./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/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_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU --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-9ad7fb2 [2021-11-02 22:53:48,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:53:48,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:53:48,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:53:48,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:53:48,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:53:48,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:53:48,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:53:48,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:53:48,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:53:48,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:53:48,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:53:48,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:53:48,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:53:48,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:53:48,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:53:48,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:53:48,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:53:48,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:53:48,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:53:48,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:53:48,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:53:48,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:53:48,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:53:48,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:53:48,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:53:48,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:53:48,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:53:48,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:53:48,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:53:48,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:53:48,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:53:48,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:53:48,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:53:48,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:53:48,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:53:48,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:53:48,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:53:48,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:53:48,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:53:48,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:53:48,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 22:53:49,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:53:49,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:53:49,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:53:49,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:53:49,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:53:49,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:53:49,019 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:53:49,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:53:49,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:53:49,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:53:49,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:53:49,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:53:49,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:53:49,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:53:49,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:53:49,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:53:49,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:53:49,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:53:49,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:53:49,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:53:49,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:53:49,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:53:49,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:53:49,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:53:49,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:53:49,024 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:53:49,025 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:53:49,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:53:49,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:53:49,025 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_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 668079de19bf0a3b986283cdf2026e08e0cc89de10c7b91fb412db22c303859d [2021-11-02 22:53:49,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:53:49,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:53:49,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:53:49,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:53:49,305 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:53:49,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-02 22:53:49,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/data/47b21c1e2/8533fb7250f8486680765c788040ff99/FLAGcd1c9ad7a [2021-11-02 22:53:50,538 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:53:50,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-02 22:53:50,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/data/47b21c1e2/8533fb7250f8486680765c788040ff99/FLAGcd1c9ad7a [2021-11-02 22:53:50,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/data/47b21c1e2/8533fb7250f8486680765c788040ff99 [2021-11-02 22:53:50,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:53:50,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:53:50,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:53:50,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:53:50,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:53:50,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:53:50" (1/1) ... [2021-11-02 22:53:50,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdc38f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:50, skipping insertion in model container [2021-11-02 22:53:50,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:53:50" (1/1) ... [2021-11-02 22:53:50,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:53:51,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:53:57,819 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575119,575132] [2021-11-02 22:53:57,822 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575264,575277] [2021-11-02 22:53:57,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575410,575423] [2021-11-02 22:53:57,823 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575575,575588] [2021-11-02 22:53:57,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575733,575746] [2021-11-02 22:53:57,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575891,575904] [2021-11-02 22:53:57,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576049,576062] [2021-11-02 22:53:57,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576209,576222] [2021-11-02 22:53:57,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576368,576381] [2021-11-02 22:53:57,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576507,576520] [2021-11-02 22:53:57,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576649,576662] [2021-11-02 22:53:57,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576798,576811] [2021-11-02 22:53:57,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576937,576950] [2021-11-02 22:53:57,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577092,577105] [2021-11-02 22:53:57,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577252,577265] [2021-11-02 22:53:57,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577403,577416] [2021-11-02 22:53:57,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577554,577567] [2021-11-02 22:53:57,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577706,577719] [2021-11-02 22:53:57,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577855,577868] [2021-11-02 22:53:57,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578003,578016] [2021-11-02 22:53:57,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578160,578173] [2021-11-02 22:53:57,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578309,578322] [2021-11-02 22:53:57,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578465,578478] [2021-11-02 22:53:57,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578618,578631] [2021-11-02 22:53:57,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578764,578777] [2021-11-02 22:53:57,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578907,578920] [2021-11-02 22:53:57,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579059,579072] [2021-11-02 22:53:57,857 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579205,579218] [2021-11-02 22:53:57,857 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579350,579363] [2021-11-02 22:53:57,858 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579504,579517] [2021-11-02 22:53:57,859 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579655,579668] [2021-11-02 22:53:57,860 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579810,579823] [2021-11-02 22:53:57,862 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579962,579975] [2021-11-02 22:53:57,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580117,580130] [2021-11-02 22:53:57,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580281,580294] [2021-11-02 22:53:57,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580437,580450] [2021-11-02 22:53:57,866 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580601,580614] [2021-11-02 22:53:57,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580743,580756] [2021-11-02 22:53:57,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580901,580914] [2021-11-02 22:53:57,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581068,581081] [2021-11-02 22:53:57,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581227,581240] [2021-11-02 22:53:57,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581386,581399] [2021-11-02 22:53:57,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581535,581548] [2021-11-02 22:53:57,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581682,581695] [2021-11-02 22:53:57,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581821,581834] [2021-11-02 22:53:57,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581984,581997] [2021-11-02 22:53:57,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582150,582163] [2021-11-02 22:53:57,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582314,582327] [2021-11-02 22:53:57,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582479,582492] [2021-11-02 22:53:57,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582644,582657] [2021-11-02 22:53:57,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582810,582823] [2021-11-02 22:53:57,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582975,582988] [2021-11-02 22:53:57,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583142,583155] [2021-11-02 22:53:57,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583302,583315] [2021-11-02 22:53:57,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583464,583477] [2021-11-02 22:53:57,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583623,583636] [2021-11-02 22:53:57,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583769,583782] [2021-11-02 22:53:57,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583912,583925] [2021-11-02 22:53:57,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584056,584069] [2021-11-02 22:53:57,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584199,584212] [2021-11-02 22:53:57,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584343,584356] [2021-11-02 22:53:57,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584484,584497] [2021-11-02 22:53:57,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584622,584635] [2021-11-02 22:53:57,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584780,584793] [2021-11-02 22:53:57,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584939,584952] [2021-11-02 22:53:57,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585095,585108] [2021-11-02 22:53:57,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585244,585257] [2021-11-02 22:53:57,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585396,585409] [2021-11-02 22:53:57,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585547,585560] [2021-11-02 22:53:57,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585696,585709] [2021-11-02 22:53:57,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585848,585861] [2021-11-02 22:53:57,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585996,586009] [2021-11-02 22:53:57,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586149,586162] [2021-11-02 22:53:57,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586300,586313] [2021-11-02 22:53:57,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586450,586463] [2021-11-02 22:53:57,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586597,586610] [2021-11-02 22:53:57,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586748,586761] [2021-11-02 22:53:57,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586899,586912] [2021-11-02 22:53:57,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587047,587060] [2021-11-02 22:53:57,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587213,587226] [2021-11-02 22:53:57,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587382,587395] [2021-11-02 22:53:57,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587549,587562] [2021-11-02 22:53:57,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587717,587730] [2021-11-02 22:53:57,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587867,587880] [2021-11-02 22:53:57,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588014,588027] [2021-11-02 22:53:57,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588175,588188] [2021-11-02 22:53:57,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588345,588358] [2021-11-02 22:53:57,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588507,588520] [2021-11-02 22:53:57,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:53:57,995 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:53:58,545 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575119,575132] [2021-11-02 22:53:58,546 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575264,575277] [2021-11-02 22:53:58,546 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575410,575423] [2021-11-02 22:53:58,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575575,575588] [2021-11-02 22:53:58,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575733,575746] [2021-11-02 22:53:58,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575891,575904] [2021-11-02 22:53:58,548 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576049,576062] [2021-11-02 22:53:58,548 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576209,576222] [2021-11-02 22:53:58,549 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576368,576381] [2021-11-02 22:53:58,549 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576507,576520] [2021-11-02 22:53:58,549 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576649,576662] [2021-11-02 22:53:58,550 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576798,576811] [2021-11-02 22:53:58,550 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576937,576950] [2021-11-02 22:53:58,551 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577092,577105] [2021-11-02 22:53:58,551 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577252,577265] [2021-11-02 22:53:58,551 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577403,577416] [2021-11-02 22:53:58,552 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577554,577567] [2021-11-02 22:53:58,552 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577706,577719] [2021-11-02 22:53:58,552 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577855,577868] [2021-11-02 22:53:58,553 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578003,578016] [2021-11-02 22:53:58,553 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578160,578173] [2021-11-02 22:53:58,554 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578309,578322] [2021-11-02 22:53:58,554 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578465,578478] [2021-11-02 22:53:58,554 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578618,578631] [2021-11-02 22:53:58,555 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578764,578777] [2021-11-02 22:53:58,555 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578907,578920] [2021-11-02 22:53:58,556 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579059,579072] [2021-11-02 22:53:58,556 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579205,579218] [2021-11-02 22:53:58,556 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579350,579363] [2021-11-02 22:53:58,557 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579504,579517] [2021-11-02 22:53:58,557 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579655,579668] [2021-11-02 22:53:58,557 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579810,579823] [2021-11-02 22:53:58,558 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579962,579975] [2021-11-02 22:53:58,558 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580117,580130] [2021-11-02 22:53:58,559 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580281,580294] [2021-11-02 22:53:58,559 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580437,580450] [2021-11-02 22:53:58,559 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580601,580614] [2021-11-02 22:53:58,560 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580743,580756] [2021-11-02 22:53:58,560 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580901,580914] [2021-11-02 22:53:58,561 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581068,581081] [2021-11-02 22:53:58,561 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581227,581240] [2021-11-02 22:53:58,561 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581386,581399] [2021-11-02 22:53:58,562 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581535,581548] [2021-11-02 22:53:58,562 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581682,581695] [2021-11-02 22:53:58,562 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581821,581834] [2021-11-02 22:53:58,563 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581984,581997] [2021-11-02 22:53:58,563 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582150,582163] [2021-11-02 22:53:58,564 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582314,582327] [2021-11-02 22:53:58,564 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582479,582492] [2021-11-02 22:53:58,564 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582644,582657] [2021-11-02 22:53:58,565 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582810,582823] [2021-11-02 22:53:58,565 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582975,582988] [2021-11-02 22:53:58,566 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583142,583155] [2021-11-02 22:53:58,566 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583302,583315] [2021-11-02 22:53:58,566 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583464,583477] [2021-11-02 22:53:58,567 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583623,583636] [2021-11-02 22:53:58,567 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583769,583782] [2021-11-02 22:53:58,567 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583912,583925] [2021-11-02 22:53:58,568 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584056,584069] [2021-11-02 22:53:58,568 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584199,584212] [2021-11-02 22:53:58,569 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584343,584356] [2021-11-02 22:53:58,569 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584484,584497] [2021-11-02 22:53:58,569 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584622,584635] [2021-11-02 22:53:58,570 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584780,584793] [2021-11-02 22:53:58,570 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584939,584952] [2021-11-02 22:53:58,571 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585095,585108] [2021-11-02 22:53:58,571 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585244,585257] [2021-11-02 22:53:58,571 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585396,585409] [2021-11-02 22:53:58,572 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585547,585560] [2021-11-02 22:53:58,572 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585696,585709] [2021-11-02 22:53:58,573 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585848,585861] [2021-11-02 22:53:58,573 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585996,586009] [2021-11-02 22:53:58,573 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586149,586162] [2021-11-02 22:53:58,574 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586300,586313] [2021-11-02 22:53:58,574 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586450,586463] [2021-11-02 22:53:58,574 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586597,586610] [2021-11-02 22:53:58,575 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586748,586761] [2021-11-02 22:53:58,575 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586899,586912] [2021-11-02 22:53:58,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587047,587060] [2021-11-02 22:53:58,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587213,587226] [2021-11-02 22:53:58,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587382,587395] [2021-11-02 22:53:58,577 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587549,587562] [2021-11-02 22:53:58,577 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587717,587730] [2021-11-02 22:53:58,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587867,587880] [2021-11-02 22:53:58,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588014,588027] [2021-11-02 22:53:58,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588175,588188] [2021-11-02 22:53:58,579 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588345,588358] [2021-11-02 22:53:58,579 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588507,588520] [2021-11-02 22:53:58,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:53:59,142 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:53:59,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59 WrapperNode [2021-11-02 22:53:59,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:53:59,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:53:59,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:53:59,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:53:59,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:53:59,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:54:00,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:54:00,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:54:00,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:54:00,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:54:00,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:54:00,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:54:01,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:54:01,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:54:02,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:54:02,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:54:02,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:54:02,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:54:02,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:54:02,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:54:02,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:54:02,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (1/1) ... [2021-11-02 22:54:02,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:54:02,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:54:02,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:54:02,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:54:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2021-11-02 22:54:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2021-11-02 22:54:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2021-11-02 22:54:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2021-11-02 22:54:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:54:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-02 22:54:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-02 22:54:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:54:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:54:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2021-11-02 22:54:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2021-11-02 22:54:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:54:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:54:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:54:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:54:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:54:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2021-11-02 22:54:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2021-11-02 22:54:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2021-11-02 22:54:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2021-11-02 22:54:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2021-11-02 22:54:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2021-11-02 22:54:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:54:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 22:54:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2021-11-02 22:54:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2021-11-02 22:54:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:54:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:54:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2021-11-02 22:54:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2021-11-02 22:54:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-02 22:54:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-02 22:54:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2021-11-02 22:54:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2021-11-02 22:54:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2021-11-02 22:54:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2021-11-02 22:54:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2021-11-02 22:54:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2021-11-02 22:54:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 22:54:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2021-11-02 22:54:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2021-11-02 22:54:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 22:54:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 22:54:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:54:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2021-11-02 22:54:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2021-11-02 22:56:54,751 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_pci_pci_instance_3_switch_break: call ULTIMATE.dealloc(ldv_pci_pci_instance_3_~#ldv_3_resource_pm_message~0.base, ldv_pci_pci_instance_3_~#ldv_3_resource_pm_message~0.offset);havoc ldv_pci_pci_instance_3_~#ldv_3_resource_pm_message~0.base, ldv_pci_pci_instance_3_~#ldv_3_resource_pm_message~0.offset; [2021-11-02 22:56:54,752 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-02 22:56:54,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_34_returnLabel: main_#res := 0; [2021-11-02 22:56:54,753 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L8356: #t~ret2648 := main_#res; [2021-11-02 22:56:54,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:56:54,822 INFO L299 CfgBuilder]: Removed 9706 assume(true) statements. [2021-11-02 22:56:54,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:56:54 BoogieIcfgContainer [2021-11-02 22:56:54,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:56:54,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:56:54,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:56:54,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:56:54,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:53:50" (1/3) ... [2021-11-02 22:56:54,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5346c568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:56:54, skipping insertion in model container [2021-11-02 