./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--xen--xen-pciback--xen-pciback.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_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/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_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/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_acb05802-a16d-468e-afa6-9eccad8e7457/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 668079de19bf0a3b986283cdf2026e08e0cc89de10c7b91fb412db22c303859d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:38:49,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:38:49,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:38:49,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:38:49,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:38:49,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:38:49,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:38:49,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:38:49,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:38:49,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:38:49,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:38:49,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:38:49,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:38:49,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:38:49,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:38:49,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:38:49,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:38:49,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:38:49,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:38:49,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:38:49,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:38:49,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:38:49,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:38:49,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:38:49,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:38:49,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:38:49,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:38:49,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:38:49,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:38:49,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:38:49,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:38:49,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:38:49,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:38:49,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:38:49,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:38:49,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:38:49,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:38:49,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:38:49,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:38:49,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:38:49,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:38:49,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:38:49,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:38:49,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:38:49,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:38:49,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:38:49,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:38:49,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:38:49,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:38:49,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:38:49,826 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:38:49,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:38:49,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:38:49,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:38:49,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:38:49,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:38:49,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:38:49,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:38:49,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:38:49,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:38:49,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:38:49,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:38:49,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:38:49,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:38:49,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:38:49,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:38:49,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:38:49,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:38:49,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:38:49,831 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:38:49,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:38:49,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:38:49,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:38:49,832 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_acb05802-a16d-468e-afa6-9eccad8e7457/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 668079de19bf0a3b986283cdf2026e08e0cc89de10c7b91fb412db22c303859d [2021-11-20 07:38:50,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:38:50,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:38:50,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:38:50,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:38:50,123 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:38:50,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-20 07:38:50,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/data/50ff6850a/054fafd7d00442958b2ad72d5b7312f4/FLAG265dfb09f [2021-11-20 07:38:51,438 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:38:51,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-20 07:38:51,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/data/50ff6850a/054fafd7d00442958b2ad72d5b7312f4/FLAG265dfb09f [2021-11-20 07:38:51,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/data/50ff6850a/054fafd7d00442958b2ad72d5b7312f4 [2021-11-20 07:38:51,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:38:51,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:38:51,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:38:51,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:38:51,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:38:51,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:38:51" (1/1) ... [2021-11-20 07:38:51,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1230698e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:38:51, skipping insertion in model container [2021-11-20 07:38:51,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:38:51" (1/1) ... [2021-11-20 07:38:51,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:38:51,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:39:00,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575119,575132] [2021-11-20 07:39:00,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575264,575277] [2021-11-20 07:39:00,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575410,575423] [2021-11-20 07:39:00,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575575,575588] [2021-11-20 07:39:00,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575733,575746] [2021-11-20 07:39:00,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575891,575904] [2021-11-20 07:39:00,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576049,576062] [2021-11-20 07:39:00,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576209,576222] [2021-11-20 07:39:00,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576368,576381] [2021-11-20 07:39:00,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576507,576520] [2021-11-20 07:39:00,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576649,576662] [2021-11-20 07:39:00,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576798,576811] [2021-11-20 07:39:00,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576937,576950] [2021-11-20 07:39:00,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577092,577105] [2021-11-20 07:39:00,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577252,577265] [2021-11-20 07:39:00,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577403,577416] [2021-11-20 07:39:00,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577554,577567] [2021-11-20 07:39:00,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577706,577719] [2021-11-20 07:39:00,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577855,577868] [2021-11-20 07:39:00,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578003,578016] [2021-11-20 07:39:00,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578160,578173] [2021-11-20 07:39:00,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578309,578322] [2021-11-20 07:39:00,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578465,578478] [2021-11-20 07:39:00,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578618,578631] [2021-11-20 07:39:00,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578764,578777] [2021-11-20 07:39:00,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578907,578920] [2021-11-20 07:39:00,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579059,579072] [2021-11-20 07:39:00,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579205,579218] [2021-11-20 07:39:00,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579350,579363] [2021-11-20 07:39:00,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579504,579517] [2021-11-20 07:39:00,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579655,579668] [2021-11-20 07:39:00,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579810,579823] [2021-11-20 07:39:00,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579962,579975] [2021-11-20 07:39:00,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580117,580130] [2021-11-20 07:39:00,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580281,580294] [2021-11-20 07:39:00,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580437,580450] [2021-11-20 07:39:00,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580601,580614] [2021-11-20 07:39:00,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580743,580756] [2021-11-20 07:39:00,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580901,580914] [2021-11-20 07:39:00,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581068,581081] [2021-11-20 07:39:00,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581227,581240] [2021-11-20 07:39:00,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581386,581399] [2021-11-20 07:39:00,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581535,581548] [2021-11-20 07:39:00,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581682,581695] [2021-11-20 07:39:00,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581821,581834] [2021-11-20 07:39:00,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581984,581997] [2021-11-20 07:39:00,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582150,582163] [2021-11-20 07:39:00,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582314,582327] [2021-11-20 07:39:00,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582479,582492] [2021-11-20 07:39:00,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582644,582657] [2021-11-20 07:39:00,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582810,582823] [2021-11-20 07:39:00,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582975,582988] [2021-11-20 07:39:00,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583142,583155] [2021-11-20 07:39:00,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583302,583315] [2021-11-20 07:39:00,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583464,583477] [2021-11-20 07:39:00,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583623,583636] [2021-11-20 07:39:00,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583769,583782] [2021-11-20 07:39:00,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583912,583925] [2021-11-20 07:39:00,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584056,584069] [2021-11-20 07:39:00,269 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584199,584212] [2021-11-20 07:39:00,269 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584343,584356] [2021-11-20 07:39:00,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584484,584497] [2021-11-20 07:39:00,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584622,584635] [2021-11-20 07:39:00,271 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584780,584793] [2021-11-20 07:39:00,271 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584939,584952] [2021-11-20 07:39:00,272 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585095,585108] [2021-11-20 07:39:00,273 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585244,585257] [2021-11-20 07:39:00,273 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585396,585409] [2021-11-20 07:39:00,274 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585547,585560] [2021-11-20 07:39:00,274 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585696,585709] [2021-11-20 07:39:00,275 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585848,585861] [2021-11-20 07:39:00,275 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585996,586009] [2021-11-20 07:39:00,275 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586149,586162] [2021-11-20 07:39:00,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586300,586313] [2021-11-20 07:39:00,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586450,586463] [2021-11-20 07:39:00,278 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586597,586610] [2021-11-20 07:39:00,278 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586748,586761] [2021-11-20 07:39:00,279 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586899,586912] [2021-11-20 07:39:00,279 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587047,587060] [2021-11-20 07:39:00,280 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587213,587226] [2021-11-20 07:39:00,280 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587382,587395] [2021-11-20 07:39:00,281 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587549,587562] [2021-11-20 07:39:00,281 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587717,587730] [2021-11-20 07:39:00,281 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587867,587880] [2021-11-20 07:39:00,282 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588014,588027] [2021-11-20 07:39:00,283 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588175,588188] [2021-11-20 07:39:00,283 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588345,588358] [2021-11-20 07:39:00,284 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_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588507,588520] [2021-11-20 07:39:00,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:39:00,398 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:39:01,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575119,575132] [2021-11-20 07:39:01,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575264,575277] [2021-11-20 07:39:01,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575410,575423] [2021-11-20 07:39:01,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575575,575588] [2021-11-20 07:39:01,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575733,575746] [2021-11-20 07:39:01,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575891,575904] [2021-11-20 07:39:01,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576049,576062] [2021-11-20 07:39:01,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576209,576222] [2021-11-20 07:39:01,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576368,576381] [2021-11-20 07:39:01,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576507,576520] [2021-11-20 07:39:01,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576649,576662] [2021-11-20 07:39:01,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576798,576811] [2021-11-20 07:39:01,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576937,576950] [2021-11-20 07:39:01,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577092,577105] [2021-11-20 07:39:01,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577252,577265] [2021-11-20 07:39:01,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577403,577416] [2021-11-20 07:39:01,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577554,577567] [2021-11-20 07:39:01,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577706,577719] [2021-11-20 07:39:01,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577855,577868] [2021-11-20 07:39:01,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578003,578016] [2021-11-20 07:39:01,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578160,578173] [2021-11-20 07:39:01,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578309,578322] [2021-11-20 07:39:01,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578465,578478] [2021-11-20 07:39:01,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578618,578631] [2021-11-20 07:39:01,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578764,578777] [2021-11-20 07:39:01,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578907,578920] [2021-11-20 07:39:01,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579059,579072] [2021-11-20 07:39:01,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579205,579218] [2021-11-20 07:39:01,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579350,579363] [2021-11-20 07:39:01,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579504,579517] [2021-11-20 07:39:01,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579655,579668] [2021-11-20 07:39:01,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579810,579823] [2021-11-20 07:39:01,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579962,579975] [2021-11-20 07:39:01,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580117,580130] [2021-11-20 07:39:01,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580281,580294] [2021-11-20 07:39:01,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580437,580450] [2021-11-20 07:39:01,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580601,580614] [2021-11-20 07:39:01,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580743,580756] [2021-11-20 07:39:01,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580901,580914] [2021-11-20 07:39:01,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581068,581081] [2021-11-20 07:39:01,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581227,581240] [2021-11-20 07:39:01,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581386,581399] [2021-11-20 07:39:01,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581535,581548] [2021-11-20 07:39:01,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581682,581695] [2021-11-20 07:39:01,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581821,581834] [2021-11-20 07:39:01,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581984,581997] [2021-11-20 07:39:01,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582150,582163] [2021-11-20 07:39:01,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582314,582327] [2021-11-20 07:39:01,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582479,582492] [2021-11-20 07:39:01,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582644,582657] [2021-11-20 07:39:01,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582810,582823] [2021-11-20 07:39:01,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582975,582988] [2021-11-20 07:39:01,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583142,583155] [2021-11-20 07:39:01,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583302,583315] [2021-11-20 07:39:01,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583464,583477] [2021-11-20 07:39:01,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583623,583636] [2021-11-20 07:39:01,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583769,583782] [2021-11-20 07:39:01,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583912,583925] [2021-11-20 07:39:01,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584056,584069] [2021-11-20 07:39:01,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584199,584212] [2021-11-20 07:39:01,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584343,584356] [2021-11-20 07:39:01,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584484,584497] [2021-11-20 07:39:01,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584622,584635] [2021-11-20 07:39:01,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584780,584793] [2021-11-20 07:39:01,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584939,584952] [2021-11-20 07:39:01,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585095,585108] [2021-11-20 07:39:01,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585244,585257] [2021-11-20 07:39:01,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585396,585409] [2021-11-20 07:39:01,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585547,585560] [2021-11-20 07:39:01,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585696,585709] [2021-11-20 07:39:01,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585848,585861] [2021-11-20 07:39:01,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585996,586009] [2021-11-20 07:39:01,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586149,586162] [2021-11-20 07:39:01,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586300,586313] [2021-11-20 07:39:01,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586450,586463] [2021-11-20 07:39:01,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586597,586610] [2021-11-20 07:39:01,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586748,586761] [2021-11-20 07:39:01,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586899,586912] [2021-11-20 07:39:01,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587047,587060] [2021-11-20 07:39:01,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587213,587226] [2021-11-20 07:39:01,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587382,587395] [2021-11-20 07:39:01,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587549,587562] [2021-11-20 07:39:01,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587717,587730] [2021-11-20 07:39:01,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587867,587880] [2021-11-20 07:39:01,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588014,588027] [2021-11-20 07:39:01,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588175,588188] [2021-11-20 07:39:01,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588345,588358] [2021-11-20 07:39:01,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588507,588520] [2021-11-20 07:39:01,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:39:01,586 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:39:01,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01 WrapperNode [2021-11-20 07:39:01,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:39:01,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:39:01,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:39:01,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:39:01,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:01,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:02,275 INFO L137 Inliner]: procedures = 883, calls = 4926, calls flagged for inlining = 455, calls inlined = 372, statements flattened = 12026 [2021-11-20 07:39:02,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:39:02,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:39:02,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:39:02,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:39:02,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:02,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:02,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:02,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:02,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:02,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:02,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:02,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:39:02,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:39:02,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:39:02,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:39:02,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (1/1) ... [2021-11-20 07:39:02,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:39:02,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:39:03,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:39:03,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acb05802-a16d-468e-afa6-9eccad8e7457/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:39:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_export_device [2021-11-20 07:39:03,066 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_export_device [2021-11-20 07:39:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_vpci_dev_data [2021-11-20 07:39:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_vpci_dev_data [2021-11-20 07:39:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock___0 [2021-11-20 07:39:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock___0 [2021-11-20 07:39:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure HYPERVISOR_physdev_op [2021-11-20 07:39:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure HYPERVISOR_physdev_op [2021-11-20 07:39:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_bar [2021-11-20 07:39:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_bar [2021-11-20 07:39:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-11-20 07:39:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-11-20 07:39:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 07:39:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 07:39:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev [2021-11-20 07:39:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev [2021-11-20 07:39:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 07:39:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 07:39:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_write_config_byte [2021-11-20 07:39:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_write_config_byte [2021-11-20 07:39:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2021-11-20 07:39:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2021-11-20 07:39:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 07:39:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 07:39:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 07:39:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 07:39:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_dev_lock_of_xen_pcibk_device [2021-11-20 07:39:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_dev_lock_of_xen_pcibk_device [2021-11-20 07:39:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_control_isr [2021-11-20 07:39:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_control_isr [2021-11-20 07:39:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure vpd_address_write [2021-11-20 07:39:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vpd_address_write [2021-11-20 07:39:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 07:39:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 07:39:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure valid_request [2021-11-20 07:39:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_request [2021-11-20 07:39:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2021-11-20 07:39:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2021-11-20 07:39:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 07:39:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 07:39:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure rom_write [2021-11-20 07:39:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_write [2021-11-20 07:39:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-20 07:39:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-20 07:39:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_read_config_byte [2021-11-20 07:39:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_read_config_byte [2021-11-20 07:39:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 07:39:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 07:39:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-20 07:39:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-20 