021-11-19 04:18:19,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178081579] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:18:19,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:18:19,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:18:19,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546591335] [2021-11-19 04:18:19,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:18:19,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:18:19,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:18:19,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:18:19,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:18:19,872 INFO L87 Difference]: Start difference. First operand 14451 states and 19888 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:18:33,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:18:33,434 INFO L93 Difference]: Finished difference Result 18281 states and 26521 transitions. [2021-11-19 04:18:33,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:18:33,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 150 [2021-11-19 04:18:33,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:18:33,495 INFO L225 Difference]: With dead ends: 18281 [2021-11-19 04:18:33,495 INFO L226 Difference]: Without dead ends: 18279 [2021-11-19 04:18:33,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:18:33,502 INFO L933 BasicCegarLoop]: 3759 mSDtfsCounter, 8467 mSDsluCounter, 5210 mSDsCounter, 0 mSdLazyCounter, 4268 mSolverCounterSat, 4686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8816 SdHoareTripleChecker+Valid, 8969 SdHoareTripleChecker+Invalid, 8954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4686 IncrementalHoareTripleChecker+Valid, 4268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:18:33,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8816 Valid, 8969 Invalid, 8954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4686 Valid, 4268 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2021-11-19 04:18:33,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18279 states. [2021-11-19 04:18:34,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18279 to 14449. [2021-11-19 04:18:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14449 states, 10063 states have (on average 1.2498260955977343) internal successors, (12577), 10361 states have internal predecessors, (12577), 3301 states have call successors, (3301), 923 states have call predecessors, (3301), 1064 states have return successors, (4005), 3289 states have call predecessors, (4005), 3299 states have call successors, (4005) [2021-11-19 04:18:34,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14449 states to 14449 states and 19883 transitions. [2021-11-19 04:18:34,747 INFO L78 Accepts]: Start accepts. Automaton has 14449 states and 19883 transitions. Word has length 150 [2021-11-19 04:18:34,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:18:34,748 INFO L470 AbstractCegarLoop]: Abstraction has 14449 states and 19883 transitions. [2021-11-19 04:18:34,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:18:34,748 INFO L276 IsEmpty]: Start isEmpty. Operand 14449 states and 19883 transitions. [2021-11-19 04:18:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-19 04:18:34,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:18:34,754 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:18:34,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-19 04:18:34,755 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:18:34,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:18:34,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1677773610, now seen corresponding path program 1 times [2021-11-19 04:18:34,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:18:34,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081615841] [2021-11-19 04:18:34,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:18:34,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:18:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:18:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:18:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:18:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:18:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:18:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:18:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:18:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:18:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:18:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:18:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:18:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:18:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:18:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:18:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:18:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:18:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-19 04:18:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-19 04:18:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 04:18:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-19 04:18:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:18:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:18:35,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:18:35,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081615841] [2021-11-19 04:18:35,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081615841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:18:35,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:18:35,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:18:35,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092404661] [2021-11-19 04:18:35,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:18:35,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:18:35,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:18:35,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:18:35,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:18:35,362 INFO L87 Difference]: Start difference. First operand 14449 states and 19883 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 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) [2021-11-19 04:18:37,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:18:39,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:19:02,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:19:02,084 INFO L93 Difference]: Finished difference Result 28109 states and 39463 transitions. [2021-11-19 04:19:02,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 04:19:02,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 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 138 [2021-11-19 04:19:02,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:19:02,364 INFO L225 Difference]: With dead ends: 28109 [2021-11-19 04:19:02,364 INFO L226 Difference]: Without dead ends: 28107 [2021-11-19 04:19:02,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-19 04:19:02,376 INFO L933 BasicCegarLoop]: 3717 mSDtfsCounter, 11612 mSDsluCounter, 2992 mSDsCounter, 0 mSdLazyCounter, 8301 mSolverCounterSat, 6394 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11716 SdHoareTripleChecker+Valid, 6709 SdHoareTripleChecker+Invalid, 14697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6394 IncrementalHoareTripleChecker+Valid, 8301 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-19 04:19:02,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11716 Valid, 6709 Invalid, 14697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6394 Valid, 8301 Invalid, 2 Unknown, 0 Unchecked, 23.9s Time] [2021-11-19 04:19:02,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28107 states. [2021-11-19 04:19:04,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28107 to 27906. [2021-11-19 04:19:04,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27906 states, 19424 states have (on average 1.2509266886326194) internal successors, (24298), 20035 states have