22:56:54,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:53:59" (2/3) ... [2021-11-02 22:56:54,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5346c568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:56:54, skipping insertion in model container [2021-11-02 22:56:54,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:56:54" (3/3) ... [2021-11-02 22:56:54,847 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-02 22:56:54,853 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:56:54,853 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 326 error locations. [2021-11-02 22:56:54,935 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:56:54,939 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 [2021-11-02 22:56:54,939 INFO L340 AbstractCegarLoop]: Starting to check reachability of 326 error locations. [2021-11-02 22:56:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 9348 states, 8962 states have (on average 1.366212898906494) internal successors, (12244), 9308 states have internal predecessors, (12244), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 22:56:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-02 22:56:55,090 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:56:55,091 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:56:55,091 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr134ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:56:55,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:56:55,096 INFO L85 PathProgramCache]: Analyzing trace with hash 298342383, now seen corresponding path program 1 times [2021-11-02 22:56:55,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:56:55,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746651996] [2021-11-02 22:56:55,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:56:55,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:56:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:56:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:56:56,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:56:56,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746651996] [2021-11-02 22:56:56,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746651996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:56:56,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:56:56,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:56:56,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061248339] [2021-11-02 22:56:56,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:56:56,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:56:56,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:56:56,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:56:56,601 INFO L87 Difference]: Start difference. First operand has 9348 states, 8962 states have (on average 1.366212898906494) internal successors, (12244), 9308 states have internal predecessors, (12244), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:56:57,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:56:57,333 INFO L93 Difference]: Finished difference Result 18676 states and 24677 transitions. [2021-11-02 22:56:57,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:56:57,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-02 22:56:57,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:56:57,413 INFO L225 Difference]: With dead ends: 18676 [2021-11-02 22:56:57,413 INFO L226 Difference]: Without dead ends: 8866 [2021-11-02 22:56:57,456 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:56:57,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8866 states. [2021-11-02 22:56:57,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8866 to 8866. [2021-11-02 22:56:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8866 states, 8482 states have (on average 1.2908512143362414) internal successors, (10949), 8826 states have internal predecessors, (10949), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 22:56:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8866 states to 8866 states and 11035 transitions. [2021-11-02 22:56:57,908 INFO L78 Accepts]: Start accepts. Automaton has 8866 states and 11035 transitions. Word has length 21 [2021-11-02 22:56:57,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:56:57,909 INFO L470 AbstractCegarLoop]: Abstraction has 8866 states and 11035 transitions. [2021-11-02 22:56:57,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:56:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 8866 states and 11035 transitions. [2021-11-02 22:56:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-02 22:56:57,912 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:56:57,912 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:56:57,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:56:57,913 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr135ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:56:57,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:56:57,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1054942445, now seen corresponding path program 1 times [2021-11-02 22:56:57,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:56:57,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829551480] [2021-11-02 22:56:57,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:56:57,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:56:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:56:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:56:58,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:56:58,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829551480] [2021-11-02 22:56:58,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829551480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:56:58,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:56:58,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:56:58,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708239797] [2021-11-02 22:56:58,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:56:58,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:56:58,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:56:58,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:56:58,774 INFO L87 Difference]: Start difference. First operand 8866 states and 11035 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:56:59,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:56:59,136 INFO L93 Difference]: Finished difference Result 8866 states and 11035 transitions. [2021-11-02 22:56:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:56:59,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-02 22:56:59,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:56:59,196 INFO L225 Difference]: With dead ends: 8866 [2021-11-02 22:56:59,196 INFO L226 Difference]: Without dead ends: 8862 [2021-11-02 22:56:59,202 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:56:59,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8862 states. [2021-11-02 22:56:59,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8862 to 8862. [2021-11-02 22:56:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8862 states, 8480 states have (on average 1.290683962264151) internal successors, (10945), 8822 states have internal predecessors, (10945), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 22:56:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 11031 transitions. [2021-11-02 22:56:59,551 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 11031 transitions. Word has length 23 [2021-11-02 22:56:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:56:59,552 INFO L470 AbstractCegarLoop]: Abstraction has 8862 states and 11031 transitions. [2021-11-02 22:56:59,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:56:59,552 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 11031 transitions. [2021-11-02 22:56:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-02 22:56:59,553 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:56:59,554 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:56:59,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:56:59,554 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:56:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:56:59,555 INFO L85 PathProgramCache]: Analyzing trace with hash -186571113, now seen corresponding path program 1 times [2021-11-02 22:56:59,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:56:59,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041936208] [2021-11-02 22:56:59,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:56:59,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:00,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:00,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041936208] [2021-11-02 22:57:00,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041936208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:00,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:00,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:00,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41478777] [2021-11-02 22:57:00,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:00,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:00,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:00,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:00,423 INFO L87 Difference]: Start difference. First operand 8862 states and 11031 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:00,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:00,719 INFO L93 Difference]: Finished difference Result 8862 states and 11031 transitions. [2021-11-02 22:57:00,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:00,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-02 22:57:00,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:00,794 INFO L225 Difference]: With dead ends: 8862 [2021-11-02 22:57:00,794 INFO L226 Difference]: Without dead ends: 8858 [2021-11-02 22:57:00,801 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:00,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8858 states. [2021-11-02 22:57:01,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8858 to 8858. [2021-11-02 22:57:01,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8858 states, 8478 states have (on average 1.2905166312809624) internal successors, (10941), 8818 states have internal predecessors, (10941), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 22:57:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8858 states to 8858 states and 11027 transitions. [2021-11-02 22:57:01,241 INFO L78 Accepts]: Start accepts. Automaton has 8858 states and 11027 transitions. Word has length 25 [2021-11-02 22:57:01,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:01,243 INFO L470 AbstractCegarLoop]: Abstraction has 8858 states and 11027 transitions. [2021-11-02 22:57:01,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 8858 states and 11027 transitions. [2021-11-02 22:57:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-02 22:57:01,252 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:01,253 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:01,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:57:01,253 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:01,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:01,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1094623867, now seen corresponding path program 1 times [2021-11-02 22:57:01,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:01,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660962608] [2021-11-02 22:57:01,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:01,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:01,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:01,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660962608] [2021-11-02 22:57:01,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660962608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:01,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:01,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:01,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629055706] [2021-11-02 22:57:01,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:01,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:01,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:01,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:01,981 INFO L87 Difference]: Start difference. First operand 8858 states and 11027 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:02,295 INFO L93 Difference]: Finished difference Result 8858 states and 11027 transitions. [2021-11-02 22:57:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:02,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-02 22:57:02,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:02,334 INFO L225 Difference]: With dead ends: 8858 [2021-11-02 22:57:02,334 INFO L226 Difference]: Without dead ends: 8854 [2021-11-02 22:57:02,339 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:02,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8854 states. [2021-11-02 22:57:02,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8854 to 8854. [2021-11-02 22:57:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8854 states, 8476 states have (on average 1.2903492213308165) internal successors, (10937), 8814 states have internal predecessors, (10937), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 22:57:02,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8854 states to 8854 states and 11023 transitions. [2021-11-02 22:57:02,699 INFO L78 Accepts]: Start accepts. Automaton has 8854 states and 11023 transitions. Word has length 27 [2021-11-02 22:57:02,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:02,700 INFO L470 AbstractCegarLoop]: Abstraction has 8854 states and 11023 transitions. [2021-11-02 22:57:02,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:02,700 INFO L276 IsEmpty]: Start isEmpty. Operand 8854 states and 11023 transitions. [2021-11-02 22:57:02,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-02 22:57:02,701 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:02,702 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:02,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:57:02,702 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:02,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:02,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1744894041, now seen corresponding path program 1 times [2021-11-02 22:57:02,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:02,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646653965] [2021-11-02 22:57:02,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:02,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:03,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:03,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646653965] [2021-11-02 22:57:03,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646653965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:03,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:03,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:03,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464902750] [2021-11-02 22:57:03,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:57:03,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:03,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:57:03,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:57:03,437 INFO L87 Difference]: Start difference. First operand 8854 states and 11023 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:03,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:03,800 INFO L93 Difference]: Finished difference Result 17703 states and 22040 transitions. [2021-11-02 22:57:03,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:57:03,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-02 22:57:03,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:03,839 INFO L225 Difference]: With dead ends: 17703 [2021-11-02 22:57:03,839 INFO L226 Difference]: Without dead ends: 8855 [2021-11-02 22:57:03,867 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:57:03,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8855 states. [2021-11-02 22:57:04,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8855 to 8855. [2021-11-02 22:57:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8855 states, 8477 states have (on average 1.2903149699186032) internal successors, (10938), 8815 states have internal predecessors, (10938), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 22:57:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8855 states to 8855 states and 11024 transitions. [2021-11-02 22:57:04,211 INFO L78 Accepts]: Start accepts. Automaton has 8855 states and 11024 transitions. Word has length 27 [2021-11-02 22:57:04,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:04,211 INFO L470 AbstractCegarLoop]: Abstraction has 8855 states and 11024 transitions. [2021-11-02 22:57:04,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 8855 states and 11024 transitions. [2021-11-02 22:57:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-02 22:57:04,213 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:04,213 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:04,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:57:04,213 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:04,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:04,214 INFO L85 PathProgramCache]: Analyzing trace with hash 744634921, now seen corresponding path program 1 times [2021-11-02 22:57:04,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:04,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402246725] [2021-11-02 22:57:04,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:04,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:04,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:04,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402246725] [2021-11-02 22:57:04,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402246725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:04,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:04,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:57:04,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116137023] [2021-11-02 22:57:04,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:04,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:04,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:04,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:04,830 INFO L87 Difference]: Start difference. First operand 8855 states and 11024 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:05,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:05,488 INFO L93 Difference]: Finished difference Result 17664 states and 21850 transitions. [2021-11-02 22:57:05,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:05,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-02 22:57:05,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:05,526 INFO L225 Difference]: With dead ends: 17664 [2021-11-02 22:57:05,527 INFO L226 Difference]: Without dead ends: 10709 [2021-11-02 22:57:05,551 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:05,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10709 states. [2021-11-02 22:57:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10709 to 8857. [2021-11-02 22:57:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8857 states, 8479 states have (on average 1.290246491331525) internal successors, (10940), 8817 states have internal predecessors, (10940), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 22:57:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8857 states to 8857 states and 11026 transitions. [2021-11-02 22:57:06,102 INFO L78 Accepts]: Start accepts. Automaton has 8857 states and 11026 transitions. Word has length 27 [2021-11-02 22:57:06,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:06,105 INFO L470 AbstractCegarLoop]: Abstraction has 8857 states and 11026 transitions. [2021-11-02 22:57:06,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 8857 states and 11026 transitions. [2021-11-02 22:57:06,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-02 22:57:06,109 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:06,109 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:06,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:57:06,109 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:06,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:06,110 INFO L85 PathProgramCache]: Analyzing trace with hash -332613953, now seen corresponding path program 1 times [2021-11-02 22:57:06,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:06,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138919152] [2021-11-02 22:57:06,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:06,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:06,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:06,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138919152] [2021-11-02 22:57:06,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138919152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:06,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:06,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:06,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895142939] [2021-11-02 22:57:06,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:06,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:06,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:06,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:06,728 INFO L87 Difference]: Start difference. First operand 8857 states and 11026 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:07,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:07,090 INFO L93 Difference]: Finished difference Result 8857 states and 11026 transitions. [2021-11-02 22:57:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:07,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-02 22:57:07,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:07,123 INFO L225 Difference]: With dead ends: 8857 [2021-11-02 22:57:07,123 INFO L226 Difference]: Without dead ends: 8853 [2021-11-02 22:57:07,129 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:07,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8853 states. [2021-11-02 22:57:07,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8853 to 8853. [2021-11-02 22:57:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8853 states, 8477 states have (on average 1.290079037395305) internal successors, (10936), 8813 states have internal predecessors, (10936), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2021-11-02 22:57:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8853 states to 8853 states and 11022 transitions. [2021-11-02 22:57:07,630 INFO L78 Accepts]: Start accepts. Automaton has 8853 states and 11022 transitions. Word has length 29 [2021-11-02 22:57:07,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:07,630 INFO L470 AbstractCegarLoop]: Abstraction has 8853 states and 11022 transitions. [2021-11-02 22:57:07,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 8853 states and 11022 transitions. [2021-11-02 22:57:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-02 22:57:07,632 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:07,632 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:07,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:57:07,632 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:07,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:07,633 INFO L85 PathProgramCache]: Analyzing trace with hash -745077482, now seen corresponding path program 1 times [2021-11-02 22:57:07,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:07,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241043803] [2021-11-02 22:57:07,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:07,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:08,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:08,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241043803] [2021-11-02 22:57:08,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241043803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:08,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:08,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:08,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901638248] [2021-11-02 22:57:08,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:08,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:08,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:08,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:08,279 INFO L87 Difference]: Start difference. First operand 8853 states and 11022 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:09,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:09,382 INFO L93 Difference]: Finished difference Result 11501 states and 14297 transitions. [2021-11-02 22:57:09,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:57:09,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-02 22:57:09,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:09,423 INFO L225 Difference]: With dead ends: 11501 [2021-11-02 22:57:09,424 INFO L226 Difference]: Without dead ends: 11467 [2021-11-02 22:57:09,431 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:09,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11467 states. [2021-11-02 22:57:09,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11467 to 10056. [2021-11-02 22:57:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10056 states, 9681 states have (on average 1.2939778948455738) internal successors, (12527), 10003 states have internal predecessors, (12527), 51 states have call successors, (51), 25 states have call predecessors, (51), 25 states have return successors, (61), 45 states have call predecessors, (61), 51 states have call successors, (61) [2021-11-02 22:57:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 12639 transitions. [2021-11-02 22:57:09,920 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 12639 transitions. Word has length 29 [2021-11-02 22:57:09,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:09,922 INFO L470 AbstractCegarLoop]: Abstraction has 10056 states and 12639 transitions. [2021-11-02 22:57:09,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:09,922 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 12639 transitions. [2021-11-02 22:57:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-02 22:57:09,923 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:09,923 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:09,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 22:57:09,926 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:09,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:09,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1813591197, now seen corresponding path program 1 times [2021-11-02 22:57:09,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:09,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391264886] [2021-11-02 22:57:09,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:09,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:10,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:10,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391264886] [2021-11-02 22:57:10,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391264886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:10,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:10,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:10,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979294823] [2021-11-02 22:57:10,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:10,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:10,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:10,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:10,585 INFO L87 Difference]: Start difference. First operand 10056 states and 12639 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:11,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:11,037 INFO L93 Difference]: Finished difference Result 10056 states and 12639 transitions. [2021-11-02 22:57:11,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:11,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-02 22:57:11,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:11,072 INFO L225 Difference]: With dead ends: 10056 [2021-11-02 22:57:11,072 INFO L226 Difference]: Without dead ends: 10052 [2021-11-02 22:57:11,079 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:11,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10052 states. [2021-11-02 