07:39:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-11-20 07:39:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-11-20 07:39:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 07:39:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 07:39:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_remove [2021-11-20 07:39:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_remove [2021-11-20 07:39:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 07:39:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 07:39:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:39:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 07:39:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 07:39:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock___0 [2021-11-20 07:39:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock___0 [2021-11-20 07:39:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get [2021-11-20 07:39:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get [2021-11-20 07:39:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 07:39:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 07:39:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 07:39:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 07:39:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-20 07:39:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-20 07:39:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields [2021-11-20 07:39:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields [2021-11-20 07:39:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-20 07:39:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-20 07:39:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 07:39:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 07:39:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:39:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:39:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-11-20 07:39:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-11-20 07:39:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:39:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 07:39:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 07:39:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:39:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 07:39:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 07:39:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:39:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-20 07:39:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-20 07:39:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-11-20 07:39:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-11-20 07:39:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2021-11-20 07:39:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2021-11-20 07:39:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure pm_ctrl_init [2021-11-20 07:39:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_ctrl_init [2021-11-20 07:39:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2021-11-20 07:39:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2021-11-20 07:39:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-20 07:39:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-20 07:39:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_quirk_show [2021-11-20 07:39:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_quirk_show [2021-11-20 07:39:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 07:39:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 07:39:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_disconnect [2021-11-20 07:39:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_disconnect [2021-11-20 07:39:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_read_config_dword [2021-11-20 07:39:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_read_config_dword [2021-11-20 07:39:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 07:39:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 07:39:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:39:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:39:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_handle_event [2021-11-20 07:39:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_handle_event [2021-11-20 07:39:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_slot_show [2021-11-20 07:39:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_slot_show [2021-11-20 07:39:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_read [2021-11-20 07:39:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_read [2021-11-20 07:39:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2021-11-20 07:39:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2021-11-20 07:39:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices [2021-11-20 07:39:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices [2021-11-20 07:39:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 07:39:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 07:39:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots [2021-11-20 07:39:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots [2021-11-20 07:39:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dev [2021-11-20 07:39:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dev [2021-11-20 07:39:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-20 07:39:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-20 07:39:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_init_device [2021-11-20 07:39:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_init_device [2021-11-20 07:39:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-20 07:39:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-20 07:39:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 07:39:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 07:39:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:39:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 07:39:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 07:39:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 07:39:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 07:39:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-11-20 07:39:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-11-20 07:39:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure kill_domain_by_device [2021-11-20 07:39:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_domain_by_device [2021-11-20 07:39:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-20 07:39:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-20 07:39:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:39:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure xen_find_device_domain_owner [2021-11-20 07:39:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_find_device_domain_owner [2021-11-20 07:39:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_add [2021-11-20 07:39:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_add [2021-11-20 07:39:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_read_config_word [2021-11-20 07:39:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_read_config_word [2021-11-20 07:39:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_show [2021-11-20 07:39:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_show [2021-11-20 07:39:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-20 07:39:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-20 07:39:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 07:39:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 07:39:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure bar_init [2021-11-20 07:39:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure bar_init [2021-11-20 07:39:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_dev_lock_of_xen_pcibk_device [2021-11-20 07:39:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_dev_lock_of_xen_pcibk_device [2021-11-20 07:39:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field_offset [2021-11-20 07:39:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field_offset [2021-11-20 07:39:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 07:39:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 07:39:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-20 07:39:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-20 07:39:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 07:39:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 07:39:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-20 07:39:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-20 07:39:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 07:39:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 07:39:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 07:39:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 07:39:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 07:39:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 07:39:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 07:39:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 07:39:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:39:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:39:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:39:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 07:39:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 07:39:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_pcistub_devices_lock [2021-11-20 07:39:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_pcistub_devices_lock [2021-11-20 07:39:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure register_capability [2021-11-20 07:39:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure register_capability [2021-11-20 07:39:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-20 07:39:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-20 07:39:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure get_mask [2021-11-20 07:39:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mask [2021-11-20 07:39:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2021-11-20 07:39:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2021-11-20 07:39:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2021-11-20 07:39:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2021-11-20 07:39:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure pm_ctrl_write [2021-11-20 07:39:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_ctrl_write [2021-11-20 07:39:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev [2021-11-20 07:39:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev [2021-11-20 07:39:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2021-11-20 07:39:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2021-11-20 07:39:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pcistub_device [2021-11-20 07:39:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pcistub_device [2021-11-20 07:39:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_passthrough_dev_data [2021-11-20 07:39:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_passthrough_dev_data [2021-11-20 07:39:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 07:39:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 07:39:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 07:39:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 07:39:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2021-11-20 07:39:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2021-11-20 07:39:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-20 07:39:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-20 07:39:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2021-11-20 07:39:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2021-11-20 07:39:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:39:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:39:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-20 07:39:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-20 07:39:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_attach [2021-11-20 07:39:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_attach [2021-11-20 07:39:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibios_err_to_errno [2021-11-20 07:39:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibios_err_to_errno [2021-11-20 07:39:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2021-11-20 07:39:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2021-11-20 07:39:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_get_pci_dev [2021-11-20 07:39:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_get_pci_dev [2021-11-20 07:39:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-20 07:39:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-20 07:39:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 07:39:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 07:39:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 07:39:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 07:39:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 07:39:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 07:39:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field [2021-11-20 07:39:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field [2021-11-20 07:39:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-20 07:39:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-20 07:39:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure bar_release [2021-11-20 07:39:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bar_release [2021-11-20 07:39:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:39:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_find [2021-11-20 07:39:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_find [2021-11-20 07:39:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 07:39:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 07:39:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_device_domain_owner [2021-11-20 07:39:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_device_domain_owner [2021-11-20 07:39:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-20 07:39:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-20 07:39:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:39:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-20 07:39:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-20 07:39:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 07:39:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 07:39:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2021-11-20 07:39:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2021-11-20 07:39:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure bar_read [2021-11-20 07:39:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bar_read [2021-11-20 07:39:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 07:39:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 07:39:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 07:39:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 07:39:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read_driver_state [2021-11-20 07:39:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read_driver_state [2021-11-20 07:39:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 07:39:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 07:39:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_release_pci_dev [2021-11-20 07:39:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_release_pci_dev [2021-11-20 07:39:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-20 07:39:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-20 07:39:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-20 07:39:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-20 07:39:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 07:39:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 07:39:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function_locked [2021-11-20 07:39:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function_locked [2021-11-20 07:39:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 07:39:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 07:39:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_probe [2021-11-20 07:39:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_probe [2021-11-20 07:39:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:39:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:39:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:39:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 07:39:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev [2021-11-20 07:39:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev [2021-11-20 07:39:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_read_vendor [2021-11-20 07:39:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_read_vendor [2021-11-20 07:39:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_read [2021-11-20 07:39:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_read [2021-11-20 07:39:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 07:39:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 07:39:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-20 07:39:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-20 07:39:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2021-11-20 07:39:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2021-11-20 07:39:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-20 07:39:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-20 07:39:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-20 07:39:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-20 07:39:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2021-11-20 07:39:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2021-11-20 07:39:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:39:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:39:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 07:39:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 07:39:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-11-20 07:39:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-11-20 07:39:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_vpci_dev_data [2021-11-20 07:39:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_vpci_dev_data [2021-11-20 07:39:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure bist_write [2021-11-20 07:39:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bist_write [2021-11-20 07:39:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_device [2021-11-20 07:39:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_device [2021-11-20 07:39:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2021-11-20 07:39:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2021-11-20 07:39:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_device_domain_owner [2021-11-20 07:39:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_device_domain_owner [2021-11-20 07:39:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-20 07:39:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-20 07:39:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pirq_from_irq [2021-11-20 07:39:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pirq_from_irq [2021-11-20 07:39:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2021-11-20 07:39:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2021-11-20 07:39:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure command_read [2021-11-20 07:39:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure command_read [2021-11-20 07:39:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_passthrough_dev_data [2021-11-20 07:39:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_passthrough_dev_data [2021-11-20 07:39:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure merge_value [2021-11-20 07:39:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_value [2021-11-20 07:39:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-20 07:39:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-20 07:39:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-20 07:39:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-20 07:39:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:39:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2021-11-20 07:39:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2021-11-20 07:39:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 07:39:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 07:39:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-20 07:39:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-20 07:39:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 07:39:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 07:39:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_irq_handler_show [2021-11-20 07:39:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_irq_handler_show [2021-11-20 07:39:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 07:39:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 07:39:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure common_process [2021-11-20 07:39:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure common_process [2021-11-20 07:39:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure str_to_slot [2021-11-20 07:39:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure str_to_slot [2021-11-20 07:39:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_exit [2021-11-20 07:39:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_exit [2021-11-20 07:39:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 07:39:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 07:39:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_read_device [2021-11-20 07:39:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_read_device [2021-11-20 07:39:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-20 07:39:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-20 07:39:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-11-20 07:39:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-11-20 07:39:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 07:39:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 07:39:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:39:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:39:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 07:39:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 07:39:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get_pci_dev [2021-11-20 07:39:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get_pci_dev [2021-11-20 07:39:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_reset_device [2021-11-20 07:39:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_reset_device [2021-11-20 07:39:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_test_and_schedule_op [2021-11-20 07:39:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_test_and_schedule_op [2021-11-20 07:39:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 07:39:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 07:39:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure rom_init [2021-11-20 07:39:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_init [2021-11-20 07:39:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields_offset [2021-11-20 07:39:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields_offset [2021-11-20 07:39:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_device [2021-11-20 07:39:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_device [2021-11-20 07:39:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 07:39:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 07:39:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_ids_lock [2021-11-20 07:39:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_ids_lock [2021-11-20 07:39:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure bar_reset [2021-11-20 07:39:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bar_reset [2021-11-20 07:39:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 07:39:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 07:39:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:39:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 07:39:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_enabled [2021-11-20 07:39:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_enabled [2021-11-20 07:39:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:39:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2021-11-20 07:39:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2021-11-20 07:39:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure pm_caps_read [2021-11-20 07:39:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_caps_read [2021-11-20 07:39:04,905 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:39:04,910 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:39:06,327 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:39:28,484 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:39:28,520 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:39:28,520 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:39:28,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:39:28 BoogieIcfgContainer [2021-11-20 07:39:28,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:39:28,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:39:28,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:39:28,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:39:28,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:38:51" (1/3) ... [2021-11-20 07:39:28,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3204e58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:39:28, skipping insertion in model container [2021-11-20 07:39:28,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:39:01" (2/3) ... [2021-11-20 07:39:28,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3204e58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:39:28, skipping insertion in model container [2021-11-20 07:39:28,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:39:28" (3/3) ... [2021-11-20 07:39:28,536 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-20 07:39:28,542 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:39:28,543 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-20 07:39:28,620 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:39:28,627 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 07:39:28,627 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-20 07:39:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 3692 states, 2476 states have (on average 1.305735056542811) internal successors, (3233), 2616 states have internal predecessors, (3233), 992 states have call successors, (992), 195 states have call predecessors, (992), 194 states have return successors, (985), 968 states have call predecessors, (985), 985 states have call successors, (985) [2021-11-20 07:39:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 07:39:28,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:28,735 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] [2021-11-20 07:39:28,735 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:39:28,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:28,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1318901820, now seen corresponding path program 1 times [2021-11-20 07:39:28,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:28,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643336005] [2021-11-20 07:39:28,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:28,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:29,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:39:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:39:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:39:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:39:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:29,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:39:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:29,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:39:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:29,964 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 07:39:29,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:29,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643336005] [2021-11-20 07:39:29,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643336005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:29,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:29,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:39:29,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281478543] [2021-11-20 07:39:29,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:29,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:39:29,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:30,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:39:30,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:39:30,027 INFO L87 Difference]: Start difference. First operand has 3692 states, 2476 states have (on average 1.305735056542811) internal successors, (3233), 2616 states have internal predecessors, (3233), 992 states have call successors, (992), 195 states have call predecessors, (992), 194 states have return successors, (985), 968 states have call predecessors, (985), 985 states have call successors, (985) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:39:39,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:39:44,560 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 07:39:48,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:48,725 INFO L93 Difference]: Finished difference Result 7353 states and 10635 transitions. [2021-11-20 07:39:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:39:48,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2021-11-20 07:39:48,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:48,806 INFO L225 Difference]: With dead ends: 7353 [2021-11-20 07:39:48,807 INFO L226 Difference]: Without dead ends: 3671 [2021-11-20 07:39:48,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:39:48,857 INFO L933 BasicCegarLoop]: 4611 mSDtfsCounter, 8129 mSDsluCounter, 4230 mSDsCounter, 0 mSdLazyCounter, 4229 mSolverCounterSat, 4226 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8547 SdHoareTripleChecker+Valid, 8841 SdHoareTripleChecker+Invalid, 8457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4226 IncrementalHoareTripleChecker+Valid, 4229 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:48,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8547 Valid, 8841 Invalid, 8457 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4226 Valid, 4229 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2021-11-20 07:39:48,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2021-11-20 07:39:49,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3671. [2021-11-20 07:39:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3671 states, 2465 states have (on average 1.291683569979716) internal successors, (3184), 2599 states have internal predecessors, (3184), 985 states have call successors, (985), 194 states have call predecessors, (985), 193 states have return successors, (983), 966 states have call predecessors, (983), 983 states have call successors, (983) [2021-11-20 07:39:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3671 states to 3671 states and 5152 transitions. [2021-11-20 07:39:49,342 INFO L78 Accepts]: Start accepts. Automaton has 3671 states and 5152 transitions. Word has length 51 [2021-11-20 07:39:49,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:49,344 INFO L470 AbstractCegarLoop]: Abstraction has 3671 states and 5152 transitions. [2021-11-20 07:39:49,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:39:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3671 states and 5152 transitions. [2021-11-20 07:39:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 07:39:49,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:49,356 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:39:49,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:39:49,357 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:39:49,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:49,358 INFO L85 PathProgramCache]: Analyzing trace with hash 324810246, now seen corresponding path program 1 times [2021-11-20 07:39:49,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:49,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411239361] [2021-11-20 07:39:49,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:49,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:39:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:39:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:49,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:49,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:39:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:49,848 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 07:39:49,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:49,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411239361] [2021-11-20 07:39:49,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411239361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:49,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:49,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:39:49,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414946875] [2021-11-20 07:39:49,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:49,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:39:49,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:49,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:39:49,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:39:49,852 INFO L87 Difference]: Start difference. First operand 3671 states and 5152 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 07:39:50,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:50,213 INFO L93 Difference]: Finished difference Result 7336 states and 10296 transitions. [2021-11-20 07:39:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:39:50,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2021-11-20 07:39:50,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:50,261 INFO L225 Difference]: With dead ends: 7336 [2021-11-20 07:39:50,261 INFO L226 Difference]: Without dead ends: 3672 [2021-11-20 07:39:50,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:39:50,288 INFO L933 BasicCegarLoop]: 5151 mSDtfsCounter, 0 mSDsluCounter, 5147 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10298 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:50,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10298 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:39:50,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3672 states. [2021-11-20 07:39:50,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3672 to 3672. [2021-11-20 07:39:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3672 states, 2466 states have (on average 1.291565287915653) internal successors, (3185), 2600 states have internal predecessors, (3185), 985 states have call successors, (985), 194 states have call predecessors, (985), 193 states have return successors, (983), 966 states have call predecessors, (983), 983 states have call successors, (983) [2021-11-20 07:39:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 3672 states and 5153 transitions. [2021-11-20 07:39:50,547 INFO L78 Accepts]: Start accepts. Automaton has 3672 states and 5153 transitions. Word has length 58 [2021-11-20 07:39:50,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:50,548 INFO L470 AbstractCegarLoop]: Abstraction has 3672 states and 5153 transitions. [2021-11-20 07:39:50,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 07:39:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 5153 transitions. [2021-11-20 07:39:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 07:39:50,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:50,551 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:39:50,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:39:50,552 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:39:50,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:50,552 INFO L85 PathProgramCache]: Analyzing trace with hash 309291528, now seen corresponding path program 1 times [2021-11-20 07:39:50,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:50,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661835029] [2021-11-20 07:39:50,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:50,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:39:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:39:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:39:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:51,014 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 07:39:51,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:51,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661835029] [2021-11-20 07:39:51,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661835029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:51,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:51,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:39:51,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469113580] [2021-11-20 07:39:51,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:51,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:39:51,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:51,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:39:51,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:39:51,018 INFO L87 Difference]: Start difference. First operand 3672 states and 5153 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 07:39:51,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:51,357 INFO L93 Difference]: Finished difference Result 7325 states and 10280 transitions. [2021-11-20 07:39:51,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:39:51,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 58 [2021-11-20 07:39:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:51,403 INFO L225 Difference]: With dead ends: 7325 [2021-11-20 07:39:51,403 INFO L226 Difference]: Without dead ends: 3673 [2021-11-20 07:39:51,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:39:51,431 INFO L933 BasicCegarLoop]: 5151 mSDtfsCounter, 0 mSDsluCounter, 5147 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10298 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:51,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10298 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:39:51,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3673 states. [2021-11-20 07:39:51,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3673 to 3673. [2021-11-20 07:39:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3673 states, 2467 states have (on average 1.2914471017430078) internal successors, (3186), 2601 states have internal predecessors, (3186), 985 states have call successors, (985), 194 states have call predecessors, (985), 193 states have return successors, (983), 966 states have call predecessors, (983), 983 states have call successors, (983) [2021-11-20 07:39:51,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 3673 states and 5154 transitions. [2021-11-20 07:39:51,741 INFO L78 Accepts]: Start accepts. Automaton has 3673 states and 5154 transitions. Word has length 58 [2021-11-20 07:39:51,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:51,744 INFO L470 AbstractCegarLoop]: Abstraction has 3673 states and 5154 transitions. [2021-11-20 07:39:51,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 07:39:51,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 5154 transitions. [2021-11-20 07:39:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 07:39:51,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:51,750 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:39:51,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:39:51,750 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:39:51,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:51,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1897639430, now seen corresponding path program 1 times [2021-11-20 07:39:51,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:51,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833986135] [2021-11-20 07:39:51,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:51,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:39:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:39:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:52,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:52,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:39:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:52,288 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 07:39:52,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:52,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833986135] [2021-11-20 07:39:52,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833986135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:52,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:52,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:39:52,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799136475] [2021-11-20 07:39:52,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:52,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:39:52,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:52,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:39:52,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:39:52,292 INFO L87 Difference]: Start difference. First operand 3673 states and 5154 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 07:39:53,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:39:53,588 INFO L93 Difference]: Finished difference Result 7756 states and 10948 transitions. [2021-11-20 07:39:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:39:53,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 58 [2021-11-20 07:39:53,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:39:53,632 INFO L225 Difference]: With dead ends: 7756 [2021-11-20 07:39:53,632 INFO L226 Difference]: Without dead ends: 4346 [2021-11-20 07:39:53,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 07:39:53,651 INFO L933 BasicCegarLoop]: 6187 mSDtfsCounter, 957 mSDsluCounter, 10851 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 17038 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 558 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:39:53,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [957 Valid, 17038 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [558 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-20 07:39:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2021-11-20 07:39:53,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 3675. [2021-11-20 07:39:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3675 states, 2469 states have (on average 1.2912110166059134) internal successors, (3188), 2603 states have internal predecessors, (3188), 985 states have call successors, (985), 194 states have call predecessors, (985), 193 states have return successors, (983), 966 states have call predecessors, (983), 983 states have call successors, (983) [2021-11-20 07:39:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3675 states to 3675 states and 5156 transitions. [2021-11-20 07:39:53,932 INFO L78 Accepts]: Start accepts. Automaton has 3675 states and 5156 transitions. Word has length 58 [2021-11-20 07:39:53,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:39:53,933 INFO L470 AbstractCegarLoop]: Abstraction has 3675 states and 5156 transitions. [2021-11-20 07:39:53,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-20 07:39:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 5156 transitions. [2021-11-20 07:39:53,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 07:39:53,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:39:53,935 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 07:39:53,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:39:53,935 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:39:53,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:53,936 INFO L85 PathProgramCache]: Analyzing trace with hash -357292954, now seen corresponding path program 1 times [2021-11-20 07:39:53,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:53,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135381754] [2021-11-20 07:39:53,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:53,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:39:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:39:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:54,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:39:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:54,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:39:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:39:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:39:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:39:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:54,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:39:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:54,457 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 07:39:54,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:54,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135381754] [2021-11-20 07:39:54,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135381754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:54,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:54,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:39:54,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931907837] [2021-11-20 07:39:54,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:54,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:39:54,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:54,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:39:54,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:39:54,461 INFO L87 Difference]: Start difference. First operand 3675 states and 5156 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 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 07:40:04,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:06,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:09,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:12,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:40:12,928 INFO L93 Difference]: Finished difference Result 3675 states and 5156 transitions. [2021-11-20 07:40:12,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:40:12,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 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 07:40:12,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:40:12,963 INFO L225 Difference]: With dead ends: 3675 [2021-11-20 07:40:12,963 INFO L226 Difference]: Without dead ends: 3673 [2021-11-20 07:40:12,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:40:12,968 INFO L933 BasicCegarLoop]: 4587 mSDtfsCounter, 8091 mSDsluCounter, 4200 mSDsCounter, 0 mSdLazyCounter, 4217 mSolverCounterSat, 4212 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8506 SdHoareTripleChecker+Valid, 8787 SdHoareTripleChecker+Invalid, 8431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4212 IncrementalHoareTripleChecker+Valid, 4217 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:40:12,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8506 Valid, 8787 Invalid, 8431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4212 Valid, 4217 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2021-11-20 07:40:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3673 states. [2021-11-20 07:40:13,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3673 to 3673. [2021-11-20 07:40:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3673 states, 2468 states have (on average 1.2909238249594814) internal successors, (3186), 2601 states have internal predecessors, (3186), 985 states have call successors, (985), 194 states have call predecessors, (985), 193 states have return successors, (983), 966 states have call predecessors, (983), 983 states have call successors, (983) [2021-11-20 07:40:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 3673 states and 5154 transitions. [2021-11-20 07:40:13,184 INFO L78 Accepts]: Start accepts. Automaton has 3673 states and 5154 transitions. Word has length 57 [2021-11-20 07:40:13,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:40:13,187 INFO L470 AbstractCegarLoop]: Abstraction has 3673 states and 5154 transitions. [2021-11-20 07:40:13,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 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 07:40:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 5154 transitions. [2021-11-20 07:40:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 07:40:13,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:40:13,189 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:40:13,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:40:13,190 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:40:13,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:13,190 INFO L85 PathProgramCache]: Analyzing trace with hash -869095678, now seen corresponding path program 1 times [2021-11-20 07:40:13,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:13,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913549087] [2021-11-20 07:40:13,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:13,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:40:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:40:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:40:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 07:40:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:13,769 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 07:40:13,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:40:13,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913549087] [2021-11-20 07:40:13,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913549087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:40:13,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:40:13,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:40:13,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619080457] [2021-11-20 07:40:13,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:40:13,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:40:13,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:40:13,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:40:13,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:40:13,773 INFO L87 Difference]: Start difference. First operand 3673 states and 5154 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-20 07:40:23,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:28,173 WARN L515 Checker$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 07:40:31,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:40:31,554 INFO L93 Difference]: Finished difference Result 7517 states and 10597 transitions. [2021-11-20 07:40:31,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:40:31,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 66 [2021-11-20 07:40:31,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:40:31,591 INFO L225 Difference]: With dead ends: 7517 [2021-11-20 07:40:31,591 INFO L226 Difference]: Without dead ends: 3865 [2021-11-20 07:40:31,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:40:31,612 INFO L933 BasicCegarLoop]: 4900 mSDtfsCounter, 878 mSDsluCounter, 9557 mSDsCounter, 0 mSdLazyCounter, 4587 mSolverCounterSat, 1041 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 14457 SdHoareTripleChecker+Invalid, 5630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1041 IncrementalHoareTripleChecker+Valid, 4587 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:40:31,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1035 Valid, 14457 Invalid, 5630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1041 Valid, 4587 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2021-11-20 07:40:31,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2021-11-20 07:40:31,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3674. [2021-11-20 07:40:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3674 states, 2469 states have (on average 1.2908059943296881) internal successors, (3187), 2602 states have internal predecessors, (3187), 985 states have call successors, (985), 194 states have call predecessors, (985), 193 states have return successors, (983), 966 states have call predecessors, (983), 983 states have call successors, (983) [2021-11-20 07:40:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3674 states and 5155 transitions. [2021-11-20 07:40:31,857 INFO L78 Accepts]: Start accepts. Automaton has 3674 states and 5155 transitions. Word has length 66 [2021-11-20 07:40:31,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:40:31,857 INFO L470 AbstractCegarLoop]: Abstraction has 3674 states and 5155 transitions. [2021-11-20 07:40:31,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-20 07:40:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3674 states and 5155 transitions. [2021-11-20 07:40:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-20 07:40:31,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:40:31,860 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:40:31,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:40:31,860 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:40:31,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:31,861 INFO L85 PathProgramCache]: Analyzing trace with hash 4164486, now seen corresponding path program 1 times [2021-11-20 07:40:31,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:31,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367469012] [2021-11-20 07:40:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:31,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:40:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:40:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:40:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:40:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:40:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-20 07:40:32,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:40:32,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367469012] [2021-11-20 07:40:32,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367469012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:40:32,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:40:32,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:40:32,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411733567] [2021-11-20 07:40:32,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:40:32,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:40:32,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:40:32,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:40:32,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:40:32,376 INFO L87 Difference]: Start difference. First operand 3674 states and 5155 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:40:32,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:40:32,828 INFO L93 Difference]: Finished difference Result 4840 states and 6693 transitions. [2021-11-20 07:40:32,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:40:32,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2021-11-20 07:40:32,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:40:32,885 INFO L225 Difference]: With dead ends: 4840 [2021-11-20 07:40:32,885 INFO L226 Difference]: Without dead ends: 4838 [2021-11-20 07:40:32,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:40:32,889 INFO L933 BasicCegarLoop]: 5504 mSDtfsCounter, 4867 mSDsluCounter, 12793 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4870 SdHoareTripleChecker+Valid, 18297 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:40:32,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4870 Valid, 18297 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:40:32,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4838 states. [2021-11-20 07:40:33,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4838 to 4824. [2021-11-20 07:40:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4824 states, 3261 states have (on average 1.2864152100582644) internal successors, (4195), 3414 states have internal predecessors, (4195), 1240 states have call successors, (1240), 302 states have call predecessors, (1240), 296 states have return successors, (1248), 1208 states have call predecessors, (1248), 1238 states have call successors, (1248) [2021-11-20 07:40:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4824 states to 4824 states and 6683 transitions. [2021-11-20 07:40:33,240 INFO L78 Accepts]: Start accepts. Automaton has 4824 states and 6683 transitions. Word has length 68 [2021-11-20 07:40:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:40:33,241 INFO L470 AbstractCegarLoop]: Abstraction has 4824 states and 6683 transitions. [2021-11-20 07:40:33,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 07:40:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 4824 states and 6683 transitions. [2021-11-20 07:40:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-20 07:40:33,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:40:33,244 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:40:33,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:40:33,245 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:40:33,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:33,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1146003745, now seen corresponding path program 1 times [2021-11-20 07:40:33,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:33,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576969823] [2021-11-20 07:40:33,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:33,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:40:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:40:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:33,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:40:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:33,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:40:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:33,839 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 07:40:33,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:40:33,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576969823] [2021-11-20 07:40:33,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576969823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:40:33,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:40:33,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:40:33,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450236000] [2021-11-20 07:40:33,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:40:33,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:40:33,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:40:33,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:40:33,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:40:33,843 INFO L87 Difference]: Start difference. First operand 4824 states and 6683 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 07:40:39,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:40:39,101 INFO L93 Difference]: Finished difference Result 9607 states and 13308 transitions. [2021-11-20 07:40:39,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:40:39,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2021-11-20 07:40:39,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:40:39,130 INFO L225 Difference]: With dead ends: 9607 [2021-11-20 07:40:39,130 INFO L226 Difference]: Without dead ends: 4803 [2021-11-20 07:40:39,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:40:39,157 INFO L933 BasicCegarLoop]: 5118 mSDtfsCounter, 5108 mSDsluCounter, 3151 mSDsCounter, 0 mSdLazyCounter, 1971 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5108 SdHoareTripleChecker+Valid, 8269 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:40:39,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5108 Valid, 8269 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1971 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-20 07:40:39,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4803 states. [2021-11-20 07:40:39,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4803 to 4803. [2021-11-20 07:40:39,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4803 states, 3241 states have (on average 1.285097192224622) internal successors, (4165), 3394 states have internal predecessors, (4165), 1239 states have call successors, (1239), 302 states have call predecessors, (1239), 296 states have return successors, (1247), 1207 states have call predecessors, (1247), 1237 states have call successors, (1247) [2021-11-20 07:40:39,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4803 states to 4803 states and 6651 transitions. [2021-11-20 07:40:39,547 INFO L78 Accepts]: Start accepts. Automaton has 4803 states and 6651 transitions. Word has length 68 [2021-11-20 07:40:39,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:40:39,549 INFO L470 AbstractCegarLoop]: Abstraction has 4803 states and 6651 transitions. [2021-11-20 07:40:39,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 07:40:39,549 INFO L276 IsEmpty]: Start isEmpty. Operand 4803 states and 6651 transitions. [2021-11-20 07:40:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-20 07:40:39,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:40:39,559 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 07:40:39,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:40:39,560 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:40:39,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:39,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2038971930, now seen corresponding path program 1 times [2021-11-20 07:40:39,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:39,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440759805] [2021-11-20 07:40:39,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:39,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:40:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:40:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:40:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:40:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:40,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:40:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:40,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:40:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:40:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:40:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:40,076 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 07:40:40,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:40:40,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440759805] [2021-11-20 07:40:40,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440759805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:40:40,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:40:40,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:40:40,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902722777] [2021-11-20 07:40:40,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:40:40,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:40:40,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:40:40,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:40:40,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:40:40,081 INFO L87 Difference]: Start difference. First operand 4803 states and 6651 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 07:40:47,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:40:52,031 WARN L515 Checker$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 07:40:56,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:40:56,234 INFO L93 Difference]: Finished difference Result 4803 states and 6651 transitions. [2021-11-20 07:40:56,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:40:56,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2021-11-20 07:40:56,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:40:56,266 INFO L225 Difference]: With dead ends: 4803 [2021-11-20 07:40:56,266 INFO L226 Difference]: Without dead ends: 4801 [2021-11-20 07:40:56,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:40:56,272 INFO L933 BasicCegarLoop]: 4556 mSDtfsCounter, 8057 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4214 mSolverCounterSat, 4210 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8470 SdHoareTripleChecker+Valid, 8673 SdHoareTripleChecker+Invalid, 8425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4214 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:40:56,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8470 Valid, 8673 Invalid, 8425 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4214 Invalid, 1 Unknown, 0 Unchecked, 15.5s Time] [2021-11-20 07:40:56,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4801 states. [2021-11-20 07:40:56,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4801 to 4801. [2021-11-20 07:40:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4801 states, 3240 states have (on average 1.2848765432098765) internal successors, (4163), 3392 states have internal predecessors, (4163), 1239 states have call successors, (1239), 302 states have call predecessors, (1239), 296 states have return successors, (1247), 1207 states have call predecessors, (1247), 1237 states have call successors, (1247) [2021-11-20 07:40:56,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4801 states to 4801 states and 6649 transitions. [2021-11-20 07:40:56,633 INFO L78 Accepts]: Start accepts. Automaton has 4801 states and 6649 transitions. Word has length 63 [2021-11-20 07:40:56,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:40:56,634 INFO L470 AbstractCegarLoop]: Abstraction has 4801 states and 6649 transitions. [2021-11-20 07:40:56,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 07:40:56,634 INFO L276 IsEmpty]: Start isEmpty. Operand 4801 states and 6649 transitions. [2021-11-20 07:40:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-20 07:40:56,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:40:56,636 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 07:40:56,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:40:56,636 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:40:56,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:40:56,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1511720345, now seen corresponding path program 1 times [2021-11-20 07:40:56,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:40:56,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932973055] [2021-11-20 07:40:56,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:40:56,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:40:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:40:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:40:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:40:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:40:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:57,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:40:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:57,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:40:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:57,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:40:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:40:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:40:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:40:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:40:57,101 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 07:40:57,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:40:57,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932973055] [2021-11-20 07:40:57,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932973055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:40:57,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:40:57,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:40:57,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570476650] [2021-11-20 07:40:57,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:40:57,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:40:57,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:40:57,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:40:57,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:40:57,104 INFO L87 Difference]: Start difference. First operand 4801 states and 6649 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 07:41:05,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:13,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:13,994 INFO L93 Difference]: Finished difference Result 4801 states and 6649 transitions. [2021-11-20 07:41:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:41:13,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2021-11-20 07:41:13,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:14,016 INFO L225 Difference]: With dead ends: 4801 [2021-11-20 07:41:14,016 INFO L226 Difference]: Without dead ends: 4799 [2021-11-20 07:41:14,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:41:14,019 INFO L933 BasicCegarLoop]: 4554 mSDtfsCounter, 8051 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4212 mSolverCounterSat, 4210 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8463 SdHoareTripleChecker+Valid, 8671 SdHoareTripleChecker+Invalid, 8423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4212 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:41:14,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8463 Valid, 8671 Invalid, 8423 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4212 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2021-11-20 07:41:14,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4799 states. [2021-11-20 07:41:14,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4799 to 4799. [2021-11-20 07:41:14,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4799 states, 3239 states have (on average 1.2846557579499847) internal successors, (4161), 3390 states have internal predecessors, (4161), 1239 states have call successors, (1239), 302 states have call predecessors, (1239), 296 states have return successors, (1247), 1207 states have call predecessors, (1247), 1237 states have call successors, (1247) [2021-11-20 07:41:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4799 states to 4799 states and 6647 transitions. [2021-11-20 07:41:14,426 INFO L78 Accepts]: Start accepts. Automaton has 4799 states and 6647 transitions. Word has length 69 [2021-11-20 07:41:14,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:14,427 INFO L470 AbstractCegarLoop]: Abstraction has 4799 states and 6647 transitions. [2021-11-20 07:41:14,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 07:41:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 4799 states and 6647 transitions. [2021-11-20 07:41:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 07:41:14,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:14,431 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 07:41:14,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:41:14,431 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:41:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:14,432 INFO L85 PathProgramCache]: Analyzing trace with hash -31236558, now seen corresponding path program 1 times [2021-11-20 07:41:14,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:14,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114325042] [2021-11-20 07:41:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:14,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:41:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:41:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:41:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:41:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:41:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:41:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:41:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:41:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:41:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:41:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:14,920 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 07:41:14,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:14,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114325042] [2021-11-20 07:41:14,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114325042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:14,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:14,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:41:14,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366651957] [2021-11-20 07:41:14,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:14,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:41:14,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:14,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:41:14,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:41:14,923 INFO L87 Difference]: Start difference. First operand 4799 states and 6647 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:41:22,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:30,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:30,718 INFO L93 Difference]: Finished difference Result 4799 states and 6647 transitions. [2021-11-20 07:41:30,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:41:30,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2021-11-20 07:41:30,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:30,747 INFO L225 Difference]: With dead ends: 4799 [2021-11-20 07:41:30,748 INFO L226 Difference]: Without dead ends: 4797 [2021-11-20 07:41:30,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:41:30,753 INFO L933 BasicCegarLoop]: 4552 mSDtfsCounter, 8045 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4210 mSolverCounterSat, 4210 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8456 SdHoareTripleChecker+Valid, 8669 SdHoareTripleChecker+Invalid, 8421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:41:30,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8456 Valid, 8669 Invalid, 8421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4210 Invalid, 1 Unknown, 0 Unchecked, 15.2s Time] [2021-11-20 07:41:30,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4797 states. [2021-11-20 07:41:31,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4797 to 4797. [2021-11-20 07:41:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4797 states, 3238 states have (on average 1.2844348363187152) internal successors, (4159), 3388 states have internal predecessors, (4159), 1239 states have call successors, (1239), 302 states have call predecessors, (1239), 296 states have return successors, (1247), 1207 states have call predecessors, (1247), 1237 states have call successors, (1247) [2021-11-20 07:41:31,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4797 states to 4797 states and 6645 transitions. [2021-11-20 07:41:31,185 INFO L78 Accepts]: Start accepts. Automaton has 4797 states and 6645 transitions. Word has length 75 [2021-11-20 07:41:31,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:31,186 INFO L470 AbstractCegarLoop]: Abstraction has 4797 states and 6645 transitions. [2021-11-20 07:41:31,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 07:41:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 4797 states and 6645 transitions. [2021-11-20 07:41:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 07:41:31,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:31,190 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 07:41:31,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:41:31,190 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:41:31,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:31,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1824265156, now seen corresponding path program 1 times [2021-11-20 07:41:31,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:31,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840624344] [2021-11-20 07:41:31,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:31,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:41:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:41:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:41:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:41:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:41:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:41:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:41:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:41:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:41:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:41:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:41:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:31,822 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 07:41:31,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:31,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840624344] [2021-11-20 07:41:31,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840624344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:31,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:31,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:41:31,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418972121] [2021-11-20 07:41:31,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:31,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:41:31,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:31,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:41:31,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:41:31,825 INFO L87 Difference]: Start difference. First operand 4797 states and 6645 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:41:39,225 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:41,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:41:44,691 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 07:41:49,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:41:49,331 INFO L93 Difference]: Finished difference Result 4797 states and 6645 transitions. [2021-11-20 07:41:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:41:49,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2021-11-20 07:41:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:41:49,359 INFO L225 Difference]: With dead ends: 4797 [2021-11-20 07:41:49,360 INFO L226 Difference]: Without dead ends: 4795 [2021-11-20 07:41:49,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:41:49,365 INFO L933 BasicCegarLoop]: 4550 mSDtfsCounter, 8039 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4208 mSolverCounterSat, 4210 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8449 SdHoareTripleChecker+Valid, 8667 SdHoareTripleChecker+Invalid, 8419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4208 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:41:49,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8449 Valid, 8667 Invalid, 8419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4208 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2021-11-20 07:41:49,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2021-11-20 07:41:49,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 4795. [2021-11-20 07:41:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4795 states, 3237 states have (on average 1.2842137781896819) internal successors, (4157), 3386 states have internal predecessors, (4157), 1239 states have call successors, (1239), 302 states have call predecessors, (1239), 296 states have return successors, (1247), 1207 states have call predecessors, (1247), 1237 states have call successors, (1247) [2021-11-20 07:41:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4795 states to 4795 states and 6643 transitions. [2021-11-20 07:41:49,794 INFO L78 Accepts]: Start accepts. Automaton has 4795 states and 6643 transitions. Word has length 81 [2021-11-20 07:41:49,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:41:49,794 INFO L470 AbstractCegarLoop]: Abstraction has 4795 states and 6643 transitions. [2021-11-20 07:41:49,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 07:41:49,795 INFO L276 IsEmpty]: Start isEmpty. Operand 4795 states and 6643 transitions. [2021-11-20 07:41:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-20 07:41:49,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:41:49,797 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:41:49,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:41:49,798 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:41:49,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:41:49,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1226191186, now seen corresponding path program 1 times [2021-11-20 07:41:49,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:41:49,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76044003] [2021-11-20 07:41:49,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:41:49,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:41:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:41:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:41:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:41:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:41:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:41:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:41:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:41:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:41:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:41:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:41:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:41:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:41:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-20 07:41:50,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:41:50,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76044003] [2021-11-20 07:41:50,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76044003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:41:50,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:41:50,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:41:50,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787251031] [2021-11-20 07:41:50,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:41:50,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:41:50,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:41:50,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:41:50,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:41:50,353 INFO L87 Difference]: Start difference. First operand 4795 states and 6643 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-20 07:42:00,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:01,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:10,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:13,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:42:15,655 INFO L93 Difference]: Finished difference Result 4967 states and 6891 transitions. [2021-11-20 07:42:15,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:42:15,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 94 [2021-11-20 07:42:15,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:42:15,684 INFO L225 Difference]: With dead ends: 4967 [2021-11-20 07:42:15,685 INFO L226 Difference]: Without dead ends: 4965 [2021-11-20 07:42:15,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:42:15,690 INFO L933 BasicCegarLoop]: 5979 mSDtfsCounter, 3298 mSDsluCounter, 11387 mSDsCounter, 0 mSdLazyCounter, 9525 mSolverCounterSat, 1825 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3757 SdHoareTripleChecker+Valid, 17366 SdHoareTripleChecker+Invalid, 11353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1825 IncrementalHoareTripleChecker+Valid, 9525 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:42:15,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3757 Valid, 17366 Invalid, 11353 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1825 Valid, 9525 Invalid, 3 Unknown, 0 Unchecked, 24.6s Time] [2021-11-20 07:42:15,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4965 states. [2021-11-20 07:42:16,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4965 to 4845. [2021-11-20 07:42:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4845 states, 3269 states have (on average 1.2829611501988376) internal successors, (4194), 3422 states have internal predecessors, (4194), 1247 states have call successors, (1247), 303 states have call predecessors, (1247), 306 states have return successors, (1277), 1221 states have call predecessors, (1277), 1245 states have call successors, (1277) [2021-11-20 07:42:16,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4845 states to 4845 states and 6718 transitions. [2021-11-20 07:42:16,158 INFO L78 Accepts]: Start accepts. Automaton has 4845 states and 6718 transitions. Word has length 94 [2021-11-20 07:42:16,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:42:16,159 INFO L470 AbstractCegarLoop]: Abstraction has 4845 states and 6718 transitions. [2021-11-20 07:42:16,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-20 07:42:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 4845 states and 6718 transitions. [2021-11-20 07:42:16,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-20 07:42:16,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:42:16,163 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 07:42:16,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:42:16,164 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:42:16,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:16,164 INFO L85 PathProgramCache]: Analyzing trace with hash -254588644, now seen corresponding path program 1 times [2021-11-20 07:42:16,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:16,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115711174] [2021-11-20 07:42:16,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:16,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:42:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:42:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:42:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:42:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:42:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:42:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:42:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:42:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:42:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:42:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:42:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:42:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:42:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:16,689 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 07:42:16,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:42:16,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115711174] [2021-11-20 07:42:16,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115711174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:42:16,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:42:16,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:42:16,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666792809] [2021-11-20 07:42:16,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:42:16,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:42:16,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:42:16,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:42:16,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:42:16,693 INFO L87 Difference]: Start difference. First operand 4845 states and 6718 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 07:42:24,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:29,630 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 07:42:33,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:42:33,529 INFO L93 Difference]: Finished difference Result 4845 states and 6718 transitions. [2021-11-20 07:42:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:42:33,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 87 [2021-11-20 07:42:33,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:42:33,554 INFO L225 Difference]: With dead ends: 4845 [2021-11-20 07:42:33,554 INFO L226 Difference]: Without dead ends: 4843 [2021-11-20 07:42:33,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:42:33,558 INFO L933 BasicCegarLoop]: 4548 mSDtfsCounter, 8033 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4205 mSolverCounterSat, 4210 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8442 SdHoareTripleChecker+Valid, 8665 SdHoareTripleChecker+Invalid, 8417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4205 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:42:33,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8442 Valid, 8665 Invalid, 8417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4205 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2021-11-20 07:42:33,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4843 states. [2021-11-20 07:42:33,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4843 to 4843. [2021-11-20 07:42:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4843 states, 3268 states have (on average 1.2827417380660955) internal successors, (4192), 3420 states have internal predecessors, (4192), 1247 states have call successors, (1247), 303 states have call predecessors, (1247), 306 states have return successors, (1277), 1221 states have call predecessors, (1277), 1245 states have call successors, (1277) [2021-11-20 07:42:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 4843 states and 6716 transitions. [2021-11-20 07:42:34,004 INFO L78 Accepts]: Start accepts. Automaton has 4843 states and 6716 transitions. Word has length 87 [2021-11-20 07:42:34,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:42:34,005 INFO L470 AbstractCegarLoop]: Abstraction has 4843 states and 6716 transitions. [2021-11-20 07:42:34,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-20 07:42:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4843 states and 6716 transitions. [2021-11-20 07:42:34,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-20 07:42:34,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:42:34,007 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 07:42:34,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 07:42:34,008 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:42:34,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:34,008 INFO L85 PathProgramCache]: Analyzing trace with hash -309295596, now seen corresponding path program 1 times [2021-11-20 07:42:34,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:34,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847352215] [2021-11-20 07:42:34,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:34,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:42:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:42:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:42:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:42:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:42:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:42:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:42:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:42:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:42:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:42:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:42:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:42:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:42:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:42:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:34,470 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 07:42:34,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:42:34,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847352215] [2021-11-20 07:42:34,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847352215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:42:34,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:42:34,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:42:34,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568586767] [2021-11-20 07:42:34,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:42:34,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:42:34,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:42:34,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:42:34,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:42:34,473 INFO L87 Difference]: Start difference. First operand 4843 states and 6716 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, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:42:41,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:42:50,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:42:50,283 INFO L93 Difference]: Finished difference Result 4843 states and 6716 transitions. [2021-11-20 07:42:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:42:50,284 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, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2021-11-20 07:42:50,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:42:50,313 INFO L225 Difference]: With dead ends: 4843 [2021-11-20 07:42:50,313 INFO L226 Difference]: Without dead ends: 4841 [2021-11-20 07:42:50,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:42:50,319 INFO L933 BasicCegarLoop]: 4546 mSDtfsCounter, 8031 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4200 mSolverCounterSat, 4210 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8439 SdHoareTripleChecker+Valid, 8663 SdHoareTripleChecker+Invalid, 8411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4200 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:42:50,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8439 Valid, 8663 Invalid, 8411 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4200 Invalid, 1 Unknown, 0 Unchecked, 15.2s Time] [2021-11-20 07:42:50,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4841 states. [2021-11-20 07:42:50,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4841 to 4841. [2021-11-20 07:42:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4841 states, 3267 states have (on average 1.2825221916131007) internal successors, (4190), 3418 states have internal predecessors, (4190), 1247 states have call successors, (1247), 303 states have call predecessors, (1247), 306 states have return successors, (1277), 1221 states have call predecessors, (1277), 1245 states have call successors, (1277) [2021-11-20 07:42:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 6714 transitions. [2021-11-20 07:42:50,970 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 6714 transitions. Word has length 93 [2021-11-20 07:42:50,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:42:50,973 INFO L470 AbstractCegarLoop]: Abstraction has 4841 states and 6714 transitions. [2021-11-20 07:42:50,973 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, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:42:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 6714 transitions. [2021-11-20 07:42:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-20 07:42:50,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:42:50,976 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] [2021-11-20 07:42:50,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 07:42:50,976 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:42:50,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:50,977 INFO L85 PathProgramCache]: Analyzing trace with hash -880095401, now seen corresponding path program 1 times [2021-11-20 07:42:50,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:50,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484445556] [2021-11-20 07:42:50,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:50,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:42:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:42:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:42:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:42:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:42:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:42:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:42:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:42:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:42:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:42:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:42:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:42:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:42:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:42:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:42:51,496 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 07:42:51,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:42:51,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484445556] [2021-11-20 07:42:51,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484445556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:42:51,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:42:51,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:42:51,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880951062] [2021-11-20 07:42:51,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:42:51,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:42:51,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:42:51,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:42:51,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:42:51,502 INFO L87 Difference]: Start difference. First operand 4841 states and 6714 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:42:59,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:07,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:43:07,843 INFO L93 Difference]: Finished difference Result 4841 states and 6714 transitions. [2021-11-20 07:43:07,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:43:07,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2021-11-20 07:43:07,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:43:07,868 INFO L225 Difference]: With dead ends: 4841 [2021-11-20 07:43:07,869 INFO L226 Difference]: Without dead ends: 4839 [2021-11-20 07:43:07,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:43:07,874 INFO L933 BasicCegarLoop]: 4544 mSDtfsCounter, 8019 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 4210 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8427 SdHoareTripleChecker+Valid, 8661 SdHoareTripleChecker+Invalid, 8413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:43:07,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8427 Valid, 8661 Invalid, 8413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4202 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2021-11-20 07:43:07,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4839 states. [2021-11-20 07:43:08,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4839 to 4839. [2021-11-20 07:43:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4839 states, 3266 states have (on average 1.2823025107164727) internal successors, (4188), 3416 states have internal predecessors, (4188), 1247 states have call successors, (1247), 303 states have call predecessors, (1247), 306 states have return successors, (1277), 1221 states have call predecessors, (1277), 1245 states have call successors, (1277) [2021-11-20 07:43:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4839 states to 4839 states and 6712 transitions. [2021-11-20 07:43:08,390 INFO L78 Accepts]: Start accepts. Automaton has 4839 states and 6712 transitions. Word has length 95 [2021-11-20 07:43:08,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:43:08,391 INFO L470 AbstractCegarLoop]: Abstraction has 4839 states and 6712 transitions. [2021-11-20 07:43:08,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 07:43:08,391 INFO L276 IsEmpty]: Start isEmpty. Operand 4839 states and 6712 transitions. [2021-11-20 07:43:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-20 07:43:08,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:43:08,394 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 07:43:08,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 07:43:08,396 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:43:08,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:08,397 INFO L85 PathProgramCache]: Analyzing trace with hash 683346755, now seen corresponding path program 1 times [2021-11-20 07:43:08,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:08,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114076620] [2021-11-20 07:43:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:08,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:43:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:43:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:43:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:43:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:43:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:43:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:43:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:43:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:43:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:43:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:43:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:08,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:43:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:09,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:43:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:09,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:43:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:09,032 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 07:43:09,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:43:09,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114076620] [2021-11-20 07:43:09,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114076620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:43:09,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:43:09,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:43:09,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923272691] [2021-11-20 07:43:09,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:43:09,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:43:09,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:43:09,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:43:09,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:43:09,036 INFO L87 Difference]: Start difference. First operand 4839 states and 6712 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:43:16,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:20,306 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 07:43:26,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:43:26,466 INFO L93 Difference]: Finished difference Result 4839 states and 6712 transitions. [2021-11-20 07:43:26,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:43:26,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2021-11-20 07:43:26,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:43:26,490 INFO L225 Difference]: With dead ends: 4839 [2021-11-20 07:43:26,490 INFO L226 Difference]: Without dead ends: 4837 [2021-11-20 07:43:26,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:43:26,495 INFO L933 BasicCegarLoop]: 4542 mSDtfsCounter, 8015 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4199 mSolverCounterSat, 4210 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8422 SdHoareTripleChecker+Valid, 8659 SdHoareTripleChecker+Invalid, 8411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4199 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2021-11-20 07:43:26,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8422 Valid, 8659 Invalid, 8411 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4199 Invalid, 2 Unknown, 0 Unchecked, 16.7s Time] [2021-11-20 07:43:26,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4837 states. [2021-11-20 07:43:26,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4837 to 4837. [2021-11-20 07:43:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 3265 states have (on average 1.28208269525268) internal successors, (4186), 3414 states have internal predecessors, (4186), 1247 states have call successors, (1247), 303 states have call predecessors, (1247), 306 states have return successors, (1277), 1221 states have call predecessors, (1277), 1245 states have call successors, (1277) [2021-11-20 07:43:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 6710 transitions. [2021-11-20 07:43:26,989 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 6710 transitions. Word has length 101 [2021-11-20 07:43:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:43:26,990 INFO L470 AbstractCegarLoop]: Abstraction has 4837 states and 6710 transitions. [2021-11-20 07:43:26,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-20 07:43:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 6710 transitions. [2021-11-20 07:43:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-20 07:43:26,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:43:26,993 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 07:43:26,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 07:43:26,994 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:43:26,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:26,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1034326527, now seen corresponding path program 1 times [2021-11-20 07:43:26,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:26,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006835610] [2021-11-20 07:43:26,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:26,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:43:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:43:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:43:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:43:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:43:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:43:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:43:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:43:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:43:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:43:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:43:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:43:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:43:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:43:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:43:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:27,485 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 07:43:27,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:43:27,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006835610] [2021-11-20 07:43:27,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006835610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:43:27,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:43:27,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:43:27,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708284503] [2021-11-20 07:43:27,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:43:27,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:43:27,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:43:27,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:43:27,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:43:27,488 INFO L87 Difference]: Start difference. First operand 4837 states and 6710 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 07:43:35,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:37,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:43:41,178 WARN L515 Checker$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 07:43:45,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:43:45,237 INFO L93 Difference]: Finished difference Result 4837 states and 6710 transitions. [2021-11-20 07:43:45,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:43:45,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2021-11-20 07:43:45,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:43:45,261 INFO L225 Difference]: With dead ends: 4837 [2021-11-20 07:43:45,261 INFO L226 Difference]: Without dead ends: 4835 [2021-11-20 07:43:45,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:43:45,266 INFO L933 BasicCegarLoop]: 4540 mSDtfsCounter, 8009 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4197 mSolverCounterSat, 4210 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8415 SdHoareTripleChecker+Valid, 8657 SdHoareTripleChecker+Invalid, 8409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4197 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:43:45,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8415 Valid, 8657 Invalid, 8409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4197 Invalid, 2 Unknown, 0 Unchecked, 17.1s Time] [2021-11-20 07:43:45,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4835 states. [2021-11-20 07:43:45,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4835 to 4835. [2021-11-20 07:43:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4835 states, 3264 states have (on average 1.2818627450980393) internal successors, (4184), 3412 states have internal predecessors, (4184), 1247 states have call successors, (1247), 303 states have call predecessors, (1247), 306 states have return successors, (1277), 1221 states have call predecessors, (1277), 1245 states have call successors, (1277) [2021-11-20 07:43:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4835 states to 4835 states and 6708 transitions. [2021-11-20 07:43:45,741 INFO L78 Accepts]: Start accepts. Automaton has 4835 states and 6708 transitions. Word has length 107 [2021-11-20 07:43:45,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:43:45,742 INFO L470 AbstractCegarLoop]: Abstraction has 4835 states and 6708 transitions. [2021-11-20 07:43:45,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 07:43:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4835 states and 6708 transitions. [2021-11-20 07:43:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-20 07:43:45,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:43:45,745 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 07:43:45,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 07:43:45,746 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:43:45,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:43:45,746 INFO L85 PathProgramCache]: Analyzing trace with hash -885214030, now seen corresponding path program 1 times [2021-11-20 07:43:45,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:43:45,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635256310] [2021-11-20 07:43:45,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:43:45,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:43:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:43:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:43:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:43:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:43:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:43:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:43:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:43:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:43:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:43:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:43:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:43:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:43:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:43:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:43:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:43:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:43:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:43:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:43:46,216 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 07:43:46,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:43:46,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635256310] [2021-11-20 07:43:46,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635256310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:43:46,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:43:46,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:43:46,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384187575] [2021-11-20 07:43:46,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:43:46,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:43:46,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:43:46,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:43:46,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:43:46,222 INFO L87 Difference]: Start difference. First operand 4835 states and 6708 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:43:54,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:02,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:44:02,134 INFO L93 Difference]: Finished difference Result 4835 states and 6708 transitions. [2021-11-20 07:44:02,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:44:02,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2021-11-20 07:44:02,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:44:02,155 INFO L225 Difference]: With dead ends: 4835 [2021-11-20 07:44:02,155 INFO L226 Difference]: Without dead ends: 4833 [2021-11-20 07:44:02,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:44:02,159 INFO L933 BasicCegarLoop]: 4538 mSDtfsCounter, 8003 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4196 mSolverCounterSat, 4210 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8408 SdHoareTripleChecker+Valid, 8655 SdHoareTripleChecker+Invalid, 8407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4196 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:44:02,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8408 Valid, 8655 Invalid, 8407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4196 Invalid, 1 Unknown, 0 Unchecked, 15.3s Time] [2021-11-20 07:44:02,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4833 states. [2021-11-20 07:44:02,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4833 to 4833. [2021-11-20 07:44:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4833 states, 3263 states have (on average 1.2816426601287159) internal successors, (4182), 3410 states have internal predecessors, (4182), 1247 states have call successors, (1247), 303 states have call predecessors, (1247), 306 states have return successors, (1277), 1221 states have call predecessors, (1277), 1245 states have call successors, (1277) [2021-11-20 07:44:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 4833 states and 6706 transitions. [2021-11-20 07:44:02,711 INFO L78 Accepts]: Start accepts. Automaton has 4833 states and 6706 transitions. Word has length 113 [2021-11-20 07:44:02,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:44:02,711 INFO L470 AbstractCegarLoop]: Abstraction has 4833 states and 6706 transitions. [2021-11-20 07:44:02,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:44:02,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4833 states and 6706 transitions. [2021-11-20 07:44:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-20 07:44:02,715 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:44:02,716 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 07:44:02,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 07:44:02,717 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:44:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:44:02,718 INFO L85 PathProgramCache]: Analyzing trace with hash -856452765, now seen corresponding path program 1 times [2021-11-20 07:44:02,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:44:02,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549328555] [2021-11-20 07:44:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:44:02,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:44:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:44:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:44:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:44:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:44:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:44:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:44:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:44:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:44:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:44:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:44:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:44:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:44:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:44:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:44:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:44:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:44:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:44:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:03,252 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 07:44:03,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:44:03,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549328555] [2021-11-20 07:44:03,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549328555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:44:03,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:44:03,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:44:03,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102575376] [2021-11-20 07:44:03,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:44:03,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:44:03,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:44:03,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:44:03,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:44:03,255 INFO L87 Difference]: Start difference. First operand 4833 states and 6706 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:44:11,489 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:17,245 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 07:44:21,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:44:21,328 INFO L93 Difference]: Finished difference Result 4833 states and 6706 transitions. [2021-11-20 07:44:21,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:44:21,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2021-11-20 07:44:21,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:44:21,350 INFO L225 Difference]: With dead ends: 4833 [2021-11-20 07:44:21,351 INFO L226 Difference]: Without dead ends: 4831 [2021-11-20 07:44:21,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:44:21,355 INFO L933 BasicCegarLoop]: 4536 mSDtfsCounter, 7997 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4193 mSolverCounterSat, 4210 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8401 SdHoareTripleChecker+Valid, 8653 SdHoareTripleChecker+Invalid, 8405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4193 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:44:21,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8401 Valid, 8653 Invalid, 8405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4193 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2021-11-20 07:44:21,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4831 states. [2021-11-20 07:44:21,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4831 to 4831. [2021-11-20 07:44:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4831 states, 3262 states have (on average 1.2814224402207235) internal successors, (4180), 3408 states have internal predecessors, (4180), 1247 states have call successors, (1247), 303 states have call predecessors, (1247), 306 states have return successors, (1277), 1221 states have call predecessors, (1277), 1245 states have call successors, (1277) [2021-11-20 07:44:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4831 states to 4831 states and 6704 transitions. [2021-11-20 07:44:21,737 INFO L78 Accepts]: Start accepts. Automaton has 4831 states and 6704 transitions. Word has length 119 [2021-11-20 07:44:21,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:44:21,737 INFO L470 AbstractCegarLoop]: Abstraction has 4831 states and 6704 transitions. [2021-11-20 07:44:21,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:44:21,738 INFO L276 IsEmpty]: Start isEmpty. Operand 4831 states and 6704 transitions. [2021-11-20 07:44:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-20 07:44:21,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:44:21,742 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:44:21,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 07:44:21,742 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:44:21,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:44:21,743 INFO L85 PathProgramCache]: Analyzing trace with hash -911414039, now seen corresponding path program 1 times [2021-11-20 07:44:21,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:44:21,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185033971] [2021-11-20 07:44:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:44:21,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:44:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:44:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:44:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:44:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:44:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:44:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:44:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:44:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:44:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:44:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:44:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:44:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:44:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:44:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:44:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:44:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:44:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:44:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-20 07:44:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 07:44:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:44:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-20 07:44:22,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:44:22,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185033971] [2021-11-20 07:44:22,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185033971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:44:22,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:44:22,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:44:22,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065406348] [2021-11-20 07:44:22,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:44:22,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:44:22,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:44:22,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:44:22,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:44:22,553 INFO L87 Difference]: Start difference. First operand 4831 states and 6704 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:44:36,006 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 07:44:38,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:40,903 WARN L515 Checker$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 07:44:42,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:45,960 WARN L515 Checker$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 07:44:51,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:44:53,176 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:00,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:45:00,182 INFO L93 Difference]: Finished difference Result 5159 states and 7177 transitions. [2021-11-20 07:45:00,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:45:00,187 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 152 [2021-11-20 07:45:00,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:45:00,201 INFO L225 Difference]: With dead ends: 5159 [2021-11-20 07:45:00,202 INFO L226 Difference]: Without dead ends: 5157 [2021-11-20 07:45:00,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-20 07:45:00,205 INFO L933 BasicCegarLoop]: 4518 mSDtfsCounter, 9369 mSDsluCounter, 7545 mSDsCounter, 0 mSdLazyCounter, 9430 mSolverCounterSat, 6003 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9772 SdHoareTripleChecker+Valid, 12063 SdHoareTripleChecker+Invalid, 15439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6003 IncrementalHoareTripleChecker+Valid, 9430 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:45:00,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9772 Valid, 12063 Invalid, 15439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6003 Valid, 9430 Invalid, 6 Unknown, 0 Unchecked, 36.6s Time] [2021-11-20 07:45:00,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5157 states. [2021-11-20 07:45:00,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5157 to 4874. [2021-11-20 07:45:00,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 3291 states have (on average 1.2792464296566393) internal successors, (4210), 3437 states have internal predecessors, (4210), 1249 states have call successors, (1249), 315 states have call predecessors, (1249), 318 states have return successors, (1279), 1223 states have call predecessors, (1279), 1247 states have call successors, (1279) [2021-11-20 07:45:00,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 6738 transitions. [2021-11-20 07:45:00,589 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 6738 transitions. Word has length 152 [2021-11-20 07:45:00,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:45:00,590 INFO L470 AbstractCegarLoop]: Abstraction has 4874 states and 6738 transitions. [2021-11-20 07:45:00,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 6 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 07:45:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 6738 transitions. [2021-11-20 07:45:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-20 07:45:00,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:45:00,598 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, 1, 1, 1, 1, 1, 1] [2021-11-20 07:45:00,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 07:45:00,598 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:45:00,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:00,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1606466859, now seen corresponding path program 1 times [2021-11-20 07:45:00,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:00,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399670080] [2021-11-20 07:45:00,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:00,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:45:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:45:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:45:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:45:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:45:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:45:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:45:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:45:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:45:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:45:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:45:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:45:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:45:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:45:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:45:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:45:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:45:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:45:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:01,142 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 07:45:01,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:01,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399670080] [2021-11-20 07:45:01,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399670080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:01,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:01,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:45:01,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376521762] [2021-11-20 07:45:01,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:01,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:01,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:01,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:01,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:01,145 INFO L87 Difference]: Start difference. First operand 4874 states and 6738 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 07:45:09,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:12,116 WARN L515 Checker$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 07:45:15,365 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 07:45:19,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:45:19,896 INFO L93 Difference]: Finished difference Result 4874 states and 6738 transitions. [2021-11-20 07:45:19,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:45:19,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125 [2021-11-20 07:45:19,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:45:19,916 INFO L225 Difference]: With dead ends: 4874 [2021-11-20 07:45:19,916 INFO L226 Difference]: Without dead ends: 4872 [2021-11-20 07:45:19,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:45:19,919 INFO L933 BasicCegarLoop]: 4534 mSDtfsCounter, 7991 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4190 mSolverCounterSat, 4210 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8394 SdHoareTripleChecker+Valid, 8651 SdHoareTripleChecker+Invalid, 8403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4190 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:45:19,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8394 Valid, 8651 Invalid, 8403 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4190 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2021-11-20 07:45:19,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2021-11-20 07:45:20,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4872. [2021-11-20 07:45:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4872 states, 3290 states have (on average 1.2790273556231002) internal successors, (4208), 3435 states have internal predecessors, (4208), 1249 states have call successors, (1249), 315 states have call predecessors, (1249), 318 states have return successors, (1279), 1223 states have call predecessors, (1279), 1247 states have call successors, (1279) [2021-11-20 07:45:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 6736 transitions. [2021-11-20 07:45:20,377 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 6736 transitions. Word has length 125 [2021-11-20 07:45:20,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:45:20,378 INFO L470 AbstractCegarLoop]: Abstraction has 4872 states and 6736 transitions. [2021-11-20 07:45:20,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 07:45:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 6736 transitions. [2021-11-20 07:45:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-20 07:45:20,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:45:20,386 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:45:20,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 07:45:20,387 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:45:20,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:20,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1119896080, now seen corresponding path program 1 times [2021-11-20 07:45:20,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:20,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437988905] [2021-11-20 07:45:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:20,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:45:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:45:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:45:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:45:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:45:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 07:45:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:45:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:45:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:45:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-20 07:45:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:45:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:45:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:45:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:45:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-20 07:45:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:21,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:45:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:45:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-20 07:45:21,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:21,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437988905] [2021-11-20 07:45:21,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437988905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:21,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:21,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:45:21,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616934174] [2021-11-20 07:45:21,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:21,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:21,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:21,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:21,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:21,029 INFO L87 Difference]: Start difference. First operand 4872 states and 6736 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-20 07:45:32,781 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:34,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:42,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:45:42,305 INFO L93 Difference]: Finished difference Result 10899 states and 15265 transitions. [2021-11-20 07:45:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:45:42,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 144 [2021-11-20 07:45:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:45:42,328 INFO L225 Difference]: With dead ends: 10899 [2021-11-20 07:45:42,329 INFO L226 Difference]: Without dead ends: 6271 [2021-11-20 07:45:42,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:45:42,348 INFO L933 BasicCegarLoop]: 6398 mSDtfsCounter, 3602 mSDsluCounter, 14683 mSDsCounter, 0 mSdLazyCounter, 7065 mSolverCounterSat, 1868 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4328 SdHoareTripleChecker+Valid, 21081 SdHoareTripleChecker+Invalid, 8934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1868 IncrementalHoareTripleChecker+Valid, 7065 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:45:42,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4328 Valid, 21081 Invalid, 8934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1868 Valid, 7065 Invalid, 1 Unknown, 0 Unchecked, 20.2s Time] [2021-11-20 07:45:42,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6271 states. [2021-11-20 07:45:42,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6271 to 4875. [2021-11-20 07:45:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4875 states, 3293 states have (on average 1.2787731551776496) internal successors, (4211), 3438 states have internal predecessors, (4211), 1249 states have call successors, (1249), 315 states have call predecessors, (1249), 318 states have return successors, (1279), 1223 states have call predecessors, (1279), 1247 states have call successors, (1279) [2021-11-20 07:45:42,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 4875 states and 6739 transitions. [2021-11-20 07:45:42,891 INFO L78 Accepts]: Start accepts. Automaton has 4875 states and 6739 transitions. Word has length 144 [2021-11-20 07:45:42,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:45:42,891 INFO L470 AbstractCegarLoop]: Abstraction has 4875 states and 6739 transitions. [2021-11-20 07:45:42,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-20 07:45:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 6739 transitions. [2021-11-20 07:45:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-20 07:45:42,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:45:42,894 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:45:42,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 07:45:42,895 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:45:42,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:42,895 INFO L85 PathProgramCache]: Analyzing trace with hash 2003989215, now seen corresponding path program 1 times [2021-11-20 07:45:42,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:42,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4337116] [2021-11-20 07:45:42,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:42,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:45:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:45:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:45:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:45:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:45:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:45:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:45:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:45:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:45:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:45:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:45:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:45:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:45:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:45:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:45:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:45:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:45:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:45:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:45:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:45:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:43,479 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 07:45:43,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:43,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4337116] [2021-11-20 07:45:43,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4337116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:43,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:43,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:45:43,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141239397] [2021-11-20 07:45:43,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:43,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:43,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:43,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:43,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:43,482 INFO L87 Difference]: Start difference. First operand 4875 states and 6739 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 07:45:52,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:54,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:45:58,422 WARN L515 Checker$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 07:46:03,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:46:03,548 INFO L93 Difference]: Finished difference Result 4875 states and 6739 transitions. [2021-11-20 07:46:03,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:46:03,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2021-11-20 07:46:03,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:46:03,564 INFO L225 Difference]: With dead ends: 4875 [2021-11-20 07:46:03,564 INFO L226 Difference]: Without dead ends: 4873 [2021-11-20 07:46:03,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:46:03,567 INFO L933 BasicCegarLoop]: 4532 mSDtfsCounter, 7985 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4188 mSolverCounterSat, 4210 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8387 SdHoareTripleChecker+Valid, 8649 SdHoareTripleChecker+Invalid, 8401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4188 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:46:03,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8387 Valid, 8649 Invalid, 8401 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4188 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2021-11-20 07:46:03,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4873 states. [2021-11-20 07:46:03,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4873 to 4873. [2021-11-20 07:46:04,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 3292 states have (on average 1.278554070473876) internal successors, (4209), 3436 states have internal predecessors, (4209), 1249 states have call successors, (1249), 315 states have call predecessors, (1249), 318 states have return successors, (1279), 1223 states have call predecessors, (1279), 1247 states have call successors, (1279) [2021-11-20 07:46:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 6737 transitions. [2021-11-20 07:46:04,022 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 6737 transitions. Word has length 131 [2021-11-20 07:46:04,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:46:04,022 INFO L470 AbstractCegarLoop]: Abstraction has 4873 states and 6737 transitions. [2021-11-20 07:46:04,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-20 07:46:04,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 6737 transitions. [2021-11-20 07:46:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-20 07:46:04,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:46:04,025 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:46:04,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 07:46:04,025 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:46:04,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:46:04,026 INFO L85 PathProgramCache]: Analyzing trace with hash -964684181, now seen corresponding path program 1 times [2021-11-20 07:46:04,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:46:04,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644738647] [2021-11-20 07:46:04,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:46:04,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:46:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:46:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:46:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:46:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:46:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:46:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:46:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:46:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 07:46:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 07:46:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:46:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:46:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:46:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:46:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:46:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:46:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:46:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:46:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:46:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:46:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:46:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:46:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:46:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:46:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:46:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 07:46:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:46:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:46:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:46:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:46:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 07:46:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:46:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-20 07:46:04,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:46:04,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644738647] [2021-11-20 07:46:04,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644738647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:46:04,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:46:04,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:46:04,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343168905] [2021-11-20 07:46:04,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:46:04,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:46:04,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:46:04,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:46:04,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:46:04,940 INFO L87 Difference]: Start difference. First operand 4873 states and 6737 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:46:19,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:21,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:23,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:29,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:31,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:33,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:35,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:37,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:40,138 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:42,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:44,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:48,561 WARN L515 Checker$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 07:46:50,590 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:46:52,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:03,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:47:03,128 INFO L93 Difference]: Finished difference Result 10058 states and 14064 transitions. [2021-11-20 07:47:03,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:47:03,129 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 179 [2021-11-20 07:47:03,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:47:03,154 INFO L225 Difference]: With dead ends: 10058 [2021-11-20 07:47:03,155 INFO L226 Difference]: Without dead ends: 5222 [2021-11-20 07:47:03,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2021-11-20 07:47:03,169 INFO L933 BasicCegarLoop]: 4546 mSDtfsCounter, 9305 mSDsluCounter, 8425 mSDsCounter, 0 mSdLazyCounter, 13765 mSolverCounterSat, 6003 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9702 SdHoareTripleChecker+Valid, 12971 SdHoareTripleChecker+Invalid, 19780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6003 IncrementalHoareTripleChecker+Valid, 13765 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:47:03,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9702 Valid, 12971 Invalid, 19780 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6003 Valid, 13765 Invalid, 12 Unknown, 0 Unchecked, 57.0s Time] [2021-11-20 07:47:03,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5222 states. [2021-11-20 07:47:03,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5222 to 4941. [2021-11-20 07:47:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4941 states, 3340 states have (on average 1.2763473053892216) internal successors, (4263), 3484 states have internal predecessors, (4263), 1259 states have call successors, (1259), 325 states have call predecessors, (1259), 328 states have return successors, (1289), 1233 states have call predecessors, (1289), 1257 states have call successors, (1289) [2021-11-20 07:47:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 4941 states and 6811 transitions. [2021-11-20 07:47:03,791 INFO L78 Accepts]: Start accepts. Automaton has 4941 states and 6811 transitions. Word has length 179 [2021-11-20 07:47:03,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:47:03,791 INFO L470 AbstractCegarLoop]: Abstraction has 4941 states and 6811 transitions. [2021-11-20 07:47:03,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:47:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 6811 transitions. [2021-11-20 07:47:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-20 07:47:03,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:47:03,794 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:47:03,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-20 07:47:03,795 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:47:03,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:47:03,795 INFO L85 PathProgramCache]: Analyzing trace with hash -964624599, now seen corresponding path program 1 times [2021-11-20 07:47:03,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:47:03,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019747206] [2021-11-20 07:47:03,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:47:03,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:47:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:47:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:47:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:47:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:47:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:47:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:47:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 07:47:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 07:47:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:47:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:47:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:47:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:47:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:47:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:47:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:47:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:47:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:47:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:47:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:47:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 07:47:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:47:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:47:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:47:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 07:47:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-20 07:47:04,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:47:04,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019747206] [2021-11-20 07:47:04,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019747206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:47:04,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:47:04,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:47:04,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521404062] [2021-11-20 07:47:04,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:47:04,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:47:04,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:47:04,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:47:04,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:47:04,605 INFO L87 Difference]: Start difference. First operand 4941 states and 6811 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-20 07:47:15,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:18,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:23,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:24,747 WARN L515 Checker$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 07:47:26,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:28,831 WARN L515 Checker$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 07:47:33,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:35,302 WARN L515 Checker$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 07:47:43,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:47:43,073 INFO L93 Difference]: Finished difference Result 5222 states and 7247 transitions. [2021-11-20 07:47:43,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:47:43,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 179 [2021-11-20 07:47:43,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:47:43,104 INFO L225 Difference]: With dead ends: 5222 [2021-11-20 07:47:43,105 INFO L226 Difference]: Without dead ends: 5220 [2021-11-20 07:47:43,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:47:43,111 INFO L933 BasicCegarLoop]: 4520 mSDtfsCounter, 5692 mSDsluCounter, 7500 mSDsCounter, 0 mSdLazyCounter, 9346 mSolverCounterSat, 4673 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5692 SdHoareTripleChecker+Valid, 12020 SdHoareTripleChecker+Invalid, 14024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4673 IncrementalHoareTripleChecker+Valid, 9346 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:47:43,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5692 Valid, 12020 Invalid, 14024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4673 Valid, 9346 Invalid, 5 Unknown, 0 Unchecked, 37.5s Time] [2021-11-20 07:47:43,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5220 states. [2021-11-20 07:47:43,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5220 to 4939. [2021-11-20 07:47:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 3339 states have (on average 1.275831087151842) internal successors, (4260), 3482 states have internal predecessors, (4260), 1259 states have call successors, (1259), 325 states have call predecessors, (1259), 328 states have return successors, (1289), 1233 states have call predecessors, (1289), 1257 states have call successors, (1289) [2021-11-20 07:47:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 6808 transitions. [2021-11-20 07:47:43,734 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 6808 transitions. Word has length 179 [2021-11-20 07:47:43,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:47:43,734 INFO L470 AbstractCegarLoop]: Abstraction has 4939 states and 6808 transitions. [2021-11-20 07:47:43,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-20 07:47:43,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 6808 transitions. [2021-11-20 07:47:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-20 07:47:43,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:47:43,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:47:43,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-20 07:47:43,738 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:47:43,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:47:43,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1793853837, now seen corresponding path program 1 times [2021-11-20 07:47:43,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:47:43,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233226835] [2021-11-20 07:47:43,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:47:43,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:47:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:47:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:47:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:47:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:47:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:47:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:47:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:47:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:47:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:47:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:47:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:47:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:47:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:47:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:47:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:47:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:47:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:47:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:47:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:47:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:47:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:47:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:44,305 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 07:47:44,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:47:44,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233226835] [2021-11-20 07:47:44,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233226835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:47:44,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:47:44,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:47:44,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797297853] [2021-11-20 07:47:44,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:47:44,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:47:44,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:47:44,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:47:44,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:47:44,308 INFO L87 Difference]: Start difference. First operand 4939 states and 6808 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:47:47,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:52,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:47:56,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:03,416 WARN L515 Checker$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 07:48:04,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:48:04,151 INFO L93 Difference]: Finished difference Result 4939 states and 6808 transitions. [2021-11-20 07:48:04,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:04,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2021-11-20 07:48:04,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:48:04,171 INFO L225 Difference]: With dead ends: 4939 [2021-11-20 07:48:04,171 INFO L226 Difference]: Without dead ends: 4937 [2021-11-20 07:48:04,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:48:04,175 INFO L933 BasicCegarLoop]: 4527 mSDtfsCounter, 7970 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4185 mSolverCounterSat, 4210 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8371 SdHoareTripleChecker+Valid, 8644 SdHoareTripleChecker+Invalid, 8396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4185 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:48:04,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8371 Valid, 8644 Invalid, 8396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4185 Invalid, 1 Unknown, 0 Unchecked, 19.0s Time] [2021-11-20 07:48:04,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4937 states. [2021-11-20 07:48:04,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4937 to 4937. [2021-11-20 07:48:04,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 3338 states have (on average 1.2756141402037149) internal successors, (4258), 3480 states have internal predecessors, (4258), 1259 states have call successors, (1259), 325 states have call predecessors, (1259), 328 states have return successors, (1289), 1233 states have call predecessors, (1289), 1257 states have call successors, (1289) [2021-11-20 07:48:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 6806 transitions. [2021-11-20 07:48:04,821 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 6806 transitions. Word has length 137 [2021-11-20 07:48:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:48:04,821 INFO L470 AbstractCegarLoop]: Abstraction has 4937 states and 6806 transitions. [2021-11-20 07:48:04,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-20 07:48:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 6806 transitions. [2021-11-20 07:48:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-20 07:48:04,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:48:04,825 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:48:04,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-20 07:48:04,825 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:48:04,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:04,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1623565713, now seen corresponding path program 1 times [2021-11-20 07:48:04,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:04,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473020014] [2021-11-20 07:48:04,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:04,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:48:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:48:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:48:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:48:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:48:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:48:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 07:48:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 07:48:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:48:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:48:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:48:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:48:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:48:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:48:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:48:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:48:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:48:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:48:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:48:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 07:48:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:48:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:48:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:48:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 07:48:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-20 07:48:05,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:05,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473020014] [2021-11-20 07:48:05,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473020014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:05,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:05,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:48:05,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612472929] [2021-11-20 07:48:05,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:05,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:48:05,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:05,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:48:05,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:48:05,481 INFO L87 Difference]: Start difference. First operand 4937 states and 6806 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:48:14,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:16,686 WARN L515 Checker$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 07:48:24,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:48:24,587 INFO L93 Difference]: Finished difference Result 10112 states and 14119 transitions. [2021-11-20 07:48:24,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:48:24,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 183 [2021-11-20 07:48:24,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:48:24,614 INFO L225 Difference]: With dead ends: 10112 [2021-11-20 07:48:24,615 INFO L226 Difference]: Without dead ends: 5212 [2021-11-20 07:48:24,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:48:24,636 INFO L933 BasicCegarLoop]: 4514 mSDtfsCounter, 9273 mSDsluCounter, 2862 mSDsCounter, 0 mSdLazyCounter, 3623 mSolverCounterSat, 5975 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9687 SdHoareTripleChecker+Valid, 7376 SdHoareTripleChecker+Invalid, 9600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5975 IncrementalHoareTripleChecker+Valid, 3623 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:48:24,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9687 Valid, 7376 Invalid, 9600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5975 Valid, 3623 Invalid, 2 Unknown, 0 Unchecked, 18.2s Time] [2021-11-20 07:48:24,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2021-11-20 07:48:25,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 4931. [2021-11-20 07:48:25,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4931 states, 3333 states have (on average 1.2748274827482748) internal successors, (4249), 3474 states have internal predecessors, (4249), 1259 states have call successors, (1259), 325 states have call predecessors, (1259), 328 states have return successors, (1289), 1233 states have call predecessors, (1289), 1257 states have call successors, (1289) [2021-11-20 07:48:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4931 states to 4931 states and 6797 transitions. [2021-11-20 07:48:25,252 INFO L78 Accepts]: Start accepts. Automaton has 4931 states and 6797 transitions. Word has length 183 [2021-11-20 07:48:25,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:48:25,253 INFO L470 AbstractCegarLoop]: Abstraction has 4931 states and 6797 transitions. [2021-11-20 07:48:25,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-20 07:48:25,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4931 states and 6797 transitions. [2021-11-20 07:48:25,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-20 07:48:25,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:48:25,257 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:48:25,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-20 07:48:25,257 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:48:25,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:48:25,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1716057301, now seen corresponding path program 1 times [2021-11-20 07:48:25,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:48:25,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294955786] [2021-11-20 07:48:25,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:48:25,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:48:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:48:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:48:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:48:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 07:48:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 07:48:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 07:48:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:48:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:48:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:48:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:48:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:48:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 07:48:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:48:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:48:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:48:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:48:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:48:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-20 07:48:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-20 07:48:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 07:48:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-20 07:48:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-20 07:48:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 07:48:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:48:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-20 07:48:25,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:48:25,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294955786] [2021-11-20 07:48:25,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294955786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:48:25,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:48:25,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:48:25,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487477255] [2021-11-20 07:48:25,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:48:25,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:48:25,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:48:25,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:48:25,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:48:25,981 INFO L87 Difference]: Start difference. First operand 4931 states and 6797 transitions. Second operand has 9 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (24), 7 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-20 07:48:40,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:46,835 WARN L515 Checker$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 07:48:48,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:50,523 WARN L515 Checker$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 07:48:51,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:48:54,244 WARN L515 Checker$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 07:48:59,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:49:01,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:49:02,862 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 07:49:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:49:12,821 INFO L93 Difference]: Finished difference Result 5255 states and 7292 transitions. [2021-11-20 07:49:12,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 07:49:12,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (24), 7 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 173 [2021-11-20 07:49:12,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:49:12,848 INFO L225 Difference]: With dead ends: 5255 [2021-11-20 07:49:12,848 INFO L226 Difference]: Without dead ends: 5253 [2021-11-20 07:49:12,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-11-20 07:49:12,853 INFO L933 BasicCegarLoop]: 4533 mSDtfsCounter, 8050 mSDsluCounter, 9709 mSDsCounter, 0 mSdLazyCounter, 13791 mSolverCounterSat, 6450 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8054 SdHoareTripleChecker+Valid, 14242 SdHoareTripleChecker+Invalid, 20247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6450 IncrementalHoareTripleChecker+Valid, 13791 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:49:12,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8054 Valid, 14242 Invalid, 20247 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6450 Valid, 13791 Invalid, 6 Unknown, 0 Unchecked, 45.6s Time] [2021-11-20 07:49:12,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2021-11-20 07:49:13,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 4931. [2021-11-20 07:49:13,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4931 states, 3333 states have (on average 1.2745274527452746) internal successors, (4248), 3474 states have internal predecessors, (4248), 1259 states have call successors, (1259), 325 states have call predecessors, (1259), 328 states have return successors, (1289), 1233 states have call predecessors, (1289), 1257 states have call successors, (1289) [2021-11-20 07:49:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4931 states to 4931 states and 6796 transitions. [2021-11-20 07:49:13,421 INFO L78 Accepts]: Start accepts. Automaton has 4931 states and 6796 transitions. Word has length 173 [2021-11-20 07:49:13,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:49:13,422 INFO L470 AbstractCegarLoop]: Abstraction has 4931 states and 6796 transitions. [2021-11-20 07:49:13,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.375) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (24), 7 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-20 07:49:13,422 INFO L276 IsEmpty]: Start isEmpty. Operand 4931 states and 6796 transitions. [2021-11-20 07:49:13,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-20 07:49:13,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:49:13,427 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, 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 07:49:13,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-20 07:49:13,427 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:49:13,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:13,428 INFO L85 PathProgramCache]: Analyzing trace with hash -844934630, now seen corresponding path program 1 times [2021-11-20 07:49:13,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:13,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362554935] [2021-11-20 07:49:13,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:13,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:49:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:49:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:49:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:49:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:49:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:49:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:49:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:49:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:49:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:49:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:49:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:49:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:49:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:49:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:49:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:49:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:49:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:49:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:49:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:49:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:49:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 07:49:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,945 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 07:49:13,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:13,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362554935] [2021-11-20 07:49:13,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362554935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:13,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:13,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:49:13,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122640540] [2021-11-20 07:49:13,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:13,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:49:13,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:13,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:49:13,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:49:13,949 INFO L87 Difference]: Start difference. First operand 4931 states and 6796 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:49:21,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:49:24,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:49:28,063 WARN L515 Checker$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 07:49:32,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:49:32,670 INFO L93 Difference]: Finished difference Result 4931 states and 6796 transitions. [2021-11-20 07:49:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:32,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2021-11-20 07:49:32,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:49:32,691 INFO L225 Difference]: With dead ends: 4931 [2021-11-20 07:49:32,692 INFO L226 Difference]: Without dead ends: 4929 [2021-11-20 07:49:32,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:49:32,696 INFO L933 BasicCegarLoop]: 4520 mSDtfsCounter, 7949 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4177 mSolverCounterSat, 4210 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8349 SdHoareTripleChecker+Valid, 8637 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4177 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-11-20 07:49:32,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8349 Valid, 8637 Invalid, 8389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4177 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2021-11-20 07:49:32,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4929 states. [2021-11-20 07:49:33,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4929 to 4929. [2021-11-20 07:49:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4929 states, 3332 states have (on average 1.2743097238895558) internal successors, (4246), 3472 states have internal predecessors, (4246), 1259 states have call successors, (1259), 325 states have call predecessors, (1259), 328 states have return successors, (1289), 1233 states have call predecessors, (1289), 1257 states have call successors, (1289) [2021-11-20 07:49:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4929 states to 4929 states and 6794 transitions. [2021-11-20 07:49:33,139 INFO L78 Accepts]: Start accepts. Automaton has 4929 states and 6794 transitions. Word has length 143 [2021-11-20 07:49:33,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:49:33,140 INFO L470 AbstractCegarLoop]: Abstraction has 4929 states and 6794 transitions. [2021-11-20 07:49:33,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:49:33,140 INFO L276 IsEmpty]: Start isEmpty. Operand 4929 states and 6794 transitions. [2021-11-20 07:49:33,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-20 07:49:33,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:49:33,144 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, 1, 1, 1, 1, 1, 1, 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 07:49:33,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-20 07:49:33,144 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:49:33,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:33,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1710693384, now seen corresponding path program 1 times [2021-11-20 07:49:33,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:33,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648437538] [2021-11-20 07:49:33,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:33,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:49:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:49:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:49:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:49:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:49:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:49:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:49:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:49:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:49:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:49:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:49:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:49:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:49:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:49:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:49:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:49:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:49:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:49:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:49:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:49:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:49:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 07:49:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-20 07:49:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:33,667 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 07:49:33,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:33,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648437538] [2021-11-20 07:49:33,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648437538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:33,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:33,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:49:33,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258284210] [2021-11-20 07:49:33,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:33,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:49:33,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:33,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:49:33,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:49:33,669 INFO L87 Difference]: Start difference. First operand 4929 states and 6794 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 07:49:41,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:49:45,374 WARN L515 Checker$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 07:49:48,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:49:53,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:49:53,804 INFO L93 Difference]: Finished difference Result 4929 states and 6794 transitions. [2021-11-20 07:49:53,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:53,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 149 [2021-11-20 07:49:53,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:49:53,819 INFO L225 Difference]: With dead ends: 4929 [2021-11-20 07:49:53,819 INFO L226 Difference]: Without dead ends: 4927 [2021-11-20 07:49:53,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:49:53,823 INFO L933 BasicCegarLoop]: 4518 mSDtfsCounter, 7943 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4175 mSolverCounterSat, 4210 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8342 SdHoareTripleChecker+Valid, 8635 SdHoareTripleChecker+Invalid, 8387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4175 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:49:53,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8342 Valid, 8635 Invalid, 8387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4175 Invalid, 2 Unknown, 0 Unchecked, 19.3s Time] [2021-11-20 07:49:53,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4927 states. [2021-11-20 07:49:54,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4927 to 4927. [2021-11-20 07:49:54,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4927 states, 3331 states have (on average 1.2740918643050134) internal successors, (4244), 3470 states have internal predecessors, (4244), 1259 states have call successors, (1259), 325 states have call predecessors, (1259), 328 states have return successors, (1289), 1233 states have call predecessors, (1289), 1257 states have call successors, (1289) [2021-11-20 07:49:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4927 states to 4927 states and 6792 transitions. [2021-11-20 07:49:54,328 INFO L78 Accepts]: Start accepts. Automaton has 4927 states and 6792 transitions. Word has length 149 [2021-11-20 07:49:54,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:49:54,329 INFO L470 AbstractCegarLoop]: Abstraction has 4927 states and 6792 transitions. [2021-11-20 07:49:54,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 07:49:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 4927 states and 6792 transitions. [2021-11-20 07:49:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-20 07:49:54,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:49:54,334 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:49:54,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-20 07:49:54,334 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:49:54,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:54,335 INFO L85 PathProgramCache]: Analyzing trace with hash 552521673, now seen corresponding path program 1 times [2021-11-20 07:49:54,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:54,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753381145] [2021-11-20 07:49:54,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:54,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:49:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:49:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:49:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:49:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:49:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:49:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:49:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:49:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:49:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:49:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:49:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:49:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:49:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:49:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:49:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:49:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:49:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:49:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:49:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:49:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:49:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 07:49:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-20 07:49:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 07:49:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:54,850 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 07:49:54,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:54,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753381145] [2021-11-20 07:49:54,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753381145] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:54,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:54,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:49:54,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893205769] [2021-11-20 07:49:54,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:54,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:49:54,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:54,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:49:54,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:49:54,853 INFO L87 Difference]: Start difference. First operand 4927 states and 6792 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 07:50:02,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:50:06,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:50:09,335 WARN L515 Checker$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 07:50:13,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:50:13,193 INFO L93 Difference]: Finished difference Result 4927 states and 6792 transitions. [2021-11-20 07:50:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:50:13,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 155 [2021-11-20 07:50:13,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:50:13,207 INFO L225 Difference]: With dead ends: 4927 [2021-11-20 07:50:13,207 INFO L226 Difference]: Without dead ends: 4925 [2021-11-20 07:50:13,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:50:13,210 INFO L933 BasicCegarLoop]: 4516 mSDtfsCounter, 7937 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4173 mSolverCounterSat, 4210 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8335 SdHoareTripleChecker+Valid, 8633 SdHoareTripleChecker+Invalid, 8385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4173 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:50:13,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8335 Valid, 8633 Invalid, 8385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4173 Invalid, 2 Unknown, 0 Unchecked, 17.5s Time] [2021-11-20 07:50:13,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4925 states. [2021-11-20 07:50:13,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4925 to 4925. [2021-11-20 07:50:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4925 states, 3330 states have (on average 1.273873873873874) internal successors, (4242), 3468 states have internal predecessors, (4242), 1259 states have call successors, (1259), 325 states have call predecessors, (1259), 328 states have return successors, (1289), 1233 states have call predecessors, (1289), 1257 states have call successors, (1289) [2021-11-20 07:50:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4925 states to 4925 states and 6790 transitions. [2021-11-20 07:50:13,597 INFO L78 Accepts]: Start accepts. Automaton has 4925 states and 6790 transitions. Word has length 155 [2021-11-20 07:50:13,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:50:13,597 INFO L470 AbstractCegarLoop]: Abstraction has 4925 states and 6790 transitions. [2021-11-20 07:50:13,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 07:50:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 4925 states and 6790 transitions. [2021-11-20 07:50:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-20 07:50:13,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:50:13,601 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:50:13,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-20 07:50:13,601 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:50:13,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:50:13,602 INFO L85 PathProgramCache]: Analyzing trace with hash 161112961, now seen corresponding path program 1 times [2021-11-20 07:50:13,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:50:13,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918800293] [2021-11-20 07:50:13,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:50:13,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:50:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:50:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:50:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:50:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:50:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:50:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:50:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:50:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:50:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 07:50:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 07:50:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 07:50:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 07:50:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 07:50:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 07:50:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 07:50:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-20 07:50:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-20 07:50:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 07:50:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:50:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-20 07:50:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-20 07:50:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-20 07:50:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-20 07:50:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-20 07:50:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-20 07:50:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:13,976 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 07:50:13,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:50:13,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918800293] [2021-11-20 07:50:13,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918800293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:50:13,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:50:13,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:50:13,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414990592] [2021-11-20 07:50:13,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:50:13,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:50:13,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:50:13,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:50:13,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:50:13,979 INFO L87 Difference]: Start difference. First operand 4925 states and 6790 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 07:50:20,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 07:50:26,415 WARN L515 Checker$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 07:50:30,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:50:30,538 INFO L93 Difference]: Finished difference Result 4925 states and 6790 transitions. [2021-11-20 07:50:30,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:50:30,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2021-11-20 07:50:30,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:50:30,552 INFO L225 Difference]: With dead ends: 4925 [2021-11-20 07:50:30,552 INFO L226 Difference]: Without dead ends: 4923 [2021-11-20 07:50:30,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:50:30,555 INFO L933 BasicCegarLoop]: 4514 mSDtfsCounter, 7931 mSDsluCounter, 4117 mSDsCounter, 0 mSdLazyCounter, 4171 mSolverCounterSat, 4210 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8328 SdHoareTripleChecker+Valid, 8631 SdHoareTripleChecker+Invalid, 8383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4210 IncrementalHoareTripleChecker+Valid, 4171 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:50:30,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8328 Valid, 8631 Invalid, 8383 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4210 Valid, 4171 Invalid, 2 Unknown, 0 Unchecked, 15.8s Time] [2021-11-20 07:50:30,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4923 states. [2021-11-20 07:50:30,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4923 to 4923. [2021-11-20 07:50:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4923 states, 3329 states have (on average 1.2736557524782217) internal successors, (4240), 3466 states have internal predecessors, (4240), 1259 states have call successors, (1259), 325 states have call predecessors, (1259), 328 states have return successors, (1289), 1233 states have call predecessors, (1289), 1257 states have call successors, (1289) [2021-11-20 07:50:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 6788 transitions. [2021-11-20 07:50:30,996 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 6788 transitions. Word has length 161 [2021-11-20 07:50:30,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:50:30,996 INFO L470 AbstractCegarLoop]: Abstraction has 4923 states and 6788 transitions. [2021-11-20 07:50:30,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 07:50:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 6788 transitions. [2021-11-20 07:50:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-20 07:50:30,999 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:50:31,000 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:50:31,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-20 07:50:31,000 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-20 07:50:31,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:50:31,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1398752936, now seen corresponding path program 1 times [2021-11-20 07:50:31,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:50:31,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565385930] [2021-11-20 07:50:31,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:50:31,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:50:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:50:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:50:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:50:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:50:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:50:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:50:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 07:50:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 07:50:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 07:50:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:50:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:50:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:50:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:50:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:50:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:50:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:50:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-20 07:50:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:50:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:50:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:50:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 07:50:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:50:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:50:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:50:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-20 07:50:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:50:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:50:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:50:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-20 07:50:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-20 07:50:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-20 07:50:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:50:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:50:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 07:50:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 07:50:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 07:50:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:50:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-20 07:50:31,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:50:31,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565385930] [2021-11-20 07:50:31,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565385930] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:50:31,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:50:31,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:50:31,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159900965] [2021-11-20 07:50:31,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:50:31,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:50:31,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:50:31,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:50:31,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:50:31,728 INFO L87 Difference]: Start difference. First operand 4923 states and 6788 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)