internal predecessors, (24298), 6361 states have call successors, (6361), 1821 states have call predecessors, (6361), 2100 states have return successors, (8566), 6298 states have call predecessors, (8566), 6359 states have call successors, (8566) [2021-11-19 04:19:04,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27906 states to 27906 states and 39225 transitions. [2021-11-19 04:19:04,869 INFO L78 Accepts]: Start accepts. Automaton has 27906 states and 39225 transitions. Word has length 138 [2021-11-19 04:19:04,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:19:04,870 INFO L470 AbstractCegarLoop]: Abstraction has 27906 states and 39225 transitions. [2021-11-19 04:19:04,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 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) [2021-11-19 04:19:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 27906 states and 39225 transitions. [2021-11-19 04:19:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-19 04:19:04,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:19:04,875 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:19:04,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-19 04:19:04,876 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:19:04,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:19:04,876 INFO L85 PathProgramCache]: Analyzing trace with hash -2115284030, now seen corresponding path program 1 times [2021-11-19 04:19:04,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:19:04,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306576026] [2021-11-19 04:19:04,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:19:04,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:19:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:19:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:19:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:19:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 04:19:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:19:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:19:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-19 04:19:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-19 04:19:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:19:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:19:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:19:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-19 04:19:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 04:19:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 04:19:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-19 04:19:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-19 04:19:05,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:19:05,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306576026] [2021-11-19 04:19:05,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306576026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:19:05,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:19:05,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:19:05,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036557181] [2021-11-19 04:19:05,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:19:05,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:19:05,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:19:05,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:19:05,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:19:05,489 INFO L87 Difference]: Start difference. First operand 27906 states and 39225 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:19:07,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:19:09,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:19:33,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:19:33,173 INFO L93 Difference]: Finished difference Result 35627 states and 53097 transitions. [2021-11-19 04:19:33,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 04:19:33,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 153 [2021-11-19 04:19:33,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:19:33,322 INFO L225 Difference]: With dead ends: 35627 [2021-11-19 04:19:33,322 INFO L226 Difference]: Without dead ends: 35625 [2021-11-19 04:19:33,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-19 04:19:33,340 INFO L933 BasicCegarLoop]: 4279 mSDtfsCounter, 12381 mSDsluCounter, 8812 mSDsCounter, 0 mSdLazyCounter, 8709 mSolverCounterSat, 7198 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13049 SdHoareTripleChecker+Valid, 13091 SdHoareTripleChecker+Invalid, 15908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7198 IncrementalHoareTripleChecker+Valid, 8709 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-19 04:19:33,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13049 Valid, 13091 Invalid, 15908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7198 Valid, 8709 Invalid, 1 Unknown, 0 Unchecked, 23.9s Time] [2021-11-19 04:19:33,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35625 states. [2021-11-19 04:19:35,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35625 to 29148. [2021-11-19 04:19:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29148 states, 20322 states have (on average 1.2518452908178328) internal successors, (25440), 20961 states have internal predecessors, (25440), 6555 states have call successors, (6555), 1821 states have call predecessors, (6555), 2250 states have return successors, (9398), 6602 states have call predecessors, (9398), 6553 states have call successors, (9398) [2021-11-19 04:19:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29148 states to 29148 states and 41393 transitions. [2021-11-19 04:19:36,214 INFO L78 Accepts]: Start accepts. Automaton has 29148 states and 41393 transitions. Word has length 153 [2021-11-19 04:19:36,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:19:36,215 INFO L470 AbstractCegarLoop]: Abstraction has 29148 states and 41393 transitions. [2021-11-19 04:19:36,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:19:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 29148 states and 41393 transitions. [2021-11-19 04:19:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-19 04:19:36,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:19:36,219 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:19:36,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-19 04:19:36,220 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:19:36,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:19:36,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1032008721, now seen corresponding path program 1 times [2021-11-19 04:19:36,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:19:36,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303668464] [2021-11-19 04:19:36,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:19:36,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:19:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:19:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:19:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:19:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:19:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:19:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:19:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:19:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:19:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-19 04:19:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-19 04:19:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:19:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:19:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-19 04:19:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 04:19:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:19:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:19:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-19 04:19:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-19 