22:57:11,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10052 to 10052. [2021-11-02 22:57:11,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10052 states, 9679 states have (on average 1.293832007438785) internal successors, (12523), 9999 states have internal predecessors, (12523), 51 states have call successors, (51), 25 states have call predecessors, (51), 25 states have return successors, (61), 45 states have call predecessors, (61), 51 states have call successors, (61) [2021-11-02 22:57:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10052 states to 10052 states and 12635 transitions. [2021-11-02 22:57:11,521 INFO L78 Accepts]: Start accepts. Automaton has 10052 states and 12635 transitions. Word has length 31 [2021-11-02 22:57:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:11,522 INFO L470 AbstractCegarLoop]: Abstraction has 10052 states and 12635 transitions. [2021-11-02 22:57:11,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 10052 states and 12635 transitions. [2021-11-02 22:57:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-02 22:57:11,523 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:11,524 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:11,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 22:57:11,524 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting pcistub_device_id_addErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:11,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:11,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1392450769, now seen corresponding path program 1 times [2021-11-02 22:57:11,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:11,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807172890] [2021-11-02 22:57:11,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:11,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:12,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:12,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807172890] [2021-11-02 22:57:12,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807172890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:12,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:12,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:57:12,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503673988] [2021-11-02 22:57:12,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:12,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:12,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:12,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:12,162 INFO L87 Difference]: Start difference. First operand 10052 states and 12635 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:25,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:25,779 INFO L93 Difference]: Finished difference Result 20098 states and 25264 transitions. [2021-11-02 22:57:25,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:25,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-02 22:57:25,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:25,828 INFO L225 Difference]: With dead ends: 20098 [2021-11-02 22:57:25,828 INFO L226 Difference]: Without dead ends: 10062 [2021-11-02 22:57:25,863 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:25,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10062 states. [2021-11-02 22:57:26,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10062 to 10054. [2021-11-02 22:57:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10054 states, 9681 states have (on average 1.2937713046172916) internal successors, (12525), 10001 states have internal predecessors, (12525), 51 states have call successors, (51), 25 states have call predecessors, (51), 25 states have return successors, (61), 45 states have call predecessors, (61), 51 states have call successors, (61) [2021-11-02 22:57:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10054 states to 10054 states and 12637 transitions. [2021-11-02 22:57:26,387 INFO L78 Accepts]: Start accepts. Automaton has 10054 states and 12637 transitions. Word has length 32 [2021-11-02 22:57:26,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:26,387 INFO L470 AbstractCegarLoop]: Abstraction has 10054 states and 12637 transitions. [2021-11-02 22:57:26,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 10054 states and 12637 transitions. [2021-11-02 22:57:26,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-02 22:57:26,389 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:26,389 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:26,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-02 22:57:26,390 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting pcistub_device_id_addErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:26,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:26,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1133655445, now seen corresponding path program 1 times [2021-11-02 22:57:26,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:26,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7226687] [2021-11-02 22:57:26,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:26,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:27,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:27,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:27,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7226687] [2021-11-02 22:57:27,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7226687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:27,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:27,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:57:27,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129784290] [2021-11-02 22:57:27,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:57:27,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:27,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:57:27,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:57:27,238 INFO L87 Difference]: Start difference. First operand 10054 states and 12637 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:39,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:39,916 INFO L93 Difference]: Finished difference Result 20110 states and 25281 transitions. [2021-11-02 22:57:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:57:39,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-02 22:57:39,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:39,956 INFO L225 Difference]: With dead ends: 20110 [2021-11-02 22:57:39,956 INFO L226 Difference]: Without dead ends: 10072 [2021-11-02 22:57:39,978 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:57:39,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10072 states. [2021-11-02 22:57:40,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10072 to 10068. [2021-11-02 22:57:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 9691 states have (on average 1.2938809204416468) internal successors, (12539), 10012 states have internal predecessors, (12539), 54 states have call successors, (54), 26 states have call predecessors, (54), 26 states have return successors, (64), 47 states have call predecessors, (64), 54 states have call successors, (64) [2021-11-02 22:57:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 12657 transitions. [2021-11-02 22:57:40,379 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 12657 transitions. Word has length 32 [2021-11-02 22:57:40,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:40,380 INFO L470 AbstractCegarLoop]: Abstraction has 10068 states and 12657 transitions. [2021-11-02 22:57:40,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 12657 transitions. [2021-11-02 22:57:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-02 22:57:40,381 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:40,382 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:40,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-02 22:57:40,382 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr140ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:40,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:40,383 INFO L85 PathProgramCache]: Analyzing trace with hash 896419943, now seen corresponding path program 1 times [2021-11-02 22:57:40,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:40,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256490958] [2021-11-02 22:57:40,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:40,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:41,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:41,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256490958] [2021-11-02 22:57:41,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256490958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:41,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:41,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:41,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294706611] [2021-11-02 22:57:41,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:41,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:41,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:41,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:41,016 INFO L87 Difference]: Start difference. First operand 10068 states and 12657 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:41,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:41,486 INFO L93 Difference]: Finished difference Result 10068 states and 12657 transitions. [2021-11-02 22:57:41,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:41,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-02 22:57:41,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:41,519 INFO L225 Difference]: With dead ends: 10068 [2021-11-02 22:57:41,519 INFO L226 Difference]: Without dead ends: 10064 [2021-11-02 22:57:41,525 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:41,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10064 states. [2021-11-02 22:57:41,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10064 to 10064. [2021-11-02 22:57:41,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10064 states, 9689 states have (on average 1.2937351635875736) internal successors, (12535), 10008 states have internal predecessors, (12535), 54 states have call successors, (54), 26 states have call predecessors, (54), 26 states have return successors, (64), 47 states have call predecessors, (64), 54 states have call successors, (64) [2021-11-02 22:57:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10064 states to 10064 states and 12653 transitions. [2021-11-02 22:57:41,979 INFO L78 Accepts]: Start accepts. Automaton has 10064 states and 12653 transitions. Word has length 33 [2021-11-02 22:57:41,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:41,980 INFO L470 AbstractCegarLoop]: Abstraction has 10064 states and 12653 transitions. [2021-11-02 22:57:41,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 10064 states and 12653 transitions. [2021-11-02 22:57:41,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-02 22:57:41,982 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:41,982 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:41,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-02 22:57:41,982 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting pcistub_device_id_addErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:41,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:41,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1835020453, now seen corresponding path program 1 times [2021-11-02 22:57:41,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:41,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522996114] [2021-11-02 22:57:41,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:41,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:42,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:42,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522996114] [2021-11-02 22:57:42,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522996114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:42,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:42,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:57:42,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334638517] [2021-11-02 22:57:42,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:42,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:42,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:42,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:42,641 INFO L87 Difference]: Start difference. First operand 10064 states and 12653 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:43,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:43,109 INFO L93 Difference]: Finished difference Result 10110 states and 12711 transitions. [2021-11-02 22:57:43,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:57:43,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-02 22:57:43,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:43,137 INFO L225 Difference]: With dead ends: 10110 [2021-11-02 22:57:43,138 INFO L226 Difference]: Without dead ends: 10108 [2021-11-02 22:57:43,144 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:43,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10108 states. [2021-11-02 22:57:43,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10108 to 10066. [2021-11-02 22:57:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10066 states, 9691 states have (on average 1.293674543390775) internal successors, (12537), 10010 states have internal predecessors, (12537), 54 states have call successors, (54), 26 states have call predecessors, (54), 26 states have return successors, (64), 47 states have call predecessors, (64), 54 states have call successors, (64) [2021-11-02 22:57:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10066 states to 10066 states and 12655 transitions. [2021-11-02 22:57:43,637 INFO L78 Accepts]: Start accepts. Automaton has 10066 states and 12655 transitions. Word has length 34 [2021-11-02 22:57:43,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:43,638 INFO L470 AbstractCegarLoop]: Abstraction has 10066 states and 12655 transitions. [2021-11-02 22:57:43,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 10066 states and 12655 transitions. [2021-11-02 22:57:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-02 22:57:43,639 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:43,639 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:43,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-02 22:57:43,640 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting pcistub_device_id_addErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:43,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1834960871, now seen corresponding path program 1 times [2021-11-02 22:57:43,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:43,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280040105] [2021-11-02 22:57:43,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:43,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:45,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:45,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280040105] [2021-11-02 22:57:45,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280040105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:45,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:45,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:45,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576227787] [2021-11-02 22:57:45,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:45,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:45,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:45,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:45,291 INFO L87 Difference]: Start difference. First operand 10066 states and 12655 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:48,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:48,698 INFO L93 Difference]: Finished difference Result 20081 states and 25240 transitions. [2021-11-02 22:57:48,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:48,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-02 22:57:48,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:48,740 INFO L225 Difference]: With dead ends: 20081 [2021-11-02 22:57:48,740 INFO L226 Difference]: Without dead ends: 10030 [2021-11-02 22:57:48,766 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:48,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10030 states. [2021-11-02 22:57:49,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10030 to 10030. [2021-11-02 22:57:49,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10030 states, 9660 states have (on average 1.293167701863354) internal successors, (12492), 9978 states have internal predecessors, (12492), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 44 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:57:49,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10030 states to 10030 states and 12602 transitions. [2021-11-02 22:57:49,498 INFO L78 Accepts]: Start accepts. Automaton has 10030 states and 12602 transitions. Word has length 34 [2021-11-02 22:57:49,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:49,498 INFO L470 AbstractCegarLoop]: Abstraction has 10030 states and 12602 transitions. [2021-11-02 22:57:49,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:49,499 INFO L276 IsEmpty]: Start isEmpty. Operand 10030 states and 12602 transitions. [2021-11-02 22:57:49,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-02 22:57:49,500 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:49,500 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:49,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-02 22:57:49,501 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr141ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:49,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:49,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1828022837, now seen corresponding path program 1 times [2021-11-02 22:57:49,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:49,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800270030] [2021-11-02 22:57:49,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:49,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:50,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:50,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800270030] [2021-11-02 22:57:50,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800270030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:50,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:50,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:50,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690763096] [2021-11-02 22:57:50,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:50,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:50,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:50,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:50,235 INFO L87 Difference]: Start difference. First operand 10030 states and 12602 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:50,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:50,823 INFO L93 Difference]: Finished difference Result 10030 states and 12602 transitions. [2021-11-02 22:57:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:50,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-02 22:57:50,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:50,852 INFO L225 Difference]: With dead ends: 10030 [2021-11-02 22:57:50,852 INFO L226 Difference]: Without dead ends: 10026 [2021-11-02 22:57:50,860 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:50,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2021-11-02 22:57:51,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 10026. [2021-11-02 22:57:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10026 states, 9658 states have (on average 1.2930213294677988) internal successors, (12488), 9974 states have internal predecessors, (12488), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 44 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:57:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10026 states to 10026 states and 12598 transitions. [2021-11-02 22:57:51,557 INFO L78 Accepts]: Start accepts. Automaton has 10026 states and 12598 transitions. Word has length 35 [2021-11-02 22:57:51,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:51,558 INFO L470 AbstractCegarLoop]: Abstraction has 10026 states and 12598 transitions. [2021-11-02 22:57:51,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 10026 states and 12598 transitions. [2021-11-02 22:57:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-02 22:57:51,559 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:51,559 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:51,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-02 22:57:51,559 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr142ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:51,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:51,560 INFO L85 PathProgramCache]: Analyzing trace with hash -87484498, now seen corresponding path program 1 times [2021-11-02 22:57:51,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:51,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989241370] [2021-11-02 22:57:51,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:51,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:52,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:52,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989241370] [2021-11-02 22:57:52,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989241370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:52,138 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:52,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:52,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738431432] [2021-11-02 22:57:52,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:52,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:52,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:52,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:52,140 INFO L87 Difference]: Start difference. First operand 10026 states and 12598 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:52,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:52,853 INFO L93 Difference]: Finished difference Result 10026 states and 12598 transitions. [2021-11-02 22:57:52,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:52,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-02 22:57:52,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:52,881 INFO L225 Difference]: With dead ends: 10026 [2021-11-02 22:57:52,881 INFO L226 Difference]: Without dead ends: 10022 [2021-11-02 22:57:52,887 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:52,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10022 states. [2021-11-02 22:57:53,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10022 to 10022. [2021-11-02 22:57:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10022 states, 9656 states have (on average 1.2928748964374481) internal successors, (12484), 9970 states have internal predecessors, (12484), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 44 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:57:53,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10022 states to 10022 states and 12594 transitions. [2021-11-02 22:57:53,527 INFO L78 Accepts]: Start accepts. Automaton has 10022 states and 12594 transitions. Word has length 37 [2021-11-02 22:57:53,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:53,528 INFO L470 AbstractCegarLoop]: Abstraction has 10022 states and 12594 transitions. [2021-11-02 22:57:53,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 10022 states and 12594 transitions. [2021-11-02 22:57:53,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-02 22:57:53,529 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:53,529 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:53,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-02 22:57:53,530 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:53,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:53,530 INFO L85 PathProgramCache]: Analyzing trace with hash -703190995, now seen corresponding path program 1 times [2021-11-02 22:57:53,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:53,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088535542] [2021-11-02 22:57:53,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:53,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:54,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:54,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088535542] [2021-11-02 22:57:54,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088535542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:54,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:54,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:57:54,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532485270] [2021-11-02 22:57:54,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:54,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:54,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:54,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:54,120 INFO L87 Difference]: Start difference. First operand 10022 states and 12594 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:57,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:57,587 INFO L93 Difference]: Finished difference Result 11694 states and 14564 transitions. [2021-11-02 22:57:57,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:57:57,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-02 22:57:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:57,626 INFO L225 Difference]: With dead ends: 11694 [2021-11-02 22:57:57,626 INFO L226 Difference]: Without dead ends: 11660 [2021-11-02 22:57:57,633 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:57,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11660 states. [2021-11-02 22:57:58,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11660 to 9994. [2021-11-02 22:57:58,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9994 states, 9644 states have (on average 1.2915802571547077) internal successors, (12456), 9941 states have internal predecessors, (12456), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:57:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9994 states to 9994 states and 12566 transitions. [2021-11-02 22:57:58,301 INFO L78 Accepts]: Start accepts. Automaton has 9994 states and 12566 transitions. Word has length 37 [2021-11-02 22:57:58,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:57:58,301 INFO L470 AbstractCegarLoop]: Abstraction has 9994 states and 12566 transitions. [2021-11-02 22:57:58,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:58,302 INFO L276 IsEmpty]: Start isEmpty. Operand 9994 states and 12566 transitions. [2021-11-02 22:57:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-02 22:57:58,303 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:57:58,303 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:57:58,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-02 22:57:58,303 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr143ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:57:58,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:57:58,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1827582450, now seen corresponding path program 1 times [2021-11-02 22:57:58,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:57:58,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39658015] [2021-11-02 22:57:58,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:57:58,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:57:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:57:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:57:58,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:57:58,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39658015] [2021-11-02 22:57:58,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39658015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:57:58,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:57:58,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:57:58,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86402063] [2021-11-02 22:57:58,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:57:58,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:57:58,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:57:58,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:57:58,914 