./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--char--ipmi--ipmi_msghandler.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF --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 1b79bc3bed5bfb059718e76e7116aac9b8952405f0b578f08aab2c60e1303883 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:21:23,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:21:23,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:21:23,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:21:23,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:21:23,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:21:23,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:21:23,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:21:23,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:21:23,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:21:23,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:21:23,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:21:23,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:21:23,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:21:23,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:21:23,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:21:23,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:21:23,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:21:23,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:21:23,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:21:23,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:21:23,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:21:23,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:21:23,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:21:23,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:21:23,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:21:23,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:21:23,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:21:23,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:21:23,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:21:23,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:21:23,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:21:23,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:21:23,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:21:23,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:21:23,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:21:23,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:21:23,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:21:23,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:21:23,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:21:23,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:21:23,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:21:23,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:21:23,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:21:23,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:21:23,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:21:23,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:21:23,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:21:23,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:21:23,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:21:23,794 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:21:23,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:21:23,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:21:23,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:21:23,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:21:23,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:21:23,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:21:23,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:21:23,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:21:23,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:21:23,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:21:23,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:21:23,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:21:23,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:21:23,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:21:23,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:21:23,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:21:23,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:21:23,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:21:23,800 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:21:23,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:21:23,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:21:23,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:21:23,801 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_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b79bc3bed5bfb059718e76e7116aac9b8952405f0b578f08aab2c60e1303883 [2021-11-20 07:21:24,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:21:24,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:21:24,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:21:24,163 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:21:24,163 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:21:24,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-20 07:21:24,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/data/92a35a2bb/93a3ff55f20643d8883ab03f287eece9/FLAG12f30146e [2021-11-20 07:21:25,261 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:21:25,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-20 07:21:25,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/data/92a35a2bb/93a3ff55f20643d8883ab03f287eece9/FLAG12f30146e [2021-11-20 07:21:25,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/data/92a35a2bb/93a3ff55f20643d8883ab03f287eece9 [2021-11-20 07:21:25,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:21:25,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:21:25,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:21:25,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:21:25,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:21:25,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:21:25" (1/1) ... [2021-11-20 07:21:25,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c38f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:25, skipping insertion in model container [2021-11-20 07:21:25,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:21:25" (1/1) ... [2021-11-20 07:21:25,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:21:25,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:21:31,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489067,489080] [2021-11-20 07:21:31,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489212,489225] [2021-11-20 07:21:31,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489358,489371] [2021-11-20 07:21:31,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489523,489536] [2021-11-20 07:21:31,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489681,489694] [2021-11-20 07:21:31,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489839,489852] [2021-11-20 07:21:31,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489997,490010] [2021-11-20 07:21:31,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490157,490170] [2021-11-20 07:21:31,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490316,490329] [2021-11-20 07:21:31,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490455,490468] [2021-11-20 07:21:31,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490597,490610] [2021-11-20 07:21:31,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490746,490759] [2021-11-20 07:21:31,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490885,490898] [2021-11-20 07:21:31,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491040,491053] [2021-11-20 07:21:31,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491200,491213] [2021-11-20 07:21:31,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491351,491364] [2021-11-20 07:21:31,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491502,491515] [2021-11-20 07:21:31,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491654,491667] [2021-11-20 07:21:31,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491803,491816] [2021-11-20 07:21:31,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491951,491964] [2021-11-20 07:21:31,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492108,492121] [2021-11-20 07:21:31,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492257,492270] [2021-11-20 07:21:31,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492413,492426] [2021-11-20 07:21:31,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492566,492579] [2021-11-20 07:21:31,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492712,492725] [2021-11-20 07:21:31,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492855,492868] [2021-11-20 07:21:31,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493007,493020] [2021-11-20 07:21:31,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493153,493166] [2021-11-20 07:21:31,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493298,493311] [2021-11-20 07:21:31,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493452,493465] [2021-11-20 07:21:31,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493603,493616] [2021-11-20 07:21:31,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493758,493771] [2021-11-20 07:21:31,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493910,493923] [2021-11-20 07:21:31,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494065,494078] [2021-11-20 07:21:31,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494229,494242] [2021-11-20 07:21:31,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494385,494398] [2021-11-20 07:21:31,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494549,494562] [2021-11-20 07:21:31,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494691,494704] [2021-11-20 07:21:31,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494849,494862] [2021-11-20 07:21:31,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495016,495029] [2021-11-20 07:21:31,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495175,495188] [2021-11-20 07:21:31,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495334,495347] [2021-11-20 07:21:31,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495483,495496] [2021-11-20 07:21:31,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495630,495643] [2021-11-20 07:21:31,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495769,495782] [2021-11-20 07:21:31,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495932,495945] [2021-11-20 07:21:31,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496098,496111] [2021-11-20 07:21:31,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496262,496275] [2021-11-20 07:21:31,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496427,496440] [2021-11-20 07:21:31,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496592,496605] [2021-11-20 07:21:31,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496758,496771] [2021-11-20 07:21:31,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496923,496936] [2021-11-20 07:21:31,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497090,497103] [2021-11-20 07:21:31,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497250,497263] [2021-11-20 07:21:31,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497412,497425] [2021-11-20 07:21:31,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497571,497584] [2021-11-20 07:21:31,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497717,497730] [2021-11-20 07:21:31,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497860,497873] [2021-11-20 07:21:31,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498004,498017] [2021-11-20 07:21:31,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498147,498160] [2021-11-20 07:21:31,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498291,498304] [2021-11-20 07:21:31,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498432,498445] [2021-11-20 07:21:31,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498570,498583] [2021-11-20 07:21:31,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498728,498741] [2021-11-20 07:21:31,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498887,498900] [2021-11-20 07:21:31,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499043,499056] [2021-11-20 07:21:31,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499192,499205] [2021-11-20 07:21:31,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499344,499357] [2021-11-20 07:21:31,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499495,499508] [2021-11-20 07:21:31,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499644,499657] [2021-11-20 07:21:31,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499796,499809] [2021-11-20 07:21:31,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499944,499957] [2021-11-20 07:21:31,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500097,500110] [2021-11-20 07:21:31,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500248,500261] [2021-11-20 07:21:31,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500398,500411] [2021-11-20 07:21:31,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500545,500558] [2021-11-20 07:21:31,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500696,500709] [2021-11-20 07:21:31,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500847,500860] [2021-11-20 07:21:31,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500995,501008] [2021-11-20 07:21:31,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501161,501174] [2021-11-20 07:21:31,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501330,501343] [2021-11-20 07:21:31,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501497,501510] [2021-11-20 07:21:31,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501665,501678] [2021-11-20 07:21:31,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501815,501828] [2021-11-20 07:21:31,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501962,501975] [2021-11-20 07:21:31,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502123,502136] [2021-11-20 07:21:31,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502293,502306] [2021-11-20 07:21:31,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502455,502468] [2021-11-20 07:21:31,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:21:31,738 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:21:32,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489067,489080] [2021-11-20 07:21:32,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489212,489225] [2021-11-20 07:21:32,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489358,489371] [2021-11-20 07:21:32,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489523,489536] [2021-11-20 07:21:32,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489681,489694] [2021-11-20 07:21:32,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489839,489852] [2021-11-20 07:21:32,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489997,490010] [2021-11-20 07:21:32,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490157,490170] [2021-11-20 07:21:32,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490316,490329] [2021-11-20 07:21:32,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490455,490468] [2021-11-20 07:21:32,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490597,490610] [2021-11-20 07:21:32,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490746,490759] [2021-11-20 07:21:32,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490885,490898] [2021-11-20 07:21:32,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491040,491053] [2021-11-20 07:21:32,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491200,491213] [2021-11-20 07:21:32,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491351,491364] [2021-11-20 07:21:32,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491502,491515] [2021-11-20 07:21:32,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491654,491667] [2021-11-20 07:21:32,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491803,491816] [2021-11-20 07:21:32,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491951,491964] [2021-11-20 07:21:32,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492108,492121] [2021-11-20 07:21:32,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492257,492270] [2021-11-20 07:21:32,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492413,492426] [2021-11-20 07:21:32,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492566,492579] [2021-11-20 07:21:32,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492712,492725] [2021-11-20 07:21:32,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492855,492868] [2021-11-20 07:21:32,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493007,493020] [2021-11-20 07:21:32,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493153,493166] [2021-11-20 07:21:32,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493298,493311] [2021-11-20 07:21:32,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493452,493465] [2021-11-20 07:21:32,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493603,493616] [2021-11-20 07:21:32,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493758,493771] [2021-11-20 07:21:32,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493910,493923] [2021-11-20 07:21:32,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494065,494078] [2021-11-20 07:21:32,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494229,494242] [2021-11-20 07:21:32,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494385,494398] [2021-11-20 07:21:32,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494549,494562] [2021-11-20 07:21:32,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494691,494704] [2021-11-20 07:21:32,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494849,494862] [2021-11-20 07:21:32,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495016,495029] [2021-11-20 07:21:32,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495175,495188] [2021-11-20 07:21:32,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495334,495347] [2021-11-20 07:21:32,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495483,495496] [2021-11-20 07:21:32,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495630,495643] [2021-11-20 07:21:32,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495769,495782] [2021-11-20 07:21:32,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495932,495945] [2021-11-20 07:21:32,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496098,496111] [2021-11-20 07:21:32,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496262,496275] [2021-11-20 07:21:32,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496427,496440] [2021-11-20 07:21:32,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496592,496605] [2021-11-20 07:21:32,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496758,496771] [2021-11-20 07:21:32,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496923,496936] [2021-11-20 07:21:32,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497090,497103] [2021-11-20 07:21:32,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497250,497263] [2021-11-20 07:21:32,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497412,497425] [2021-11-20 07:21:32,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497571,497584] [2021-11-20 07:21:32,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497717,497730] [2021-11-20 07:21:32,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497860,497873] [2021-11-20 07:21:32,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498004,498017] [2021-11-20 07:21:32,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498147,498160] [2021-11-20 07:21:32,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498291,498304] [2021-11-20 07:21:32,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498432,498445] [2021-11-20 07:21:32,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498570,498583] [2021-11-20 07:21:32,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498728,498741] [2021-11-20 07:21:32,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498887,498900] [2021-11-20 07:21:32,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499043,499056] [2021-11-20 07:21:32,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499192,499205] [2021-11-20 07:21:32,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499344,499357] [2021-11-20 07:21:32,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499495,499508] [2021-11-20 07:21:32,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499644,499657] [2021-11-20 07:21:32,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499796,499809] [2021-11-20 07:21:32,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499944,499957] [2021-11-20 07:21:32,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500097,500110] [2021-11-20 07:21:32,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500248,500261] [2021-11-20 07:21:32,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500398,500411] [2021-11-20 07:21:32,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500545,500558] [2021-11-20 07:21:32,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500696,500709] [2021-11-20 07:21:32,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500847,500860] [2021-11-20 07:21:32,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500995,501008] [2021-11-20 07:21:32,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501161,501174] [2021-11-20 07:21:32,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501330,501343] [2021-11-20 07:21:32,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501497,501510] [2021-11-20 07:21:32,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501665,501678] [2021-11-20 07:21:32,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501815,501828] [2021-11-20 07:21:32,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501962,501975] [2021-11-20 07:21:32,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502123,502136] [2021-11-20 07:21:32,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502293,502306] [2021-11-20 07:21:32,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502455,502468] [2021-11-20 07:21:32,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:21:32,637 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:21:32,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32 WrapperNode [2021-11-20 07:21:32,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:21:32,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:21:32,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:21:32,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:21:32,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:32,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:33,082 INFO L137 Inliner]: procedures = 805, calls = 4362, calls flagged for inlining = 353, calls inlined = 186, statements flattened = 5763 [2021-11-20 07:21:33,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:21:33,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:21:33,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:21:33,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:21:33,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:33,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:33,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:33,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:33,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:33,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:33,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:33,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:21:33,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:21:33,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:21:33,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:21:33,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (1/1) ... [2021-11-20 07:21:33,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:21:33,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:21:33,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:21:33,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184b42b7-ba60-4e64-9aff-4b4a1f8f8ab8/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:21:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2021-11-20 07:21:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2021-11-20 07:21:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 07:21:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 07:21:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 07:21:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 07:21:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2021-11-20 07:21:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2021-11-20 07:21:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2021-11-20 07:21:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2021-11-20 07:21:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 07:21:33,592 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 07:21:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure smi_add_send_msg [2021-11-20 07:21:33,593 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_add_send_msg [2021-11-20 07:21:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2021-11-20 07:21:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2021-11-20 07:21:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-20 07:21:33,594 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-20 07:21:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 07:21:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 07:21:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-20 07:21:33,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-20 07:21:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 07:21:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 07:21:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-20 07:21:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-20 07:21:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 07:21:33,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 07:21:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:21:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 07:21:33,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 07:21:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_195 [2021-11-20 07:21:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_195 [2021-11-20 07:21:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_194 [2021-11-20 07:21:33,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_194 [2021-11-20 07:21:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 07:21:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 07:21:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2021-11-20 07:21:33,600 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2021-11-20 07:21:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_15_2 [2021-11-20 07:21:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_15_2 [2021-11-20 07:21:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-20 07:21:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-20 07:21:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 07:21:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 07:21:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_xmit_msgs_lock_of_ipmi_smi [2021-11-20 07:21:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_xmit_msgs_lock_of_ipmi_smi [2021-11-20 07:21:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-20 07:21:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-20 07:21:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:21:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 07:21:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 07:21:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 07:21:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 07:21:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:21:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 07:21:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 07:21:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:21:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 07:21:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 07:21:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-20 07:21:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-20 07:21:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 07:21:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 07:21:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-20 07:21:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-20 07:21:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-20 07:21:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-20 07:21:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:21:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:21:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-20 07:21:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-20 07:21:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:21:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2021-11-20 07:21:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2021-11-20 07:21:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2021-11-20 07:21:33,613 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2021-11-20 07:21:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_145 [2021-11-20 07:21:33,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_145 [2021-11-20 07:21:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2021-11-20 07:21:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2021-11-20 07:21:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_137 [2021-11-20 07:21:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_137 [2021-11-20 07:21:33,619 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-20 07:21:33,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-20 07:21:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-20 07:21:33,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-20 07:21:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2021-11-20 07:21:33,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2021-11-20 07:21:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 07:21:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 07:21:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:21:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 07:21:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 07:21:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 07:21:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 07:21:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_110 [2021-11-20 07:21:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_110 [2021-11-20 07:21:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:21:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2021-11-20 07:21:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2021-11-20 07:21:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2021-11-20 07:21:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2021-11-20 07:21:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 07:21:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 07:21:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-20 07:21:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-20 07:21:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 07:21:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 07:21:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2021-11-20 07:21:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2021-11-20 07:21:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 07:21:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 07:21:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2021-11-20 07:21:33,625 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2021-11-20 07:21:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-20 07:21:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-20 07:21:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2021-11-20 07:21:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2021-11-20 07:21:33,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 07:21:33,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 07:21:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:21:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:21:33,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:21:33,627 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2021-11-20 07:21:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2021-11-20 07:21:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout_handler [2021-11-20 07:21:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout_handler [2021-11-20 07:21:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2021-11-20 07:21:33,628 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2021-11-20 07:21:33,628 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-20 07:21:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-20 07:21:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 07:21:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 07:21:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout [2021-11-20 07:21:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout [2021-11-20 07:21:33,629 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2021-11-20 07:21:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2021-11-20 07:21:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_179 [2021-11-20 07:21:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_179 [2021-11-20 07:21:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-20 07:21:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-20 07:21:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 07:21:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 07:21:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 07:21:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 07:21:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:21:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:21:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_events_lock_of_ipmi_smi [2021-11-20 07:21:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_events_lock_of_ipmi_smi [2021-11-20 07:21:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-20 07:21:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-20 07:21:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2021-11-20 07:21:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2021-11-20 07:21:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2021-11-20 07:21:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2021-11-20 07:21:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2021-11-20 07:21:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2021-11-20 07:21:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-20 07:21:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-20 07:21:33,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 07:21:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 07:21:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_maintenance_mode_lock_of_ipmi_smi [2021-11-20 07:21:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_maintenance_mode_lock_of_ipmi_smi [2021-11-20 07:21:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2021-11-20 07:21:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2021-11-20 07:21:33,634 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2021-11-20 07:21:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2021-11-20 07:21:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure need_waiter [2021-11-20 07:21:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure need_waiter [2021-11-20 07:21:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 07:21:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 07:21:33,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 07:21:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 07:21:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-20 07:21:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-20 07:21:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure smi_send [2021-11-20 07:21:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_send [2021-11-20 07:21:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:21:33,636 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 07:21:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 07:21:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2021-11-20 07:21:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2021-11-20 07:21:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:21:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-20 07:21:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-20 07:21:33,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:21:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-20 07:21:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-20 07:21:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-20 07:21:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-20 07:21:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2021-11-20 07:21:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2021-11-20 07:21:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 07:21:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 07:21:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:21:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:21:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 07:21:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 07:21:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2021-11-20 07:21:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2021-11-20 07:21:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 07:21:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 07:21:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-20 07:21:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-20 07:21:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 07:21:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 07:21:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 07:21:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 07:21:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2021-11-20 07:21:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2021-11-20 07:21:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-20 07:21:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-20 07:21:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2021-11-20 07:21:33,647 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2021-11-20 07:21:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2021-11-20 07:21:33,647 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2021-11-20 07:21:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:21:33,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:21:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-20 07:21:33,648 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-20 07:21:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-11-20 07:21:33,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-11-20 07:21:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2021-11-20 07:21:33,648 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2021-11-20 07:21:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 07:21:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 07:21:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure channel_handler [2021-11-20 07:21:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_handler [2021-11-20 07:21:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-20 07:21:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-20 07:21:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-20 07:21:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:21:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:21:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:21:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 07:21:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 07:21:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2021-11-20 07:21:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2021-11-20 07:21:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-20 07:21:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-20 07:21:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 07:21:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 07:21:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2021-11-20 07:21:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2021-11-20 07:21:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-20 07:21:33,652 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-20 07:21:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-20 07:21:33,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-20 07:21:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:21:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 07:21:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 07:21:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 07:21:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 07:21:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 07:21:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 07:21:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_waiting_rcv_msgs_lock_of_ipmi_smi [2021-11-20 07:21:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_waiting_rcv_msgs_lock_of_ipmi_smi [2021-11-20 07:21:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-20 07:21:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-20 07:21:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-20 07:21:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-20 07:21:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-20 07:21:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-20 07:21:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 07:21:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 07:21:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:21:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:21:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 07:21:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 07:21:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-20 07:21:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-20 07:21:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2021-11-20 07:21:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2021-11-20 07:21:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 07:21:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 07:21:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2021-11-20 07:21:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2021-11-20 07:21:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-20 07:21:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-20 07:21:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2021-11-20 07:21:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2021-11-20 07:21:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-20 07:21:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-20 07:21:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_15 [2021-11-20 07:21:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_15 [2021-11-20 07:21:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 07:21:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 07:21:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-20 07:21:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-20 07:21:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 07:21:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 07:21:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2021-11-20 07:21:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2021-11-20 07:21:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-20 07:21:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-20 07:21:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-20 07:21:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-20 07:21:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:21:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 07:21:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 07:21:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_seq_lock_of_ipmi_smi [2021-11-20 07:21:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_seq_lock_of_ipmi_smi [2021-11-20 07:21:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 07:21:34,736 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:21:34,740 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:21:35,157 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:21:47,539 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:21:47,578 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:21:47,578 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:21:47,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:21:47 BoogieIcfgContainer [2021-11-20 07:21:47,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:21:47,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:21:47,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:21:47,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:21:47,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:21:25" (1/3) ... [2021-11-20 07:21:47,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62769c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:21:47, skipping insertion in model container [2021-11-20 07:21:47,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:21:32" (2/3) ... [2021-11-20 07:21:47,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62769c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:21:47, skipping insertion in model container [2021-11-20 07:21:47,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:21:47" (3/3) ... [2021-11-20 07:21:47,595 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-20 07:21:47,600 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:21:47,601 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2021-11-20 07:21:47,680 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:21:47,696 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:21:47,702 INFO L340 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2021-11-20 07:21:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 2095 states, 1325 states have (on average 1.3011320754716982) internal successors, (1724), 1446 states have internal predecessors, (1724), 595 states have call successors, (595), 143 states have call predecessors, (595), 142 states have return successors, (590), 564 states have call predecessors, (590), 590 states have call successors, (590) [2021-11-20 07:21:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-20 07:21:47,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:21:47,797 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:21:47,797 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:21:47,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:21:47,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2061363385, now seen corresponding path program 1 times [2021-11-20 07:21:47,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:21:47,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022376880] [2021-11-20 07:21:47,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:21:47,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:21:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:21:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:21:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:21:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 07:21:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:21:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:21:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:21:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:21:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:21:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:21:49,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:21:49,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022376880] [2021-11-20 07:21:49,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022376880] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:21:49,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:21:49,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:21:49,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991108538] [2021-11-20 07:21:49,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:21:49,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:21:49,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:21:49,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:21:49,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:21:49,164 INFO L87 Difference]: Start difference. First operand has 2095 states, 1325 states have (on average 1.3011320754716982) internal successors, (1724), 1446 states have internal predecessors, (1724), 595 states have call successors, (595), 143 states have call predecessors, (595), 142 states have return successors, (590), 564 states have call predecessors, (590), 590 states have call successors, (590) Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:22:02,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:06,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:09,221 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:11,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:16,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:16,288 INFO L93 Difference]: Finished difference Result 4959 states and 7139 transitions. [2021-11-20 07:22:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:22:16,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 55 [2021-11-20 07:22:16,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:22:16,344 INFO L225 Difference]: With dead ends: 4959 [2021-11-20 07:22:16,345 INFO L226 Difference]: Without dead ends: 2870 [2021-11-20 07:22:16,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:22:16,368 INFO L933 BasicCegarLoop]: 2356 mSDtfsCounter, 6890 mSDsluCounter, 1862 mSDsCounter, 0 mSdLazyCounter, 6674 mSolverCounterSat, 5122 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7063 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 11799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5122 IncrementalHoareTripleChecker+Valid, 6674 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:22:16,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7063 Valid, 4218 Invalid, 11799 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5122 Valid, 6674 Invalid, 3 Unknown, 0 Unchecked, 26.0s Time] [2021-11-20 07:22:16,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2021-11-20 07:22:16,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2622. [2021-11-20 07:22:16,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2622 states, 1652 states have (on average 1.25) internal successors, (2065), 1792 states have internal predecessors, (2065), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-20 07:22:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2622 states and 3576 transitions. [2021-11-20 07:22:16,727 INFO L78 Accepts]: Start accepts. Automaton has 2622 states and 3576 transitions. Word has length 55 [2021-11-20 07:22:16,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:22:16,728 INFO L470 AbstractCegarLoop]: Abstraction has 2622 states and 3576 transitions. [2021-11-20 07:22:16,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-20 07:22:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 3576 transitions. [2021-11-20 07:22:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:22:16,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:22:16,733 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:16,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:22:16,734 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:22:16,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:16,734 INFO L85 PathProgramCache]: Analyzing trace with hash 234039413, now seen corresponding path program 1 times [2021-11-20 07:22:16,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:16,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060437354] [2021-11-20 07:22:16,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:16,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:22:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:22:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:22:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:22:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:22:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:17,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:22:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:17,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:22:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:22:17,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:17,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060437354] [2021-11-20 07:22:17,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060437354] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:17,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:17,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:22:17,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637156938] [2021-11-20 07:22:17,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:17,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:22:17,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:17,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:22:17,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:22:17,283 INFO L87 Difference]: Start difference. First operand 2622 states and 3576 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:22:31,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:33,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:35,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:38,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:38,487 INFO L93 Difference]: Finished difference Result 2825 states and 3919 transitions. [2021-11-20 07:22:38,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:22:38,491 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2021-11-20 07:22:38,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:22:38,519 INFO L225 Difference]: With dead ends: 2825 [2021-11-20 07:22:38,519 INFO L226 Difference]: Without dead ends: 2823 [2021-11-20 07:22:38,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:22:38,525 INFO L933 BasicCegarLoop]: 2361 mSDtfsCounter, 5378 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 4390 mSolverCounterSat, 4021 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5546 SdHoareTripleChecker+Valid, 4236 SdHoareTripleChecker+Invalid, 8414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4021 IncrementalHoareTripleChecker+Valid, 4390 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:22:38,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5546 Valid, 4236 Invalid, 8414 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4021 Valid, 4390 Invalid, 3 Unknown, 0 Unchecked, 20.5s Time] [2021-11-20 07:22:38,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2021-11-20 07:22:38,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2620. [2021-11-20 07:22:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 1651 states have (on average 1.2489400363416112) internal successors, (2062), 1790 states have internal predecessors, (2062), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-20 07:22:38,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 3573 transitions. [2021-11-20 07:22:38,745 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 3573 transitions. Word has length 57 [2021-11-20 07:22:38,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:22:38,746 INFO L470 AbstractCegarLoop]: Abstraction has 2620 states and 3573 transitions. [2021-11-20 07:22:38,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-20 07:22:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 3573 transitions. [2021-11-20 07:22:38,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-20 07:22:38,756 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:22:38,757 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:38,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:22:38,757 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:22:38,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:38,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1480756065, now seen corresponding path program 1 times [2021-11-20 07:22:38,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:38,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403226383] [2021-11-20 07:22:38,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:38,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:22:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:22:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:22:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:22:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:22:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:22:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:22:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:22:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:22:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:22:39,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:39,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403226383] [2021-11-20 07:22:39,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403226383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:39,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:39,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:22:39,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358605996] [2021-11-20 07:22:39,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:39,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:22:39,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:39,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:22:39,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:22:39,346 INFO L87 Difference]: Start difference. First operand 2620 states and 3573 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 07:22:52,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:54,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:55,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:22:57,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:23:00,925 INFO L93 Difference]: Finished difference Result 2823 states and 3916 transitions. [2021-11-20 07:23:00,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:23:00,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 5 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 63 [2021-11-20 07:23:00,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:23:00,951 INFO L225 Difference]: With dead ends: 2823 [2021-11-20 07:23:00,951 INFO L226 Difference]: Without dead ends: 2821 [2021-11-20 07:23:00,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:23:00,954 INFO L933 BasicCegarLoop]: 2354 mSDtfsCounter, 5379 mSDsluCounter, 1872 mSDsCounter, 0 mSdLazyCounter, 4388 mSolverCounterSat, 4022 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5547 SdHoareTripleChecker+Valid, 4226 SdHoareTripleChecker+Invalid, 8412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4022 IncrementalHoareTripleChecker+Valid, 4388 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:23:00,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5547 Valid, 4226 Invalid, 8412 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4022 Valid, 4388 Invalid, 2 Unknown, 0 Unchecked, 21.0s Time] [2021-11-20 07:23:00,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2021-11-20 07:23:01,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 2618. [2021-11-20 07:23:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2618 states, 1650 states have (on average 1.2478787878787878) internal successors, (2059), 1788 states have internal predecessors, (2059), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-20 07:23:01,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 3570 transitions. [2021-11-20 07:23:01,175 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 3570 transitions. Word has length 63 [2021-11-20 07:23:01,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:23:01,176 INFO L470 AbstractCegarLoop]: Abstraction has 2618 states and 3570 transitions. [2021-11-20 07:23:01,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 07:23:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 3570 transitions. [2021-11-20 07:23:01,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-20 07:23:01,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:23:01,178 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:23:01,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:23:01,179 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:23:01,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:23:01,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1906625395, now seen corresponding path program 1 times [2021-11-20 07:23:01,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:23:01,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641698325] [2021-11-20 07:23:01,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:23:01,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:23:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:23:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:23:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:23:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:23:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:23:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:23:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:23:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:23:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:23:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:23:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:23:01,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:23:01,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641698325] [2021-11-20 07:23:01,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641698325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:23:01,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:23:01,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:23:01,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723111121] [2021-11-20 07:23:01,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:23:01,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:23:01,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:23:01,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:23:01,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:23:01,773 INFO L87 Difference]: Start difference. First operand 2618 states and 3570 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 07:23:13,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:17,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:18,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:21,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:23:21,312 INFO L93 Difference]: Finished difference Result 2821 states and 3913 transitions. [2021-11-20 07:23:21,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:23:21,313 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 5 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 69 [2021-11-20 07:23:21,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:23:21,335 INFO L225 Difference]: With dead ends: 2821 [2021-11-20 07:23:21,336 INFO L226 Difference]: Without dead ends: 2819 [2021-11-20 07:23:21,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:23:21,339 INFO L933 BasicCegarLoop]: 2351 mSDtfsCounter, 5371 mSDsluCounter, 1871 mSDsCounter, 0 mSdLazyCounter, 4381 mSolverCounterSat, 4032 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5538 SdHoareTripleChecker+Valid, 4222 SdHoareTripleChecker+Invalid, 8414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4032 IncrementalHoareTripleChecker+Valid, 4381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:23:21,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5538 Valid, 4222 Invalid, 8414 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4032 Valid, 4381 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2021-11-20 07:23:21,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2021-11-20 07:23:21,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2616. [2021-11-20 07:23:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2616 states, 1649 states have (on average 1.2468162522741055) internal successors, (2056), 1786 states have internal predecessors, (2056), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-20 07:23:21,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 3567 transitions. [2021-11-20 07:23:21,559 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 3567 transitions. Word has length 69 [2021-11-20 07:23:21,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:23:21,560 INFO L470 AbstractCegarLoop]: Abstraction has 2616 states and 3567 transitions. [2021-11-20 07:23:21,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 07:23:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 3567 transitions. [2021-11-20 07:23:21,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 07:23:21,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:23:21,563 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:23:21,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:23:21,563 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:23:21,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:23:21,564 INFO L85 PathProgramCache]: Analyzing trace with hash 2127297363, now seen corresponding path program 1 times [2021-11-20 07:23:21,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:23:21,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622011866] [2021-11-20 07:23:21,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:23:21,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:23:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:23:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:23:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:23:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:23:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:23:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:23:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:23:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:23:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:23:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:23:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:22,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:23:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:23:22,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:23:22,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622011866] [2021-11-20 07:23:22,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622011866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:23:22,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:23:22,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:23:22,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133276299] [2021-11-20 07:23:22,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:23:22,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:23:22,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:23:22,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:23:22,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:23:22,024 INFO L87 Difference]: Start difference. First operand 2616 states and 3567 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:23:32,233 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:35,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:36,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:38,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:48,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:50,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:23:52,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:23:52,867 INFO L93 Difference]: Finished difference Result 4285 states and 6020 transitions. [2021-11-20 07:23:52,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:23:52,867 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 5 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 75 [2021-11-20 07:23:52,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:23:52,905 INFO L225 Difference]: With dead ends: 4285 [2021-11-20 07:23:52,905 INFO L226 Difference]: Without dead ends: 4283 [2021-11-20 07:23:52,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:23:52,909 INFO L933 BasicCegarLoop]: 2351 mSDtfsCounter, 8057 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 7207 mSolverCounterSat, 6192 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8223 SdHoareTripleChecker+Valid, 4602 SdHoareTripleChecker+Invalid, 13401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6192 IncrementalHoareTripleChecker+Valid, 7207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:23:52,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8223 Valid, 4602 Invalid, 13401 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6192 Valid, 7207 Invalid, 2 Unknown, 0 Unchecked, 30.0s Time] [2021-11-20 07:23:52,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4283 states. [2021-11-20 07:23:53,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4283 to 3910. [2021-11-20 07:23:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3910 states, 2477 states have (on average 1.2716996366572466) internal successors, (3150), 2669 states have internal predecessors, (3150), 1120 states have call successors, (1120), 284 states have call predecessors, (1120), 285 states have return successors, (1123), 1067 states have call predecessors, (1123), 1118 states have call successors, (1123) [2021-11-20 07:23:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5393 transitions. [2021-11-20 07:23:53,277 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5393 transitions. Word has length 75 [2021-11-20 07:23:53,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:23:53,277 INFO L470 AbstractCegarLoop]: Abstraction has 3910 states and 5393 transitions. [2021-11-20 07:23:53,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:23:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5393 transitions. [2021-11-20 07:23:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 07:23:53,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:23:53,280 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:23:53,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:23:53,280 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:23:53,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:23:53,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1832853357, now seen corresponding path program 1 times [2021-11-20 07:23:53,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:23:53,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064586525] [2021-11-20 07:23:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:23:53,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:23:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:23:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:23:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:23:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:23:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:23:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:23:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:23:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:23:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:23:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:23:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:23:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:23:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:23:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:23:53,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:23:53,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064586525] [2021-11-20 07:23:53,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064586525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:23:53,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:23:53,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:23:53,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503660035] [2021-11-20 07:23:53,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:23:53,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:23:53,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:23:53,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:23:53,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:23:53,854 INFO L87 Difference]: Start difference. First operand 3910 states and 5393 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:24:04,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:06,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:07,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:11,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:13,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:15,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:18,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:24:18,326 INFO L93 Difference]: Finished difference Result 4261 states and 6006 transitions. [2021-11-20 07:24:18,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:24:18,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 5 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 81 [2021-11-20 07:24:18,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:24:18,365 INFO L225 Difference]: With dead ends: 4261 [2021-11-20 07:24:18,365 INFO L226 Difference]: Without dead ends: 4259 [2021-11-20 07:24:18,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:24:18,370 INFO L933 BasicCegarLoop]: 2348 mSDtfsCounter, 5355 mSDsluCounter, 1872 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 4025 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5520 SdHoareTripleChecker+Valid, 4220 SdHoareTripleChecker+Invalid, 8406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4025 IncrementalHoareTripleChecker+Valid, 4378 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:24:18,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5520 Valid, 4220 Invalid, 8406 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4025 Valid, 4378 Invalid, 3 Unknown, 0 Unchecked, 23.9s Time] [2021-11-20 07:24:18,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4259 states. [2021-11-20 07:24:18,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4259 to 3908. [2021-11-20 07:24:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 2476 states have (on average 1.2710016155088852) internal successors, (3147), 2667 states have internal predecessors, (3147), 1120 states have call successors, (1120), 284 states have call predecessors, (1120), 285 states have return successors, (1123), 1067 states have call predecessors, (1123), 1118 states have call successors, (1123) [2021-11-20 07:24:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 5390 transitions. [2021-11-20 07:24:18,790 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 5390 transitions. Word has length 81 [2021-11-20 07:24:18,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:24:18,790 INFO L470 AbstractCegarLoop]: Abstraction has 3908 states and 5390 transitions. [2021-11-20 07:24:18,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:24:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 5390 transitions. [2021-11-20 07:24:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-20 07:24:18,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:24:18,800 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:24:18,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:24:18,801 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:24:18,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:24:18,801 INFO L85 PathProgramCache]: Analyzing trace with hash 2139963042, now seen corresponding path program 1 times [2021-11-20 07:24:18,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:24:18,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067966784] [2021-11-20 07:24:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:24:18,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:24:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:24:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:24:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:24:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:24:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:24:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:24:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:24:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:24:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:24:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:24:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:24:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:24:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:24:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:24:19,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:24:19,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067966784] [2021-11-20 07:24:19,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067966784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:24:19,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:24:19,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:24:19,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115195213] [2021-11-20 07:24:19,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:24:19,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:24:19,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:24:19,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:24:19,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:24:19,283 INFO L87 Difference]: Start difference. First operand 3908 states and 5390 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 07:24:31,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:33,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:34,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:36,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:37,981 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:24:40,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:24:40,484 INFO L93 Difference]: Finished difference Result 4259 states and 6003 transitions. [2021-11-20 07:24:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:24:40,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 5 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 87 [2021-11-20 07:24:40,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:24:40,513 INFO L225 Difference]: With dead ends: 4259 [2021-11-20 07:24:40,513 INFO L226 Difference]: Without dead ends: 4257 [2021-11-20 07:24:40,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:24:40,517 INFO L933 BasicCegarLoop]: 2349 mSDtfsCounter, 5341 mSDsluCounter, 1874 mSDsCounter, 0 mSdLazyCounter, 4362 mSolverCounterSat, 4043 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5504 SdHoareTripleChecker+Valid, 4223 SdHoareTripleChecker+Invalid, 8408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4043 IncrementalHoareTripleChecker+Valid, 4362 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:24:40,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5504 Valid, 4223 Invalid, 8408 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4043 Valid, 4362 Invalid, 3 Unknown, 0 Unchecked, 20.6s Time] [2021-11-20 07:24:40,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4257 states. [2021-11-20 07:24:40,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4257 to 3906. [2021-11-20 07:24:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3906 states, 2475 states have (on average 1.2703030303030303) internal successors, (3144), 2665 states have internal predecessors, (3144), 1120 states have call successors, (1120), 284 states have call predecessors, (1120), 285 states have return successors, (1123), 1067 states have call predecessors, (1123), 1118 states have call successors, (1123) [2021-11-20 07:24:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3906 states and 5387 transitions. [2021-11-20 07:24:40,899 INFO L78 Accepts]: Start accepts. Automaton has 3906 states and 5387 transitions. Word has length 87 [2021-11-20 07:24:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:24:40,900 INFO L470 AbstractCegarLoop]: Abstraction has 3906 states and 5387 transitions. [2021-11-20 07:24:40,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 07:24:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 5387 transitions. [2021-11-20 07:24:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-20 07:24:40,905 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:24:40,905 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] [2021-11-20 07:24:40,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:24:40,906 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:24:40,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:24:40,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1924357562, now seen corresponding path program 1 times [2021-11-20 07:24:40,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:24:40,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850352245] [2021-11-20 07:24:40,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:24:40,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:24:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:24:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:24:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:24:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:24:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:24:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:24:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:24:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:24:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:24:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:24:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:24:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:24:41,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:24:41,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850352245] [2021-11-20 07:24:41,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850352245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:24:41,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:24:41,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:24:41,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406318886] [2021-11-20 07:24:41,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:24:41,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:24:41,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:24:41,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:24:41,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:24:41,504 INFO L87 Difference]: Start difference. First operand 3906 states and 5387 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:24:48,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:24:48,770 INFO L93 Difference]: Finished difference Result 7864 states and 11179 transitions. [2021-11-20 07:24:48,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:24:48,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2021-11-20 07:24:48,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:24:48,834 INFO L225 Difference]: With dead ends: 7864 [2021-11-20 07:24:48,834 INFO L226 Difference]: Without dead ends: 7862 [2021-11-20 07:24:48,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:24:48,839 INFO L933 BasicCegarLoop]: 3333 mSDtfsCounter, 3951 mSDsluCounter, 9366 mSDsCounter, 0 mSdLazyCounter, 3347 mSolverCounterSat, 1719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4381 SdHoareTripleChecker+Valid, 12699 SdHoareTripleChecker+Invalid, 5066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1719 IncrementalHoareTripleChecker+Valid, 3347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:24:48,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4381 Valid, 12699 Invalid, 5066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1719 Valid, 3347 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-11-20 07:24:48,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7862 states. [2021-11-20 07:24:49,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7862 to 7280. [2021-11-20 07:24:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7280 states, 4642 states have (on average 1.2789745799224472) internal successors, (5937), 4998 states have internal predecessors, (5937), 2045 states have call successors, (2045), 534 states have call predecessors, (2045), 567 states have return successors, (2275), 1943 states have call predecessors, (2275), 2043 states have call successors, (2275) [2021-11-20 07:24:49,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7280 states to 7280 states and 10257 transitions. [2021-11-20 07:24:49,554 INFO L78 Accepts]: Start accepts. Automaton has 7280 states and 10257 transitions. Word has length 93 [2021-11-20 07:24:49,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:24:49,554 INFO L470 AbstractCegarLoop]: Abstraction has 7280 states and 10257 transitions. [2021-11-20 07:24:49,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:24:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 7280 states and 10257 transitions. [2021-11-20 07:24:49,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-20 07:24:49,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:24:49,558 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:24:49,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:24:49,559 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:24:49,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:24:49,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1293838884, now seen corresponding path program 1 times [2021-11-20 07:24:49,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:24:49,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309018473] [2021-11-20 07:24:49,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:24:49,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:24:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:24:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:24:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:24:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:24:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:24:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:24:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:24:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:24:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:24:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:24:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:24:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:24:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:24:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:50,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:24:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:24:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:24:50,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:24:50,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309018473] [2021-11-20 07:24:50,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309018473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:24:50,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:24:50,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:24:50,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108418746] [2021-11-20 07:24:50,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:24:50,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:24:50,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:24:50,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:24:50,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:24:50,051 INFO L87 Difference]: Start difference. First operand 7280 states and 10257 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:24:59,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:03,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:05,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:09,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:11,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:13,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:13,716 INFO L93 Difference]: Finished difference Result 7901 states and 11427 transitions. [2021-11-20 07:25:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:25:13,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 5 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 93 [2021-11-20 07:25:13,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:13,762 INFO L225 Difference]: With dead ends: 7901 [2021-11-20 07:25:13,762 INFO L226 Difference]: Without dead ends: 7899 [2021-11-20 07:25:13,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:25:13,770 INFO L933 BasicCegarLoop]: 2349 mSDtfsCounter, 5330 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 4391 mSolverCounterSat, 4006 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5492 SdHoareTripleChecker+Valid, 4224 SdHoareTripleChecker+Invalid, 8402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4006 IncrementalHoareTripleChecker+Valid, 4391 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:13,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5492 Valid, 4224 Invalid, 8402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4006 Valid, 4391 Invalid, 5 Unknown, 0 Unchecked, 22.8s Time] [2021-11-20 07:25:13,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7899 states. [2021-11-20 07:25:14,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7899 to 7576. [2021-11-20 07:25:14,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7576 states, 4853 states have (on average 1.284772305790233) internal successors, (6235), 5250 states have internal predecessors, (6235), 2079 states have call successors, (2079), 534 states have call predecessors, (2079), 619 states have return successors, (2511), 1991 states have call predecessors, (2511), 2077 states have call successors, (2511) [2021-11-20 07:25:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7576 states to 7576 states and 10825 transitions. [2021-11-20 07:25:14,615 INFO L78 Accepts]: Start accepts. Automaton has 7576 states and 10825 transitions. Word has length 93 [2021-11-20 07:25:14,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:14,616 INFO L470 AbstractCegarLoop]: Abstraction has 7576 states and 10825 transitions. [2021-11-20 07:25:14,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:25:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 7576 states and 10825 transitions. [2021-11-20 07:25:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-20 07:25:14,619 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:14,619 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] [2021-11-20 07:25:14,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:25:14,620 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:25:14,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:14,620 INFO L85 PathProgramCache]: Analyzing trace with hash 850579514, now seen corresponding path program 1 times [2021-11-20 07:25:14,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:14,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818436502] [2021-11-20 07:25:14,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:14,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:25:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:14,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:25:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:15,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:25:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:25:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:25:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:15,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:25:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:25:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:25:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:25:15,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:15,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818436502] [2021-11-20 07:25:15,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818436502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:15,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:15,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:25:15,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560817610] [2021-11-20 07:25:15,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:15,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:25:15,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:15,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:25:15,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:25:15,093 INFO L87 Difference]: Start difference. First operand 7576 states and 10825 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-20 07:25:18,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:18,554 INFO L93 Difference]: Finished difference Result 15158 states and 22298 transitions. [2021-11-20 07:25:18,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:25:18,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 98 [2021-11-20 07:25:18,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:18,599 INFO L225 Difference]: With dead ends: 15158 [2021-11-20 07:25:18,599 INFO L226 Difference]: Without dead ends: 8021 [2021-11-20 07:25:18,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:25:18,655 INFO L933 BasicCegarLoop]: 2694 mSDtfsCounter, 827 mSDsluCounter, 3282 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 5976 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 659 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:18,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [949 Valid, 5976 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [659 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-20 07:25:18,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8021 states. [2021-11-20 07:25:19,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8021 to 7600. [2021-11-20 07:25:19,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7600 states, 4873 states have (on average 1.2852452288118201) internal successors, (6263), 5268 states have internal predecessors, (6263), 2083 states have call successors, (2083), 534 states have call predecessors, (2083), 619 states have return successors, (2515), 1997 states have call predecessors, (2515), 2081 states have call successors, (2515) [2021-11-20 07:25:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7600 states to 7600 states and 10861 transitions. [2021-11-20 07:25:19,475 INFO L78 Accepts]: Start accepts. Automaton has 7600 states and 10861 transitions. Word has length 98 [2021-11-20 07:25:19,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:19,476 INFO L470 AbstractCegarLoop]: Abstraction has 7600 states and 10861 transitions. [2021-11-20 07:25:19,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-20 07:25:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 7600 states and 10861 transitions. [2021-11-20 07:25:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-20 07:25:19,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:19,480 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] [2021-11-20 07:25:19,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:25:19,481 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:25:19,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:19,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1846332063, now seen corresponding path program 1 times [2021-11-20 07:25:19,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:19,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604911522] [2021-11-20 07:25:19,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:19,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:25:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:25:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:25:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:25:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:25:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:25:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:25:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:25:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:25:19,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:19,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604911522] [2021-11-20 07:25:19,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604911522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:19,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:19,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:25:19,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954369009] [2021-11-20 07:25:19,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:19,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:25:19,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:19,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:25:19,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:25:19,924 INFO L87 Difference]: Start difference. First operand 7600 states and 10861 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:25:27,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:27,731 INFO L93 Difference]: Finished difference Result 15512 states and 23657 transitions. [2021-11-20 07:25:27,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:25:27,732 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2021-11-20 07:25:27,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:27,821 INFO L225 Difference]: With dead ends: 15512 [2021-11-20 07:25:27,822 INFO L226 Difference]: Without dead ends: 15510 [2021-11-20 07:25:27,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:25:27,832 INFO L933 BasicCegarLoop]: 3410 mSDtfsCounter, 3857 mSDsluCounter, 9426 mSDsCounter, 0 mSdLazyCounter, 3449 mSolverCounterSat, 1714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4285 SdHoareTripleChecker+Valid, 12836 SdHoareTripleChecker+Invalid, 5163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1714 IncrementalHoareTripleChecker+Valid, 3449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:27,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4285 Valid, 12836 Invalid, 5163 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1714 Valid, 3449 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2021-11-20 07:25:27,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15510 states. [2021-11-20 07:25:29,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15510 to 14302. [2021-11-20 07:25:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14302 states, 9195 states have (on average 1.29342033713975) internal successors, (11893), 9946 states have internal predecessors, (11893), 3921 states have call successors, (3921), 998 states have call predecessors, (3921), 1161 states have return successors, (5539), 3729 states have call predecessors, (5539), 3919 states have call successors, (5539) [2021-11-20 07:25:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14302 states to 14302 states and 21353 transitions. [2021-11-20 07:25:29,297 INFO L78 Accepts]: Start accepts. Automaton has 14302 states and 21353 transitions. Word has length 101 [2021-11-20 07:25:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:29,297 INFO L470 AbstractCegarLoop]: Abstraction has 14302 states and 21353 transitions. [2021-11-20 07:25:29,298 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:25:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 14302 states and 21353 transitions. [2021-11-20 07:25:29,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 07:25:29,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:29,301 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:29,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:25:29,302 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:25:29,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:29,302 INFO L85 PathProgramCache]: Analyzing trace with hash -910116520, now seen corresponding path program 1 times [2021-11-20 07:25:29,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:29,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58138748] [2021-11-20 07:25:29,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:29,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:25:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:25:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:25:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:25:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:25:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:25:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:25:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:25:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:25:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:25:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:25:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:25:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:25:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:25:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:25:29,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:29,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58138748] [2021-11-20 07:25:29,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58138748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:29,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:29,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:25:29,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806425791] [2021-11-20 07:25:29,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:29,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:25:29,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:29,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:25:29,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:25:29,786 INFO L87 Difference]: Start difference. First operand 14302 states and 21353 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:25:42,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:44,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:47,181 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:48,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:25:50,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:25:50,900 INFO L93 Difference]: Finished difference Result 14867 states and 22513 transitions. [2021-11-20 07:25:50,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:25:50,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 5 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 99 [2021-11-20 07:25:50,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:25:51,029 INFO L225 Difference]: With dead ends: 14867 [2021-11-20 07:25:51,029 INFO L226 Difference]: Without dead ends: 14865 [2021-11-20 07:25:51,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:25:51,036 INFO L933 BasicCegarLoop]: 2342 mSDtfsCounter, 5331 mSDsluCounter, 1872 mSDsCounter, 0 mSdLazyCounter, 4370 mSolverCounterSat, 4015 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5493 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 8386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4015 IncrementalHoareTripleChecker+Valid, 4370 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:25:51,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5493 Valid, 4214 Invalid, 8386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4015 Valid, 4370 Invalid, 1 Unknown, 0 Unchecked, 19.7s Time] [2021-11-20 07:25:51,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14865 states. [2021-11-20 07:25:52,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14865 to 14300. [2021-11-20 07:25:52,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14300 states, 9194 states have (on average 1.2931259517076354) internal successors, (11889), 9944 states have internal predecessors, (11889), 3921 states have call successors, (3921), 998 states have call predecessors, (3921), 1161 states have return successors, (5539), 3729 states have call predecessors, (5539), 3919 states have call successors, (5539) [2021-11-20 07:25:52,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14300 states to 14300 states and 21349 transitions. [2021-11-20 07:25:52,323 INFO L78 Accepts]: Start accepts. Automaton has 14300 states and 21349 transitions. Word has length 99 [2021-11-20 07:25:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:25:52,324 INFO L470 AbstractCegarLoop]: Abstraction has 14300 states and 21349 transitions. [2021-11-20 07:25:52,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:25:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 14300 states and 21349 transitions. [2021-11-20 07:25:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-20 07:25:52,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:25:52,327 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:25:52,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:25:52,328 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:25:52,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:25:52,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1551506683, now seen corresponding path program 1 times [2021-11-20 07:25:52,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:25:52,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163878208] [2021-11-20 07:25:52,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:25:52,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:25:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:25:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:25:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:25:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:25:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:25:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:25:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:25:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:25:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:25:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:25:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:25:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:25:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:25:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:25:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:25:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:25:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:25:52,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:25:52,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163878208] [2021-11-20 07:25:52,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163878208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:25:52,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:25:52,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:25:52,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187577212] [2021-11-20 07:25:52,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:25:52,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:25:52,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:25:52,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:25:52,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:25:52,781 INFO L87 Difference]: Start difference. First operand 14300 states and 21349 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:26:02,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:26:04,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:26:07,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:26:09,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:26:10,669 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:26:13,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:26:13,555 INFO L93 Difference]: Finished difference Result 14865 states and 22509 transitions. [2021-11-20 07:26:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:26:13,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2021-11-20 07:26:13,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:26:13,630 INFO L225 Difference]: With dead ends: 14865 [2021-11-20 07:26:13,631 INFO L226 Difference]: Without dead ends: 14863 [2021-11-20 07:26:13,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:26:13,641 INFO L933 BasicCegarLoop]: 2344 mSDtfsCounter, 5308 mSDsluCounter, 1874 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 4006 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5469 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 8392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4006 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:26:13,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5469 Valid, 4218 Invalid, 8392 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4006 Valid, 4384 Invalid, 2 Unknown, 0 Unchecked, 19.5s Time] [2021-11-20 07:26:13,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14863 states. [2021-11-20 07:26:14,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14863 to 14298. [2021-11-20 07:26:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14298 states, 9193 states have (on average 1.2928315022299577) internal successors, (11885), 9942 states have internal predecessors, (11885), 3921 states have call successors, (3921), 998 states have call predecessors, (3921), 1161 states have return successors, (5539), 3729 states have call predecessors, (5539), 3919 states have call successors, (5539) [2021-11-20 07:26:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14298 states to 14298 states and 21345 transitions. [2021-11-20 07:26:15,043 INFO L78 Accepts]: Start accepts. Automaton has 14298 states and 21345 transitions. Word has length 101 [2021-11-20 07:26:15,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:26:15,044 INFO L470 AbstractCegarLoop]: Abstraction has 14298 states and 21345 transitions. [2021-11-20 07:26:15,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:26:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 14298 states and 21345 transitions. [2021-11-20 07:26:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-20 07:26:15,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:26:15,048 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] [2021-11-20 07:26:15,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:26:15,049 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:26:15,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:26:15,049 INFO L85 PathProgramCache]: Analyzing trace with hash 870562491, now seen corresponding path program 1 times [2021-11-20 07:26:15,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:26:15,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247712104] [2021-11-20 07:26:15,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:26:15,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:26:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:26:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:26:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:26:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:26:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:26:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:26:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:26:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:26:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:26:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:26:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:26:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-20 07:26:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:15,396 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:26:15,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:26:15,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247712104] [2021-11-20 07:26:15,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247712104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:26:15,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:26:15,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:26:15,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592467196] [2021-11-20 07:26:15,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:26:15,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:26:15,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:26:15,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:26:15,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:26:15,400 INFO L87 Difference]: Start difference. First operand 14298 states and 21345 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:26:19,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:26:19,579 INFO L93 Difference]: Finished difference Result 29166 states and 45928 transitions. [2021-11-20 07:26:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:26:19,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2021-11-20 07:26:19,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:26:19,658 INFO L225 Difference]: With dead ends: 29166 [2021-11-20 07:26:19,659 INFO L226 Difference]: Without dead ends: 15307 [2021-11-20 07:26:19,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:26:19,773 INFO L933 BasicCegarLoop]: 2702 mSDtfsCounter, 837 mSDsluCounter, 3276 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 663 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 5978 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 663 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:26:19,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [975 Valid, 5978 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [663 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-20 07:26:19,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15307 states. [2021-11-20 07:26:21,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15307 to 14350. [2021-11-20 07:26:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14350 states, 9237 states have (on average 1.291869654649778) internal successors, (11933), 9974 states have internal predecessors, (11933), 3929 states have call successors, (3929), 998 states have call predecessors, (3929), 1161 states have return successors, (5567), 3749 states have call predecessors, (5567), 3927 states have call successors, (5567) [2021-11-20 07:26:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14350 states to 14350 states and 21429 transitions. [2021-11-20 07:26:21,251 INFO L78 Accepts]: Start accepts. Automaton has 14350 states and 21429 transitions. Word has length 109 [2021-11-20 07:26:21,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:26:21,252 INFO L470 AbstractCegarLoop]: Abstraction has 14350 states and 21429 transitions. [2021-11-20 07:26:21,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:26:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 14350 states and 21429 transitions. [2021-11-20 07:26:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-20 07:26:21,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:26:21,255 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] [2021-11-20 07:26:21,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 07:26:21,256 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:26:21,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:26:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash -666089166, now seen corresponding path program 1 times [2021-11-20 07:26:21,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:26:21,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304397824] [2021-11-20 07:26:21,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:26:21,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:26:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:26:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:26:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:26:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:26:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:26:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:26:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:26:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:26:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:26:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:26:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:26:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 07:26:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:26:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:26:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:26:21,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:26:21,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304397824] [2021-11-20 07:26:21,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304397824] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:26:21,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:26:21,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:26:21,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679600538] [2021-11-20 07:26:21,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:26:21,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:26:21,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:26:21,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:26:21,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:26:21,741 INFO L87 Difference]: Start difference. First operand 14350 states and 21429 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-20 07:26:39,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:26:39,248 INFO L93 Difference]: Finished difference Result 34065 states and 54753 transitions. [2021-11-20 07:26:39,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 07:26:39,249 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 111 [2021-11-20 07:26:39,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:26:39,432 INFO L225 Difference]: With dead ends: 34065 [2021-11-20 07:26:39,432 INFO L226 Difference]: Without dead ends: 34063 [2021-11-20 07:26:39,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2021-11-20 07:26:39,451 INFO L933 BasicCegarLoop]: 3410 mSDtfsCounter, 7826 mSDsluCounter, 8331 mSDsCounter, 0 mSdLazyCounter, 12478 mSolverCounterSat, 5350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8177 SdHoareTripleChecker+Valid, 11741 SdHoareTripleChecker+Invalid, 17828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5350 IncrementalHoareTripleChecker+Valid, 12478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:26:39,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8177 Valid, 11741 Invalid, 17828 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5350 Valid, 12478 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2021-11-20 07:26:39,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34063 states. [2021-11-20 07:26:42,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34063 to 31083. [2021-11-20 07:26:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31083 states, 20209 states have (on average 1.2989757038943046) internal successors, (26251), 21808 states have internal predecessors, (26251), 8148 states have call successors, (8148), 2189 states have call predecessors, (8148), 2703 states have return successors, (14246), 7896 states have call predecessors, (14246), 8146 states have call successors, (14246) [2021-11-20 07:26:42,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31083 states to 31083 states and 48645 transitions. [2021-11-20 07:26:42,293 INFO L78 Accepts]: Start accepts. Automaton has 31083 states and 48645 transitions. Word has length 111 [2021-11-20 07:26:42,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:26:42,294 INFO L470 AbstractCegarLoop]: Abstraction has 31083 states and 48645 transitions. [2021-11-20 07:26:42,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-20 07:26:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 31083 states and 48645 transitions. [2021-11-20 07:26:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-20 07:26:42,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:26:42,299 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:26:42,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 07:26:42,299 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:26:42,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:26:42,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1413630446, now seen corresponding path program 1 times [2021-11-20 07:26:42,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:26:42,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442526763] [2021-11-20 07:26:42,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:26:42,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:26:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:26:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:26:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:26:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:26:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:26:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:26:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:26:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:26:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:26:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:26:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:26:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:26:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:26:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:26:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:26:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:26:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:26:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:26:42,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:26:42,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442526763] [2021-11-20 07:26:42,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442526763] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:26:42,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:26:42,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:26:42,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116564541] [2021-11-20 07:26:42,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:26:42,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:26:42,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:26:42,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:26:42,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:26:42,810 INFO L87 Difference]: Start difference. First operand 31083 states and 48645 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 07:26:56,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:26:59,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:01,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:03,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:05,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:08,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:08,292 INFO L93 Difference]: Finished difference Result 32405 states and 51732 transitions. [2021-11-20 07:27:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:27:08,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2021-11-20 07:27:08,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:08,402 INFO L225 Difference]: With dead ends: 32405 [2021-11-20 07:27:08,402 INFO L226 Difference]: Without dead ends: 32403 [2021-11-20 07:27:08,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:27:08,415 INFO L933 BasicCegarLoop]: 2340 mSDtfsCounter, 5305 mSDsluCounter, 1872 mSDsCounter, 0 mSdLazyCounter, 4368 mSolverCounterSat, 4015 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 4212 SdHoareTripleChecker+Invalid, 8386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4015 IncrementalHoareTripleChecker+Valid, 4368 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:08,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5466 Valid, 4212 Invalid, 8386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4015 Valid, 4368 Invalid, 3 Unknown, 0 Unchecked, 22.3s Time] [2021-11-20 07:27:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32403 states. [2021-11-20 07:27:11,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32403 to 31081. [2021-11-20 07:27:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31081 states, 20208 states have (on average 1.2988420427553444) internal successors, (26247), 21806 states have internal predecessors, (26247), 8148 states have call successors, (8148), 2189 states have call predecessors, (8148), 2703 states have return successors, (14246), 7896 states have call predecessors, (14246), 8146 states have call successors, (14246) [2021-11-20 07:27:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31081 states to 31081 states and 48641 transitions. [2021-11-20 07:27:11,477 INFO L78 Accepts]: Start accepts. Automaton has 31081 states and 48641 transitions. Word has length 107 [2021-11-20 07:27:11,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:11,478 INFO L470 AbstractCegarLoop]: Abstraction has 31081 states and 48641 transitions. [2021-11-20 07:27:11,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 07:27:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 31081 states and 48641 transitions. [2021-11-20 07:27:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-20 07:27:11,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:11,484 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:11,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 07:27:11,484 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:27:11,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:11,485 INFO L85 PathProgramCache]: Analyzing trace with hash 320895683, now seen corresponding path program 1 times [2021-11-20 07:27:11,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:11,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165861652] [2021-11-20 07:27:11,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:11,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:27:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:27:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:27:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:27:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:27:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:27:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:27:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:27:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:27:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:27:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:27:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 07:27:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:27:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:27:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:27:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-20 07:27:12,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:12,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165861652] [2021-11-20 07:27:12,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165861652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:12,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:27:12,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:27:12,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208994660] [2021-11-20 07:27:12,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:12,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:27:12,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:12,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:27:12,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:27:12,057 INFO L87 Difference]: Start difference. First operand 31081 states and 48641 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-20 07:27:27,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:27:27,969 INFO L93 Difference]: Finished difference Result 39997 states and 67279 transitions. [2021-11-20 07:27:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:27:27,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 117 [2021-11-20 07:27:27,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:27:28,153 INFO L225 Difference]: With dead ends: 39997 [2021-11-20 07:27:28,153 INFO L226 Difference]: Without dead ends: 39995 [2021-11-20 07:27:28,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:27:28,170 INFO L933 BasicCegarLoop]: 4890 mSDtfsCounter, 4501 mSDsluCounter, 11611 mSDsCounter, 0 mSdLazyCounter, 9609 mSolverCounterSat, 3625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5007 SdHoareTripleChecker+Valid, 16501 SdHoareTripleChecker+Invalid, 13234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3625 IncrementalHoareTripleChecker+Valid, 9609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:27:28,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5007 Valid, 16501 Invalid, 13234 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3625 Valid, 9609 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2021-11-20 07:27:28,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39995 states. [2021-11-20 07:27:31,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39995 to 36489. [2021-11-20 07:27:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36489 states, 23682 states have (on average 1.293936322945697) internal successors, (30643), 25482 states have internal predecessors, (30643), 9516 states have call successors, (9516), 2199 states have call predecessors, (9516), 3269 states have return successors, (19052), 9744 states have call predecessors, (19052), 9514 states have call successors, (19052) [2021-11-20 07:27:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36489 states to 36489 states and 59211 transitions. [2021-11-20 07:27:32,212 INFO L78 Accepts]: Start accepts. Automaton has 36489 states and 59211 transitions. Word has length 117 [2021-11-20 07:27:32,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:27:32,213 INFO L470 AbstractCegarLoop]: Abstraction has 36489 states and 59211 transitions. [2021-11-20 07:27:32,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-20 07:27:32,213 INFO L276 IsEmpty]: Start isEmpty. Operand 36489 states and 59211 transitions. [2021-11-20 07:27:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-20 07:27:32,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:27:32,217 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:27:32,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 07:27:32,217 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:27:32,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:27:32,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1271152476, now seen corresponding path program 1 times [2021-11-20 07:27:32,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:27:32,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162535895] [2021-11-20 07:27:32,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:27:32,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:27:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:27:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:27:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:27:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:27:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:27:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:27:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:27:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:27:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:27:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:27:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:27:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:27:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:27:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:27:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:27:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:27:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:27:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:27:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:27:32,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:27:32,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162535895] [2021-11-20 07:27:32,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162535895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:27:32,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:27:32,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:27:32,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401468256] [2021-11-20 07:27:32,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:27:32,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:27:32,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:27:32,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:27:32,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:27:32,739 INFO L87 Difference]: Start difference. First operand 36489 states and 59211 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:27:42,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:43,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:47,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:51,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:53,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:27:55,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:05,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:08,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:28:08,510 INFO L93 Difference]: Finished difference Result 37905 states and 62833 transitions. [2021-11-20 07:28:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:28:08,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2021-11-20 07:28:08,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:28:08,659 INFO L225 Difference]: With dead ends: 37905 [2021-11-20 07:28:08,659 INFO L226 Difference]: Without dead ends: 37903 [2021-11-20 07:28:08,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:28:08,675 INFO L933 BasicCegarLoop]: 2335 mSDtfsCounter, 7994 mSDsluCounter, 2249 mSDsCounter, 0 mSdLazyCounter, 7168 mSolverCounterSat, 6191 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8155 SdHoareTripleChecker+Valid, 4584 SdHoareTripleChecker+Invalid, 13363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6191 IncrementalHoareTripleChecker+Valid, 7168 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:28:08,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8155 Valid, 4584 Invalid, 13363 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6191 Valid, 7168 Invalid, 4 Unknown, 0 Unchecked, 31.9s Time] [2021-11-20 07:28:08,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37903 states. [2021-11-20 07:28:12,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37903 to 36487. [2021-11-20 07:28:12,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36487 states, 23681 states have (on average 1.2938220514336387) internal successors, (30639), 25480 states have internal predecessors, (30639), 9516 states have call successors, (9516), 2199 states have call predecessors, (9516), 3269 states have return successors, (19052), 9744 states have call predecessors, (19052), 9514 states have call successors, (19052) [2021-11-20 07:28:12,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36487 states to 36487 states and 59207 transitions. [2021-11-20 07:28:12,377 INFO L78 Accepts]: Start accepts. Automaton has 36487 states and 59207 transitions. Word has length 113 [2021-11-20 07:28:12,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:28:12,377 INFO L470 AbstractCegarLoop]: Abstraction has 36487 states and 59207 transitions. [2021-11-20 07:28:12,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:28:12,378 INFO L276 IsEmpty]: Start isEmpty. Operand 36487 states and 59207 transitions. [2021-11-20 07:28:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-20 07:28:12,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:28:12,382 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:28:12,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 07:28:12,383 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:28:12,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:28:12,384 INFO L85 PathProgramCache]: Analyzing trace with hash -777627425, now seen corresponding path program 1 times [2021-11-20 07:28:12,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:28:12,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576500377] [2021-11-20 07:28:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:28:12,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:28:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:28:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-20 07:28:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:28:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:28:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:12,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 07:28:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:12,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:28:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:28:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:28:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:28:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:28:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:28:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:28:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:28:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:28:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:28:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 07:28:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:28:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:28:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 07:28:13,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:28:13,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576500377] [2021-11-20 07:28:13,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576500377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:28:13,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:28:13,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:28:13,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581626234] [2021-11-20 07:28:13,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:28:13,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:28:13,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:28:13,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:28:13,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:28:13,175 INFO L87 Difference]: Start difference. First operand 36487 states and 59207 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:28:24,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:25,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:28,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:32,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:34,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:36,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:46,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:48,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:50,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:52,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:28:55,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:28:55,021 INFO L93 Difference]: Finished difference Result 37903 states and 62829 transitions. [2021-11-20 07:28:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:28:55,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 5 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 119 [2021-11-20 07:28:55,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:28:55,169 INFO L225 Difference]: With dead ends: 37903 [2021-11-20 07:28:55,169 INFO L226 Difference]: Without dead ends: 37901 [2021-11-20 07:28:55,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:28:55,187 INFO L933 BasicCegarLoop]: 2337 mSDtfsCounter, 7982 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 7158 mSolverCounterSat, 6193 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8141 SdHoareTripleChecker+Valid, 4589 SdHoareTripleChecker+Invalid, 13357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6193 IncrementalHoareTripleChecker+Valid, 7158 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:28:55,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8141 Valid, 4589 Invalid, 13357 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6193 Valid, 7158 Invalid, 6 Unknown, 0 Unchecked, 38.1s Time] [2021-11-20 07:28:55,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37901 states. [2021-11-20 07:28:58,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37901 to 36485. [2021-11-20 07:28:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36485 states, 23680 states have (on average 1.2937077702702702) internal successors, (30635), 25478 states have internal predecessors, (30635), 9516 states have call successors, (9516), 2199 states have call predecessors, (9516), 3269 states have return successors, (19052), 9744 states have call predecessors, (19052), 9514 states have call successors, (19052) [2021-11-20 07:28:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36485 states to 36485 states and 59203 transitions. [2021-11-20 07:28:58,929 INFO L78 Accepts]: Start accepts. Automaton has 36485 states and 59203 transitions. Word has length 119 [2021-11-20 07:28:58,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:28:58,929 INFO L470 AbstractCegarLoop]: Abstraction has 36485 states and 59203 transitions. [2021-11-20 07:28:58,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:28:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 36485 states and 59203 transitions. [2021-11-20 07:28:58,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-20 07:28:58,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:28:58,934 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-20 07:28:58,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 07:28:58,935 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:28:58,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:28:58,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2009349050, now seen corresponding path program 1 times [2021-11-20 07:28:58,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:28:58,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304739099] [2021-11-20 07:28:58,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:28:58,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:28:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:28:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:28:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:28:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:28:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:28:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:28:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:28:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:28:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:28:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:28:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:28:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-20 07:28:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:28:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 07:28:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 07:28:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-20 07:28:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:28:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-20 07:28:59,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:28:59,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304739099] [2021-11-20 07:28:59,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304739099] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:28:59,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:28:59,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:28:59,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287208925] [2021-11-20 07:28:59,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:28:59,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:28:59,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:28:59,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:28:59,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:28:59,716 INFO L87 Difference]: Start difference. First operand 36485 states and 59203 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 07:29:09,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:29:13,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:29:15,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:29:19,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:29:29,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:29:29,790 INFO L93 Difference]: Finished difference Result 59394 states and 110660 transitions. [2021-11-20 07:29:29,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 07:29:29,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 126 [2021-11-20 07:29:29,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:29:30,176 INFO L225 Difference]: With dead ends: 59394 [2021-11-20 07:29:30,176 INFO L226 Difference]: Without dead ends: 59392 [2021-11-20 07:29:30,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-20 07:29:30,201 INFO L933 BasicCegarLoop]: 2802 mSDtfsCounter, 7084 mSDsluCounter, 8161 mSDsCounter, 0 mSdLazyCounter, 8039 mSolverCounterSat, 5680 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7518 SdHoareTripleChecker+Valid, 10963 SdHoareTripleChecker+Invalid, 13721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5680 IncrementalHoareTripleChecker+Valid, 8039 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:29:30,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7518 Valid, 10963 Invalid, 13721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5680 Valid, 8039 Invalid, 2 Unknown, 0 Unchecked, 24.3s Time] [2021-11-20 07:29:30,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59392 states. [2021-11-20 07:29:35,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59392 to 51439. [2021-11-20 07:29:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51439 states, 33358 states have (on average 1.287757059775766) internal successors, (42957), 35952 states have internal predecessors, (42957), 13094 states have call successors, (13094), 3175 states have call predecessors, (13094), 4967 states have return successors, (31762), 13554 states have call predecessors, (31762), 13092 states have call successors, (31762) [2021-11-20 07:29:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51439 states to 51439 states and 87813 transitions. [2021-11-20 07:29:36,665 INFO L78 Accepts]: Start accepts. Automaton has 51439 states and 87813 transitions. Word has length 126 [2021-11-20 07:29:36,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:29:36,666 INFO L470 AbstractCegarLoop]: Abstraction has 51439 states and 87813 transitions. [2021-11-20 07:29:36,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 07:29:36,667 INFO L276 IsEmpty]: Start isEmpty. Operand 51439 states and 87813 transitions. [2021-11-20 07:29:36,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-20 07:29:36,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:29:36,672 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] [2021-11-20 07:29:36,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 07:29:36,673 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:29:36,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:29:36,673 INFO L85 PathProgramCache]: Analyzing trace with hash 546580321, now seen corresponding path program 1 times [2021-11-20 07:29:36,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:29:36,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572648390] [2021-11-20 07:29:36,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:29:36,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:29:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:36,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:29:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:29:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:36,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:29:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:29:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:29:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:29:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:29:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:37,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:29:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:29:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:29:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:29:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-20 07:29:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-20 07:29:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:29:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:29:37,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:29:37,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572648390] [2021-11-20 07:29:37,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572648390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:29:37,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:29:37,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:29:37,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956153504] [2021-11-20 07:29:37,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:29:37,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:29:37,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:29:37,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:29:37,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:29:37,073 INFO L87 Difference]: Start difference. First operand 51439 states and 87813 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 07:29:46,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:29:51,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:29:57,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:29:57,427 INFO L93 Difference]: Finished difference Result 110207 states and 219265 transitions. [2021-11-20 07:29:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:29:57,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2021-11-20 07:29:57,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:29:57,844 INFO L225 Difference]: With dead ends: 110207 [2021-11-20 07:29:57,844 INFO L226 Difference]: Without dead ends: 59250 [2021-11-20 07:29:58,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:29:58,242 INFO L933 BasicCegarLoop]: 2640 mSDtfsCounter, 1640 mSDsluCounter, 4068 mSDsCounter, 0 mSdLazyCounter, 2629 mSolverCounterSat, 1645 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1711 SdHoareTripleChecker+Valid, 6708 SdHoareTripleChecker+Invalid, 4275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1645 IncrementalHoareTripleChecker+Valid, 2629 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:29:58,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1711 Valid, 6708 Invalid, 4275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1645 Valid, 2629 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2021-11-20 07:29:58,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59250 states. [2021-11-20 07:30:04,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59250 to 51467. [2021-11-20 07:30:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51467 states, 33386 states have (on average 1.2875157251542564) internal successors, (42985), 35980 states have internal predecessors, (42985), 13094 states have call successors, (13094), 3175 states have call predecessors, (13094), 4967 states have return successors, (31762), 13554 states have call predecessors, (31762), 13092 states have call successors, (31762) [2021-11-20 07:30:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51467 states to 51467 states and 87841 transitions. [2021-11-20 07:30:04,766 INFO L78 Accepts]: Start accepts. Automaton has 51467 states and 87841 transitions. Word has length 128 [2021-11-20 07:30:04,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:30:04,766 INFO L470 AbstractCegarLoop]: Abstraction has 51467 states and 87841 transitions. [2021-11-20 07:30:04,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 07:30:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 51467 states and 87841 transitions. [2021-11-20 07:30:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-20 07:30:04,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:30:04,773 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] [2021-11-20 07:30:04,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 07:30:04,774 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-20 07:30:04,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:30:04,774 INFO L85 PathProgramCache]: Analyzing trace with hash 969282147, now seen corresponding path program 1 times [2021-11-20 07:30:04,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:30:04,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945556651] [2021-11-20 07:30:04,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:30:04,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:30:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:30:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:30:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 07:30:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 07:30:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:30:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:30:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:30:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:30:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:30:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-20 07:30:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-20 07:30:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:30:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-20 07:30:05,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:30:05,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945556651] [2021-11-20 07:30:05,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945556651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:30:05,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:30:05,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:30:05,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534505814] [2021-11-20 07:30:05,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:30:05,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:30:05,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:30:05,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:30:05,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:30:05,341 INFO L87 Difference]: Start difference. First operand 51467 states and 87841 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 07:30:20,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:30:25,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:30:27,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:30:29,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:30:32,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:30:34,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:30:41,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:30:41,305 INFO L93 Difference]: Finished difference Result 85517 states and 164536 transitions. [2021-11-20 07:30:41,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:30:41,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2021-11-20 07:30:41,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:30:41,817 INFO L225 Difference]: With dead ends: 85517 [2021-11-20 07:30:41,817 INFO L226 Difference]: Without dead ends: 85515 [2021-11-20 07:30:41,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:30:41,856 INFO L933 BasicCegarLoop]: 2934 mSDtfsCounter, 5214 mSDsluCounter, 8408 mSDsCounter, 0 mSdLazyCounter, 5619 mSolverCounterSat, 3383 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5670 SdHoareTripleChecker+Valid, 11342 SdHoareTripleChecker+Invalid, 9007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3383 IncrementalHoareTripleChecker+Valid, 5619 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2021-11-20 07:30:41,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5670 Valid, 11342 Invalid, 9007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3383 Valid, 5619 Invalid, 5 Unknown, 0 Unchecked, 27.4s Time] [2021-11-20 07:30:41,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85515 states.