04:19:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:19:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:19:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-19 04:19:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-19 04:19:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:19:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:19:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-11-19 04:19:36,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:19:36,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303668464] [2021-11-19 04:19:36,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303668464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:19:36,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:19:36,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 04:19:36,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205347781] [2021-11-19 04:19:36,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:19:36,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 04:19:36,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:19:36,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 04:19:36,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:19:36,990 INFO L87 Difference]: Start difference. First operand 29148 states and 41393 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-19 04:19:38,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:19:40,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:19:42,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:20:09,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:20:09,385 INFO L93 Difference]: Finished difference Result 61181 states and 90713 transitions. [2021-11-19 04:20:09,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 04:20:09,385 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 182 [2021-11-19 04:20:09,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:20:09,516 INFO L225 Difference]: With dead ends: 61181 [2021-11-19 04:20:09,516 INFO L226 Difference]: Without dead ends: 32050 [2021-11-19 04:20:09,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-11-19 04:20:09,645 INFO L933 BasicCegarLoop]: 3547 mSDtfsCounter, 8601 mSDsluCounter, 4379 mSDsCounter, 0 mSdLazyCounter, 12861 mSolverCounterSat, 5747 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8601 SdHoareTripleChecker+Valid, 7926 SdHoareTripleChecker+Invalid, 18609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5747 IncrementalHoareTripleChecker+Valid, 12861 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:20:09,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8601 Valid, 7926 Invalid, 18609 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5747 Valid, 12861 Invalid, 1 Unknown, 0 Unchecked, 28.3s Time] [2021-11-19 04:20:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32050 states. [2021-11-19 04:20:12,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32050 to 29146. [2021-11-19 04:20:12,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29146 states, 20323 states have (on average 1.251439256015352) internal successors, (25433), 20963 states have internal predecessors, (25433), 6547 states have call successors, (6547), 1821 states have call predecessors, (6547), 2255 states have return successors, (9405), 6598 states have call predecessors, (9405), 6545 states have call successors, (9405) [2021-11-19 04:20:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29146 states to 29146 states and 41385 transitions. [2021-11-19 04:20:12,339 INFO L78 Accepts]: Start accepts. Automaton has 29146 states and 41385 transitions. Word has length 182 [2021-11-19 04:20:12,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:20:12,340 INFO L470 AbstractCegarLoop]: Abstraction has 29146 states and 41385 transitions. [2021-11-19 04:20:12,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-19 04:20:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 29146 states and 41385 transitions. [2021-11-19 04:20:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 04:20:12,345 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:20:12,345 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:20:12,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-19 04:20:12,346 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:20:12,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:20:12,346 INFO L85 PathProgramCache]: Analyzing trace with hash -661488010, now seen corresponding path program 1 times [2021-11-19 04:20:12,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:20:12,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778609975] [2021-11-19 04:20:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:20:12,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:20:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:20:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:20:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:20:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-19 04:20:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:20:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:20:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:20:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-19 04:20:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-19 04:20:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:20:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:20:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:20:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:20:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:20:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-19 04:20:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 04:20:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:20:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-19 04:20:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:20:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-19 04:20:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:12,905 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-19 04:20:12,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:20:12,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778609975] [2021-11-19 04:20:12,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778609975] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:20:12,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:20:12,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:20:12,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528950839] [2021-11-19 04:20:12,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:20:12,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:20:12,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:20:12,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:20:12,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:20:12,909 INFO L87 Difference]: Start difference. First operand 29146 states and 41385 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:20:14,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:20:29,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:20:29,859 INFO L93 Difference]: Finished difference Result 34686 states and 51596 transitions. [2021-11-19 04:20:29,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:20:29,865 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 156 [2021-11-19 04:20:29,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:20:30,002 INFO L225 Difference]: With dead ends: 34686 [2021-11-19 04:20:30,002 INFO L226 Difference]: Without dead ends: 34684 [2021-11-19 04:20:30,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:20:30,017 INFO L933 BasicCegarLoop]: 3764 mSDtfsCounter, 8239 mSDsluCounter, 5205 mSDsCounter, 0 mSdLazyCounter, 4207 mSolverCounterSat, 4593 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8593 SdHoareTripleChecker+Valid, 8969 SdHoareTripleChecker+Invalid, 8801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4593 IncrementalHoareTripleChecker+Valid, 4207 