INFO L87 Difference]: Start difference. First operand 9994 states and 12566 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:57:59,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:57:59,501 INFO L93 Difference]: Finished difference Result 9994 states and 12566 transitions. [2021-11-02 22:57:59,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:57:59,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-02 22:57:59,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:57:59,522 INFO L225 Difference]: With dead ends: 9994 [2021-11-02 22:57:59,523 INFO L226 Difference]: Without dead ends: 9990 [2021-11-02 22:57:59,529 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:57:59,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9990 states. [2021-11-02 22:58:00,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9990 to 9990. [2021-11-02 22:58:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9990 states, 9642 states have (on average 1.291433312590749) internal successors, (12452), 9937 states have internal predecessors, (12452), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:00,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9990 states to 9990 states and 12562 transitions. [2021-11-02 22:58:00,241 INFO L78 Accepts]: Start accepts. Automaton has 9990 states and 12562 transitions. Word has length 39 [2021-11-02 22:58:00,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:00,242 INFO L470 AbstractCegarLoop]: Abstraction has 9990 states and 12562 transitions. [2021-11-02 22:58:00,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 9990 states and 12562 transitions. [2021-11-02 22:58:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-02 22:58:00,243 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:00,243 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:00,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-02 22:58:00,243 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr144ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:00,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:00,244 INFO L85 PathProgramCache]: Analyzing trace with hash -334050154, now seen corresponding path program 1 times [2021-11-02 22:58:00,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:00,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021491021] [2021-11-02 22:58:00,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:00,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:00,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:00,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021491021] [2021-11-02 22:58:00,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021491021] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:00,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:00,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:00,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165393569] [2021-11-02 22:58:00,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:00,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:00,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:00,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:00,849 INFO L87 Difference]: Start difference. First operand 9990 states and 12562 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:01,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:01,539 INFO L93 Difference]: Finished difference Result 9990 states and 12562 transitions. [2021-11-02 22:58:01,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:01,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-02 22:58:01,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:01,558 INFO L225 Difference]: With dead ends: 9990 [2021-11-02 22:58:01,558 INFO L226 Difference]: Without dead ends: 9986 [2021-11-02 22:58:01,562 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:01,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9986 states. [2021-11-02 22:58:02,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9986 to 9986. [2021-11-02 22:58:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9986 states, 9640 states have (on average 1.291286307053942) internal successors, (12448), 9933 states have internal predecessors, (12448), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9986 states to 9986 states and 12558 transitions. [2021-11-02 22:58:02,107 INFO L78 Accepts]: Start accepts. Automaton has 9986 states and 12558 transitions. Word has length 41 [2021-11-02 22:58:02,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:02,108 INFO L470 AbstractCegarLoop]: Abstraction has 9986 states and 12558 transitions. [2021-11-02 22:58:02,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 9986 states and 12558 transitions. [2021-11-02 22:58:02,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-02 22:58:02,109 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:02,109 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:02,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-02 22:58:02,109 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr145ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:02,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:02,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1101189018, now seen corresponding path program 1 times [2021-11-02 22:58:02,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:02,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536859180] [2021-11-02 22:58:02,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:02,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:02,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:02,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536859180] [2021-11-02 22:58:02,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536859180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:02,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:02,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:02,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699440297] [2021-11-02 22:58:02,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:02,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:02,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:02,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:02,658 INFO L87 Difference]: Start difference. First operand 9986 states and 12558 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:03,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:03,333 INFO L93 Difference]: Finished difference Result 9986 states and 12558 transitions. [2021-11-02 22:58:03,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:03,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-02 22:58:03,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:03,346 INFO L225 Difference]: With dead ends: 9986 [2021-11-02 22:58:03,346 INFO L226 Difference]: Without dead ends: 9982 [2021-11-02 22:58:03,349 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:03,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9982 states. [2021-11-02 22:58:03,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9982 to 9982. [2021-11-02 22:58:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9982 states, 9638 states have (on average 1.2911392405063291) internal successors, (12444), 9929 states have internal predecessors, (12444), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 12554 transitions. [2021-11-02 22:58:03,873 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 12554 transitions. Word has length 43 [2021-11-02 22:58:03,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:03,873 INFO L470 AbstractCegarLoop]: Abstraction has 9982 states and 12554 transitions. [2021-11-02 22:58:03,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 12554 transitions. [2021-11-02 22:58:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-02 22:58:03,874 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:03,874 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:03,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-02 22:58:03,875 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr146ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:03,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:03,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1681531646, now seen corresponding path program 1 times [2021-11-02 22:58:03,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:03,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259678608] [2021-11-02 22:58:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:03,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:04,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:04,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:04,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259678608] [2021-11-02 22:58:04,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259678608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:04,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:04,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:04,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132430721] [2021-11-02 22:58:04,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:04,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:04,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:04,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:04,414 INFO L87 Difference]: Start difference. First operand 9982 states and 12554 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:05,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:05,058 INFO L93 Difference]: Finished difference Result 9982 states and 12554 transitions. [2021-11-02 22:58:05,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:05,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-02 22:58:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:05,072 INFO L225 Difference]: With dead ends: 9982 [2021-11-02 22:58:05,073 INFO L226 Difference]: Without dead ends: 9978 [2021-11-02 22:58:05,076 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:05,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9978 states. [2021-11-02 22:58:05,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9978 to 9978. [2021-11-02 22:58:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9978 states, 9636 states have (on average 1.290992112909921) internal successors, (12440), 9925 states have internal predecessors, (12440), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:05,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9978 states to 9978 states and 12550 transitions. [2021-11-02 22:58:05,771 INFO L78 Accepts]: Start accepts. Automaton has 9978 states and 12550 transitions. Word has length 45 [2021-11-02 22:58:05,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:05,772 INFO L470 AbstractCegarLoop]: Abstraction has 9978 states and 12550 transitions. [2021-11-02 22:58:05,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 9978 states and 12550 transitions. [2021-11-02 22:58:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-02 22:58:05,773 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:05,773 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:05,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-02 22:58:05,773 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr147ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:05,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:05,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1045049026, now seen corresponding path program 1 times [2021-11-02 22:58:05,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:05,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384959487] [2021-11-02 22:58:05,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:05,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:06,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:06,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:06,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384959487] [2021-11-02 22:58:06,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384959487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:06,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:06,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:06,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341167911] [2021-11-02 22:58:06,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:06,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:06,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:06,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:06,323 INFO L87 Difference]: Start difference. First operand 9978 states and 12550 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:07,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:07,087 INFO L93 Difference]: Finished difference Result 9978 states and 12550 transitions. [2021-11-02 22:58:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:07,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-02 22:58:07,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:07,110 INFO L225 Difference]: With dead ends: 9978 [2021-11-02 22:58:07,110 INFO L226 Difference]: Without dead ends: 9974 [2021-11-02 22:58:07,116 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:07,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9974 states. [2021-11-02 22:58:07,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9974 to 9974. [2021-11-02 22:58:07,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9974 states, 9634 states have (on average 1.290844924226697) internal successors, (12436), 9921 states have internal predecessors, (12436), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9974 states to 9974 states and 12546 transitions. [2021-11-02 22:58:07,877 INFO L78 Accepts]: Start accepts. Automaton has 9974 states and 12546 transitions. Word has length 47 [2021-11-02 22:58:07,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:07,877 INFO L470 AbstractCegarLoop]: Abstraction has 9974 states and 12546 transitions. [2021-11-02 22:58:07,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 9974 states and 12546 transitions. [2021-11-02 22:58:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-02 22:58:07,878 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:07,878 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:07,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-02 22:58:07,879 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr148ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:07,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:07,879 INFO L85 PathProgramCache]: Analyzing trace with hash -729392410, now seen corresponding path program 1 times [2021-11-02 22:58:07,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:07,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759235420] [2021-11-02 22:58:07,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:07,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:08,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:08,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759235420] [2021-11-02 22:58:08,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759235420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:08,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:08,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:08,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757279709] [2021-11-02 22:58:08,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:08,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:08,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:08,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:08,421 INFO L87 Difference]: Start difference. First operand 9974 states and 12546 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:09,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:09,087 INFO L93 Difference]: Finished difference Result 9974 states and 12546 transitions. [2021-11-02 22:58:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:09,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-02 22:58:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:09,108 INFO L225 Difference]: With dead ends: 9974 [2021-11-02 22:58:09,108 INFO L226 Difference]: Without dead ends: 9970 [2021-11-02 22:58:09,113 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:09,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9970 states. [2021-11-02 22:58:09,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9970 to 9970. [2021-11-02 22:58:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9970 states, 9632 states have (on average 1.2906976744186047) internal successors, (12432), 9917 states have internal predecessors, (12432), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:09,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 12542 transitions. [2021-11-02 22:58:09,878 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 12542 transitions. Word has length 49 [2021-11-02 22:58:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:09,879 INFO L470 AbstractCegarLoop]: Abstraction has 9970 states and 12542 transitions. [2021-11-02 22:58:09,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 12542 transitions. [2021-11-02 22:58:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-02 22:58:09,880 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:09,880 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:09,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-02 22:58:09,881 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr149ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:09,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:09,881 INFO L85 PathProgramCache]: Analyzing trace with hash -865595542, now seen corresponding path program 1 times [2021-11-02 22:58:09,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:09,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155047244] [2021-11-02 22:58:09,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:09,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:11,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:11,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155047244] [2021-11-02 22:58:11,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155047244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:11,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:11,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:11,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296428645] [2021-11-02 22:58:11,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:11,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:11,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:11,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:11,171 INFO L87 Difference]: Start difference. First operand 9970 states and 12542 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:12,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:12,075 INFO L93 Difference]: Finished difference Result 9970 states and 12542 transitions. [2021-11-02 22:58:12,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:12,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-02 22:58:12,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:12,093 INFO L225 Difference]: With dead ends: 9970 [2021-11-02 22:58:12,093 INFO L226 Difference]: Without dead ends: 9966 [2021-11-02 22:58:12,097 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:12,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9966 states. [2021-11-02 22:58:12,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9966 to 9966. [2021-11-02 22:58:12,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9966 states, 9630 states have (on average 1.2905503634475597) internal successors, (12428), 9913 states have internal predecessors, (12428), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 12538 transitions. [2021-11-02 22:58:12,678 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 12538 transitions. Word has length 51 [2021-11-02 22:58:12,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:12,678 INFO L470 AbstractCegarLoop]: Abstraction has 9966 states and 12538 transitions. [2021-11-02 22:58:12,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 12538 transitions. [2021-11-02 22:58:12,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-02 22:58:12,679 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:12,680 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:12,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-02 22:58:12,680 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:12,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:12,681 INFO L85 PathProgramCache]: Analyzing trace with hash -213682513, now seen corresponding path program 1 times [2021-11-02 22:58:12,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:12,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792724823] [2021-11-02 22:58:12,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:12,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:13,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:13,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792724823] [2021-11-02 22:58:13,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792724823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:13,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:13,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:13,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047588257] [2021-11-02 22:58:13,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:13,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:13,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:13,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:13,266 INFO L87 Difference]: Start difference. First operand 9966 states and 12538 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:14,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:14,953 INFO L93 Difference]: Finished difference Result 11258 states and 14043 transitions. [2021-11-02 22:58:14,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:58:14,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-02 22:58:14,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:14,980 INFO L225 Difference]: With dead ends: 11258 [2021-11-02 22:58:14,980 INFO L226 Difference]: Without dead ends: 11250 [2021-11-02 22:58:14,987 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:15,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11250 states. [2021-11-02 22:58:15,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11250 to 9958. [2021-11-02 22:58:15,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9958 states, 9626 states have (on average 1.290255557864118) internal successors, (12420), 9905 states have internal predecessors, (12420), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 12530 transitions. [2021-11-02 22:58:15,845 INFO L78 Accepts]: Start accepts. Automaton has 9958 states and 12530 transitions. Word has length 51 [2021-11-02 22:58:15,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:15,845 INFO L470 AbstractCegarLoop]: Abstraction has 9958 states and 12530 transitions. [2021-11-02 22:58:15,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:15,846 INFO L276 IsEmpty]: Start isEmpty. Operand 9958 states and 12530 transitions. [2021-11-02 22:58:15,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-02 22:58:15,847 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:15,847 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:15,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-02 22:58:15,848 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr150ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:15,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:15,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1387181134, now seen corresponding path program 1 times [2021-11-02 22:58:15,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:15,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185144427] [2021-11-02 22:58:15,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:15,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:16,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:16,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:16,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185144427] [2021-11-02 22:58:16,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185144427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:16,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:16,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:16,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978893109] [2021-11-02 22:58:16,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:16,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:16,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:16,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:16,387 INFO L87 Difference]: Start difference. First operand 9958 states and 12530 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:17,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:17,060 INFO L93 Difference]: Finished difference Result 9958 states and 12530 transitions. [2021-11-02 22:58:17,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:17,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-02 22:58:17,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:17,078 INFO L225 Difference]: With dead ends: 9958 [2021-11-02 22:58:17,078 INFO L226 Difference]: Without dead ends: 9954 [2021-11-02 22:58:17,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:17,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9954 states. [2021-11-02 22:58:17,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9954 to 9954. [2021-11-02 22:58:17,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9954 states, 9624 states have (on average 1.290108063175395) internal successors, (12416), 9901 states have internal predecessors, (12416), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9954 states to 9954 states and 12526 transitions. [2021-11-02 22:58:17,862 INFO L78 Accepts]: Start accepts. Automaton has 9954 states and 12526 transitions. Word has length 53 [2021-11-02 22:58:17,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:17,862 INFO L470 AbstractCegarLoop]: Abstraction has 9954 states and 12526 transitions. [2021-11-02 22:58:17,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 9954 states and 12526 transitions. [2021-11-02 22:58:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-02 22:58:17,863 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:17,863 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:17,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-02 22:58:17,863 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:17,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:17,864 INFO L85 PathProgramCache]: Analyzing trace with hash 560018832, now seen corresponding path program 1 times [2021-11-02 22:58:17,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:17,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988638818] [2021-11-02 22:58:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:17,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:18,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:18,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988638818] [2021-11-02 22:58:18,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988638818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:18,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:18,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:58:18,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807837513] [2021-11-02 22:58:18,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:58:18,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:18,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:58:18,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:18,876 INFO L87 Difference]: Start difference. First operand 9954 states and 12526 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:20,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:20,649 INFO L93 Difference]: Finished difference Result 21575 states and 26912 transitions. [2021-11-02 22:58:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:58:20,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-02 22:58:20,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:20,676 INFO L225 Difference]: With dead ends: 21575 [2021-11-02 22:58:20,676 INFO L226 Difference]: Without dead ends: 13481 [2021-11-02 22:58:20,697 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:58:20,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13481 states. [2021-11-02 22:58:21,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13481 to 9957. [2021-11-02 22:58:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9957 states, 9627 states have (on average 1.2900176586683287) internal successors, (12419), 9904 states have internal predecessors, (12419), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9957 states to 9957 states and 12529 transitions. [2021-11-02 22:58:21,743 INFO L78 Accepts]: Start accepts. Automaton has 9957 states and 12529 transitions. Word has length 54 [2021-11-02 22:58:21,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:21,743 INFO L470 AbstractCegarLoop]: Abstraction has 9957 states and 12529 transitions. [2021-11-02 22:58:21,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 9957 states and 12529 transitions. [2021-11-02 22:58:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-02 22:58:21,744 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:21,744 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:21,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-02 22:58:21,745 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr151ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:21,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:21,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1642049938, now seen corresponding path program 1 times [2021-11-02 22:58:21,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:21,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467752328] [2021-11-02 22:58:21,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:21,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:22,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:22,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467752328] [2021-11-02 22:58:22,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467752328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:22,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:22,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:22,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749862955] [2021-11-02 22:58:22,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:22,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:22,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:22,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:22,303 INFO L87 Difference]: Start difference. First operand 9957 states and 12529 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:23,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:23,189 INFO L93 Difference]: Finished difference Result 9957 states and 12529 transitions. [2021-11-02 22:58:23,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:23,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-02 22:58:23,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:23,202 INFO L225 Difference]: With dead ends: 9957 [2021-11-02 22:58:23,202 INFO L226 Difference]: Without dead ends: 9953 [2021-11-02 22:58:23,204 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:23,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9953 states. [2021-11-02 22:58:23,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9953 to 9953. [2021-11-02 22:58:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9953 states, 9625 states have (on average 1.2898701298701298) internal successors, (12415), 9900 states have internal predecessors, (12415), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9953 states to 9953 states and 12525 transitions. [2021-11-02 22:58:23,864 INFO L78 Accepts]: Start accepts. Automaton has 9953 states and 12525 transitions. Word has length 55 [2021-11-02 22:58:23,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:23,865 INFO L470 AbstractCegarLoop]: Abstraction has 9953 states and 12525 transitions. [2021-11-02 22:58:23,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 9953 states and 12525 transitions. [2021-11-02 22:58:23,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-02 22:58:23,866 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:23,866 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:23,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-02 22:58:23,866 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr152ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:23,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:23,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1757835062, now seen corresponding path program 1 times [2021-11-02 22:58:23,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:23,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128262512] [2021-11-02 22:58:23,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:23,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:24,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:24,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128262512] [2021-11-02 22:58:24,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128262512] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:24,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:24,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:24,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046232122] [2021-11-02 22:58:24,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:24,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:24,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:24,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:24,369 INFO L87 Difference]: Start difference. First operand 9953 states and 12525 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:25,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:25,257 INFO L93 Difference]: Finished difference Result 9953 states and 12525 transitions. [2021-11-02 22:58:25,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:25,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-02 22:58:25,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:25,276 INFO L225 Difference]: With dead ends: 9953 [2021-11-02 22:58:25,276 INFO L226 Difference]: Without dead ends: 9949 [2021-11-02 22:58:25,281 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:25,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9949 states. [2021-11-02 22:58:26,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9949 to 9949. [2021-11-02 22:58:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9949 states, 9623 states have (on average 1.2897225397485192) internal successors, (12411), 9896 states have internal predecessors, (12411), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9949 states to 9949 states and 12521 transitions. [2021-11-02 22:58:26,182 INFO L78 Accepts]: Start accepts. Automaton has 9949 states and 12521 transitions. Word has length 57 [2021-11-02 22:58:26,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:26,182 INFO L470 AbstractCegarLoop]: Abstraction has 9949 states and 12521 transitions. [2021-11-02 22:58:26,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:26,183 INFO L276 IsEmpty]: Start isEmpty. Operand 9949 states and 12521 transitions. [2021-11-02 22:58:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-02 22:58:26,184 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:26,184 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:26,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-02 22:58:26,185 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr153ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:26,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:26,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1358189882, now seen corresponding path program 1 times [2021-11-02 22:58:26,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:26,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866417485] [2021-11-02 22:58:26,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:26,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:26,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:26,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866417485] [2021-11-02 22:58:26,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866417485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:26,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:26,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:26,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816356065] [2021-11-02 22:58:26,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:26,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:26,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:26,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:26,735 INFO L87 Difference]: Start difference. First operand 9949 states and 12521 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:27,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:27,549 INFO L93 Difference]: Finished difference Result 9949 states and 12521 transitions. [2021-11-02 22:58:27,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:27,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-02 22:58:27,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:27,564 INFO L225 Difference]: With dead ends: 9949 [2021-11-02 22:58:27,564 INFO L226 Difference]: Without dead ends: 9945 [2021-11-02 22:58:27,568 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:27,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9945 states. [2021-11-02 22:58:28,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9945 to 9945. [2021-11-02 22:58:28,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9945 states, 9621 states have (on average 1.2895748882652531) internal successors, (12407), 9892 states have internal predecessors, (12407), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9945 states to 9945 states and 12517 transitions. [2021-11-02 22:58:28,401 INFO L78 Accepts]: Start accepts. Automaton has 9945 states and 12517 transitions. Word has length 59 [2021-11-02 22:58:28,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:28,402 INFO L470 AbstractCegarLoop]: Abstraction has 9945 states and 12517 transitions. [2021-11-02 22:58:28,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:28,402 INFO L276 IsEmpty]: Start isEmpty. Operand 9945 states and 12517 transitions. [2021-11-02 22:58:28,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-02 22:58:28,403 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:28,403 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:28,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-02 22:58:28,403 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:28,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1008298393, now seen corresponding path program 1 times [2021-11-02 22:58:28,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:28,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732924716] [2021-11-02 22:58:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:28,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:28,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:28,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732924716] [2021-11-02 22:58:28,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732924716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:28,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:28,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:58:28,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467375640] [2021-11-02 22:58:28,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:28,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:28,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:28,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:28,857 INFO L87 Difference]: Start difference. First operand 9945 states and 12517 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:32,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:32,142 INFO L93 Difference]: Finished difference Result 11493 states and 14363 transitions. [2021-11-02 22:58:32,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:58:32,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-02 22:58:32,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:32,160 INFO L225 Difference]: With dead ends: 11493 [2021-11-02 22:58:32,160 INFO L226 Difference]: Without dead ends: 11485 [2021-11-02 22:58:32,165 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11485 states. [2021-11-02 22:58:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11485 to 9937. [2021-11-02 22:58:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9937 states, 9617 states have (on average 1.2892794010606219) internal successors, (12399), 9884 states have internal predecessors, (12399), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 12509 transitions. [2021-11-02 22:58:32,939 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 12509 transitions. Word has length 59 [2021-11-02 22:58:32,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:32,939 INFO L470 AbstractCegarLoop]: Abstraction has 9937 states and 12509 transitions. [2021-11-02 22:58:32,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:32,940 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 12509 transitions. [2021-11-02 22:58:32,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-02 22:58:32,941 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:32,942 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:32,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-02 22:58:32,942 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr155ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:32,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:32,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1764434659, now seen corresponding path program 1 times [2021-11-02 22:58:32,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:32,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179174233] [2021-11-02 22:58:32,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:32,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:33,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:33,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179174233] [2021-11-02 22:58:33,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179174233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:33,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:33,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:58:33,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520398216] [2021-11-02 22:58:33,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:58:33,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:33,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:58:33,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:33,654 INFO L87 Difference]: Start difference. First operand 9937 states and 12509 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:36,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:36,292 INFO L93 Difference]: Finished difference Result 22375 states and 28090 transitions. [2021-11-02 22:58:36,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:58:36,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-02 22:58:36,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:36,316 INFO L225 Difference]: With dead ends: 22375 [2021-11-02 22:58:36,316 INFO L226 Difference]: Without dead ends: 12482 [2021-11-02 22:58:36,335 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:58:36,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12482 states. [2021-11-02 22:58:37,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12482 to 9937. [2021-11-02 22:58:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9937 states, 9617 states have (on average 1.2841842570448165) internal successors, (12350), 9884 states have internal predecessors, (12350), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 12460 transitions. [2021-11-02 22:58:37,159 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 12460 transitions. Word has length 60 [2021-11-02 22:58:37,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:37,160 INFO L470 AbstractCegarLoop]: Abstraction has 9937 states and 12460 transitions. [2021-11-02 22:58:37,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 12460 transitions. [2021-11-02 22:58:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-02 22:58:37,161 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:37,161 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:37,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-02 22:58:37,161 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr155ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:37,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:37,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1764375077, now seen corresponding path program 1 times [2021-11-02 22:58:37,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:37,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641136869] [2021-11-02 22:58:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:37,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:37,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:37,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641136869] [2021-11-02 22:58:37,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641136869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:37,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:37,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:58:37,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743224827] [2021-11-02 22:58:37,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:37,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:37,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:37,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:37,866 INFO L87 Difference]: Start difference. First operand 9937 states and 12460 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:39,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:39,523 INFO L93 Difference]: Finished difference Result 12521 states and 15620 transitions. [2021-11-02 22:58:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:58:39,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-02 22:58:39,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:39,548 INFO L225 Difference]: With dead ends: 12521 [2021-11-02 22:58:39,548 INFO L226 Difference]: Without dead ends: 12423 [2021-11-02 22:58:39,554 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:39,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12423 states. [2021-11-02 22:58:40,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12423 to 9839. [2021-11-02 22:58:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9839 states, 9568 states have (on average 1.2805183946488294) internal successors, (12252), 9786 states have internal predecessors, (12252), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9839 states to 9839 states and 12362 transitions. [2021-11-02 22:58:40,559 INFO L78 Accepts]: Start accepts. Automaton has 9839 states and 12362 transitions. Word has length 60 [2021-11-02 22:58:40,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:40,559 INFO L470 AbstractCegarLoop]: Abstraction has 9839 states and 12362 transitions. [2021-11-02 22:58:40,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 9839 states and 12362 transitions. [2021-11-02 22:58:40,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-02 22:58:40,561 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:40,561 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:40,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-02 22:58:40,561 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr154ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:40,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:40,562 INFO L85 PathProgramCache]: Analyzing trace with hash -448738402, now seen corresponding path program 1 times [2021-11-02 22:58:40,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:40,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655175870] [2021-11-02 22:58:40,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:40,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:40,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:40,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655175870] [2021-11-02 22:58:40,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655175870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:40,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:40,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:40,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143446468] [2021-11-02 22:58:40,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:40,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:40,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:40,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:40,961 INFO L87 Difference]: Start difference. First operand 9839 states and 12362 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:41,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:41,800 INFO L93 Difference]: Finished difference Result 9839 states and 12362 transitions. [2021-11-02 22:58:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:58:41,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-02 22:58:41,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:41,814 INFO L225 Difference]: With dead ends: 9839 [2021-11-02 22:58:41,815 INFO L226 Difference]: Without dead ends: 9434 [2021-11-02 22:58:41,819 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:41,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9434 states. [2021-11-02 22:58:42,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9434 to 9434. [2021-11-02 22:58:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9434 states, 9165 states have (on average 1.289252591380251) internal successors, (11816), 9381 states have internal predecessors, (11816), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:42,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9434 states to 9434 states and 11926 transitions. [2021-11-02 22:58:42,734 INFO L78 Accepts]: Start accepts. Automaton has 9434 states and 11926 transitions. Word has length 61 [2021-11-02 22:58:42,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:42,734 INFO L470 AbstractCegarLoop]: Abstraction has 9434 states and 11926 transitions. [2021-11-02 22:58:42,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 9434 states and 11926 transitions. [2021-11-02 22:58:42,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-02 22:58:42,735 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:42,736 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:42,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-02 22:58:42,736 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr156ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:42,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash -661837717, now seen corresponding path program 1 times [2021-11-02 22:58:42,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:42,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421376068] [2021-11-02 22:58:42,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:42,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:43,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:43,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421376068] [2021-11-02 22:58:43,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421376068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:43,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:43,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:58:43,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182813007] [2021-11-02 22:58:43,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:58:43,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:43,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:58:43,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:43,121 INFO L87 Difference]: Start difference. First operand 9434 states and 11926 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:44,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:44,168 INFO L93 Difference]: Finished difference Result 18601 states and 23637 transitions. [2021-11-02 22:58:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:58:44,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-02 22:58:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:44,184 INFO L225 Difference]: With dead ends: 18601 [2021-11-02 22:58:44,185 INFO L226 Difference]: Without dead ends: 8950 [2021-11-02 22:58:44,203 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:44,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8950 states. [2021-11-02 22:58:45,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8950 to 8950. [2021-11-02 22:58:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8950 states, 8755 states have (on average 1.2801827527127356) internal successors, (11208), 8897 states have internal predecessors, (11208), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:45,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8950 states to 8950 states and 11318 transitions. [2021-11-02 22:58:45,196 INFO L78 Accepts]: Start accepts. Automaton has 8950 states and 11318 transitions. Word has length 63 [2021-11-02 22:58:45,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:45,197 INFO L470 AbstractCegarLoop]: Abstraction has 8950 states and 11318 transitions. [2021-11-02 22:58:45,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:45,197 INFO L276 IsEmpty]: Start isEmpty. Operand 8950 states and 11318 transitions. [2021-11-02 22:58:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-02 22:58:45,198 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:45,199 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:45,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-02 22:58:45,199 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr157ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:45,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:45,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1700307007, now seen corresponding path program 1 times [2021-11-02 22:58:45,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:45,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144687326] [2021-11-02 22:58:45,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:45,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:45,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:45,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144687326] [2021-11-02 22:58:45,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144687326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:45,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:45,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:45,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702676248] [2021-11-02 22:58:45,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:58:45,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:45,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:58:45,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:58:45,992 INFO L87 Difference]: Start difference. First operand 8950 states and 11318 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:47,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:47,428 INFO L93 Difference]: Finished difference Result 12548 states and 15771 transitions. [2021-11-02 22:58:47,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:58:47,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-02 22:58:47,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:47,450 INFO L225 Difference]: With dead ends: 12548 [2021-11-02 22:58:47,451 INFO L226 Difference]: Without dead ends: 12530 [2021-11-02 22:58:47,456 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:47,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12530 states. [2021-11-02 22:58:48,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12530 to 8932. [2021-11-02 22:58:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8932 states, 8746 states have (on average 1.2794420306425796) internal successors, (11190), 8879 states have internal predecessors, (11190), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8932 states to 8932 states and 11300 transitions. [2021-11-02 22:58:48,499 INFO L78 Accepts]: Start accepts. Automaton has 8932 states and 11300 transitions. Word has length 70 [2021-11-02 22:58:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:48,500 INFO L470 AbstractCegarLoop]: Abstraction has 8932 states and 11300 transitions. [2021-11-02 22:58:48,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 8932 states and 11300 transitions. [2021-11-02 22:58:48,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-02 22:58:48,501 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:48,501 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:48,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-02 22:58:48,501 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:48,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:48,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1629323973, now seen corresponding path program 1 times [2021-11-02 22:58:48,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:48,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131810837] [2021-11-02 22:58:48,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:48,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:48,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:48,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131810837] [2021-11-02 22:58:48,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131810837] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:48,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:48,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:48,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284708833] [2021-11-02 22:58:48,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:58:48,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:48,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:58:48,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:48,918 INFO L87 Difference]: Start difference. First operand 8932 states and 11300 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:49,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:49,955 INFO L93 Difference]: Finished difference Result 17817 states and 22548 transitions. [2021-11-02 22:58:49,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:58:49,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-02 22:58:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:50,085 INFO L225 Difference]: With dead ends: 17817 [2021-11-02 22:58:50,085 INFO L226 Difference]: Without dead ends: 8929 [2021-11-02 22:58:50,093 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:50,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states. [2021-11-02 22:58:50,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 8929. [2021-11-02 22:58:50,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8929 states, 8744 states have (on average 1.279277218664227) internal successors, (11186), 8876 states have internal predecessors, (11186), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 11296 transitions. [2021-11-02 22:58:50,979 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 11296 transitions. Word has length 71 [2021-11-02 22:58:50,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:50,980 INFO L470 AbstractCegarLoop]: Abstraction has 8929 states and 11296 transitions. [2021-11-02 22:58:50,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 11296 transitions. [2021-11-02 22:58:50,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-02 22:58:50,982 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:50,982 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:50,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-02 22:58:50,983 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:50,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:50,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2104323085, now seen corresponding path program 1 times [2021-11-02 22:58:50,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:50,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746314773] [2021-11-02 22:58:50,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:50,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:51,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:51,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746314773] [2021-11-02 22:58:51,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746314773] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:51,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:51,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:58:51,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989988033] [2021-11-02 22:58:51,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:58:51,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:51,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:58:51,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:58:51,554 INFO L87 Difference]: Start difference. First operand 8929 states and 11296 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:53,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:53,374 INFO L93 Difference]: Finished difference Result 17811 states and 22540 transitions. [2021-11-02 22:58:53,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:58:53,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-02 22:58:53,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:53,393 INFO L225 Difference]: With dead ends: 17811 [2021-11-02 22:58:53,393 INFO L226 Difference]: Without dead ends: 8926 [2021-11-02 22:58:53,403 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:58:53,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8926 states. [2021-11-02 22:58:54,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8926 to 8926. [2021-11-02 22:58:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8926 states, 8742 states have (on average 1.279112331274308) internal successors, (11182), 8873 states have internal predecessors, (11182), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:54,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8926 states to 8926 states and 11292 transitions. [2021-11-02 22:58:54,345 INFO L78 Accepts]: Start accepts. Automaton has 8926 states and 11292 transitions. Word has length 74 [2021-11-02 22:58:54,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:54,345 INFO L470 AbstractCegarLoop]: Abstraction has 8926 states and 11292 transitions. [2021-11-02 22:58:54,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 8926 states and 11292 transitions. [2021-11-02 22:58:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-02 22:58:54,346 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:54,347 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:54,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-02 22:58:54,347 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr160ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:54,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:54,347 INFO L85 PathProgramCache]: Analyzing trace with hash -460107942, now seen corresponding path program 1 times [2021-11-02 22:58:54,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:54,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784402782] [2021-11-02 22:58:54,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:54,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:54,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:54,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784402782] [2021-11-02 22:58:54,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784402782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:54,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:54,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:54,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272342286] [2021-11-02 22:58:54,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:58:54,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:54,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:58:54,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:54,807 INFO L87 Difference]: Start difference. First operand 8926 states and 11292 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:56,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:56,107 INFO L93 Difference]: Finished difference Result 12691 states and 16074 transitions. [2021-11-02 22:58:56,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:58:56,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-02 22:58:56,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:56,121 INFO L225 Difference]: With dead ends: 12691 [2021-11-02 22:58:56,121 INFO L226 Difference]: Without dead ends: 9908 [2021-11-02 22:58:56,126 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:56,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9908 states. [2021-11-02 22:58:56,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9908 to 8927. [2021-11-02 22:58:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8927 states, 8743 states have (on average 1.2790804071828892) internal successors, (11183), 8874 states have internal predecessors, (11183), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:56,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8927 states to 8927 states and 11293 transitions. [2021-11-02 22:58:56,987 INFO L78 Accepts]: Start accepts. Automaton has 8927 states and 11293 transitions. Word has length 75 [2021-11-02 22:58:56,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:56,987 INFO L470 AbstractCegarLoop]: Abstraction has 8927 states and 11293 transitions. [2021-11-02 22:58:56,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 8927 states and 11293 transitions. [2021-11-02 22:58:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-02 22:58:56,989 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:56,990 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:56,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-02 22:58:56,990 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr158ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:56,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:56,991 INFO L85 PathProgramCache]: Analyzing trace with hash 159085098, now seen corresponding path program 1 times [2021-11-02 22:58:56,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:56,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692443328] [2021-11-02 22:58:56,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:56,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:58:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:58:57,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:58:57,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692443328] [2021-11-02 22:58:57,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692443328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:58:57,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:58:57,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:58:57,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057521505] [2021-11-02 22:58:57,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:58:57,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:58:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:58:57,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:57,386 INFO L87 Difference]: Start difference. First operand 8927 states and 11293 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:58,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:58:58,656 INFO L93 Difference]: Finished difference Result 16656 states and 21103 transitions. [2021-11-02 22:58:58,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:58:58,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-02 22:58:58,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:58:58,674 INFO L225 Difference]: With dead ends: 16656 [2021-11-02 22:58:58,674 INFO L226 Difference]: Without dead ends: 10423 [2021-11-02 22:58:58,685 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:58:58,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10423 states. [2021-11-02 22:58:59,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10423 to 8931. [2021-11-02 22:58:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8931 states, 8747 states have (on average 1.2789527838115926) internal successors, (11187), 8878 states have internal predecessors, (11187), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:58:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8931 states to 8931 states and 11297 transitions. [2021-11-02 22:58:59,614 INFO L78 Accepts]: Start accepts. Automaton has 8931 states and 11297 transitions. Word has length 77 [2021-11-02 22:58:59,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:58:59,615 INFO L470 AbstractCegarLoop]: Abstraction has 8931 states and 11297 transitions. [2021-11-02 22:58:59,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:58:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 8931 states and 11297 transitions. [2021-11-02 22:58:59,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-02 22:58:59,617 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:58:59,617 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:58:59,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-02 22:58:59,617 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr160ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:58:59,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:58:59,618 INFO L85 PathProgramCache]: Analyzing trace with hash 10170282, now seen corresponding path program 1 times [2021-11-02 22:58:59,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:58:59,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733174001] [2021-11-02 22:58:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:58:59,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:58:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:00,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:00,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:00,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733174001] [2021-11-02 22:59:00,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733174001] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:59:00,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773204143] [2021-11-02 22:59:00,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:00,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:59:00,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:59:00,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:59:00,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 22:59:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:04,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 6304 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 22:59:04,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:59:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:04,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773204143] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:59:04,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:59:04,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-11-02 22:59:04,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275501640] [2021-11-02 22:59:04,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:59:04,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:04,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:59:04,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:04,813 INFO L87 Difference]: Start difference. First operand 8931 states and 11297 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:06,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:06,407 INFO L93 Difference]: Finished difference Result 13684 states and 17305 transitions. [2021-11-02 22:59:06,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:59:06,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-02 22:59:06,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:06,438 INFO L225 Difference]: With dead ends: 13684 [2021-11-02 22:59:06,439 INFO L226 Difference]: Without dead ends: 10898 [2021-11-02 22:59:06,452 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:06,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10898 states. [2021-11-02 22:59:07,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10898 to 8936. [2021-11-02 22:59:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8752 states have (on average 1.2790219378427787) internal successors, (11194), 8883 states have internal predecessors, (11194), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:59:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11304 transitions. [2021-11-02 22:59:07,482 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11304 transitions. Word has length 78 [2021-11-02 22:59:07,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:07,482 INFO L470 AbstractCegarLoop]: Abstraction has 8936 states and 11304 transitions. [2021-11-02 22:59:07,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11304 transitions. [2021-11-02 22:59:07,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-02 22:59:07,484 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:07,485 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:07,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:59:07,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75cc1fcc-5c39-4bb7-8b07-81024185225f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-11-02 22:59:07,699 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr160ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:07,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:07,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1181298726, now seen corresponding path program 1 times [2021-11-02 22:59:07,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:07,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979458628] [2021-11-02 22:59:07,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:07,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:10,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:10,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979458628] [2021-11-02 22:59:10,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979458628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:10,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:10,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:59:10,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809079904] [2021-11-02 22:59:10,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:59:10,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:10,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:59:10,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:59:10,451 INFO L87 Difference]: Start difference. First operand 8936 states and 11304 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:14,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:14,667 INFO L93 Difference]: Finished difference Result 13000 states and 16364 transitions. [2021-11-02 22:59:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:59:14,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-11-02 22:59:14,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:14,692 INFO L225 Difference]: With dead ends: 13000 [2021-11-02 22:59:14,692 INFO L226 Difference]: Without dead ends: 12982 [2021-11-02 22:59:14,698 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:14,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12982 states. [2021-11-02 22:59:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12982 to 8918. [2021-11-02 22:59:15,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8918 states, 8743 states have (on average 1.2782797666704793) internal successors, (11176), 8865 states have internal predecessors, (11176), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-02 22:59:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8918 states to 8918 states and 11286 transitions. [2021-11-02 22:59:15,736 INFO L78 Accepts]: Start accepts. Automaton has 8918 states and 11286 transitions. Word has length 80 [2021-11-02 22:59:15,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:15,737 INFO L470 AbstractCegarLoop]: Abstraction has 8918 states and 11286 transitions. [2021-11-02 22:59:15,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 8918 states and 11286 transitions. [2021-11-02 22:59:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-02 22:59:15,739 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:15,739 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:15,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-02 22:59:15,739 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr161ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:15,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:15,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1598349664, now seen corresponding path program 1 times [2021-11-02 22:59:15,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:15,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635321862] [2021-11-02 22:59:15,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:15,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:17,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:17,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635321862] [2021-11-02 22:59:17,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635321862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:17,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:17,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:17,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866864127] [2021-11-02 22:59:17,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:59:17,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:17,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:59:17,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:59:17,187 INFO L87 Difference]: Start difference. First operand 8918 states and 11286 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:19,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:19,787 INFO L93 Difference]: Finished difference Result 15287 states and 19308 transitions. [2021-11-02 22:59:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:59:19,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-02 22:59:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:19,814 INFO L225 Difference]: With dead ends: 15287 [2021-11-02 22:59:19,814 INFO L226 Difference]: Without dead ends: 15285 [2021-11-02 22:59:19,821 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:19,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15285 states. [2021-11-02 22:59:21,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15285 to 11501. [2021-11-02 22:59:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11501 states, 11295 states have (on average 1.2824258521469676) internal successors, (14485), 11429 states have internal predecessors, (14485), 70 states have call successors, (70), 36 states have call predecessors, (70), 36 states have return successors, (102), 61 states have call predecessors, (102), 70 states have call successors, (102) [2021-11-02 22:59:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11501 states to 11501 states and 14657 transitions. [2021-11-02 22:59:21,140 INFO L78 Accepts]: Start accepts. Automaton has 11501 states and 14657 transitions. Word has length 84 [2021-11-02 22:59:21,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:21,140 INFO L470 AbstractCegarLoop]: Abstraction has 11501 states and 14657 transitions. [2021-11-02 22:59:21,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 11501 states and 14657 transitions. [2021-11-02 22:59:21,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-02 22:59:21,144 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:21,144 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:21,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-02 22:59:21,144 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting pcistub_put_pci_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:21,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:21,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1749308285, now seen corresponding path program 1 times [2021-11-02 22:59:21,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:21,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140761856] [2021-11-02 22:59:21,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:21,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:21,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:21,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:21,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140761856] [2021-11-02 22:59:21,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140761856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:21,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:21,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:21,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811554885] [2021-11-02 22:59:21,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:59:21,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:21,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:59:21,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:59:21,812 INFO L87 Difference]: Start difference. First operand 11501 states and 14657 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:23,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:23,531 INFO L93 Difference]: Finished difference Result 11568 states and 14727 transitions. [2021-11-02 22:59:23,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:59:23,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-11-02 22:59:23,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:23,555 INFO L225 Difference]: With dead ends: 11568 [2021-11-02 22:59:23,555 INFO L226 Difference]: Without dead ends: 11566 [2021-11-02 22:59:23,561 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:23,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11566 states. [2021-11-02 22:59:24,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11566 to 11513. [2021-11-02 22:59:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11513 states, 11305 states have (on average 1.282264484741265) internal successors, (14496), 11440 states have internal predecessors, (14496), 72 states have call successors, (72), 37 states have call predecessors, (72), 36 states have return successors, (106), 61 states have call predecessors, (106), 72 states have call successors, (106) [2021-11-02 22:59:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11513 states to 11513 states and 14674 transitions. [2021-11-02 22:59:25,039 INFO L78 Accepts]: Start accepts. Automaton has 11513 states and 14674 transitions. Word has length 86 [2021-11-02 22:59:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:25,040 INFO L470 AbstractCegarLoop]: Abstraction has 11513 states and 14674 transitions. [2021-11-02 22:59:25,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 11513 states and 14674 transitions. [2021-11-02 22:59:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-02 22:59:25,042 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:25,042 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:25,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-02 22:59:25,043 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting xen_pcibk_xenbus_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:25,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:25,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1791732029, now seen corresponding path program 1 times [2021-11-02 22:59:25,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:25,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516042367] [2021-11-02 22:59:25,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:25,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:25,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:25,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516042367] [2021-11-02 22:59:25,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516042367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:25,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:25,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:25,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706586285] [2021-11-02 22:59:25,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:25,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:25,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:25,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:25,458 INFO L87 Difference]: Start difference. First operand 11513 states and 14674 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:27,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:27,385 INFO L93 Difference]: Finished difference Result 24721 states and 31441 transitions. [2021-11-02 22:59:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:27,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-02 22:59:27,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:27,425 INFO L225 Difference]: With dead ends: 24721 [2021-11-02 22:59:27,426 INFO L226 Difference]: Without dead ends: 14920 [2021-11-02 22:59:27,450 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:27,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14920 states. [2021-11-02 22:59:28,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14920 to 11519. [2021-11-02 22:59:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11311 states have (on average 1.2821147555476968) internal successors, (14502), 11446 states have internal predecessors, (14502), 72 states have call successors, (72), 37 states have call predecessors, (72), 36 states have return successors, (106), 61 states have call predecessors, (106), 72 states have call successors, (106) [2021-11-02 22:59:28,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 14680 transitions. [2021-11-02 22:59:28,989 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 14680 transitions. Word has length 88 [2021-11-02 22:59:28,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:28,989 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 14680 transitions. [2021-11-02 22:59:28,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 14680 transitions. [2021-11-02 22:59:28,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-02 22:59:28,992 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:28,992 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:28,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-02 22:59:28,992 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting pcistub_put_pci_devErr1ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:28,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:28,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1533559769, now seen corresponding path program 1 times [2021-11-02 22:59:28,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:28,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381290523] [2021-11-02 22:59:28,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:28,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:29,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:29,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381290523] [2021-11-02 22:59:29,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381290523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:29,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:29,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:59:29,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115092119] [2021-11-02 22:59:29,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:59:29,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:29,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:59:29,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:59:29,443 INFO L87 Difference]: Start difference. First operand 11519 states and 14680 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:33,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:33,783 INFO L93 Difference]: Finished difference Result 11572 states and 14730 transitions. [2021-11-02 22:59:33,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:59:33,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-11-02 22:59:33,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:33,809 INFO L225 Difference]: With dead ends: 11572 [2021-11-02 22:59:33,809 INFO L226 Difference]: Without dead ends: 11570 [2021-11-02 22:59:33,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:33,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11570 states. [2021-11-02 22:59:35,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11570 to 11517. [2021-11-02 22:59:35,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11517 states, 11310 states have (on average 1.2819628647214854) internal successors, (14499), 11444 states have internal predecessors, (14499), 72 states have call successors, (72), 37 states have call predecessors, (72), 36 states have return successors, (106), 61 states have call predecessors, (106), 72 states have call successors, (106) [2021-11-02 22:59:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11517 states to 11517 states and 14677 transitions. [2021-11-02 22:59:35,567 INFO L78 Accepts]: Start accepts. Automaton has 11517 states and 14677 transitions. Word has length 94 [2021-11-02 22:59:35,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:35,567 INFO L470 AbstractCegarLoop]: Abstraction has 11517 states and 14677 transitions. [2021-11-02 22:59:35,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 11517 states and 14677 transitions. [2021-11-02 22:59:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-02 22:59:35,569 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:35,570 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:35,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-02 22:59:35,570 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting xen_pcibk_xenbus_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:35,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:35,571 INFO L85 PathProgramCache]: Analyzing trace with hash -715983249, now seen corresponding path program 1 times [2021-11-02 22:59:35,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:35,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843367475] [2021-11-02 22:59:35,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:35,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:36,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:36,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843367475] [2021-11-02 22:59:36,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843367475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:36,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:36,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:59:36,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108405402] [2021-11-02 22:59:36,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:59:36,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:36,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:59:36,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:36,653 INFO L87 Difference]: Start difference. First operand 11517 states and 14677 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:38,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:38,558 INFO L93 Difference]: Finished difference Result 20368 states and 26044 transitions. [2021-11-02 22:59:38,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:59:38,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-11-02 22:59:38,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:38,575 INFO L225 Difference]: With dead ends: 20368 [2021-11-02 22:59:38,575 INFO L226 Difference]: Without dead ends: 11517 [2021-11-02 22:59:38,588 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:59:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11517 states. [2021-11-02 22:59:39,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11517 to 11517. [2021-11-02 22:59:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11517 states, 11310 states have (on average 1.2818744473916888) internal successors, (14498), 11444 states have internal predecessors, (14498), 72 states have call successors, (72), 37 states have call predecessors, (72), 36 states have return successors, (106), 61 states have call predecessors, (106), 72 states have call successors, (106) [2021-11-02 22:59:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11517 states to 11517 states and 14676 transitions. [2021-11-02 22:59:39,872 INFO L78 Accepts]: Start accepts. Automaton has 11517 states and 14676 transitions. Word has length 94 [2021-11-02 22:59:39,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:39,872 INFO L470 AbstractCegarLoop]: Abstraction has 11517 states and 14676 transitions. [2021-11-02 22:59:39,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 11517 states and 14676 transitions. [2021-11-02 22:59:39,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-02 22:59:39,875 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:39,875 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:39,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-02 22:59:39,875 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting xen_pcibk_xenbus_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash -56451727, now seen corresponding path program 1 times [2021-11-02 22:59:39,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:39,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757605413] [2021-11-02 22:59:39,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:39,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:40,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:40,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757605413] [2021-11-02 22:59:40,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757605413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:40,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:40,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:59:40,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356772974] [2021-11-02 22:59:40,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:59:40,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:40,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:59:40,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:40,749 INFO L87 Difference]: Start difference. First operand 11517 states and 14676 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:42,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:42,575 INFO L93 Difference]: Finished difference Result 20340 states and 26020 transitions. [2021-11-02 22:59:42,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:59:42,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-11-02 22:59:42,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:42,593 INFO L225 Difference]: With dead ends: 20340 [2021-11-02 22:59:42,594 INFO L226 Difference]: Without dead ends: 11517 [2021-11-02 22:59:42,607 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:59:42,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11517 states. [2021-11-02 22:59:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11517 to 11517. [2021-11-02 22:59:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11517 states, 11310 states have (on average 1.2816091954022988) internal successors, (14495), 11444 states have internal predecessors, (14495), 72 states have call successors, (72), 37 states have call predecessors, (72), 36 states have return successors, (106), 61 states have call predecessors, (106), 72 states have call successors, (106) [2021-11-02 22:59:43,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11517 states to 11517 states and 14673 transitions. [2021-11-02 22:59:43,916 INFO L78 Accepts]: Start accepts. Automaton has 11517 states and 14673 transitions. Word has length 94 [2021-11-02 22:59:43,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:43,916 INFO L470 AbstractCegarLoop]: Abstraction has 11517 states and 14673 transitions. [2021-11-02 22:59:43,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 11517 states and 14673 transitions. [2021-11-02 22:59:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-02 22:59:43,918 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:43,918 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:43,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-02 22:59:43,918 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting xen_pcibk_xenbus_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:43,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:43,919 INFO L85 PathProgramCache]: Analyzing trace with hash -56392145, now seen corresponding path program 1 times [2021-11-02 22:59:43,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:43,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087576371] [2021-11-02 22:59:43,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:43,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:44,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:44,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087576371] [2021-11-02 22:59:44,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087576371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:44,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:44,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:59:44,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636772494] [2021-11-02 22:59:44,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:59:44,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:44,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:59:44,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:59:44,367 INFO L87 Difference]: Start difference. First operand 11517 states and 14673 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:45,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:45,832 INFO L93 Difference]: Finished difference Result 11517 states and 14673 transitions. [2021-11-02 22:59:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:59:45,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-11-02 22:59:45,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:45,855 INFO L225 Difference]: With dead ends: 11517 [2021-11-02 22:59:45,855 INFO L226 Difference]: Without dead ends: 11511 [2021-11-02 22:59:45,861 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:45,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11511 states. [2021-11-02 22:59:47,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11511 to 11511. [2021-11-02 22:59:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11511 states, 11307 states have (on average 1.281418590253825) internal successors, (14489), 11438 states have internal predecessors, (14489), 72 states have call successors, (72), 37 states have call predecessors, (72), 36 states have return successors, (106), 61 states have call predecessors, (106), 72 states have call successors, (106) [2021-11-02 22:59:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11511 states to 11511 states and 14667 transitions. [2021-11-02 22:59:47,477 INFO L78 Accepts]: Start accepts. Automaton has 11511 states and 14667 transitions. Word has length 94 [2021-11-02 22:59:47,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:47,477 INFO L470 AbstractCegarLoop]: Abstraction has 11511 states and 14667 transitions. [2021-11-02 22:59:47,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 11511 states and 14667 transitions. [2021-11-02 22:59:47,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-02 22:59:47,480 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:47,480 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:47,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-02 22:59:47,481 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:47,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:47,482 INFO L85 PathProgramCache]: Analyzing trace with hash 522129340, now seen corresponding path program 1 times [2021-11-02 22:59:47,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:47,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748847662] [2021-11-02 22:59:47,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:47,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:48,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:48,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748847662] [2021-11-02 22:59:48,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748847662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:48,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:48,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:48,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147286672] [2021-11-02 22:59:48,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:59:48,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:48,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:59:48,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:59:48,035 INFO L87 Difference]: Start difference. First operand 11511 states and 14667 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:49,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:49,835 INFO L93 Difference]: Finished difference Result 11564 states and 14717 transitions. [2021-11-02 22:59:49,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:59:49,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-11-02 22:59:49,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:49,855 INFO L225 Difference]: With dead ends: 11564 [2021-11-02 22:59:49,855 INFO L226 Difference]: Without dead ends: 11562 [2021-11-02 22:59:49,861 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:49,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11562 states. [2021-11-02 22:59:51,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11562 to 11519. [2021-11-02 22:59:51,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11314 states have (on average 1.2812444758706028) internal successors, (14496), 11445 states have internal predecessors, (14496), 73 states have call successors, (73), 38 states have call predecessors, (73), 36 states have return successors, (107), 61 states have call predecessors, (107), 73 states have call successors, (107) [2021-11-02 22:59:51,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 14676 transitions. [2021-11-02 22:59:51,417 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 14676 transitions. Word has length 97 [2021-11-02 22:59:51,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:51,417 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 14676 transitions. [2021-11-02 22:59:51,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:51,418 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 14676 transitions. [2021-11-02 22:59:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-02 22:59:51,420 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:51,421 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:51,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-02 22:59:51,421 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting pcistub_removeErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:51,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:51,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1394906954, now seen corresponding path program 1 times [2021-11-02 22:59:51,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:51,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096297522] [2021-11-02 22:59:51,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:51,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:51,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:51,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096297522] [2021-11-02 22:59:51,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096297522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:51,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:51,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:51,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642912648] [2021-11-02 22:59:51,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:59:51,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:51,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:59:51,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:59:51,943 INFO L87 Difference]: Start difference. First operand 11519 states and 14676 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:53,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:53,658 INFO L93 Difference]: Finished difference Result 11562 states and 14714 transitions. [2021-11-02 22:59:53,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:59:53,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-02 22:59:53,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:53,676 INFO L225 Difference]: With dead ends: 11562 [2021-11-02 22:59:53,677 INFO L226 Difference]: Without dead ends: 11558 [2021-11-02 22:59:53,681 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:53,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11558 states. [2021-11-02 22:59:54,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11558 to 11523. [2021-11-02 22:59:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11523 states, 11318 states have (on average 1.2809683689697826) internal successors, (14498), 11448 states have internal predecessors, (14498), 74 states have call successors, (74), 39 states have call predecessors, (74), 36 states have return successors, (108), 61 states have call predecessors, (108), 74 states have call successors, (108) [2021-11-02 22:59:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11523 states to 11523 states and 14680 transitions. [2021-11-02 22:59:55,033 INFO L78 Accepts]: Start accepts. Automaton has 11523 states and 14680 transitions. Word has length 100 [2021-11-02 22:59:55,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:55,033 INFO L470 AbstractCegarLoop]: Abstraction has 11523 states and 14680 transitions. [2021-11-02 22:59:55,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 11523 states and 14680 transitions. [2021-11-02 22:59:55,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-02 22:59:55,037 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:55,037 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:55,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-02 22:59:55,038 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting __xen_pcibk_release_devicesErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:55,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:55,038 INFO L85 PathProgramCache]: Analyzing trace with hash -919259084, now seen corresponding path program 1 times [2021-11-02 22:59:55,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:55,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536180422] [2021-11-02 22:59:55,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:55,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:55,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:55,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536180422] [2021-11-02 22:59:55,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536180422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:55,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:55,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:55,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661215475] [2021-11-02 22:59:55,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:59:55,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:55,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:59:55,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:59:55,852 INFO L87 Difference]: Start difference. First operand 11523 states and 14680 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:57,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:59:57,269 INFO L93 Difference]: Finished difference Result 11713 states and 14890 transitions. [2021-11-02 22:59:57,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:59:57,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-11-02 22:59:57,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:59:57,289 INFO L225 Difference]: With dead ends: 11713 [2021-11-02 22:59:57,289 INFO L226 Difference]: Without dead ends: 11711 [2021-11-02 22:59:57,294 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:59:57,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11711 states. [2021-11-02 22:59:58,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11711 to 11532. [2021-11-02 22:59:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11532 states, 11326 states have (on average 1.280858202366237) internal successors, (14507), 11457 states have internal predecessors, (14507), 74 states have call successors, (74), 39 states have call predecessors, (74), 37 states have return successors, (110), 61 states have call predecessors, (110), 74 states have call successors, (110) [2021-11-02 22:59:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11532 states to 11532 states and 14691 transitions. [2021-11-02 22:59:58,771 INFO L78 Accepts]: Start accepts. Automaton has 11532 states and 14691 transitions. Word has length 101 [2021-11-02 22:59:58,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:59:58,772 INFO L470 AbstractCegarLoop]: Abstraction has 11532 states and 14691 transitions. [2021-11-02 22:59:58,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:59:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 11532 states and 14691 transitions. [2021-11-02 22:59:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-02 22:59:58,774 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:59:58,774 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:59:58,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-02 22:59:58,774 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting __xen_pcibk_release_devices___0Err0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 22:59:58,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:59:58,774 INFO L85 PathProgramCache]: Analyzing trace with hash -173133201, now seen corresponding path program 1 times [2021-11-02 22:59:58,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:59:58,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825468877] [2021-11-02 22:59:58,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:59:58,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:59:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:59:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:59:59,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:59:59,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825468877] [2021-11-02 22:59:59,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825468877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:59:59,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:59:59,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:59:59,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143900051] [2021-11-02 22:59:59,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:59:59,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:59:59,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:59:59,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:59:59,664 INFO L87 Difference]: Start difference. First operand 11532 states and 14691 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:00:01,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:00:01,329 INFO L93 Difference]: Finished difference Result 11715 states and 14892 transitions. [2021-11-02 23:00:01,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 23:00:01,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-11-02 23:00:01,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:00:01,356 INFO L225 Difference]: With dead ends: 11715 [2021-11-02 23:00:01,356 INFO L226 Difference]: Without dead ends: 11713 [2021-11-02 23:00:01,363 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:00:01,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11713 states. [2021-11-02 23:00:03,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11713 to 11539. [2021-11-02 23:00:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11539 states, 11332 states have (on average 1.2807094952347335) internal successors, (14513), 11464 states have internal predecessors, (14513), 74 states have call successors, (74), 39 states have call predecessors, (74), 38 states have return successors, (111), 61 states have call predecessors, (111), 74 states have call successors, (111) [2021-11-02 23:00:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11539 states to 11539 states and 14698 transitions. [2021-11-02 23:00:03,171 INFO L78 Accepts]: Start accepts. Automaton has 11539 states and 14698 transitions. Word has length 102 [2021-11-02 23:00:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:00:03,172 INFO L470 AbstractCegarLoop]: Abstraction has 11539 states and 14698 transitions. [2021-11-02 23:00:03,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:00:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 11539 states and 14698 transitions. [2021-11-02 23:00:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-02 23:00:03,175 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:00:03,175 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:00:03,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-02 23:00:03,175 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 23:00:03,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:03,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1674942149, now seen corresponding path program 1 times [2021-11-02 23:00:03,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:03,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333888165] [2021-11-02 23:00:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:03,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:00:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:00:04,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:00:04,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333888165] [2021-11-02 23:00:04,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333888165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:00:04,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:00:04,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:00:04,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854072733] [2021-11-02 23:00:04,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:00:04,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:00:04,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:00:04,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:00:04,126 INFO L87 Difference]: Start difference. First operand 11539 states and 14698 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:00:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:00:08,836 INFO L93 Difference]: Finished difference Result 28449 states and 36388 transitions. [2021-11-02 23:00:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 23:00:08,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-11-02 23:00:08,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:00:08,873 INFO L225 Difference]: With dead ends: 28449 [2021-11-02 23:00:08,873 INFO L226 Difference]: Without dead ends: 16954 [2021-11-02 23:00:08,891 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:00:08,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16954 states. [2021-11-02 23:00:10,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16954 to 16795. [2021-11-02 23:00:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16795 states, 16522 states have (on average 1.2830771093088005) internal successors, (21199), 16680 states have internal predecessors, (21199), 116 states have call successors, (116), 61 states have call predecessors, (116), 62 states have return successors, (178), 95 states have call predecessors, (178), 116 states have call successors, (178) [2021-11-02 23:00:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16795 states to 16795 states and 21493 transitions. [2021-11-02 23:00:11,006 INFO L78 Accepts]: Start accepts. Automaton has 16795 states and 21493 transitions. Word has length 102 [2021-11-02 23:00:11,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:00:11,007 INFO L470 AbstractCegarLoop]: Abstraction has 16795 states and 21493 transitions. [2021-11-02 23:00:11,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:00:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 16795 states and 21493 transitions. [2021-11-02 23:00:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-02 23:00:11,009 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:00:11,009 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:00:11,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-02 23:00:11,010 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 23:00:11,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:11,010 INFO L85 PathProgramCache]: Analyzing trace with hash 646224614, now seen corresponding path program 1 times [2021-11-02 23:00:11,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:11,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613642753] [2021-11-02 23:00:11,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:11,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:00:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:00:11,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:00:11,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613642753] [2021-11-02 23:00:11,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613642753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:00:11,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:00:11,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 23:00:11,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788242840] [2021-11-02 23:00:11,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:00:11,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:00:11,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:00:11,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:00:11,620 INFO L87 Difference]: Start difference. First operand 16795 states and 21493 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:00:16,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:00:16,204 INFO L93 Difference]: Finished difference Result 16826 states and 21519 transitions. [2021-11-02 23:00:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 23:00:16,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-02 23:00:16,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:00:16,236 INFO L225 Difference]: With dead ends: 16826 [2021-11-02 23:00:16,237 INFO L226 Difference]: Without dead ends: 16824 [2021-11-02 23:00:16,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:00:16,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16824 states. [2021-11-02 23:00:18,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16824 to 16793. [2021-11-02 23:00:18,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16793 states, 16521 states have (on average 1.2828521275951819) internal successors, (21194), 16678 states have internal predecessors, (21194), 116 states have call successors, (116), 61 states have call predecessors, (116), 62 states have return successors, (178), 95 states have call predecessors, (178), 116 states have call successors, (178) [2021-11-02 23:00:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16793 states to 16793 states and 21488 transitions. [2021-11-02 23:00:18,827 INFO L78 Accepts]: Start accepts. Automaton has 16793 states and 21488 transitions. Word has length 105 [2021-11-02 23:00:18,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:00:18,827 INFO L470 AbstractCegarLoop]: Abstraction has 16793 states and 21488 transitions. [2021-11-02 23:00:18,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:00:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 16793 states and 21488 transitions. [2021-11-02 23:00:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-02 23:00:18,831 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:00:18,831 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:00:18,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-02 23:00:18,832 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr162ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 23:00:18,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:18,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1135426456, now seen corresponding path program 1 times [2021-11-02 23:00:18,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:18,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934564815] [2021-11-02 23:00:18,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:18,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:00:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-02 23:00:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:00:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:00:19,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:00:19,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934564815] [2021-11-02 23:00:19,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934564815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:00:19,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:00:19,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 23:00:19,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238646684] [2021-11-02 23:00:19,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:00:19,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:00:19,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:00:19,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:00:19,296 INFO L87 Difference]: Start difference. First operand 16793 states and 21488 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 23:00:42,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:00:42,028 INFO L93 Difference]: Finished difference Result 31057 states and 39776 transitions. [2021-11-02 23:00:42,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 23:00:42,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 108 [2021-11-02 23:00:42,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:00:42,071 INFO L225 Difference]: With dead ends: 31057 [2021-11-02 23:00:42,071 INFO L226 Difference]: Without dead ends: 20544 [2021-11-02 23:00:42,086 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:00:42,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20544 states. [2021-11-02 23:00:44,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20544 to 16799. [2021-11-02 23:00:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16799 states, 16525 states have (on average 1.2827836611195158) internal successors, (21198), 16680 states have internal predecessors, (21198), 118 states have call successors, (118), 61 states have call predecessors, (118), 62 states have return successors, (182), 99 states have call predecessors, (182), 118 states have call successors, (182) [2021-11-02 23:00:44,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16799 states to 16799 states and 21498 transitions. [2021-11-02 23:00:44,277 INFO L78 Accepts]: Start accepts. Automaton has 16799 states and 21498 transitions. Word has length 108 [2021-11-02 23:00:44,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:00:44,277 INFO L470 AbstractCegarLoop]: Abstraction has 16799 states and 21498 transitions. [2021-11-02 23:00:44,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 23:00:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 16799 states and 21498 transitions. [2021-11-02 23:00:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-02 23:00:44,281 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:00:44,281 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:00:44,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-02 23:00:44,281 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr162ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 23:00:44,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:44,282 INFO L85 PathProgramCache]: Analyzing trace with hash -696421332, now seen corresponding path program 1 times [2021-11-02 23:00:44,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:44,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306009675] [2021-11-02 23:00:44,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:44,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:00:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-02 23:00:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:00:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:00:48,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:00:48,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306009675] [2021-11-02 23:00:48,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306009675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:00:48,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:00:48,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 23:00:48,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763383395] [2021-11-02 23:00:48,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 23:00:48,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:00:48,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 23:00:48,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-02 23:00:48,165 INFO L87 Difference]: Start difference. First operand 16799 states and 21498 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 23:01:45,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:01:45,133 INFO L93 Difference]: Finished difference Result 33262 states and 42745 transitions. [2021-11-02 23:01:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-02 23:01:45,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2021-11-02 23:01:45,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:01:45,187 INFO L225 Difference]: With dead ends: 33262 [2021-11-02 23:01:45,187 INFO L226 Difference]: Without dead ends: 22743 [2021-11-02 23:01:45,213 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-02 23:01:45,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22743 states. [2021-11-02 23:01:47,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22743 to 19209. [2021-11-02 23:01:47,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19209 states, 18877 states have (on average 1.2781692006145045) internal successors, (24128), 19048 states have internal predecessors, (24128), 154 states have call successors, (154), 71 states have call predecessors, (154), 84 states have return successors, (348), 131 states have call predecessors, (348), 154 states have call successors, (348) [2021-11-02 23:01:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19209 states to 19209 states and 24630 transitions. [2021-11-02 23:01:47,927 INFO L78 Accepts]: Start accepts. Automaton has 19209 states and 24630 transitions. Word has length 110 [2021-11-02 23:01:47,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:01:47,927 INFO L470 AbstractCegarLoop]: Abstraction has 19209 states and 24630 transitions. [2021-11-02 23:01:47,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 5 states have internal predecessors, (108), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 23:01:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 19209 states and 24630 transitions. [2021-11-02 23:01:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-02 23:01:47,930 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:01:47,930 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:01:47,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-02 23:01:47,931 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr162ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 23:01:47,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:01:47,931 INFO L85 PathProgramCache]: Analyzing trace with hash 723652299, now seen corresponding path program 1 times [2021-11-02 23:01:47,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:01:47,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69769182] [2021-11-02 23:01:47,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:01:47,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:01:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:01:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-02 23:01:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:01:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:01:49,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:01:49,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69769182] [2021-11-02 23:01:49,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69769182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:01:49,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:01:49,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 23:01:49,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677781013] [2021-11-02 23:01:49,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 23:01:49,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:01:49,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 23:01:49,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-02 23:01:49,883 INFO L87 Difference]: Start difference. First operand 19209 states and 24630 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 23:02:12,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:02:12,465 INFO L93 Difference]: Finished difference Result 22164 states and 28366 transitions. [2021-11-02 23:02:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 23:02:12,466 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2021-11-02 23:02:12,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:02:12,508 INFO L225 Difference]: With dead ends: 22164 [2021-11-02 23:02:12,508 INFO L226 Difference]: Without dead ends: 22162 [2021-11-02 23:02:12,518 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-02 23:02:12,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22162 states. [2021-11-02 23:02:15,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22162 to 19369. [2021-11-02 23:02:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19369 states, 19014 states have (on average 1.2772167876301672) internal successors, (24285), 19184 states have internal predecessors, (24285), 160 states have call successors, (160), 71 states have call predecessors, (160), 101 states have return successors, (418), 155 states have call predecessors, (418), 160 states have call successors, (418) [2021-11-02 23:02:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19369 states to 19369 states and 24863 transitions. [2021-11-02 23:02:15,796 INFO L78 Accepts]: Start accepts. Automaton has 19369 states and 24863 transitions. Word has length 112 [2021-11-02 23:02:15,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:02:15,796 INFO L470 AbstractCegarLoop]: Abstraction has 19369 states and 24863 transitions. [2021-11-02 23:02:15,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-02 23:02:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 19369 states and 24863 transitions. [2021-11-02 23:02:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-02 23:02:15,801 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:02:15,801 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:02:15,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-02 23:02:15,801 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 23:02:15,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:02:15,802 INFO L85 PathProgramCache]: Analyzing trace with hash 290374024, now seen corresponding path program 1 times [2021-11-02 23:02:15,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:02:15,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097143479] [2021-11-02 23:02:15,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:02:15,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:02:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:02:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:02:17,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:02:17,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097143479] [2021-11-02 23:02:17,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097143479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:02:17,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:02:17,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:02:17,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858519562] [2021-11-02 23:02:17,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:02:17,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:02:17,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:02:17,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:02:17,029 INFO L87 Difference]: Start difference. First operand 19369 states and 24863 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:02:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:02:23,092 INFO L93 Difference]: Finished difference Result 30798 states and 39469 transitions. [2021-11-02 23:02:23,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 23:02:23,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-11-02 23:02:23,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:02:23,157 INFO L225 Difference]: With dead ends: 30798 [2021-11-02 23:02:23,158 INFO L226 Difference]: Without dead ends: 30784 [2021-11-02 23:02:23,166 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:02:23,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30784 states. [2021-11-02 23:02:27,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30784 to 25919. [2021-11-02 23:02:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25919 states, 25464 states have (on average 1.285540370719447) internal successors, (32735), 25655 states have internal predecessors, (32735), 218 states have call successors, (218), 108 states have call predecessors, (218), 150 states have return successors, (561), 207 states have call predecessors, (561), 218 states have call successors, (561) [2021-11-02 23:02:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25919 states to 25919 states and 33514 transitions. [2021-11-02 23:02:27,482 INFO L78 Accepts]: Start accepts. Automaton has 25919 states and 33514 transitions. Word has length 111 [2021-11-02 23:02:27,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:02:27,482 INFO L470 AbstractCegarLoop]: Abstraction has 25919 states and 33514 transitions. [2021-11-02 23:02:27,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:02:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 25919 states and 33514 transitions. [2021-11-02 23:02:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-02 23:02:27,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:02:27,487 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:02:27,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-02 23:02:27,487 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting pcistub_removeErr1ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 23:02:27,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:02:27,488 INFO L85 PathProgramCache]: Analyzing trace with hash -145721189, now seen corresponding path program 1 times [2021-11-02 23:02:27,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:02:27,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744589904] [2021-11-02 23:02:27,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:02:27,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:02:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:02:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:02:27,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:02:27,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744589904] [2021-11-02 23:02:27,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744589904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:02:27,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:02:27,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 23:02:27,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624493975] [2021-11-02 23:02:27,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 23:02:27,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:02:27,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:02:27,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:02:27,956 INFO L87 Difference]: Start difference. First operand 25919 states and 33514 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:02:34,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:02:34,550 INFO L93 Difference]: Finished difference Result 25962 states and 33552 transitions. [2021-11-02 23:02:34,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 23:02:34,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-11-02 23:02:34,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:02:34,602 INFO L225 Difference]: With dead ends: 25962 [2021-11-02 23:02:34,602 INFO L226 Difference]: Without dead ends: 25958 [2021-11-02 23:02:34,609 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 23:02:34,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25958 states. [2021-11-02 23:02:38,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25958 to 25915. [2021-11-02 23:02:38,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25915 states, 25462 states have (on average 1.2850915089152462) internal successors, (32721), 25651 states have internal predecessors, (32721), 218 states have call successors, (218), 108 states have call predecessors, (218), 150 states have return successors, (561), 207 states have call predecessors, (561), 218 states have call successors, (561) [2021-11-02 23:02:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25915 states to 25915 states and 33500 transitions. [2021-11-02 23:02:38,414 INFO L78 Accepts]: Start accepts. Automaton has 25915 states and 33500 transitions. Word has length 114 [2021-11-02 23:02:38,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:02:38,415 INFO L470 AbstractCegarLoop]: Abstraction has 25915 states and 33500 transitions. [2021-11-02 23:02:38,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:02:38,415 INFO L276 IsEmpty]: Start isEmpty. Operand 25915 states and 33500 transitions. [2021-11-02 23:02:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-02 23:02:38,423 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:02:38,423 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:02:38,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-02 23:02:38,424 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting xen_pcibk_setup_backendErr0ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 23:02:38,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:02:38,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1322930901, now seen corresponding path program 1 times [2021-11-02 23:02:38,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:02:38,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110827776] [2021-11-02 23:02:38,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:02:38,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:02:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:02:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:02:39,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:02:39,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110827776] [2021-11-02 23:02:39,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110827776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:02:39,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:02:39,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-02 23:02:39,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925141299] [2021-11-02 23:02:39,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 23:02:39,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:02:39,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 23:02:39,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-02 23:02:39,450 INFO L87 Difference]: Start difference. First operand 25915 states and 33500 transitions. Second operand has 10 states, 10 states have (on average 11.6) internal successors, (116), 10 states have internal predecessors, (116), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:02:44,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:02:44,176 INFO L93 Difference]: Finished difference Result 42176 states and 54702 transitions. [2021-11-02 23:02:44,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 23:02:44,177 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 10 states have internal predecessors, (116), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-11-02 23:02:44,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 23:02:44,257 INFO L225 Difference]: With dead ends: 42176 [2021-11-02 23:02:44,257 INFO L226 Difference]: Without dead ends: 25951 [2021-11-02 23:02:44,304 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-11-02 23:02:44,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25951 states. [2021-11-02 23:02:48,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25951 to 25939. [2021-11-02 23:02:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25939 states, 25485 states have (on average 1.2848342162056112) internal successors, (32744), 25675 states have internal predecessors, (32744), 218 states have call successors, (218), 108 states have call predecessors, (218), 151 states have return successors, (563), 207 states have call predecessors, (563), 218 states have call successors, (563) [2021-11-02 23:02:49,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25939 states to 25939 states and 33525 transitions. [2021-11-02 23:02:49,092 INFO L78 Accepts]: Start accepts. Automaton has 25939 states and 33525 transitions. Word has length 119 [2021-11-02 23:02:49,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 23:02:49,092 INFO L470 AbstractCegarLoop]: Abstraction has 25939 states and 33525 transitions. [2021-11-02 23:02:49,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 10 states have internal predecessors, (116), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:02:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 25939 states and 33525 transitions. [2021-11-02 23:02:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-02 23:02:49,101 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 23:02:49,101 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 23:02:49,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-02 23:02:49,102 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-02 23:02:49,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:02:49,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1496617010, now seen corresponding path program 1 times [2021-11-02 23:02:49,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:02:49,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853166202] [2021-11-02 23:02:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:02:49,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms