./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa --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 d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:54:24,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:54:24,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:54:24,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:54:24,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:54:24,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:54:24,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:54:24,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:54:24,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:54:24,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:54:24,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:54:24,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:54:24,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:54:24,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:54:24,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:54:24,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:54:24,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:54:24,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:54:24,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:54:24,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:54:24,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:54:24,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:54:24,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:54:24,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:54:24,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:54:24,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:54:24,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:54:24,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:54:24,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:54:24,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:54:24,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:54:24,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:54:24,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:54:24,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:54:24,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:54:24,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:54:24,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:54:24,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:54:24,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:54:24,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:54:24,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:54:24,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 23:54:24,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:54:24,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:54:24,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:54:24,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:54:24,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:54:24,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:54:24,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:54:24,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:54:24,864 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:54:24,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:54:24,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:54:24,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:54:24,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:54:24,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:54:24,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:54:24,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:54:24,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:54:24,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:54:24,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:54:24,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:54:24,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:54:24,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:54:24,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:54:24,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:54:24,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:54:24,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:54:24,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:54:24,867 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:54:24,867 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:54:24,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:54:24,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:54:24,867 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 [2021-12-06 23:54:25,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:54:25,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:54:25,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:54:25,060 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:54:25,061 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:54:25,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-12-06 23:54:25,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/data/9345d5486/f250b529db5846e893c798dd418be1fe/FLAG65052313d [2021-12-06 23:54:25,819 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:54:25,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-12-06 23:54:25,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/data/9345d5486/f250b529db5846e893c798dd418be1fe/FLAG65052313d [2021-12-06 23:54:26,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/data/9345d5486/f250b529db5846e893c798dd418be1fe [2021-12-06 23:54:26,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:54:26,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:54:26,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:54:26,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:54:26,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:54:26,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:54:26" (1/1) ... [2021-12-06 23:54:26,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502e6dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:26, skipping insertion in model container [2021-12-06 23:54:26,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:54:26" (1/1) ... [2021-12-06 23:54:26,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:54:26,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:54:33,121 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-12-06 23:54:33,123 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-12-06 23:54:33,124 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-12-06 23:54:33,124 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-12-06 23:54:33,124 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-12-06 23:54:33,124 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-12-06 23:54:33,125 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-12-06 23:54:33,125 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-12-06 23:54:33,125 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-12-06 23:54:33,126 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-12-06 23:54:33,126 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-12-06 23:54:33,126 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-12-06 23:54:33,127 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-12-06 23:54:33,127 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-12-06 23:54:33,127 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-12-06 23:54:33,127 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-12-06 23:54:33,128 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-12-06 23:54:33,128 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-12-06 23:54:33,128 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-12-06 23:54:33,129 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-12-06 23:54:33,129 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-12-06 23:54:33,129 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-12-06 23:54:33,129 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-12-06 23:54:33,130 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-12-06 23:54:33,130 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-12-06 23:54:33,130 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-12-06 23:54:33,131 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-12-06 23:54:33,131 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-12-06 23:54:33,131 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-12-06 23:54:33,132 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-12-06 23:54:33,132 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-12-06 23:54:33,132 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-12-06 23:54:33,133 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-12-06 23:54:33,133 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-12-06 23:54:33,133 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-12-06 23:54:33,134 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-12-06 23:54:33,134 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-12-06 23:54:33,134 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-12-06 23:54:33,135 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-12-06 23:54:33,135 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-12-06 23:54:33,135 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-12-06 23:54:33,136 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-12-06 23:54:33,136 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-12-06 23:54:33,136 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-12-06 23:54:33,136 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-12-06 23:54:33,137 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-12-06 23:54:33,137 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-12-06 23:54:33,137 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-12-06 23:54:33,138 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-12-06 23:54:33,138 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-12-06 23:54:33,138 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-12-06 23:54:33,139 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-12-06 23:54:33,139 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-12-06 23:54:33,139 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-12-06 23:54:33,140 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-12-06 23:54:33,140 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-12-06 23:54:33,140 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-12-06 23:54:33,141 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-12-06 23:54:33,141 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-12-06 23:54:33,141 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-12-06 23:54:33,141 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-12-06 23:54:33,142 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-12-06 23:54:33,142 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-12-06 23:54:33,142 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-12-06 23:54:33,143 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-12-06 23:54:33,143 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-12-06 23:54:33,143 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-12-06 23:54:33,144 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-12-06 23:54:33,144 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-12-06 23:54:33,144 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-12-06 23:54:33,145 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-12-06 23:54:33,145 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-12-06 23:54:33,145 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-12-06 23:54:33,146 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-12-06 23:54:33,146 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-12-06 23:54:33,146 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-12-06 23:54:33,147 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-12-06 23:54:33,147 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-12-06 23:54:33,147 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-12-06 23:54:33,148 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-12-06 23:54:33,148 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-12-06 23:54:33,148 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-12-06 23:54:33,149 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-12-06 23:54:33,149 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-12-06 23:54:33,149 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-12-06 23:54:33,149 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-12-06 23:54:33,150 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-12-06 23:54:33,150 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-12-06 23:54:33,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:54:33,215 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:54:33,859 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-12-06 23:54:33,859 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-12-06 23:54:33,860 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-12-06 23:54:33,860 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-12-06 23:54:33,861 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-12-06 23:54:33,861 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-12-06 23:54:33,861 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-12-06 23:54:33,862 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-12-06 23:54:33,862 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-12-06 23:54:33,863 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-12-06 23:54:33,864 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-12-06 23:54:33,864 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-12-06 23:54:33,864 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-12-06 23:54:33,864 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-12-06 23:54:33,865 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-12-06 23:54:33,865 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-12-06 23:54:33,865 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-12-06 23:54:33,866 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-12-06 23:54:33,866 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-12-06 23:54:33,866 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-12-06 23:54:33,866 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-12-06 23:54:33,866 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-12-06 23:54:33,867 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-12-06 23:54:33,867 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-12-06 23:54:33,867 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-12-06 23:54:33,867 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-12-06 23:54:33,868 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-12-06 23:54:33,868 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-12-06 23:54:33,868 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-12-06 23:54:33,868 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-12-06 23:54:33,869 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-12-06 23:54:33,869 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-12-06 23:54:33,869 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-12-06 23:54:33,869 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-12-06 23:54:33,870 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-12-06 23:54:33,870 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-12-06 23:54:33,870 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-12-06 23:54:33,870 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-12-06 23:54:33,870 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-12-06 23:54:33,871 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-12-06 23:54:33,871 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-12-06 23:54:33,871 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-12-06 23:54:33,871 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-12-06 23:54:33,872 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-12-06 23:54:33,872 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-12-06 23:54:33,872 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-12-06 23:54:33,872 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-12-06 23:54:33,873 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-12-06 23:54:33,873 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-12-06 23:54:33,873 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-12-06 23:54:33,873 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-12-06 23:54:33,874 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-12-06 23:54:33,874 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-12-06 23:54:33,874 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-12-06 23:54:33,874 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-12-06 23:54:33,874 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-12-06 23:54:33,875 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-12-06 23:54:33,875 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-12-06 23:54:33,875 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-12-06 23:54:33,875 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-12-06 23:54:33,876 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-12-06 23:54:33,876 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-12-06 23:54:33,876 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-12-06 23:54:33,876 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-12-06 23:54:33,877 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-12-06 23:54:33,877 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-12-06 23:54:33,877 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-12-06 23:54:33,877 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-12-06 23:54:33,878 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-12-06 23:54:33,878 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-12-06 23:54:33,878 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-12-06 23:54:33,878 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-12-06 23:54:33,879 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-12-06 23:54:33,879 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-12-06 23:54:33,879 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-12-06 23:54:33,879 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-12-06 23:54:33,879 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-12-06 23:54:33,880 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-12-06 23:54:33,880 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-12-06 23:54:33,880 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-12-06 23:54:33,880 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-12-06 23:54:33,881 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-12-06 23:54:33,881 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-12-06 23:54:33,881 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-12-06 23:54:33,881 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-12-06 23:54:33,881 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-12-06 23:54:33,882 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-12-06 23:54:33,882 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_fe5f6bdb-feca-4f87-8941-626091c0bca4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-12-06 23:54:33,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:54:34,193 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:54:34,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34 WrapperNode [2021-12-06 23:54:34,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:54:34,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:54:34,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:54:34,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:54:34,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:34,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:34,575 INFO L137 Inliner]: procedures = 982, calls = 10044, calls flagged for inlining = 465, calls inlined = 372, statements flattened = 15554 [2021-12-06 23:54:34,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:54:34,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:54:34,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:54:34,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:54:34,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:34,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:34,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:34,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:35,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:35,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:35,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:35,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:54:35,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:54:35,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:54:35,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:54:35,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (1/1) ... [2021-12-06 23:54:35,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:54:35,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:54:35,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:54:35,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:54:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_enable [2021-12-06 23:54:35,274 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_enable [2021-12-06 23:54:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-06 23:54:35,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-06 23:54:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_get_qh [2021-12-06 23:54:35,274 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_get_qh [2021-12-06 23:54:35,274 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-06 23:54:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_srp [2021-12-06 23:54:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_srp [2021-12-06 23:54:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure musb_vbus_show [2021-12-06 23:54:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_vbus_show [2021-12-06 23:54:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-12-06 23:54:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-12-06 23:54:35,275 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2021-12-06 23:54:35,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2021-12-06 23:54:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_status [2021-12-06 23:54:35,276 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_status [2021-12-06 23:54:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-06 23:54:35,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-06 23:54:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_off [2021-12-06 23:54:35,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_off [2021-12-06 23:54:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_flush_fifo [2021-12-06 23:54:35,276 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_flush_fifo [2021-12-06 23:54:35,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 23:54:35,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 23:54:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_txstate [2021-12-06 23:54:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_txstate [2021-12-06 23:54:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-06 23:54:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-06 23:54:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 23:54:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 23:54:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-06 23:54:35,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-06 23:54:35,277 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_restart [2021-12-06 23:54:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_restart [2021-12-06 23:54:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_disconnect [2021-12-06 23:54:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_disconnect [2021-12-06 23:54:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_start [2021-12-06 23:54:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_start [2021-12-06 23:54:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_wakeup [2021-12-06 23:54:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_wakeup [2021-12-06 23:54:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_setup [2021-12-06 23:54:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_setup [2021-12-06 23:54:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-06 23:54:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-06 23:54:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_write [2021-12-06 23:54:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_write [2021-12-06 23:54:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 23:54:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 23:54:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_disable [2021-12-06 23:54:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_disable [2021-12-06 23:54:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_controller_stop [2021-12-06 23:54:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_controller_stop [2021-12-06 23:54:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 23:54:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 23:54:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_suspend [2021-12-06 23:54:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_suspend [2021-12-06 23:54:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-06 23:54:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-06 23:54:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:54:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-06 23:54:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-06 23:54:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_setup [2021-12-06 23:54:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_setup [2021-12-06 23:54:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-06 23:54:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-06 23:54:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 23:54:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 23:54:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_musb [2021-12-06 23:54:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_musb [2021-12-06 23:54:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-06 23:54:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-06 23:54:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_vbus_draw [2021-12-06 23:54:35,282 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_vbus_draw [2021-12-06 23:54:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure musb_suspend [2021-12-06 23:54:35,282 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_suspend [2021-12-06 23:54:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:54:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure musb_exit_debugfs [2021-12-06 23:54:35,282 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_exit_debugfs [2021-12-06 23:54:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 23:54:35,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 23:54:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:54:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 23:54:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 23:54:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 23:54:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 23:54:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:54:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifoadd [2021-12-06 23:54:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifoadd [2021-12-06 23:54:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_ep [2021-12-06 23:54:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_ep [2021-12-06 23:54:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_otg_state_string [2021-12-06 23:54:35,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_otg_state_string [2021-12-06 23:54:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 23:54:35,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 23:54:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure musb_otg_timer_func [2021-12-06 23:54:35,284 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_otg_timer_func [2021-12-06 23:54:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_toggle [2021-12-06 23:54:35,284 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_toggle [2021-12-06 23:54:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-06 23:54:35,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-06 23:54:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start_urb [2021-12-06 23:54:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start_urb [2021-12-06 23:54:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_table [2021-12-06 23:54:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_table [2021-12-06 23:54:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure musb_load_testpacket [2021-12-06 23:54:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_load_testpacket [2021-12-06 23:54:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfunaddr [2021-12-06 23:54:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfunaddr [2021-12-06 23:54:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_13_2 [2021-12-06 23:54:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_13_2 [2021-12-06 23:54:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-06 23:54:35,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-06 23:54:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_get_frame_number [2021-12-06 23:54:35,286 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_get_frame_number [2021-12-06 23:54:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubaddr [2021-12-06 23:54:35,286 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubaddr [2021-12-06 23:54:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:54:35,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:54:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_disable [2021-12-06 23:54:35,286 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_disable [2021-12-06 23:54:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 23:54:35,287 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 23:54:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_temp_buffer [2021-12-06 23:54:35,287 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_temp_buffer [2021-12-06 23:54:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubaddr [2021-12-06 23:54:35,287 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubaddr [2021-12-06 23:54:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 23:54:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2021-12-06 23:54:35,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2021-12-06 23:54:35,287 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_dequeue [2021-12-06 23:54:35,288 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_dequeue [2021-12-06 23:54:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-12-06 23:54:35,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-12-06 23:54:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_target_reg_base [2021-12-06 23:54:35,288 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_target_reg_base [2021-12-06 23:54:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure musb_init_controller [2021-12-06 23:54:35,288 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_init_controller [2021-12-06 23:54:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 23:54:35,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 23:54:35,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_map_urb_for_dma [2021-12-06 23:54:35,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_map_urb_for_dma [2021-12-06 23:54:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 23:54:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 23:54:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure musb_stop [2021-12-06 23:54:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_stop [2021-12-06 23:54:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-12-06 23:54:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-12-06 23:54:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-06 23:54:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-06 23:54:35,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-06 23:54:35,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-06 23:54:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:54:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-12-06 23:54:35,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-12-06 23:54:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 23:54:35,290 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 23:54:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-06 23:54:35,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-06 23:54:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure musb_restore_context [2021-12-06 23:54:35,290 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_restore_context [2021-12-06 23:54:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2021-12-06 23:54:35,291 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2021-12-06 23:54:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 23:54:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure dma_channel_status [2021-12-06 23:54:35,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_channel_status [2021-12-06 23:54:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_exit [2021-12-06 23:54:35,291 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_exit [2021-12-06 23:54:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-06 23:54:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_dequeue [2021-12-06 23:54:35,291 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_dequeue [2021-12-06 23:54:35,291 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 23:54:35,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 23:54:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 23:54:35,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 23:54:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_fifo [2021-12-06 23:54:35,292 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_fifo [2021-12-06 23:54:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_irq [2021-12-06 23:54:35,292 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_irq [2021-12-06 23:54:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 23:54:35,292 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 23:54:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure musb_dma_completion [2021-12-06 23:54:35,292 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_dma_completion [2021-12-06 23:54:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure next_urb [2021-12-06 23:54:35,293 INFO L138 BoogieDeclarations]: Found implementation of procedure next_urb [2021-12-06 23:54:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 23:54:35,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 23:54:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2021-12-06 23:54:35,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2021-12-06 23:54:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_stop [2021-12-06 23:54:35,293 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_stop [2021-12-06 23:54:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_self_powered [2021-12-06 23:54:35,293 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_self_powered [2021-12-06 23:54:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bulk_nak_timeout [2021-12-06 23:54:35,294 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bulk_nak_timeout [2021-12-06 23:54:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 23:54:35,294 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 23:54:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_fifo [2021-12-06 23:54:35,294 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_fifo [2021-12-06 23:54:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure musb_advance_schedule [2021-12-06 23:54:35,294 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_advance_schedule [2021-12-06 23:54:35,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-06 23:54:35,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-06 23:54:35,295 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_suspend [2021-12-06 23:54:35,295 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_suspend [2021-12-06 23:54:35,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-06 23:54:35,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-06 23:54:35,295 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_disable [2021-12-06 23:54:35,295 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_disable [2021-12-06 23:54:35,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-12-06 23:54:35,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-12-06 23:54:35,295 INFO L130 BoogieDeclarations]: Found specification of procedure txstate [2021-12-06 23:54:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure txstate [2021-12-06 23:54:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_on [2021-12-06 23:54:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_on [2021-12-06 23:54:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_cleanup [2021-12-06 23:54:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_cleanup [2021-12-06 23:54:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:54:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-12-06 23:54:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-12-06 23:54:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 23:54:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 23:54:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-12-06 23:54:35,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-12-06 23:54:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-12-06 23:54:35,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-12-06 23:54:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_program [2021-12-06 23:54:35,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_program [2021-12-06 23:54:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-12-06 23:54:35,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-12-06 23:54:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-12-06 23:54:35,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-12-06 23:54:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2021-12-06 23:54:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2021-12-06 23:54:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_enable [2021-12-06 23:54:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_enable [2021-12-06 23:54:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-12-06 23:54:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-12-06 23:54:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure musb_mode_show [2021-12-06 23:54:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_mode_show [2021-12-06 23:54:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure strstarts [2021-12-06 23:54:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure strstarts [2021-12-06 23:54:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure rxstate [2021-12-06 23:54:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rxstate [2021-12-06 23:54:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-12-06 23:54:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-12-06 23:54:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-06 23:54:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2021-12-06 23:54:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2021-12-06 23:54:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubport [2021-12-06 23:54:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubport [2021-12-06 23:54:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure musb_tx_dma_program [2021-12-06 23:54:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_tx_dma_program [2021-12-06 23:54:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure musb_generic_disable [2021-12-06 23:54:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_generic_disable [2021-12-06 23:54:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_enable [2021-12-06 23:54:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_enable [2021-12-06 23:54:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_dma_buffer [2021-12-06 23:54:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_dma_buffer [2021-12-06 23:54:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-06 23:54:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-06 23:54:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-06 23:54:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-06 23:54:35,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 23:54:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 23:54:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_mode [2021-12-06 23:54:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_mode [2021-12-06 23:54:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_halt [2021-12-06 23:54:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_halt [2021-12-06 23:54:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_irq [2021-12-06 23:54:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_irq [2021-12-06 23:54:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 23:54:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 23:54:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure forward_to_driver [2021-12-06 23:54:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure forward_to_driver [2021-12-06 23:54:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_flush_rxfifo [2021-12-06 23:54:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_flush_rxfifo [2021-12-06 23:54:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-06 23:54:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-06 23:54:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_try_idle [2021-12-06 23:54:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_try_idle [2021-12-06 23:54:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure init_peripheral_ep [2021-12-06 23:54:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peripheral_ep [2021-12-06 23:54:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifosz [2021-12-06 23:54:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifosz [2021-12-06 23:54:35,302 INFO L130 BoogieDeclarations]: Found specification of procedure musb_remove [2021-12-06 23:54:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_remove [2021-12-06 23:54:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfunaddr [2021-12-06 23:54:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfunaddr [2021-12-06 23:54:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-12-06 23:54:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-12-06 23:54:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-06 23:54:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-06 23:54:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-06 23:54:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-06 23:54:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-12-06 23:54:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-12-06 23:54:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hub_status_data [2021-12-06 23:54:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hub_status_data [2021-12-06 23:54:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 23:54:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 23:54:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-06 23:54:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-06 23:54:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free [2021-12-06 23:54:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free [2021-12-06 23:54:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 23:54:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 23:54:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-06 23:54:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-06 23:54:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-06 23:54:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-06 23:54:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:54:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure musb_cleanup_urb [2021-12-06 23:54:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_cleanup_urb [2021-12-06 23:54:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~~u32~0 [2021-12-06 23:54:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~~u32~0 [2021-12-06 23:54:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_hw [2021-12-06 23:54:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_hw [2021-12-06 23:54:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_peripheral [2021-12-06 23:54:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_peripheral [2021-12-06 23:54:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 23:54:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 23:54:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 23:54:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 23:54:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-06 23:54:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure musb_resume [2021-12-06 23:54:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_resume [2021-12-06 23:54:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 23:54:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 23:54:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 23:54:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure service_zero_data_request [2021-12-06 23:54:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure service_zero_data_request [2021-12-06 23:54:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_set_qh [2021-12-06 23:54:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_set_qh [2021-12-06 23:54:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-06 23:54:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-06 23:54:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_abort [2021-12-06 23:54:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_abort [2021-12-06 23:54:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 23:54:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-06 23:54:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-06 23:54:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_flush [2021-12-06 23:54:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_flush [2021-12-06 23:54:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hnp_stop [2021-12-06 23:54:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hnp_stop [2021-12-06 23:54:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure dma_controller_destroy [2021-12-06 23:54:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_controller_destroy [2021-12-06 23:54:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_reset [2021-12-06 23:54:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_reset [2021-12-06 23:54:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-06 23:54:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-06 23:54:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_pullup [2021-12-06 23:54:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_pullup [2021-12-06 23:54:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 23:54:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 23:54:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-06 23:54:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-06 23:54:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_tx_flush_fifo [2021-12-06 23:54:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_tx_flush_fifo [2021-12-06 23:54:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 23:54:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 23:54:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-06 23:54:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-06 23:54:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-12-06 23:54:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-12-06 23:54:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2021-12-06 23:54:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2021-12-06 23:54:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 23:54:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 23:54:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 23:54:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 23:54:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure first_qh [2021-12-06 23:54:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure first_qh [2021-12-06 23:54:35,310 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-06 23:54:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-06 23:54:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-06 23:54:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-06 23:54:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-06 23:54:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-06 23:54:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure nuke [2021-12-06 23:54:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure nuke [2021-12-06 23:54:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start [2021-12-06 23:54:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start [2021-12-06 23:54:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_rx [2021-12-06 23:54:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_rx [2021-12-06 23:54:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2021-12-06 23:54:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2021-12-06 23:54:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-06 23:54:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-06 23:54:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_resume [2021-12-06 23:54:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_resume [2021-12-06 23:54:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2021-12-06 23:54:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2021-12-06 23:54:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-12-06 23:54:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-12-06 23:54:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_rx [2021-12-06 23:54:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_rx [2021-12-06 23:54:35,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 23:54:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 23:54:35,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 23:54:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 23:54:35,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_97 [2021-12-06 23:54:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_97 [2021-12-06 23:54:35,313 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_stop [2021-12-06 23:54:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_stop [2021-12-06 23:54:35,313 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_tx [2021-12-06 23:54:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_tx [2021-12-06 23:54:35,313 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_packet_rx [2021-12-06 23:54:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_packet_rx [2021-12-06 23:54:35,313 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 23:54:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 23:54:35,314 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ep0stage [2021-12-06 23:54:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ep0stage [2021-12-06 23:54:35,314 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2021-12-06 23:54:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2021-12-06 23:54:35,314 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_halt [2021-12-06 23:54:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_halt [2021-12-06 23:54:35,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-06 23:54:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-06 23:54:35,314 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_resume [2021-12-06 23:54:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_resume [2021-12-06 23:54:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-06 23:54:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-06 23:54:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-06 23:54:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-06 23:54:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure musb_alloc_request [2021-12-06 23:54:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_alloc_request [2021-12-06 23:54:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_ulpi_buscontrol [2021-12-06 23:54:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_ulpi_buscontrol [2021-12-06 23:54:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2021-12-06 23:54:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2021-12-06 23:54:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_halt [2021-12-06 23:54:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_halt [2021-12-06 23:54:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_musb [2021-12-06 23:54:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_musb [2021-12-06 23:54:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_configure_channel [2021-12-06 23:54:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_configure_channel [2021-12-06 23:54:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifoadd [2021-12-06 23:54:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifoadd [2021-12-06 23:54:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 23:54:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 23:54:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 23:54:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-06 23:54:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-06 23:54:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_suspend [2021-12-06 23:54:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_suspend [2021-12-06 23:54:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_reset [2021-12-06 23:54:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_reset [2021-12-06 23:54:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 23:54:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 23:54:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-06 23:54:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-06 23:54:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-06 23:54:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-06 23:54:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure musb_probe [2021-12-06 23:54:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_probe [2021-12-06 23:54:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_tx [2021-12-06 23:54:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_tx [2021-12-06 23:54:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_cleanup [2021-12-06 23:54:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_cleanup [2021-12-06 23:54:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-06 23:54:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-06 23:54:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-12-06 23:54:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-12-06 23:54:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_musb [2021-12-06 23:54:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_musb [2021-12-06 23:54:35,318 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_request [2021-12-06 23:54:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_request [2021-12-06 23:54:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_init [2021-12-06 23:54:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_init [2021-12-06 23:54:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_start [2021-12-06 23:54:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_start [2021-12-06 23:54:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_context [2021-12-06 23:54:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_context [2021-12-06 23:54:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_release [2021-12-06 23:54:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_release [2021-12-06 23:54:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_giveback [2021-12-06 23:54:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_giveback [2021-12-06 23:54:35,319 INFO L130 BoogieDeclarations]: Found specification of procedure next_in_request [2021-12-06 23:54:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure next_in_request [2021-12-06 23:54:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-12-06 23:54:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-12-06 23:54:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 23:54:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_wedge [2021-12-06 23:54:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_wedge [2021-12-06 23:54:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-12-06 23:54:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-12-06 23:54:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-06 23:54:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-06 23:54:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_request [2021-12-06 23:54:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_request [2021-12-06 23:54:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2021-12-06 23:54:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2021-12-06 23:54:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 23:54:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 23:54:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifosz [2021-12-06 23:54:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifosz [2021-12-06 23:54:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_giveback [2021-12-06 23:54:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_giveback [2021-12-06 23:54:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_host [2021-12-06 23:54:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_host [2021-12-06 23:54:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_get_frame [2021-12-06 23:54:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_get_frame [2021-12-06 23:54:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-06 23:54:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-06 23:54:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-12-06 23:54:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-12-06 23:54:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-06 23:54:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-06 23:54:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-12-06 23:54:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-12-06 23:54:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-06 23:54:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-06 23:54:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 23:54:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 23:54:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-06 23:54:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-06 23:54:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure musb_recover_work [2021-12-06 23:54:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_recover_work [2021-12-06 23:54:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_setup [2021-12-06 23:54:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_setup [2021-12-06 23:54:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-06 23:54:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-06 23:54:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-06 23:54:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-06 23:54:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_ulpi_buscontrol [2021-12-06 23:54:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_ulpi_buscontrol [2021-12-06 23:54:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_open [2021-12-06 23:54:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_open [2021-12-06 23:54:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 23:54:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 23:54:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2021-12-06 23:54:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2021-12-06 23:54:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-06 23:54:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-06 23:54:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_set_power [2021-12-06 23:54:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_set_power [2021-12-06 23:54:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_vbus [2021-12-06 23:54:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_vbus [2021-12-06 23:54:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubport [2021-12-06 23:54:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubport [2021-12-06 23:54:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure musb_giveback [2021-12-06 23:54:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_giveback [2021-12-06 23:54:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_13 [2021-12-06 23:54:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_13 [2021-12-06 23:54:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-06 23:54:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-06 23:54:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_program [2021-12-06 23:54:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_program [2021-12-06 23:54:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 23:54:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 23:54:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 23:54:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 23:54:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure musb_shutdown [2021-12-06 23:54:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_shutdown [2021-12-06 23:54:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-06 23:54:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-06 23:54:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 23:54:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 23:54:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_callback [2021-12-06 23:54:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_callback [2021-12-06 23:54:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 23:54:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 23:54:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-12-06 23:54:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-12-06 23:54:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure musb_regdump_open [2021-12-06 23:54:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_regdump_open [2021-12-06 23:54:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 23:54:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 23:54:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:54:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-12-06 23:54:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-12-06 23:54:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure musb_pullup [2021-12-06 23:54:35,327 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_pullup [2021-12-06 23:54:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_is_compatible [2021-12-06 23:54:35,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_is_compatible [2021-12-06 23:54:36,322 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:54:36,326 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:54:36,998 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 23:54:47,899 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:54:47,926 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:54:47,926 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 23:54:47,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:54:47 BoogieIcfgContainer [2021-12-06 23:54:47,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:54:47,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:54:47,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:54:47,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:54:47,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:54:26" (1/3) ... [2021-12-06 23:54:47,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7dfaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:54:47, skipping insertion in model container [2021-12-06 23:54:47,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:54:34" (2/3) ... [2021-12-06 23:54:47,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7dfaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:54:47, skipping insertion in model container [2021-12-06 23:54:47,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:54:47" (3/3) ... [2021-12-06 23:54:47,938 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-12-06 23:54:47,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:54:47,942 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-12-06 23:54:47,999 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:54:48,004 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:54:48,004 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-12-06 23:54:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 6029 states, 4147 states have (on average 1.3142030383409693) internal successors, (5450), 4295 states have internal predecessors, (5450), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) [2021-12-06 23:54:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-06 23:54:48,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:54:48,100 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] [2021-12-06 23:54:48,100 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 26 more)] === [2021-12-06 23:54:48,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:54:48,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1702780898, now seen corresponding path program 1 times [2021-12-06 23:54:48,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:54:48,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062385857] [2021-12-06 23:54:48,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:54:48,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:54:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:54:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:54:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:54:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:54:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:54:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:54:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:54:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:54:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:54:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:54:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:54:48,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:54:48,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062385857] [2021-12-06 23:54:48,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062385857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:54:48,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:54:48,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:54:48,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82325100] [2021-12-06 23:54:48,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:54:48,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:54:48,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:54:48,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:54:48,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:54:48,982 INFO L87 Difference]: Start difference. First operand has 6029 states, 4147 states have (on average 1.3142030383409693) internal successors, (5450), 4295 states have internal predecessors, (5450), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-12-06 23:55:00,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:55:00,617 INFO L93 Difference]: Finished difference Result 12016 states and 17469 transitions. [2021-12-06 23:55:00,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:55:00,618 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 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 64 [2021-12-06 23:55:00,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:55:00,661 INFO L225 Difference]: With dead ends: 12016 [2021-12-06 23:55:00,661 INFO L226 Difference]: Without dead ends: 5992 [2021-12-06 23:55:00,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:55:00,697 INFO L933 BasicCegarLoop]: 7386 mSDtfsCounter, 14306 mSDsluCounter, 5408 mSDsCounter, 0 mSdLazyCounter, 7384 mSolverCounterSat, 7714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14722 SdHoareTripleChecker+Valid, 12794 SdHoareTripleChecker+Invalid, 15098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7714 IncrementalHoareTripleChecker+Valid, 7384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:55:00,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14722 Valid, 12794 Invalid, 15098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7714 Valid, 7384 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2021-12-06 23:55:00,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5992 states. [2021-12-06 23:55:00,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5992 to 5992. [2021-12-06 23:55:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5992 states, 4124 states have (on average 1.302376333656644) internal successors, (5371), 4260 states have internal predecessors, (5371), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-06 23:55:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5992 states to 5992 states and 8499 transitions. [2021-12-06 23:55:01,052 INFO L78 Accepts]: Start accepts. Automaton has 5992 states and 8499 transitions. Word has length 64 [2021-12-06 23:55:01,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:55:01,053 INFO L470 AbstractCegarLoop]: Abstraction has 5992 states and 8499 transitions. [2021-12-06 23:55:01,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-12-06 23:55:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 5992 states and 8499 transitions. [2021-12-06 23:55:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-06 23:55:01,057 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:55:01,057 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] [2021-12-06 23:55:01,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:55:01,058 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 26 more)] === [2021-12-06 23:55:01,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:55:01,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1631613995, now seen corresponding path program 1 times [2021-12-06 23:55:01,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:55:01,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808055035] [2021-12-06 23:55:01,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:55:01,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:55:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:55:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:55:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:55:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:55:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:55:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:55:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:55:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:55:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:55:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:55:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:55:01,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:55:01,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808055035] [2021-12-06 23:55:01,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808055035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:55:01,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:55:01,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:55:01,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908752105] [2021-12-06 23:55:01,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:55:01,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:55:01,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:55:01,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:55:01,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:55:01,564 INFO L87 Difference]: Start difference. First operand 5992 states and 8499 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 23:55:04,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:55:15,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:55:15,305 INFO L93 Difference]: Finished difference Result 5992 states and 8499 transitions. [2021-12-06 23:55:15,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:55:15,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 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 70 [2021-12-06 23:55:15,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:55:15,337 INFO L225 Difference]: With dead ends: 5992 [2021-12-06 23:55:15,338 INFO L226 Difference]: Without dead ends: 5990 [2021-12-06 23:55:15,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:55:15,341 INFO L933 BasicCegarLoop]: 7354 mSDtfsCounter, 14260 mSDsluCounter, 5362 mSDsCounter, 0 mSdLazyCounter, 7371 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14673 SdHoareTripleChecker+Valid, 12716 SdHoareTripleChecker+Invalid, 15064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7371 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:55:15,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14673 Valid, 12716 Invalid, 15064 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7371 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2021-12-06 23:55:15,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5990 states. [2021-12-06 23:55:15,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5990 to 5990. [2021-12-06 23:55:15,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 4123 states have (on average 1.302207130730051) internal successors, (5369), 4258 states have internal predecessors, (5369), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-06 23:55:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 8497 transitions. [2021-12-06 23:55:15,604 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 8497 transitions. Word has length 70 [2021-12-06 23:55:15,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:55:15,605 INFO L470 AbstractCegarLoop]: Abstraction has 5990 states and 8497 transitions. [2021-12-06 23:55:15,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 23:55:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 8497 transitions. [2021-12-06 23:55:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-06 23:55:15,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:55:15,607 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] [2021-12-06 23:55:15,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:55:15,607 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 26 more)] === [2021-12-06 23:55:15,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:55:15,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1094945144, now seen corresponding path program 1 times [2021-12-06 23:55:15,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:55:15,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693232910] [2021-12-06 23:55:15,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:55:15,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:55:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:55:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:15,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:55:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:55:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:55:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:15,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:55:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:55:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:55:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:15,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:55:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:55:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:55:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:16,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:55:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:55:16,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:55:16,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693232910] [2021-12-06 23:55:16,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693232910] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:55:16,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:55:16,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:55:16,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383155179] [2021-12-06 23:55:16,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:55:16,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:55:16,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:55:16,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:55:16,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:55:16,038 INFO L87 Difference]: Start difference. First operand 5990 states and 8497 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-06 23:55:27,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:55:27,251 INFO L93 Difference]: Finished difference Result 5990 states and 8497 transitions. [2021-12-06 23:55:27,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:55:27,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 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 76 [2021-12-06 23:55:27,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:55:27,278 INFO L225 Difference]: With dead ends: 5990 [2021-12-06 23:55:27,279 INFO L226 Difference]: Without dead ends: 5988 [2021-12-06 23:55:27,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:55:27,281 INFO L933 BasicCegarLoop]: 7352 mSDtfsCounter, 14254 mSDsluCounter, 5362 mSDsCounter, 0 mSdLazyCounter, 7370 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14666 SdHoareTripleChecker+Valid, 12714 SdHoareTripleChecker+Invalid, 15062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:55:27,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14666 Valid, 12714 Invalid, 15062 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7370 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2021-12-06 23:55:27,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5988 states. [2021-12-06 23:55:27,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5988 to 5988. [2021-12-06 23:55:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 4122 states have (on average 1.302037845705968) internal successors, (5367), 4256 states have internal predecessors, (5367), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-06 23:55:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 8495 transitions. [2021-12-06 23:55:27,487 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 8495 transitions. Word has length 76 [2021-12-06 23:55:27,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:55:27,487 INFO L470 AbstractCegarLoop]: Abstraction has 5988 states and 8495 transitions. [2021-12-06 23:55:27,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-06 23:55:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 8495 transitions. [2021-12-06 23:55:27,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-06 23:55:27,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:55:27,489 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] [2021-12-06 23:55:27,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:55:27,489 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 26 more)] === [2021-12-06 23:55:27,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:55:27,489 INFO L85 PathProgramCache]: Analyzing trace with hash 849088761, now seen corresponding path program 1 times [2021-12-06 23:55:27,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:55:27,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555278527] [2021-12-06 23:55:27,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:55:27,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:55:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:55:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:55:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:55:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:55:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:55:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:55:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:55:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:55:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:55:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:55:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:55:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:55:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:55:27,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:55:27,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555278527] [2021-12-06 23:55:27,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555278527] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:55:27,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:55:27,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:55:27,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124083898] [2021-12-06 23:55:27,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:55:27,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:55:27,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:55:27,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:55:27,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:55:27,977 INFO L87 Difference]: Start difference. First operand 5988 states and 8495 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 23:55:30,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:55:41,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:55:41,460 INFO L93 Difference]: Finished difference Result 5988 states and 8495 transitions. [2021-12-06 23:55:41,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:55:41,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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 82 [2021-12-06 23:55:41,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:55:41,490 INFO L225 Difference]: With dead ends: 5988 [2021-12-06 23:55:41,490 INFO L226 Difference]: Without dead ends: 5986 [2021-12-06 23:55:41,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:55:41,494 INFO L933 BasicCegarLoop]: 7350 mSDtfsCounter, 14248 mSDsluCounter, 5362 mSDsCounter, 0 mSdLazyCounter, 7367 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14659 SdHoareTripleChecker+Valid, 12712 SdHoareTripleChecker+Invalid, 15060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7367 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:55:41,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14659 Valid, 12712 Invalid, 15060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7367 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2021-12-06 23:55:41,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5986 states. [2021-12-06 23:55:41,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5986 to 5986. [2021-12-06 23:55:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5986 states, 4121 states have (on average 1.30186847852463) internal successors, (5365), 4254 states have internal predecessors, (5365), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-06 23:55:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5986 states to 5986 states and 8493 transitions. [2021-12-06 23:55:41,712 INFO L78 Accepts]: Start accepts. Automaton has 5986 states and 8493 transitions. Word has length 82 [2021-12-06 23:55:41,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:55:41,712 INFO L470 AbstractCegarLoop]: Abstraction has 5986 states and 8493 transitions. [2021-12-06 23:55:41,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 23:55:41,713 INFO L276 IsEmpty]: Start isEmpty. Operand 5986 states and 8493 transitions. [2021-12-06 23:55:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-06 23:55:41,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:55:41,714 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] [2021-12-06 23:55:41,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:55:41,715 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-06 23:55:41,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:55:41,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2061214948, now seen corresponding path program 1 times [2021-12-06 23:55:41,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:55:41,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302447189] [2021-12-06 23:55:41,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:55:41,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:55:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:55:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:55:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:55:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 23:55:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:55:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:55:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:55:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 23:55:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:55:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:55:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:55:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 23:55:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 23:55:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-06 23:55:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 23:55:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:55:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-06 23:55:42,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:55:42,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302447189] [2021-12-06 23:55:42,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302447189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:55:42,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:55:42,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:55:42,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706647422] [2021-12-06 23:55:42,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:55:42,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:55:42,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:55:42,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:55:42,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:55:42,262 INFO L87 Difference]: Start difference. First operand 5986 states and 8493 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 23:55:44,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:55:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:55:59,815 INFO L93 Difference]: Finished difference Result 12323 states and 17587 transitions. [2021-12-06 23:55:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:55:59,816 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2021-12-06 23:55:59,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:55:59,845 INFO L225 Difference]: With dead ends: 12323 [2021-12-06 23:55:59,845 INFO L226 Difference]: Without dead ends: 6356 [2021-12-06 23:55:59,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:55:59,863 INFO L933 BasicCegarLoop]: 6726 mSDtfsCounter, 17115 mSDsluCounter, 3330 mSDsCounter, 0 mSdLazyCounter, 7875 mSolverCounterSat, 12418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17549 SdHoareTripleChecker+Valid, 10056 SdHoareTripleChecker+Invalid, 20293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12418 IncrementalHoareTripleChecker+Valid, 7875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:55:59,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17549 Valid, 10056 Invalid, 20293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12418 Valid, 7875 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2021-12-06 23:55:59,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6356 states. [2021-12-06 23:56:00,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6356 to 5982. [2021-12-06 23:56:00,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5982 states, 4118 states have (on average 1.3016027197668771) internal successors, (5360), 4250 states have internal predecessors, (5360), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-06 23:56:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5982 states to 5982 states and 8488 transitions. [2021-12-06 23:56:00,153 INFO L78 Accepts]: Start accepts. Automaton has 5982 states and 8488 transitions. Word has length 93 [2021-12-06 23:56:00,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:56:00,153 INFO L470 AbstractCegarLoop]: Abstraction has 5982 states and 8488 transitions. [2021-12-06 23:56:00,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 23:56:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5982 states and 8488 transitions. [2021-12-06 23:56:00,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-06 23:56:00,154 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:56:00,155 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] [2021-12-06 23:56:00,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:56:00,155 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 26 more)] === [2021-12-06 23:56:00,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:56:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1598118806, now seen corresponding path program 1 times [2021-12-06 23:56:00,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:56:00,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023341243] [2021-12-06 23:56:00,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:56:00,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:56:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:56:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:56:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:56:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:56:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:56:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:56:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:56:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:56:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:56:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:56:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:56:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:56:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:56:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:56:00,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:56:00,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023341243] [2021-12-06 23:56:00,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023341243] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:56:00,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:56:00,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:56:00,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408820124] [2021-12-06 23:56:00,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:56:00,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:56:00,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:56:00,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:56:00,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:56:00,524 INFO L87 Difference]: Start difference. First operand 5982 states and 8488 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 23:56:03,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:56:13,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:56:13,907 INFO L93 Difference]: Finished difference Result 5982 states and 8488 transitions. [2021-12-06 23:56:13,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:56:13,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 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 88 [2021-12-06 23:56:13,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:56:13,924 INFO L225 Difference]: With dead ends: 5982 [2021-12-06 23:56:13,924 INFO L226 Difference]: Without dead ends: 5980 [2021-12-06 23:56:13,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:56:13,927 INFO L933 BasicCegarLoop]: 7343 mSDtfsCounter, 14237 mSDsluCounter, 5348 mSDsCounter, 0 mSdLazyCounter, 7364 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14647 SdHoareTripleChecker+Valid, 12691 SdHoareTripleChecker+Invalid, 15057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:56:13,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14647 Valid, 12691 Invalid, 15057 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7364 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-12-06 23:56:13,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5980 states. [2021-12-06 23:56:14,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5980 to 5980. [2021-12-06 23:56:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5980 states, 4117 states have (on average 1.3014330823415108) internal successors, (5358), 4248 states have internal predecessors, (5358), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-06 23:56:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5980 states to 5980 states and 8486 transitions. [2021-12-06 23:56:14,143 INFO L78 Accepts]: Start accepts. Automaton has 5980 states and 8486 transitions. Word has length 88 [2021-12-06 23:56:14,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:56:14,143 INFO L470 AbstractCegarLoop]: Abstraction has 5980 states and 8486 transitions. [2021-12-06 23:56:14,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 23:56:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 5980 states and 8486 transitions. [2021-12-06 23:56:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-06 23:56:14,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:56:14,144 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-12-06 23:56:14,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:56:14,145 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-06 23:56:14,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:56:14,145 INFO L85 PathProgramCache]: Analyzing trace with hash -93524621, now seen corresponding path program 1 times [2021-12-06 23:56:14,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:56:14,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437257271] [2021-12-06 23:56:14,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:56:14,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:56:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:56:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:56:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:56:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 23:56:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:56:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:56:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:56:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 23:56:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:56:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:56:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:56:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 23:56:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 23:56:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-06 23:56:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 23:56:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 23:56:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-06 23:56:14,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:56:14,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437257271] [2021-12-06 23:56:14,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437257271] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:56:14,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013462080] [2021-12-06 23:56:14,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:56:14,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:56:14,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:56:14,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:56:14,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:56:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:15,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 8614 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:56:15,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:56:15,977 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-06 23:56:15,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:56:15,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013462080] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:56:15,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:56:15,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-12-06 23:56:15,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625310844] [2021-12-06 23:56:15,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:56:15,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:56:15,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:56:15,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:56:15,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:56:15,978 INFO L87 Difference]: Start difference. First operand 5980 states and 8486 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 23:56:16,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:56:16,274 INFO L93 Difference]: Finished difference Result 11937 states and 16940 transitions. [2021-12-06 23:56:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:56:16,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 99 [2021-12-06 23:56:16,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:56:16,292 INFO L225 Difference]: With dead ends: 11937 [2021-12-06 23:56:16,292 INFO L226 Difference]: Without dead ends: 5976 [2021-12-06 23:56:16,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:56:16,311 INFO L933 BasicCegarLoop]: 8480 mSDtfsCounter, 8460 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8460 SdHoareTripleChecker+Valid, 8480 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:56:16,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8460 Valid, 8480 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:56:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2021-12-06 23:56:16,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5976. [2021-12-06 23:56:16,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5976 states, 4114 states have (on average 1.3011667476908118) internal successors, (5353), 4244 states have internal predecessors, (5353), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-06 23:56:16,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 8481 transitions. [2021-12-06 23:56:16,542 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 8481 transitions. Word has length 99 [2021-12-06 23:56:16,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:56:16,542 INFO L470 AbstractCegarLoop]: Abstraction has 5976 states and 8481 transitions. [2021-12-06 23:56:16,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 23:56:16,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 8481 transitions. [2021-12-06 23:56:16,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-06 23:56:16,543 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:56:16,544 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] [2021-12-06 23:56:16,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:56:16,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:56:16,744 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 26 more)] === [2021-12-06 23:56:16,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:56:16,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1918520259, now seen corresponding path program 1 times [2021-12-06 23:56:16,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:56:16,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388125499] [2021-12-06 23:56:16,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:56:16,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:56:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:56:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:56:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:56:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:56:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:56:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:56:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:56:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:56:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:56:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:56:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:56:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:56:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:56:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:56:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:56:17,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:56:17,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388125499] [2021-12-06 23:56:17,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388125499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:56:17,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:56:17,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:56:17,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36843433] [2021-12-06 23:56:17,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:56:17,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:56:17,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:56:17,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:56:17,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:56:17,140 INFO L87 Difference]: Start difference. First operand 5976 states and 8481 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-06 23:56:19,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:56:31,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:56:31,088 INFO L93 Difference]: Finished difference Result 5976 states and 8481 transitions. [2021-12-06 23:56:31,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:56:31,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 94 [2021-12-06 23:56:31,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:56:31,110 INFO L225 Difference]: With dead ends: 5976 [2021-12-06 23:56:31,110 INFO L226 Difference]: Without dead ends: 5974 [2021-12-06 23:56:31,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:56:31,113 INFO L933 BasicCegarLoop]: 7336 mSDtfsCounter, 14226 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7361 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14635 SdHoareTripleChecker+Valid, 12670 SdHoareTripleChecker+Invalid, 15054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7361 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:56:31,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14635 Valid, 12670 Invalid, 15054 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7361 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2021-12-06 23:56:31,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5974 states. [2021-12-06 23:56:31,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5974 to 5974. [2021-12-06 23:56:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5974 states, 4113 states have (on average 1.300996839290056) internal successors, (5351), 4242 states have internal predecessors, (5351), 1565 states have call successors, (1565), 277 states have call predecessors, (1565), 276 states have return successors, (1563), 1536 states have call predecessors, (1563), 1563 states have call successors, (1563) [2021-12-06 23:56:31,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5974 states to 5974 states and 8479 transitions. [2021-12-06 23:56:31,347 INFO L78 Accepts]: Start accepts. Automaton has 5974 states and 8479 transitions. Word has length 94 [2021-12-06 23:56:31,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:56:31,347 INFO L470 AbstractCegarLoop]: Abstraction has 5974 states and 8479 transitions. [2021-12-06 23:56:31,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-06 23:56:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 5974 states and 8479 transitions. [2021-12-06 23:56:31,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-06 23:56:31,348 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:56:31,348 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] [2021-12-06 23:56:31,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:56:31,348 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 26 more)] === [2021-12-06 23:56:31,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:56:31,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1214601926, now seen corresponding path program 1 times [2021-12-06 23:56:31,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:56:31,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483045598] [2021-12-06 23:56:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:56:31,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:56:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:56:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:56:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:56:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:56:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:56:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:56:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:56:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:56:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:56:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:56:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:56:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:56:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:56:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:56:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 23:56:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:56:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:56:31,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:56:31,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483045598] [2021-12-06 23:56:31,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483045598] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:56:31,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:56:31,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:56:31,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344030617] [2021-12-06 23:56:31,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:56:31,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:56:31,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:56:31,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:56:31,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:56:31,723 INFO L87 Difference]: Start difference. First operand 5974 states and 8479 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 23:56:33,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:56:41,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:57:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:57:00,463 INFO L93 Difference]: Finished difference Result 11905 states and 17070 transitions. [2021-12-06 23:57:00,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 23:57:00,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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 100 [2021-12-06 23:57:00,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:57:00,494 INFO L225 Difference]: With dead ends: 11905 [2021-12-06 23:57:00,495 INFO L226 Difference]: Without dead ends: 11903 [2021-12-06 23:57:00,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-06 23:57:00,498 INFO L933 BasicCegarLoop]: 8103 mSDtfsCounter, 22084 mSDsluCounter, 8971 mSDsCounter, 0 mSdLazyCounter, 16265 mSolverCounterSat, 13193 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22446 SdHoareTripleChecker+Valid, 17074 SdHoareTripleChecker+Invalid, 29459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13193 IncrementalHoareTripleChecker+Valid, 16265 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:57:00,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22446 Valid, 17074 Invalid, 29459 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13193 Valid, 16265 Invalid, 1 Unknown, 0 Unchecked, 27.9s Time] [2021-12-06 23:57:00,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11903 states. [2021-12-06 23:57:00,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11903 to 11768. [2021-12-06 23:57:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11768 states, 8117 states have (on average 1.3026980411482074) internal successors, (10574), 8358 states have internal predecessors, (10574), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-06 23:57:01,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11768 states to 11768 states and 16924 transitions. [2021-12-06 23:57:01,039 INFO L78 Accepts]: Start accepts. Automaton has 11768 states and 16924 transitions. Word has length 100 [2021-12-06 23:57:01,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:57:01,040 INFO L470 AbstractCegarLoop]: Abstraction has 11768 states and 16924 transitions. [2021-12-06 23:57:01,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 23:57:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 11768 states and 16924 transitions. [2021-12-06 23:57:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 23:57:01,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:57:01,041 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] [2021-12-06 23:57:01,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:57:01,041 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 26 more)] === [2021-12-06 23:57:01,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:57:01,042 INFO L85 PathProgramCache]: Analyzing trace with hash 2015681584, now seen corresponding path program 1 times [2021-12-06 23:57:01,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:57:01,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152037972] [2021-12-06 23:57:01,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:57:01,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:57:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:57:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:57:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:57:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:57:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:57:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:57:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:57:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:57:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:57:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:57:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:57:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:57:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:57:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:57:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 23:57:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 23:57:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:57:01,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:57:01,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152037972] [2021-12-06 23:57:01,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152037972] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:57:01,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:57:01,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:57:01,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135708921] [2021-12-06 23:57:01,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:57:01,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:57:01,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:57:01,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:57:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:57:01,409 INFO L87 Difference]: Start difference. First operand 11768 states and 16924 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 23:57:03,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:57:16,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:57:16,702 INFO L93 Difference]: Finished difference Result 11768 states and 16924 transitions. [2021-12-06 23:57:16,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:57:16,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 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 106 [2021-12-06 23:57:16,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:57:16,729 INFO L225 Difference]: With dead ends: 11768 [2021-12-06 23:57:16,730 INFO L226 Difference]: Without dead ends: 11766 [2021-12-06 23:57:16,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:57:16,734 INFO L933 BasicCegarLoop]: 7334 mSDtfsCounter, 14224 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7355 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14631 SdHoareTripleChecker+Valid, 12668 SdHoareTripleChecker+Invalid, 15048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2021-12-06 23:57:16,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14631 Valid, 12668 Invalid, 15048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7355 Invalid, 1 Unknown, 0 Unchecked, 14.7s Time] [2021-12-06 23:57:16,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11766 states. [2021-12-06 23:57:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11766 to 11766. [2021-12-06 23:57:17,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11766 states, 8116 states have (on average 1.3026121241991129) internal successors, (10572), 8356 states have internal predecessors, (10572), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-06 23:57:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11766 states to 11766 states and 16922 transitions. [2021-12-06 23:57:17,278 INFO L78 Accepts]: Start accepts. Automaton has 11766 states and 16922 transitions. Word has length 106 [2021-12-06 23:57:17,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:57:17,279 INFO L470 AbstractCegarLoop]: Abstraction has 11766 states and 16922 transitions. [2021-12-06 23:57:17,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 23:57:17,279 INFO L276 IsEmpty]: Start isEmpty. Operand 11766 states and 16922 transitions. [2021-12-06 23:57:17,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-06 23:57:17,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:57:17,280 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] [2021-12-06 23:57:17,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 23:57:17,280 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 26 more)] === [2021-12-06 23:57:17,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:57:17,281 INFO L85 PathProgramCache]: Analyzing trace with hash 40076755, now seen corresponding path program 1 times [2021-12-06 23:57:17,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:57:17,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139340619] [2021-12-06 23:57:17,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:57:17,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:57:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:57:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:57:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:57:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:57:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:57:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:57:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:57:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:57:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:57:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:57:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:57:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:57:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:57:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:57:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 23:57:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 23:57:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:57:17,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:57:17,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139340619] [2021-12-06 23:57:17,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139340619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:57:17,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:57:17,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:57:17,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191751897] [2021-12-06 23:57:17,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:57:17,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:57:17,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:57:17,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:57:17,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:57:17,630 INFO L87 Difference]: Start difference. First operand 11766 states and 16922 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, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 23:57:20,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:57:32,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:57:32,748 INFO L93 Difference]: Finished difference Result 11766 states and 16922 transitions. [2021-12-06 23:57:32,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:57:32,748 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, (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 108 [2021-12-06 23:57:32,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:57:32,776 INFO L225 Difference]: With dead ends: 11766 [2021-12-06 23:57:32,776 INFO L226 Difference]: Without dead ends: 11764 [2021-12-06 23:57:32,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:57:32,782 INFO L933 BasicCegarLoop]: 7332 mSDtfsCounter, 14212 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7357 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14619 SdHoareTripleChecker+Valid, 12666 SdHoareTripleChecker+Invalid, 15050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:57:32,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14619 Valid, 12666 Invalid, 15050 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7357 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2021-12-06 23:57:32,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11764 states. [2021-12-06 23:57:33,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11764 to 11764. [2021-12-06 23:57:33,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11764 states, 8115 states have (on average 1.3025261860751693) internal successors, (10570), 8354 states have internal predecessors, (10570), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-06 23:57:33,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11764 states to 11764 states and 16920 transitions. [2021-12-06 23:57:33,328 INFO L78 Accepts]: Start accepts. Automaton has 11764 states and 16920 transitions. Word has length 108 [2021-12-06 23:57:33,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:57:33,329 INFO L470 AbstractCegarLoop]: Abstraction has 11764 states and 16920 transitions. [2021-12-06 23:57:33,329 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, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 23:57:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand 11764 states and 16920 transitions. [2021-12-06 23:57:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-06 23:57:33,330 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:57:33,330 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] [2021-12-06 23:57:33,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 23:57:33,330 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 26 more)] === [2021-12-06 23:57:33,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:57:33,331 INFO L85 PathProgramCache]: Analyzing trace with hash 2037624046, now seen corresponding path program 1 times [2021-12-06 23:57:33,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:57:33,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982321913] [2021-12-06 23:57:33,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:57:33,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:57:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:57:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:57:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:57:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:57:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:57:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:57:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:57:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:57:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:57:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:57:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:57:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:57:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:57:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:57:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 23:57:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 23:57:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 23:57:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:57:33,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:57:33,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982321913] [2021-12-06 23:57:33,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982321913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:57:33,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:57:33,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:57:33,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036885637] [2021-12-06 23:57:33,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:57:33,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:57:33,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:57:33,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:57:33,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:57:33,673 INFO L87 Difference]: Start difference. First operand 11764 states and 16920 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, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 23:57:36,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:57:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:57:48,971 INFO L93 Difference]: Finished difference Result 11764 states and 16920 transitions. [2021-12-06 23:57:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:57:48,971 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, (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 114 [2021-12-06 23:57:48,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:57:48,993 INFO L225 Difference]: With dead ends: 11764 [2021-12-06 23:57:48,993 INFO L226 Difference]: Without dead ends: 11762 [2021-12-06 23:57:48,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:57:48,996 INFO L933 BasicCegarLoop]: 7330 mSDtfsCounter, 14208 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7355 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14614 SdHoareTripleChecker+Valid, 12664 SdHoareTripleChecker+Invalid, 15048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2021-12-06 23:57:48,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14614 Valid, 12664 Invalid, 15048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7355 Invalid, 1 Unknown, 0 Unchecked, 14.7s Time] [2021-12-06 23:57:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2021-12-06 23:57:49,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 11762. [2021-12-06 23:57:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11762 states, 8114 states have (on average 1.3024402267685482) internal successors, (10568), 8352 states have internal predecessors, (10568), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-06 23:57:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11762 states to 11762 states and 16918 transitions. [2021-12-06 23:57:49,516 INFO L78 Accepts]: Start accepts. Automaton has 11762 states and 16918 transitions. Word has length 114 [2021-12-06 23:57:49,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:57:49,516 INFO L470 AbstractCegarLoop]: Abstraction has 11762 states and 16918 transitions. [2021-12-06 23:57:49,516 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, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 23:57:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 11762 states and 16918 transitions. [2021-12-06 23:57:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-06 23:57:49,518 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:57:49,518 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] [2021-12-06 23:57:49,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 23:57:49,518 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 26 more)] === [2021-12-06 23:57:49,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:57:49,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1101502482, now seen corresponding path program 1 times [2021-12-06 23:57:49,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:57:49,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394618661] [2021-12-06 23:57:49,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:57:49,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:57:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:57:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:57:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:57:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:57:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:57:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:57:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:57:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:57:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:57:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:57:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:57:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:57:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:57:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:57:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 23:57:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 23:57:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 23:57:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 23:57:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:57:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:57:49,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:57:49,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394618661] [2021-12-06 23:57:49,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394618661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:57:49,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:57:49,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:57:49,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273330812] [2021-12-06 23:57:49,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:57:49,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:57:49,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:57:49,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:57:49,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:57:49,886 INFO L87 Difference]: Start difference. First operand 11762 states and 16918 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 23:58:03,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:58:04,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:58:04,422 INFO L93 Difference]: Finished difference Result 11762 states and 16918 transitions. [2021-12-06 23:58:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:58:04,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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 120 [2021-12-06 23:58:04,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:58:04,447 INFO L225 Difference]: With dead ends: 11762 [2021-12-06 23:58:04,447 INFO L226 Difference]: Without dead ends: 11760 [2021-12-06 23:58:04,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:58:04,451 INFO L933 BasicCegarLoop]: 7328 mSDtfsCounter, 14202 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7354 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14607 SdHoareTripleChecker+Valid, 12662 SdHoareTripleChecker+Invalid, 15046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:58:04,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14607 Valid, 12662 Invalid, 15046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7354 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2021-12-06 23:58:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11760 states. [2021-12-06 23:58:04,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11760 to 11760. [2021-12-06 23:58:04,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11760 states, 8113 states have (on average 1.3023542462714162) internal successors, (10566), 8350 states have internal predecessors, (10566), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-06 23:58:05,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11760 states to 11760 states and 16916 transitions. [2021-12-06 23:58:05,024 INFO L78 Accepts]: Start accepts. Automaton has 11760 states and 16916 transitions. Word has length 120 [2021-12-06 23:58:05,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:58:05,025 INFO L470 AbstractCegarLoop]: Abstraction has 11760 states and 16916 transitions. [2021-12-06 23:58:05,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 23:58:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 11760 states and 16916 transitions. [2021-12-06 23:58:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-06 23:58:05,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:05,027 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] [2021-12-06 23:58:05,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 23:58:05,027 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 26 more)] === [2021-12-06 23:58:05,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:05,027 INFO L85 PathProgramCache]: Analyzing trace with hash -268065326, now seen corresponding path program 1 times [2021-12-06 23:58:05,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:58:05,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772289001] [2021-12-06 23:58:05,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:05,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:58:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:58:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:58:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:58:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:58:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:58:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:58:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:58:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:58:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:58:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:58:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:58:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:58:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:58:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:58:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 23:58:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 23:58:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 23:58:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 23:58:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 23:58:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:58:05,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:58:05,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772289001] [2021-12-06 23:58:05,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772289001] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:58:05,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:58:05,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:58:05,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890211875] [2021-12-06 23:58:05,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:58:05,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:58:05,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:58:05,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:58:05,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:58:05,383 INFO L87 Difference]: Start difference. First operand 11760 states and 16916 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, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 23:58:07,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:58:20,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:58:20,887 INFO L93 Difference]: Finished difference Result 11760 states and 16916 transitions. [2021-12-06 23:58:20,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:58:20,887 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, (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 126 [2021-12-06 23:58:20,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:58:20,915 INFO L225 Difference]: With dead ends: 11760 [2021-12-06 23:58:20,915 INFO L226 Difference]: Without dead ends: 11758 [2021-12-06 23:58:20,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:58:20,920 INFO L933 BasicCegarLoop]: 7326 mSDtfsCounter, 14196 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7351 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14600 SdHoareTripleChecker+Valid, 12660 SdHoareTripleChecker+Invalid, 15044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:58:20,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14600 Valid, 12660 Invalid, 15044 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7351 Invalid, 1 Unknown, 0 Unchecked, 14.8s Time] [2021-12-06 23:58:20,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11758 states. [2021-12-06 23:58:21,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11758 to 11758. [2021-12-06 23:58:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11758 states, 8112 states have (on average 1.3022682445759368) internal successors, (10564), 8348 states have internal predecessors, (10564), 3093 states have call successors, (3093), 540 states have call predecessors, (3093), 538 states have return successors, (3257), 3031 states have call predecessors, (3257), 3091 states have call successors, (3257) [2021-12-06 23:58:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11758 states to 11758 states and 16914 transitions. [2021-12-06 23:58:21,506 INFO L78 Accepts]: Start accepts. Automaton has 11758 states and 16914 transitions. Word has length 126 [2021-12-06 23:58:21,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:58:21,506 INFO L470 AbstractCegarLoop]: Abstraction has 11758 states and 16914 transitions. [2021-12-06 23:58:21,506 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, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 23:58:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 11758 states and 16914 transitions. [2021-12-06 23:58:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-12-06 23:58:21,508 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:21,508 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-06 23:58:21,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 23:58:21,508 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__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 26 more)] === [2021-12-06 23:58:21,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:21,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1292260816, now seen corresponding path program 1 times [2021-12-06 23:58:21,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:58:21,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325792690] [2021-12-06 23:58:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:21,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:58:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:58:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:58:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:58:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:58:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:58:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:58:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:58:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:58:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:58:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 23:58:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 23:58:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:58:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:58:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:58:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-06 23:58:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:58:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:58:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:58:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-06 23:58:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:58:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:58:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:58:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 23:58:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:58:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 23:58:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:58:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 23:58:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-06 23:58:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-12-06 23:58:22,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:58:22,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325792690] [2021-12-06 23:58:22,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325792690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:58:22,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:58:22,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 23:58:22,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457360882] [2021-12-06 23:58:22,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:58:22,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:58:22,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:58:22,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:58:22,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:58:22,135 INFO L87 Difference]: Start difference. First operand 11758 states and 16914 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 23:58:25,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:58:27,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:58:38,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:59:10,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:59:10,699 INFO L93 Difference]: Finished difference Result 18467 states and 26840 transitions. [2021-12-06 23:59:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 23:59:10,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 170 [2021-12-06 23:59:10,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:59:10,751 INFO L225 Difference]: With dead ends: 18467 [2021-12-06 23:59:10,751 INFO L226 Difference]: Without dead ends: 18465 [2021-12-06 23:59:10,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-12-06 23:59:10,756 INFO L933 BasicCegarLoop]: 8933 mSDtfsCounter, 17543 mSDsluCounter, 12142 mSDsCounter, 0 mSdLazyCounter, 29010 mSolverCounterSat, 12886 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17810 SdHoareTripleChecker+Valid, 21075 SdHoareTripleChecker+Invalid, 41899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12886 IncrementalHoareTripleChecker+Valid, 29010 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:59:10,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17810 Valid, 21075 Invalid, 41899 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12886 Valid, 29010 Invalid, 3 Unknown, 0 Unchecked, 47.3s Time] [2021-12-06 23:59:10,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18465 states. [2021-12-06 23:59:11,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18465 to 17871. [2021-12-06 23:59:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17871 states, 12283 states have (on average 1.2890173410404624) internal successors, (15833), 12630 states have internal predecessors, (15833), 4548 states have call successors, (4548), 965 states have call predecessors, (4548), 1025 states have return successors, (5300), 4485 states have call predecessors, (5300), 4546 states have call successors, (5300) [2021-12-06 23:59:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17871 states to 17871 states and 25681 transitions. [2021-12-06 23:59:11,659 INFO L78 Accepts]: Start accepts. Automaton has 17871 states and 25681 transitions. Word has length 170 [2021-12-06 23:59:11,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:59:11,660 INFO L470 AbstractCegarLoop]: Abstraction has 17871 states and 25681 transitions. [2021-12-06 23:59:11,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 23:59:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 17871 states and 25681 transitions. [2021-12-06 23:59:11,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-06 23:59:11,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:59:11,662 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] [2021-12-06 23:59:11,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 23:59:11,662 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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 26 more)] === [2021-12-06 23:59:11,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:59:11,662 INFO L85 PathProgramCache]: Analyzing trace with hash -404148982, now seen corresponding path program 1 times [2021-12-06 23:59:11,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:59:11,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735803208] [2021-12-06 23:59:11,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:59:11,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:59:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:59:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:59:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:59:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:59:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:59:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:59:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:59:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:59:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:59:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:59:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:59:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:59:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:59:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:59:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:12,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 23:59:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 23:59:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 23:59:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 23:59:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:12,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 23:59:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 23:59:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:12,064 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:59:12,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:59:12,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735803208] [2021-12-06 23:59:12,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735803208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:59:12,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:59:12,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:59:12,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307657067] [2021-12-06 23:59:12,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:59:12,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:59:12,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:59:12,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:59:12,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:59:12,066 INFO L87 Difference]: Start difference. First operand 17871 states and 25681 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-06 23:59:28,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:59:28,114 INFO L93 Difference]: Finished difference Result 17871 states and 25681 transitions. [2021-12-06 23:59:28,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:59:28,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 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 132 [2021-12-06 23:59:28,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:59:28,156 INFO L225 Difference]: With dead ends: 17871 [2021-12-06 23:59:28,156 INFO L226 Difference]: Without dead ends: 17869 [2021-12-06 23:59:28,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:59:28,162 INFO L933 BasicCegarLoop]: 7324 mSDtfsCounter, 14190 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7350 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14593 SdHoareTripleChecker+Valid, 12658 SdHoareTripleChecker+Invalid, 15042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:59:28,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14593 Valid, 12658 Invalid, 15042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7350 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2021-12-06 23:59:28,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17869 states. [2021-12-06 23:59:29,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17869 to 17869. [2021-12-06 23:59:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17869 states, 12282 states have (on average 1.2889594528578407) internal successors, (15831), 12628 states have internal predecessors, (15831), 4548 states have call successors, (4548), 965 states have call predecessors, (4548), 1025 states have return successors, (5300), 4485 states have call predecessors, (5300), 4546 states have call successors, (5300) [2021-12-06 23:59:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17869 states to 17869 states and 25679 transitions. [2021-12-06 23:59:29,084 INFO L78 Accepts]: Start accepts. Automaton has 17869 states and 25679 transitions. Word has length 132 [2021-12-06 23:59:29,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:59:29,084 INFO L470 AbstractCegarLoop]: Abstraction has 17869 states and 25679 transitions. [2021-12-06 23:59:29,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-06 23:59:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand 17869 states and 25679 transitions. [2021-12-06 23:59:29,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-06 23:59:29,086 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:59:29,086 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] [2021-12-06 23:59:29,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 23:59:29,086 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 26 more)] === [2021-12-06 23:59:29,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:59:29,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2084265525, now seen corresponding path program 1 times [2021-12-06 23:59:29,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:59:29,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362663876] [2021-12-06 23:59:29,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:59:29,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:59:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:59:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:59:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:59:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:59:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:59:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:59:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:59:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:59:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:59:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:59:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:59:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:59:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:59:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:59:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 23:59:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 23:59:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 23:59:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 23:59:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 23:59:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 23:59:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 23:59:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:59:29,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:59:29,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362663876] [2021-12-06 23:59:29,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362663876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:59:29,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:59:29,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:59:29,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504759573] [2021-12-06 23:59:29,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:59:29,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:59:29,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:59:29,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:59:29,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:59:29,490 INFO L87 Difference]: Start difference. First operand 17869 states and 25679 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-06 23:59:44,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:59:44,262 INFO L93 Difference]: Finished difference Result 17869 states and 25679 transitions. [2021-12-06 23:59:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:59:44,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 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 138 [2021-12-06 23:59:44,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:59:44,300 INFO L225 Difference]: With dead ends: 17869 [2021-12-06 23:59:44,300 INFO L226 Difference]: Without dead ends: 17867 [2021-12-06 23:59:44,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:59:44,306 INFO L933 BasicCegarLoop]: 7322 mSDtfsCounter, 14184 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7348 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14586 SdHoareTripleChecker+Valid, 12656 SdHoareTripleChecker+Invalid, 15040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:59:44,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14586 Valid, 12656 Invalid, 15040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7348 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2021-12-06 23:59:44,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17867 states. [2021-12-06 23:59:45,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17867 to 17867. [2021-12-06 23:59:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17867 states, 12281 states have (on average 1.288901555247944) internal successors, (15829), 12626 states have internal predecessors, (15829), 4548 states have call successors, (4548), 965 states have call predecessors, (4548), 1025 states have return successors, (5300), 4485 states have call predecessors, (5300), 4546 states have call successors, (5300) [2021-12-06 23:59:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17867 states to 17867 states and 25677 transitions. [2021-12-06 23:59:45,222 INFO L78 Accepts]: Start accepts. Automaton has 17867 states and 25677 transitions. Word has length 138 [2021-12-06 23:59:45,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:59:45,222 INFO L470 AbstractCegarLoop]: Abstraction has 17867 states and 25677 transitions. [2021-12-06 23:59:45,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-06 23:59:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 17867 states and 25677 transitions. [2021-12-06 23:59:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-12-06 23:59:45,224 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:59:45,224 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] [2021-12-06 23:59:45,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 23:59:45,225 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 26 more)] === [2021-12-06 23:59:45,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:59:45,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1336964352, now seen corresponding path program 1 times [2021-12-06 23:59:45,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:59:45,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470449146] [2021-12-06 23:59:45,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:59:45,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:59:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:59:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 23:59:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 23:59:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 23:59:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:59:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 23:59:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:59:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 23:59:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 23:59:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:59:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 23:59:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 23:59:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:59:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 23:59:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 23:59:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 23:59:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 23:59:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 23:59:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 23:59:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 23:59:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-06 23:59:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-06 23:59:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:59:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 23:59:45,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:59:45,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470449146] [2021-12-06 23:59:45,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470449146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:59:45,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:59:45,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:59:45,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214600691] [2021-12-06 23:59:45,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:59:45,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:59:45,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:59:45,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:59:45,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:59:45,656 INFO L87 Difference]: Start difference. First operand 17867 states and 25677 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 23:59:47,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:00:02,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:00:02,816 INFO L93 Difference]: Finished difference Result 17867 states and 25677 transitions. [2021-12-07 00:00:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:00:02,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 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 144 [2021-12-07 00:00:02,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:00:02,854 INFO L225 Difference]: With dead ends: 17867 [2021-12-07 00:00:02,854 INFO L226 Difference]: Without dead ends: 17865 [2021-12-07 00:00:02,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:00:02,858 INFO L933 BasicCegarLoop]: 7320 mSDtfsCounter, 14178 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7346 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14579 SdHoareTripleChecker+Valid, 12654 SdHoareTripleChecker+Invalid, 15038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:00:02,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14579 Valid, 12654 Invalid, 15038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7346 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2021-12-07 00:00:02,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17865 states. [2021-12-07 00:00:03,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17865 to 17865. [2021-12-07 00:00:03,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17865 states, 12280 states have (on average 1.288843648208469) internal successors, (15827), 12624 states have internal predecessors, (15827), 4548 states have call successors, (4548), 965 states have call predecessors, (4548), 1025 states have return successors, (5300), 4485 states have call predecessors, (5300), 4546 states have call successors, (5300) [2021-12-07 00:00:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17865 states to 17865 states and 25675 transitions. [2021-12-07 00:00:03,823 INFO L78 Accepts]: Start accepts. Automaton has 17865 states and 25675 transitions. Word has length 144 [2021-12-07 00:00:03,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:00:03,824 INFO L470 AbstractCegarLoop]: Abstraction has 17865 states and 25675 transitions. [2021-12-07 00:00:03,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 00:00:03,824 INFO L276 IsEmpty]: Start isEmpty. Operand 17865 states and 25675 transitions. [2021-12-07 00:00:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-07 00:00:03,826 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:00:03,826 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-07 00:00:03,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 00:00:03,826 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__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 26 more)] === [2021-12-07 00:00:03,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:00:03,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1327290053, now seen corresponding path program 1 times [2021-12-07 00:00:03,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:00:03,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376232538] [2021-12-07 00:00:03,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:00:03,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:00:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:00:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:00:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:00:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:00:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:00:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:00:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:00:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:00:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 00:00:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 00:00:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:00:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:00:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 00:00:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:00:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:00:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-07 00:00:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:00:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:00:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:00:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:00:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:00:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:00:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-07 00:00:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-07 00:00:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-07 00:00:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-07 00:00:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 00:00:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:00:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:00:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-12-07 00:00:04,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:00:04,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376232538] [2021-12-07 00:00:04,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376232538] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:00:04,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:00:04,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:00:04,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563542302] [2021-12-07 00:00:04,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:00:04,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:00:04,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:00:04,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:00:04,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:00:04,419 INFO L87 Difference]: Start difference. First operand 17865 states and 25675 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-07 00:00:07,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:00:09,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:00:11,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:00:25,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:01:00,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:00,856 INFO L93 Difference]: Finished difference Result 20772 states and 30772 transitions. [2021-12-07 00:01:00,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-07 00:01:00,856 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 192 [2021-12-07 00:01:00,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:00,905 INFO L225 Difference]: With dead ends: 20772 [2021-12-07 00:01:00,905 INFO L226 Difference]: Without dead ends: 20770 [2021-12-07 00:01:00,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-12-07 00:01:00,912 INFO L933 BasicCegarLoop]: 9456 mSDtfsCounter, 23413 mSDsluCounter, 13212 mSDsCounter, 0 mSdLazyCounter, 34213 mSolverCounterSat, 18749 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23481 SdHoareTripleChecker+Valid, 22668 SdHoareTripleChecker+Invalid, 52965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 18749 IncrementalHoareTripleChecker+Valid, 34213 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.7s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:00,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23481 Valid, 22668 Invalid, 52965 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [18749 Valid, 34213 Invalid, 3 Unknown, 0 Unchecked, 54.7s Time] [2021-12-07 00:01:00,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20770 states. [2021-12-07 00:01:01,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20770 to 19170. [2021-12-07 00:01:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19170 states, 13199 states have (on average 1.2893401015228427) internal successors, (17018), 13575 states have internal predecessors, (17018), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1128 states have return successors, (6011), 4865 states have call predecessors, (6011), 4829 states have call successors, (6011) [2021-12-07 00:01:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19170 states to 19170 states and 27860 transitions. [2021-12-07 00:01:02,037 INFO L78 Accepts]: Start accepts. Automaton has 19170 states and 27860 transitions. Word has length 192 [2021-12-07 00:01:02,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:02,038 INFO L470 AbstractCegarLoop]: Abstraction has 19170 states and 27860 transitions. [2021-12-07 00:01:02,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-07 00:01:02,038 INFO L276 IsEmpty]: Start isEmpty. Operand 19170 states and 27860 transitions. [2021-12-07 00:01:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-07 00:01:02,040 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:02,040 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] [2021-12-07 00:01:02,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 00:01:02,040 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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 26 more)] === [2021-12-07 00:01:02,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:02,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1317214665, now seen corresponding path program 1 times [2021-12-07 00:01:02,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:02,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001690991] [2021-12-07 00:01:02,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:02,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:01:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:01:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:01:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:01:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:01:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:01:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:01:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:01:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 00:01:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 00:01:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 00:01:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:01:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 00:01:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-07 00:01:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-07 00:01:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 00:01:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-07 00:01:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:01:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:01:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 00:01:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 00:01:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:01:02,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:02,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001690991] [2021-12-07 00:01:02,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001690991] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:02,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:02,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:01:02,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179325914] [2021-12-07 00:01:02,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:02,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:01:02,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:02,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:01:02,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:01:02,548 INFO L87 Difference]: Start difference. First operand 19170 states and 27860 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-07 00:01:05,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:01:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:21,165 INFO L93 Difference]: Finished difference Result 19170 states and 27860 transitions. [2021-12-07 00:01:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:01:21,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 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 150 [2021-12-07 00:01:21,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:21,208 INFO L225 Difference]: With dead ends: 19170 [2021-12-07 00:01:21,208 INFO L226 Difference]: Without dead ends: 19168 [2021-12-07 00:01:21,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:01:21,214 INFO L933 BasicCegarLoop]: 7318 mSDtfsCounter, 14172 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7343 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14572 SdHoareTripleChecker+Valid, 12652 SdHoareTripleChecker+Invalid, 15036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7343 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:21,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14572 Valid, 12652 Invalid, 15036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7343 Invalid, 1 Unknown, 0 Unchecked, 17.4s Time] [2021-12-07 00:01:21,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19168 states. [2021-12-07 00:01:22,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19168 to 19168. [2021-12-07 00:01:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19168 states, 13198 states have (on average 1.2892862554932565) internal successors, (17016), 13573 states have internal predecessors, (17016), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1128 states have return successors, (6011), 4865 states have call predecessors, (6011), 4829 states have call successors, (6011) [2021-12-07 00:01:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19168 states to 19168 states and 27858 transitions. [2021-12-07 00:01:22,362 INFO L78 Accepts]: Start accepts. Automaton has 19168 states and 27858 transitions. Word has length 150 [2021-12-07 00:01:22,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:22,362 INFO L470 AbstractCegarLoop]: Abstraction has 19168 states and 27858 transitions. [2021-12-07 00:01:22,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-07 00:01:22,362 INFO L276 IsEmpty]: Start isEmpty. Operand 19168 states and 27858 transitions. [2021-12-07 00:01:22,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-07 00:01:22,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:22,365 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] [2021-12-07 00:01:22,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 00:01:22,365 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 26 more)] === [2021-12-07 00:01:22,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:22,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1358635418, now seen corresponding path program 1 times [2021-12-07 00:01:22,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:22,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870774719] [2021-12-07 00:01:22,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:22,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:01:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:01:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:01:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:01:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:01:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:01:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:01:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:01:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 00:01:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 00:01:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 00:01:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:01:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 00:01:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-07 00:01:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-07 00:01:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 00:01:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-07 00:01:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:01:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:01:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 00:01:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 00:01:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:01:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:22,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:01:22,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:22,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870774719] [2021-12-07 00:01:22,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870774719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:22,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:22,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:01:22,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415354193] [2021-12-07 00:01:22,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:22,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:01:22,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:22,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:01:22,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:01:22,775 INFO L87 Difference]: Start difference. First operand 19168 states and 27858 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 00:01:25,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:01:40,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:01:40,773 INFO L93 Difference]: Finished difference Result 19168 states and 27858 transitions. [2021-12-07 00:01:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:01:40,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 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 156 [2021-12-07 00:01:40,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:01:40,814 INFO L225 Difference]: With dead ends: 19168 [2021-12-07 00:01:40,814 INFO L226 Difference]: Without dead ends: 19166 [2021-12-07 00:01:40,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:01:40,820 INFO L933 BasicCegarLoop]: 7316 mSDtfsCounter, 14166 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7341 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14565 SdHoareTripleChecker+Valid, 12650 SdHoareTripleChecker+Invalid, 15034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-12-07 00:01:40,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14565 Valid, 12650 Invalid, 15034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7341 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2021-12-07 00:01:40,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19166 states. [2021-12-07 00:01:41,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19166 to 19166. [2021-12-07 00:01:41,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19166 states, 13197 states have (on average 1.2892324013033265) internal successors, (17014), 13571 states have internal predecessors, (17014), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1128 states have return successors, (6011), 4865 states have call predecessors, (6011), 4829 states have call successors, (6011) [2021-12-07 00:01:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19166 states to 19166 states and 27856 transitions. [2021-12-07 00:01:42,006 INFO L78 Accepts]: Start accepts. Automaton has 19166 states and 27856 transitions. Word has length 156 [2021-12-07 00:01:42,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:01:42,006 INFO L470 AbstractCegarLoop]: Abstraction has 19166 states and 27856 transitions. [2021-12-07 00:01:42,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 00:01:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 19166 states and 27856 transitions. [2021-12-07 00:01:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-07 00:01:42,009 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:01:42,009 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2021-12-07 00:01:42,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 00:01:42,009 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting musb_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-07 00:01:42,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:01:42,009 INFO L85 PathProgramCache]: Analyzing trace with hash 770432976, now seen corresponding path program 1 times [2021-12-07 00:01:42,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:01:42,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313038349] [2021-12-07 00:01:42,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:01:42,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:01:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:01:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:01:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:01:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 00:01:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:01:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:01:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 00:01:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:01:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:01:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 00:01:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 00:01:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-07 00:01:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 00:01:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:01:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 00:01:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-07 00:01:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-07 00:01:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:01:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 00:01:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 00:01:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-07 00:01:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:01:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-12-07 00:01:42,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:01:42,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313038349] [2021-12-07 00:01:42,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313038349] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:01:42,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:01:42,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:01:42,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909319687] [2021-12-07 00:01:42,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:01:42,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:01:42,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:01:42,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:01:42,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:01:42,713 INFO L87 Difference]: Start difference. First operand 19166 states and 27856 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 00:01:47,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:01:49,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:02:20,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:02:20,066 INFO L93 Difference]: Finished difference Result 39567 states and 59518 transitions. [2021-12-07 00:02:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:02:20,067 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 177 [2021-12-07 00:02:20,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:02:20,132 INFO L225 Difference]: With dead ends: 39567 [2021-12-07 00:02:20,132 INFO L226 Difference]: Without dead ends: 20420 [2021-12-07 00:02:20,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-12-07 00:02:20,185 INFO L933 BasicCegarLoop]: 7143 mSDtfsCounter, 11141 mSDsluCounter, 9741 mSDsCounter, 0 mSdLazyCounter, 18310 mSolverCounterSat, 9802 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11141 SdHoareTripleChecker+Valid, 16884 SdHoareTripleChecker+Invalid, 28114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9802 IncrementalHoareTripleChecker+Valid, 18310 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:02:20,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11141 Valid, 16884 Invalid, 28114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9802 Valid, 18310 Invalid, 2 Unknown, 0 Unchecked, 35.6s Time] [2021-12-07 00:02:20,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20420 states. [2021-12-07 00:02:21,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20420 to 19180. [2021-12-07 00:02:21,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19180 states, 13209 states have (on average 1.2889696419108183) internal successors, (17026), 13585 states have internal predecessors, (17026), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1130 states have return successors, (6013), 4865 states have call predecessors, (6013), 4829 states have call successors, (6013) [2021-12-07 00:02:21,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19180 states to 19180 states and 27870 transitions. [2021-12-07 00:02:21,491 INFO L78 Accepts]: Start accepts. Automaton has 19180 states and 27870 transitions. Word has length 177 [2021-12-07 00:02:21,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:02:21,491 INFO L470 AbstractCegarLoop]: Abstraction has 19180 states and 27870 transitions. [2021-12-07 00:02:21,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 00:02:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 19180 states and 27870 transitions. [2021-12-07 00:02:21,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-07 00:02:21,494 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:02:21,494 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] [2021-12-07 00:02:21,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-07 00:02:21,494 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 26 more)] === [2021-12-07 00:02:21,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:02:21,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1886482122, now seen corresponding path program 1 times [2021-12-07 00:02:21,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:02:21,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360011670] [2021-12-07 00:02:21,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:02:21,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:02:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:02:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:02:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:02:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:02:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:02:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:02:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:02:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:02:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 00:02:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 00:02:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 00:02:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:02:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 00:02:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-07 00:02:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-07 00:02:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:02:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 00:02:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-07 00:02:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:02:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:02:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 00:02:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 00:02:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:02:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 00:02:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:02:21,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:02:21,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360011670] [2021-12-07 00:02:21,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360011670] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:02:21,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:02:21,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:02:21,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020217456] [2021-12-07 00:02:21,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:02:21,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:02:21,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:02:21,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:02:21,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:02:21,937 INFO L87 Difference]: Start difference. First operand 19180 states and 27870 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-07 00:02:39,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:02:39,256 INFO L93 Difference]: Finished difference Result 19180 states and 27870 transitions. [2021-12-07 00:02:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:02:39,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 162 [2021-12-07 00:02:39,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:02:39,303 INFO L225 Difference]: With dead ends: 19180 [2021-12-07 00:02:39,303 INFO L226 Difference]: Without dead ends: 19178 [2021-12-07 00:02:39,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:02:39,310 INFO L933 BasicCegarLoop]: 7314 mSDtfsCounter, 14160 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7340 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14558 SdHoareTripleChecker+Valid, 12648 SdHoareTripleChecker+Invalid, 15032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:02:39,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14558 Valid, 12648 Invalid, 15032 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7340 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2021-12-07 00:02:39,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19178 states. [2021-12-07 00:02:40,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19178 to 19178. [2021-12-07 00:02:40,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19178 states, 13208 states have (on average 1.2889158086008479) internal successors, (17024), 13583 states have internal predecessors, (17024), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1130 states have return successors, (6013), 4865 states have call predecessors, (6013), 4829 states have call successors, (6013) [2021-12-07 00:02:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19178 states to 19178 states and 27868 transitions. [2021-12-07 00:02:40,540 INFO L78 Accepts]: Start accepts. Automaton has 19178 states and 27868 transitions. Word has length 162 [2021-12-07 00:02:40,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:02:40,540 INFO L470 AbstractCegarLoop]: Abstraction has 19178 states and 27868 transitions. [2021-12-07 00:02:40,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-07 00:02:40,540 INFO L276 IsEmpty]: Start isEmpty. Operand 19178 states and 27868 transitions. [2021-12-07 00:02:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-07 00:02:40,543 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:02:40,543 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] [2021-12-07 00:02:40,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 00:02:40,543 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_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 26 more)] === [2021-12-07 00:02:40,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:02:40,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1650500194, now seen corresponding path program 1 times [2021-12-07 00:02:40,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:02:40,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986014090] [2021-12-07 00:02:40,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:02:40,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:02:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:02:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:02:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:02:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:02:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:02:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:02:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:02:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:02:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:02:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 00:02:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 00:02:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 00:02:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:02:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 00:02:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-07 00:02:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-07 00:02:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:02:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 00:02:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-07 00:02:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:02:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:02:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 00:02:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 00:02:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:02:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 00:02:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-07 00:02:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:02:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:02:40,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:02:40,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986014090] [2021-12-07 00:02:40,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986014090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:02:40,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:02:40,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:02:40,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974978327] [2021-12-07 00:02:40,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:02:40,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:02:40,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:02:40,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:02:40,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:02:40,986 INFO L87 Difference]: Start difference. First operand 19178 states and 27868 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 00:02:44,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:03:00,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:03:00,287 INFO L93 Difference]: Finished difference Result 19178 states and 27868 transitions. [2021-12-07 00:03:00,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:03:00,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2021-12-07 00:03:00,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:03:00,337 INFO L225 Difference]: With dead ends: 19178 [2021-12-07 00:03:00,337 INFO L226 Difference]: Without dead ends: 19176 [2021-12-07 00:03:00,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:03:00,344 INFO L933 BasicCegarLoop]: 7312 mSDtfsCounter, 14154 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7337 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14551 SdHoareTripleChecker+Valid, 12646 SdHoareTripleChecker+Invalid, 15030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7337 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:03:00,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14551 Valid, 12646 Invalid, 15030 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7337 Invalid, 1 Unknown, 0 Unchecked, 18.0s Time] [2021-12-07 00:03:00,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19176 states. [2021-12-07 00:03:01,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19176 to 19176. [2021-12-07 00:03:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19176 states, 13207 states have (on average 1.2888619671386385) internal successors, (17022), 13581 states have internal predecessors, (17022), 4831 states have call successors, (4831), 965 states have call predecessors, (4831), 1130 states have return successors, (6013), 4865 states have call predecessors, (6013), 4829 states have call successors, (6013) [2021-12-07 00:03:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19176 states to 19176 states and 27866 transitions. [2021-12-07 00:03:01,581 INFO L78 Accepts]: Start accepts. Automaton has 19176 states and 27866 transitions. Word has length 168 [2021-12-07 00:03:01,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:03:01,581 INFO L470 AbstractCegarLoop]: Abstraction has 19176 states and 27866 transitions. [2021-12-07 00:03:01,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 00:03:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 19176 states and 27866 transitions. [2021-12-07 00:03:01,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-07 00:03:01,585 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:03:01,585 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:03:01,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 00:03:01,585 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__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 26 more)] === [2021-12-07 00:03:01,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:03:01,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1514043340, now seen corresponding path program 1 times [2021-12-07 00:03:01,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:03:01,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206773390] [2021-12-07 00:03:01,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:03:01,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:03:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:03:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:03:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:03:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 00:03:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:03:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:03:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:03:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 00:03:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:03:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:03:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:03:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 00:03:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 00:03:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-07 00:03:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 00:03:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:03:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:03:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:03:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:03:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-07 00:03:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-07 00:03:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-07 00:03:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-07 00:03:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 00:03:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:03:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-07 00:03:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-07 00:03:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 00:03:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-07 00:03:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-07 00:03:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-07 00:03:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 00:03:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:03:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-12-07 00:03:03,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:03:03,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206773390] [2021-12-07 00:03:03,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206773390] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:03:03,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567068011] [2021-12-07 00:03:03,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:03:03,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:03:03,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:03:03,451 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:03:03,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 00:03:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:04,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 9175 conjuncts, 34 conjunts are in the unsatisfiable core [2021-12-07 00:03:04,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:03:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-07 00:03:05,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:03:05,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567068011] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:03:05,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:03:05,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [20] total 26 [2021-12-07 00:03:05,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961348176] [2021-12-07 00:03:05,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:03:05,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:03:05,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:03:05,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:03:05,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2021-12-07 00:03:05,183 INFO L87 Difference]: Start difference. First operand 19176 states and 27866 transitions. Second operand has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-07 00:03:07,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:03:14,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:03:14,830 INFO L93 Difference]: Finished difference Result 38361 states and 56657 transitions. [2021-12-07 00:03:14,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:03:14,830 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 212 [2021-12-07 00:03:14,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:03:14,882 INFO L225 Difference]: With dead ends: 38361 [2021-12-07 00:03:14,882 INFO L226 Difference]: Without dead ends: 19196 [2021-12-07 00:03:14,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2021-12-07 00:03:14,926 INFO L933 BasicCegarLoop]: 8448 mSDtfsCounter, 2 mSDsluCounter, 14845 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23293 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1038 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:03:14,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 23293 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 0 Unknown, 1038 Unchecked, 8.3s Time] [2021-12-07 00:03:14,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19196 states. [2021-12-07 00:03:16,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19196 to 19196. [2021-12-07 00:03:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19196 states, 13219 states have (on average 1.2885997427944624) internal successors, (17034), 13593 states have internal predecessors, (17034), 4835 states have call successors, (4835), 969 states have call predecessors, (4835), 1134 states have return successors, (6033), 4869 states have call predecessors, (6033), 4833 states have call successors, (6033) [2021-12-07 00:03:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19196 states to 19196 states and 27902 transitions. [2021-12-07 00:03:16,209 INFO L78 Accepts]: Start accepts. Automaton has 19196 states and 27902 transitions. Word has length 212 [2021-12-07 00:03:16,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:03:16,209 INFO L470 AbstractCegarLoop]: Abstraction has 19196 states and 27902 transitions. [2021-12-07 00:03:16,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-07 00:03:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 19196 states and 27902 transitions. [2021-12-07 00:03:16,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-07 00:03:16,213 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:03:16,213 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:03:16,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 00:03:16,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:03:16,415 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__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 26 more)] === [2021-12-07 00:03:16,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:03:16,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1316188124, now seen corresponding path program 1 times [2021-12-07 00:03:16,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:03:16,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764715770] [2021-12-07 00:03:16,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:03:16,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:03:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:03:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:03:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:03:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 00:03:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:03:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:03:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:03:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 00:03:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:03:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:03:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:03:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 00:03:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 00:03:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-07 00:03:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 00:03:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:03:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:03:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:03:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:03:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-07 00:03:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-07 00:03:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-07 00:03:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:03:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-07 00:03:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-07 00:03:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 00:03:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-07 00:03:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-07 00:03:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-07 00:03:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 00:03:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-12-07 00:03:17,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:03:17,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764715770] [2021-12-07 00:03:17,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764715770] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:03:17,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680525471] [2021-12-07 00:03:17,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:03:17,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:03:17,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:03:17,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:03:17,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 00:03:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:19,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 9067 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-07 00:03:19,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:03:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-12-07 00:03:19,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:03:19,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680525471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:03:19,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:03:19,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [20] total 22 [2021-12-07 00:03:19,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014897737] [2021-12-07 00:03:19,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:03:19,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-07 00:03:19,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:03:19,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-07 00:03:19,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2021-12-07 00:03:19,495 INFO L87 Difference]: Start difference. First operand 19196 states and 27902 transitions. Second operand has 15 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 6 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) [2021-12-07 00:03:22,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:03:22,821 INFO L93 Difference]: Finished difference Result 39290 states and 57290 transitions. [2021-12-07 00:03:22,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 00:03:22,821 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 6 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) Word has length 194 [2021-12-07 00:03:22,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:03:22,886 INFO L225 Difference]: With dead ends: 39290 [2021-12-07 00:03:22,886 INFO L226 Difference]: Without dead ends: 21510 [2021-12-07 00:03:22,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=866, Unknown=0, NotChecked=0, Total=992 [2021-12-07 00:03:22,928 INFO L933 BasicCegarLoop]: 10111 mSDtfsCounter, 5760 mSDsluCounter, 123434 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 2315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5760 SdHoareTripleChecker+Valid, 133545 SdHoareTripleChecker+Invalid, 3272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2315 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:03:22,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5760 Valid, 133545 Invalid, 3272 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2315 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-07 00:03:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21510 states. [2021-12-07 00:03:24,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21510 to 19230. [2021-12-07 00:03:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19230 states, 13243 states have (on average 1.2880767197764857) internal successors, (17058), 13617 states have internal predecessors, (17058), 4843 states have call successors, (4843), 969 states have call predecessors, (4843), 1136 states have return successors, (6045), 4879 states have call predecessors, (6045), 4841 states have call successors, (6045) [2021-12-07 00:03:24,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19230 states to 19230 states and 27946 transitions. [2021-12-07 00:03:24,551 INFO L78 Accepts]: Start accepts. Automaton has 19230 states and 27946 transitions. Word has length 194 [2021-12-07 00:03:24,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:03:24,551 INFO L470 AbstractCegarLoop]: Abstraction has 19230 states and 27946 transitions. [2021-12-07 00:03:24,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 6 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) [2021-12-07 00:03:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 19230 states and 27946 transitions. [2021-12-07 00:03:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-07 00:03:24,553 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:03:24,553 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, 1, 1, 1, 1, 1, 1] [2021-12-07 00:03:24,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 00:03:24,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5f6bdb-feca-4f87-8941-626091c0bca4/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:03:24,755 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_gadget_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 26 more)] === [2021-12-07 00:03:24,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:03:24,756 INFO L85 PathProgramCache]: Analyzing trace with hash -76406922, now seen corresponding path program 1 times [2021-12-07 00:03:24,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:03:24,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393622892] [2021-12-07 00:03:24,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:03:24,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:03:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:03:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:03:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:03:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:03:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:03:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:03:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:03:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:03:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:03:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 00:03:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 00:03:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 00:03:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:03:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 00:03:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-07 00:03:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-07 00:03:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:03:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 00:03:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-07 00:03:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:03:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:03:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 00:03:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 00:03:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:03:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 00:03:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-07 00:03:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-07 00:03:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:03:25,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:03:25,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393622892] [2021-12-07 00:03:25,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393622892] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:03:25,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:03:25,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:03:25,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614793474] [2021-12-07 00:03:25,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:03:25,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:03:25,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:03:25,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:03:25,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:03:25,227 INFO L87 Difference]: Start difference. First operand 19230 states and 27946 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 00:03:43,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:03:43,644 INFO L93 Difference]: Finished difference Result 19230 states and 27946 transitions. [2021-12-07 00:03:43,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:03:43,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2021-12-07 00:03:43,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:03:43,685 INFO L225 Difference]: With dead ends: 19230 [2021-12-07 00:03:43,686 INFO L226 Difference]: Without dead ends: 19228 [2021-12-07 00:03:43,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:03:43,691 INFO L933 BasicCegarLoop]: 7310 mSDtfsCounter, 14148 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7336 mSolverCounterSat, 7692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14544 SdHoareTripleChecker+Valid, 12644 SdHoareTripleChecker+Invalid, 15028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-12-07 00:03:43,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14544 Valid, 12644 Invalid, 15028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7336 Invalid, 0 Unknown, 0 Unchecked, 16.9s Time] [2021-12-07 00:03:43,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19228 states. [2021-12-07 00:03:45,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19228 to 19228. [2021-12-07 00:03:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19228 states, 13242 states have (on average 1.288022957257212) internal successors, (17056), 13615 states have internal predecessors, (17056), 4843 states have call successors, (4843), 969 states have call predecessors, (4843), 1136 states have return successors, (6045), 4879 states have call predecessors, (6045), 4841 states have call successors, (6045) [2021-12-07 00:03:45,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19228 states to 19228 states and 27944 transitions. [2021-12-07 00:03:45,075 INFO L78 Accepts]: Start accepts. Automaton has 19228 states and 27944 transitions. Word has length 174 [2021-12-07 00:03:45,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:03:45,075 INFO L470 AbstractCegarLoop]: Abstraction has 19228 states and 27944 transitions. [2021-12-07 00:03:45,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 00:03:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 19228 states and 27944 transitions. [2021-12-07 00:03:45,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-07 00:03:45,077 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:03:45,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:03:45,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-07 00:03:45,077 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_urb_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 26 more)] === [2021-12-07 00:03:45,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:03:45,078 INFO L85 PathProgramCache]: Analyzing trace with hash 632351726, now seen corresponding path program 1 times [2021-12-07 00:03:45,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:03:45,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861057593] [2021-12-07 00:03:45,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:03:45,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:03:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:03:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:03:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:03:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:03:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:03:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:03:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:03:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:03:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:03:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 00:03:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 00:03:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 00:03:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:03:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-07 00:03:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-07 00:03:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-07 00:03:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:03:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 00:03:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-07 00:03:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-07 00:03:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:03:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 00:03:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 00:03:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:03:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 00:03:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-07 00:03:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-07 00:03:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:03:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:03:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-07 00:03:45,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:03:45,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861057593] [2021-12-07 00:03:45,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861057593] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:03:45,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:03:45,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:03:45,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145736287] [2021-12-07 00:03:45,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:03:45,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:03:45,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:03:45,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:03:45,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:03:45,499 INFO L87 Difference]: Start difference. First operand 19228 states and 27944 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-07 00:03:48,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:04:06,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:04:06,025 INFO L93 Difference]: Finished difference Result 19228 states and 27944 transitions. [2021-12-07 00:04:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:04:06,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2021-12-07 00:04:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:04:06,070 INFO L225 Difference]: With dead ends: 19228 [2021-12-07 00:04:06,070 INFO L226 Difference]: Without dead ends: 19067 [2021-12-07 00:04:06,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:04:06,076 INFO L933 BasicCegarLoop]: 7309 mSDtfsCounter, 14139 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 7335 mSolverCounterSat, 7692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14534 SdHoareTripleChecker+Valid, 12643 SdHoareTripleChecker+Invalid, 15028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7692 IncrementalHoareTripleChecker+Valid, 7335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:04:06,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14534 Valid, 12643 Invalid, 15028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7692 Valid, 7335 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2021-12-07 00:04:06,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19067 states. [2021-12-07 00:04:07,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19067 to 19067. [2021-12-07 00:04:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19067 states, 13143 states have (on average 1.2898881533896371) internal successors, (16953), 13513 states have internal predecessors, (16953), 4802 states have call successors, (4802), 949 states have call predecessors, (4802), 1116 states have return successors, (6004), 4840 states have call predecessors, (6004), 4800 states have call successors, (6004) [2021-12-07 00:04:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19067 states to 19067 states and 27759 transitions. [2021-12-07 00:04:07,459 INFO L78 Accepts]: Start accepts. Automaton has 19067 states and 27759 transitions. Word has length 180 [2021-12-07 00:04:07,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:04:07,459 INFO L470 AbstractCegarLoop]: Abstraction has 19067 states and 27759 transitions. [2021-12-07 00:04:07,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-07 00:04:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 19067 states and 27759 transitions. [2021-12-07 00:04:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-07 00:04:07,461 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:04:07,461 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-07 00:04:07,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-07 00:04:07,462 INFO L402 AbstractCegarLoop]: === Iteration 29 === 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 26 more)] === [2021-12-07 00:04:07,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:04:07,462 INFO L85 PathProgramCache]: Analyzing trace with hash 2000930706, now seen corresponding path program 1 times [2021-12-07 00:04:07,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:04:07,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982942055] [2021-12-07 00:04:07,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:04:07,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:04:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:04:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:04:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:04:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:04:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:04:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:04:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:04:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:04:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:04:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 00:04:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 00:04:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:04:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:04:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:04:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 00:04:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:04:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:04:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:04:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-07 00:04:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:04:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:04:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:04:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:04:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:04:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:04:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:04:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-07 00:04:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-07 00:04:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 00:04:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:04:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:04:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 00:04:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-07 00:04:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-07 00:04:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 00:04:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-07 00:04:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:04:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:04:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-12-07 00:04:08,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:04:08,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982942055] [2021-12-07 00:04:08,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982942055] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:04:08,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:04:08,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 00:04:08,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392203496] [2021-12-07 00:04:08,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:04:08,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 00:04:08,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:04:08,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 00:04:08,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:04:08,041 INFO L87 Difference]: Start difference. First operand 19067 states and 27759 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 00:04:12,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:04:14,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:05:04,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:05:31,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:05:31,321 INFO L93 Difference]: Finished difference Result 56186 states and 86340 transitions. [2021-12-07 00:05:31,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 00:05:31,322 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 231 [2021-12-07 00:05:31,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:05:31,432 INFO L225 Difference]: With dead ends: 56186 [2021-12-07 00:05:31,432 INFO L226 Difference]: Without dead ends: 37138 [2021-12-07 00:05:31,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-12-07 00:05:31,496 INFO L933 BasicCegarLoop]: 7036 mSDtfsCounter, 24878 mSDsluCounter, 12886 mSDsCounter, 0 mSdLazyCounter, 42418 mSolverCounterSat, 17096 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25217 SdHoareTripleChecker+Valid, 19922 SdHoareTripleChecker+Invalid, 59516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 17096 IncrementalHoareTripleChecker+Valid, 42418 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.6s IncrementalHoareTripleChecker+Time [2021-12-07 00:05:31,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25217 Valid, 19922 Invalid, 59516 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [17096 Valid, 42418 Invalid, 2 Unknown, 0 Unchecked, 79.6s Time] [2021-12-07 00:05:31,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37138 states. [2021-12-07 00:05:33,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37138 to 35058. [2021-12-07 00:05:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35058 states, 24199 states have (on average 1.2888962353816273) internal successors, (31190), 24840 states have internal predecessors, (31190), 8633 states have call successors, (8633), 1819 states have call predecessors, (8633), 2220 states have return successors, (12369), 8781 states have call predecessors, (12369), 8631 states have call successors, (12369) [2021-12-07 00:05:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35058 states to 35058 states and 52192 transitions. [2021-12-07 00:05:34,183 INFO L78 Accepts]: Start accepts. Automaton has 35058 states and 52192 transitions. Word has length 231 [2021-12-07 00:05:34,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:05:34,183 INFO L470 AbstractCegarLoop]: Abstraction has 35058 states and 52192 transitions. [2021-12-07 00:05:34,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 00:05:34,184 INFO L276 IsEmpty]: Start isEmpty. Operand 35058 states and 52192 transitions. [2021-12-07 00:05:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-07 00:05:34,186 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:05:34,186 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-07 00:05:34,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-07 00:05:34,186 INFO L402 AbstractCegarLoop]: === Iteration 30 === 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 26 more)] === [2021-12-07 00:05:34,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:05:34,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2000990288, now seen corresponding path program 1 times [2021-12-07 00:05:34,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:05:34,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965664963] [2021-12-07 00:05:34,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:05:34,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:05:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:05:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:05:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:05:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:05:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:05:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:05:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:05:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:05:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:05:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 00:05:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 00:05:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:05:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:05:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:05:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 00:05:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:05:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:05:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:05:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-07 00:05:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:05:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:05:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:05:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:05:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:05:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:05:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:05:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-07 00:05:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-07 00:05:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 00:05:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:05:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:05:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 00:05:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-07 00:05:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-07 00:05:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 00:05:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-07 00:05:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:05:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:05:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-12-07 00:05:34,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:05:34,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965664963] [2021-12-07 00:05:34,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965664963] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:05:34,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:05:34,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:05:34,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052446649] [2021-12-07 00:05:34,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:05:34,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:05:34,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:05:34,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:05:34,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:05:34,654 INFO L87 Difference]: Start difference. First operand 35058 states and 52192 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-07 00:05:38,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:05:40,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:06:25,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:06:25,779 INFO L93 Difference]: Finished difference Result 37108 states and 55882 transitions. [2021-12-07 00:06:25,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 00:06:25,780 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 231 [2021-12-07 00:06:25,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:06:25,888 INFO L225 Difference]: With dead ends: 37108 [2021-12-07 00:06:25,888 INFO L226 Difference]: Without dead ends: 37106 [2021-12-07 00:06:25,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-12-07 00:06:25,901 INFO L933 BasicCegarLoop]: 7033 mSDtfsCounter, 9969 mSDsluCounter, 10653 mSDsCounter, 0 mSdLazyCounter, 22426 mSolverCounterSat, 7947 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9969 SdHoareTripleChecker+Valid, 17686 SdHoareTripleChecker+Invalid, 30374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7947 IncrementalHoareTripleChecker+Valid, 22426 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:06:25,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9969 Valid, 17686 Invalid, 30374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7947 Valid, 22426 Invalid, 1 Unknown, 0 Unchecked, 48.3s Time] [2021-12-07 00:06:25,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37106 states. [2021-12-07 00:06:28,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37106 to 35066. [2021-12-07 00:06:28,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35066 states, 24207 states have (on average 1.2886355186516296) internal successors, (31194), 24848 states have internal predecessors, (31194), 8633 states have call successors, (8633), 1819 states have call predecessors, (8633), 2220 states have return successors, (12369), 8781 states have call predecessors, (12369), 8631 states have call successors, (12369) [2021-12-07 00:06:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35066 states to 35066 states and 52196 transitions. [2021-12-07 00:06:28,573 INFO L78 Accepts]: Start accepts. Automaton has 35066 states and 52196 transitions. Word has length 231 [2021-12-07 00:06:28,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:06:28,573 INFO L470 AbstractCegarLoop]: Abstraction has 35066 states and 52196 transitions. [2021-12-07 00:06:28,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-07 00:06:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 35066 states and 52196 transitions. [2021-12-07 00:06:28,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-07 00:06:28,576 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:06:28,576 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-07 00:06:28,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-07 00:06:28,576 INFO L402 AbstractCegarLoop]: === Iteration 31 === 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 26 more)] === [2021-12-07 00:06:28,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:06:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash -60689194, now seen corresponding path program 1 times [2021-12-07 00:06:28,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:06:28,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232533190] [2021-12-07 00:06:28,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:06:28,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:06:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:06:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-07 00:06:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 00:06:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-07 00:06:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 00:06:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:06:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:06:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:06:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 00:06:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 00:06:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:06:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:06:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 00:06:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:06:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:06:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-07 00:06:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:06:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:06:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-07 00:06:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 00:06:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:06:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-07 00:06:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-07 00:06:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 00:06:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:06:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 00:06:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-07 00:06:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-07 00:06:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 00:06:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-07 00:06:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:06:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:06:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-12-07 00:06:29,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:06:29,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232533190] [2021-12-07 00:06:29,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232533190] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:06:29,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:06:29,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:06:29,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632607559] [2021-12-07 00:06:29,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:06:29,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:06:29,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:06:29,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:06:29,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:06:29,140 INFO L87 Difference]: Start difference. First operand 35066 states and 52196 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)