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:20:30,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8593 Valid, 8969 Invalid, 8801 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4593 Valid, 4207 Invalid, 1 Unknown, 0 Unchecked, 13.8s Time] [2021-11-19 04:20:30,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34684 states. [2021-11-19 04:20:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34684 to 29144. [2021-11-19 04:20:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29144 states, 20322 states have (on average 1.2510579667355575) internal successors, (25424), 20961 states have internal predecessors, (25424), 6547 states have call successors, (6547), 1821 states have call predecessors, (6547), 2255 states have return successors, (9405), 6598 states have call predecessors, (9405), 6545 states have call successors, (9405) [2021-11-19 04:20:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29144 states to 29144 states and 41376 transitions. [2021-11-19 04:20:32,622 INFO L78 Accepts]: Start accepts. Automaton has 29144 states and 41376 transitions. Word has length 156 [2021-11-19 04:20:32,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:20:32,622 INFO L470 AbstractCegarLoop]: Abstraction has 29144 states and 41376 transitions. [2021-11-19 04:20:32,623 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 04:20:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand 29144 states and 41376 transitions. [2021-11-19 04:20:32,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-19 04:20:32,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:20:32,627 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:20:32,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-19 04:20:32,628 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:20:32,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:20:32,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1735046120, now seen corresponding path program 1 times [2021-11-19 04:20:32,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:20:32,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003475952] [2021-11-19 04:20:32,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:20:32,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:20:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:20:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:20:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:20:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:20:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:20:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:20:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:20:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:20:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:20:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:20:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:20:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:20:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:20:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:20:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:20:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:20:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-19 04:20:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-19 04:20:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 04:20:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:33,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-19 04:20:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-19 04:20:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:20:33,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:20:33,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003475952] [2021-11-19 04:20:33,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003475952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:20:33,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:20:33,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:20:33,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837606856] [2021-11-19 04:20:33,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:20:33,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:20:33,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:20:33,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:20:33,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:20:33,095 INFO L87 Difference]: Start difference. First operand 29144 states and 41376 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-19 04:20:35,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:20:37,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:20:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:20:50,549 INFO L93 Difference]: Finished difference Result 29144 states and 41376 transitions. [2021-11-19 04:20:50,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:20:50,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 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 144 [2021-11-19 04:20:50,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:20:50,658 INFO L225 Difference]: With dead ends: 29144 [2021-11-19 04:20:50,659 INFO L226 Difference]: Without dead ends: 29142 [2021-11-19 04:20:50,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:20:50,674 INFO L933 BasicCegarLoop]: 3487 mSDtfsCounter, 7423 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3801 mSolverCounterSat, 3862 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7530 SdHoareTripleChecker+Valid, 5211 SdHoareTripleChecker+Invalid, 7665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3801 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:20:50,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7530 Valid, 5211 Invalid, 7665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3801 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2021-11-19 04:20:50,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29142 states. [2021-11-19 04:20:53,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29142 to 29142. [2021-11-19 04:20:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29142 states, 20321 states have (on average 1.2509719009891245) internal successors, (25421), 20959 states have internal predecessors, (25421), 6547 states have call successors, (6547), 1821 states have call predecessors, (6547), 2255 states have return successors, (9405), 6598 states have call predecessors, (9405), 6545 states have call successors, (9405) [2021-11-19 04:20:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29142 states to 29142 states and 41373 transitions. [2021-11-19 04:20:53,316 INFO L78 Accepts]: Start accepts. Automaton has 29142 states and 41373 transitions. Word has length 144 [2021-11-19 04:20:53,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:20:53,317 INFO L470 AbstractCegarLoop]: Abstraction has 29142 states and 41373 transitions. [2021-11-19 04:20:53,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2021-11-19 04:20:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 29142 states and 41373 transitions. [2021-11-19 04:20:53,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-19 04:20:53,322 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:20:53,322 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:20:53,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-19 04:20:53,323 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:20:53,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:20:53,323 INFO L85 PathProgramCache]: Analyzing trace with hash -2112502880, now seen corresponding path program 1 times [2021-11-19 04:20:53,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:20:53,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240316789] [2021-11-19 04:20:53,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:20:53,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:20:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:20:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:20:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:20:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:20:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:20:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:20:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:20:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:20:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:20:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:20:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:20:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:20:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:20:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:20:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:20:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:20:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-19 04:20:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-19 04:20:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 04:20:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-19 04:20:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-19 04:20:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-19 04:20:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:20:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:20:53,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:20:53,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240316789] [2021-11-19 04:20:53,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240316789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:20:53,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:20:53,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:20:53,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666662974] [2021-11-19 04:20:53,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:20:53,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:20:53,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:20:53,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:20:53,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:20:53,924 INFO L87 Difference]: Start difference. First operand 29142 states and 41373 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 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) [2021-11-19 04:20:55,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:20:58,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:21:12,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:21:12,075 INFO L93 Difference]: Finished difference Result 29142 states and 41373 transitions. [2021-11-19 04:21:12,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:21:12,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 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 150 [2021-11-19 04:21:12,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:21:12,192 INFO L225 Difference]: With dead ends: 29142 [2021-11-19 04:21:12,192 INFO L226 Difference]: Without dead ends: 29140 [2021-11-19 04:21:12,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:21:12,207 INFO L933 BasicCegarLoop]: 3486 mSDtfsCounter, 7417 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3798 mSolverCounterSat, 3862 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7523 SdHoareTripleChecker+Valid, 5210 SdHoareTripleChecker+Invalid, 7662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3798 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2021-11-19 04:21:12,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7523 Valid, 5210 Invalid, 7662 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3798 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2021-11-19 04:21:12,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29140 states. [2021-11-19 04:21:14,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29140 to 29140. [2021-11-19 04:21:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29140 states, 20320 states have (on average 1.2508858267716536) internal successors, (25418), 20957 states have internal predecessors, (25418), 6547 states have call successors, (6547), 1821 states have call predecessors, (6547), 2255 states have return successors, (9405), 6598 states have call predecessors, (9405), 6545 states have call successors, (9405) [2021-11-19 04:21:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29140 states to 29140 states and 41370 transitions. [2021-11-19 04:21:15,206 INFO L78 Accepts]: Start accepts. Automaton has 29140 states and 41370 transitions. Word has length 150 [2021-11-19 04:21:15,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:21:15,207 INFO L470 AbstractCegarLoop]: Abstraction has 29140 states and 41370 transitions. [2021-11-19 04:21:15,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 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) [2021-11-19 04:21:15,207 INFO L276 IsEmpty]: Start isEmpty. Operand 29140 states and 41370 transitions. [2021-11-19 04:21:15,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 04:21:15,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:21:15,212 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:21:15,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-19 04:21:15,213 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:21:15,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:21:15,214 INFO L85 PathProgramCache]: Analyzing trace with hash -745677881, now seen corresponding path program 1 times [2021-11-19 04:21:15,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:21:15,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317243067] [2021-11-19 04:21:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:21:15,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:21:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:21:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:21:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:21:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:21:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:21:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:21:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:21:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:21:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:21:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:21:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:21:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:21:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:21:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:21:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:21:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-19 04:21:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-19 04:21:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 04:21:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-19 04:21:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-19 04:21:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:15,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-19 04:21:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:16,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:21:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:21:16,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:21:16,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317243067] [2021-11-19 04:21:16,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317243067] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:21:16,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:21:16,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:21:16,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247909212] [2021-11-19 04:21:16,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:21:16,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:21:16,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:21:16,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:21:16,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:21:16,029 INFO L87 Difference]: Start difference. First operand 29140 states and 41370 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-11-19 04:21:18,110 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:21:20,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:21:33,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:21:33,665 INFO L93 Difference]: Finished difference Result 29140 states and 41370 transitions. [2021-11-19 04:21:33,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:21:33,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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 156 [2021-11-19 04:21:33,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:21:33,764 INFO L225 Difference]: With dead ends: 29140 [2021-11-19 04:21:33,764 INFO L226 Difference]: Without dead ends: 29138 [2021-11-19 04:21:33,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:21:33,776 INFO L933 BasicCegarLoop]: 3484 mSDtfsCounter, 7411 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 3796 mSolverCounterSat, 3862 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7516 SdHoareTripleChecker+Valid, 5208 SdHoareTripleChecker+Invalid, 7660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3862 IncrementalHoareTripleChecker+Valid, 3796 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:21:33,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7516 Valid, 5208 Invalid, 7660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3862 Valid, 3796 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2021-11-19 04:21:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29138 states. [2021-11-19 04:21:36,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29138 to 29138. [2021-11-19 04:21:36,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29138 states, 20319 states have (on average 1.2507997440818939) internal successors, (25415), 20955 states have internal predecessors, (25415), 6547 states have call successors, (6547), 1821 states have call predecessors, (6547), 2255 states have return successors, (9405), 6598 states have call predecessors, (9405), 6545 states have call successors, (9405) [2021-11-19 04:21:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29138 states to 29138 states and 41367 transitions. [2021-11-19 04:21:36,636 INFO L78 Accepts]: Start accepts. Automaton has 29138 states and 41367 transitions. Word has length 156 [2021-11-19 04:21:36,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:21:36,637 INFO L470 AbstractCegarLoop]: Abstraction has 29138 states and 41367 transitions. [2021-11-19 04:21:36,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-11-19 04:21:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 29138 states and 41367 transitions. [2021-11-19 04:21:36,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-19 04:21:36,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:21:36,643 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:21:36,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-19 04:21:36,643 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:21:36,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:21:36,644 INFO L85 PathProgramCache]: Analyzing trace with hash 26792893, now seen corresponding path program 1 times [2021-11-19 04:21:36,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:21:36,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022617896] [2021-11-19 04:21:36,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:21:36,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:21:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:21:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:21:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:21:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:21:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:21:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:21:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:21:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:21:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-19 04:21:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-19 04:21:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:21:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:21:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-19 04:21:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-19 04:21:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-19 04:21:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-19 04:21:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-19 04:21:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-19 04:21:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:21:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-19 04:21:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-19 04:21:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-19 04:21:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:21:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:21:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-19 04:21:37,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:21:37,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022617896] [2021-11-19 04:21:37,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022617896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:21:37,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:21:37,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-19 04:21:37,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570432867] [2021-11-19 04:21:37,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:21:37,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 04:21:37,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:21:37,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 04:21:37,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-19 04:21:37,775 INFO L87 Difference]: Start difference. First operand 29138 states and 41367 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 04:21:39,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:21:41,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:21:44,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:22:01,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:22:20,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:22:20,651 INFO L93 Difference]: Finished difference Result 64243 states and 96111 transitions. [2021-11-19 04:22:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 04:22:20,652 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 210 [2021-11-19 04:22:20,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:22:20,840 INFO L225 Difference]: With dead ends: 64243 [2021-11-19 04:22:20,840 INFO L226 Difference]: Without dead ends: 35122 [2021-11-19 04:22:20,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2021-11-19 04:22:21,000 INFO L933 BasicCegarLoop]: 3343 mSDtfsCounter, 9407 mSDsluCounter, 4410 mSDsCounter, 0 mSdLazyCounter, 15224 mSolverCounterSat, 6575 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9407 SdHoareTripleChecker+Valid, 7753 SdHoareTripleChecker+Invalid, 21802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6575 IncrementalHoareTripleChecker+Valid, 15224 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:22:21,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9407 Valid, 7753 Invalid, 21802 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6575 Valid, 15224 Invalid, 3 Unknown, 0 Unchecked, 37.6s Time] [2021-11-19 04:22:21,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35122 states. [2021-11-19 04:22:24,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35122 to 29509. [2021-11-19 04:22:24,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29509 states, 20582 states have (on average 1.2500242930716159) internal successors, (25728), 21241 states have internal predecessors, (25728), 6573 states have call successors, (6573), 1821 states have call predecessors, (6573), 2337 states have return successors, (9690), 6683 states have call predecessors, (9690), 6571 states have call successors, (9690) [2021-11-19 04:22:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29509 states to 29509 states and 41991 transitions. [2021-11-19 04:22:24,706 INFO L78 Accepts]: Start accepts. Automaton has 29509 states and 41991 transitions. Word has length 210 [2021-11-19 04:22:24,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:22:24,707 INFO L470 AbstractCegarLoop]: Abstraction has 29509 states and 41991 transitions. [2021-11-19 04:22:24,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 04:22:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 29509 states and 41991 transitions. [2021-11-19 04:22:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-19 04:22:24,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:22:24,713 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:22:24,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-19 04:22:24,714 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:22:24,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:22:24,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1828250170, now seen corresponding path program 1 times [2021-11-19 04:22:24,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:22:24,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278629533] [2021-11-19 04:22:24,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:22:24,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:22:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:22:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:22:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:22:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:22:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:22:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:22:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:22:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:22:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:22:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:22:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:22:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:22:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-19 04:22:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-19 04:22:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-19 04:22:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:22:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-19 04:22:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-19 04:22:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-19 04:22:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-19 04:22:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-19 04:22:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-19 04:22:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:22:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-19 04:22:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:22:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 04:22:25,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:22:25,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278629533] [2021-11-19 04:22:25,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278629533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:22:25,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:22:25,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:22:25,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954709621] [2021-11-19 04:22:25,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:22:25,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:22:25,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:22:25,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:22:25,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:22:25,600 INFO L87 Difference]: Start difference. First operand 29509 states and 41991 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-19 04:22:28,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:22:58,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:22:58,361 INFO L93 Difference]: Finished difference Result 88315 states and 136372 transitions. [2021-11-19 04:22:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 04:22:58,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 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 162 [2021-11-19 04:22:58,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:22:58,831 INFO L225 Difference]: With dead ends: 88315 [2021-11-19 04:22:58,831 INFO L226 Difference]: Without dead ends: 58823 [2021-11-19 04:22:59,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-19 04:22:59,041 INFO L933 BasicCegarLoop]: 3740 mSDtfsCounter, 11842 mSDsluCounter, 3004 mSDsCounter, 0 mSdLazyCounter, 8426 mSolverCounterSat, 6580 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11942 SdHoareTripleChecker+Valid, 6744 SdHoareTripleChecker+Invalid, 15007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6580 IncrementalHoareTripleChecker+Valid, 8426 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:22:59,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11942 Valid, 6744 Invalid, 15007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6580 Valid, 8426 Invalid, 1 Unknown, 0 Unchecked, 25.1s Time] [2021-11-19 04:22:59,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58823 states. [2021-11-19 04:23:06,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58823 to 58628. [2021-11-19 04:23:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58628 states, 40942 states have (on average 1.250158761174344) internal successors, (51184), 42259 states have internal predecessors, (51184), 13025 states have call successors, (13025), 3611 states have call predecessors, (13025), 4644 states have return successors, (24651), 13230 states have call predecessors, (24651), 13023 states have call successors, (24651) [2021-11-19 04:23:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58628 states to 58628 states and 88860 transitions. [2021-11-19 04:23:07,072 INFO L78 Accepts]: Start accepts. Automaton has 58628 states and 88860 transitions. Word has length 162 [2021-11-19 04:23:07,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:23:07,073 INFO L470 AbstractCegarLoop]: Abstraction has 58628 states and 88860 transitions. [2021-11-19 04:23:07,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 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) [2021-11-19 04:23:07,074 INFO L276 IsEmpty]: Start isEmpty. Operand 58628 states and 88860 transitions. [2021-11-19 04:23:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-19 04:23:07,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:23:07,081 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:23:07,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-19 04:23:07,082 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-19 04:23:07,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:23:07,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2003540671, now seen corresponding path program 1 times [2021-11-19 04:23:07,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:23:07,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979911018] [2021-11-19 04:23:07,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:23:07,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:23:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:23:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-19 04:23:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-19 04:23:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-19 04:23:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:23:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-19 04:23:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:23:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 04:23:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 04:23:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-19 04:23:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-19 04:23:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:23:07,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-19 04:23:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat