./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 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-173e394 [2021-11-06 22:05:57,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 22:05:57,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 22:05:57,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 22:05:57,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 22:05:57,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 22:05:57,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 22:05:57,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 22:05:57,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 22:05:57,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 22:05:57,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 22:05:57,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 22:05:57,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 22:05:57,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 22:05:57,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 22:05:57,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 22:05:57,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 22:05:57,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 22:05:57,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 22:05:57,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 22:05:57,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 22:05:57,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 22:05:57,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 22:05:57,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 22:05:57,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 22:05:57,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 22:05:57,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 22:05:57,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 22:05:57,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 22:05:57,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 22:05:57,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 22:05:57,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 22:05:57,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 22:05:57,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 22:05:57,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 22:05:57,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 22:05:57,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 22:05:57,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 22:05:57,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 22:05:57,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 22:05:57,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 22:05:57,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 22:05:57,589 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 22:05:57,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 22:05:57,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 22:05:57,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 22:05:57,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 22:05:57,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 22:05:57,596 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 22:05:57,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 22:05:57,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 22:05:57,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 22:05:57,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 22:05:57,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 22:05:57,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 22:05:57,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 22:05:57,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 22:05:57,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 22:05:57,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 22:05:57,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 22:05:57,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 22:05:57,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:05:57,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 22:05:57,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 22:05:57,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 22:05:57,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 22:05:57,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 22:05:57,599 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 22:05:57,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 22:05:57,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 22:05:57,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 22:05:57,599 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 668079de19bf0a3b986283cdf2026e08e0cc89de10c7b91fb412db22c303859d [2021-11-06 22:05:57,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 22:05:57,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 22:05:57,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 22:05:57,805 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 22:05:57,806 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 22:05:57,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-06 22:05:57,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8026a6ba5/9cd82f8ea04c4301974bf7167f8a382a/FLAG69fac9e0d [2021-11-06 22:05:58,597 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 22:05:58,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-06 22:05:58,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8026a6ba5/9cd82f8ea04c4301974bf7167f8a382a/FLAG69fac9e0d [2021-11-06 22:05:58,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8026a6ba5/9cd82f8ea04c4301974bf7167f8a382a [2021-11-06 22:05:58,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 22:05:58,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 22:05:58,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 22:05:58,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 22:05:58,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 22:05:58,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:58" (1/1) ... [2021-11-06 22:05:58,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16924931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:58, skipping insertion in model container [2021-11-06 22:05:58,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:58" (1/1) ... [2021-11-06 22:05:58,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 22:05:59,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 22:06:02,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575119,575132] [2021-11-06 22:06:02,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575264,575277] [2021-11-06 22:06:02,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575410,575423] [2021-11-06 22:06:02,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575575,575588] [2021-11-06 22:06:02,832 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575733,575746] [2021-11-06 22:06:02,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575891,575904] [2021-11-06 22:06:02,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576049,576062] [2021-11-06 22:06:02,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576209,576222] [2021-11-06 22:06:02,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576368,576381] [2021-11-06 22:06:02,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576507,576520] [2021-11-06 22:06:02,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576649,576662] [2021-11-06 22:06:02,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576798,576811] [2021-11-06 22:06:02,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576937,576950] [2021-11-06 22:06:02,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577092,577105] [2021-11-06 22:06:02,838 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577252,577265] [2021-11-06 22:06:02,838 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577403,577416] [2021-11-06 22:06:02,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577554,577567] [2021-11-06 22:06:02,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577706,577719] [2021-11-06 22:06:02,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577855,577868] [2021-11-06 22:06:02,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578003,578016] [2021-11-06 22:06:02,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578160,578173] [2021-11-06 22:06:02,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578309,578322] [2021-11-06 22:06:02,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578465,578478] [2021-11-06 22:06:02,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578618,578631] [2021-11-06 22:06:02,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578764,578777] [2021-11-06 22:06:02,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578907,578920] [2021-11-06 22:06:02,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579059,579072] [2021-11-06 22:06:02,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579205,579218] [2021-11-06 22:06:02,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579350,579363] [2021-11-06 22:06:02,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579504,579517] [2021-11-06 22:06:02,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579655,579668] [2021-11-06 22:06:02,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579810,579823] [2021-11-06 22:06:02,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579962,579975] [2021-11-06 22:06:02,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580117,580130] [2021-11-06 22:06:02,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580281,580294] [2021-11-06 22:06:02,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580437,580450] [2021-11-06 22:06:02,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580601,580614] [2021-11-06 22:06:02,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580743,580756] [2021-11-06 22:06:02,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580901,580914] [2021-11-06 22:06:02,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581068,581081] [2021-11-06 22:06:02,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581227,581240] [2021-11-06 22:06:02,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581386,581399] [2021-11-06 22:06:02,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581535,581548] [2021-11-06 22:06:02,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581682,581695] [2021-11-06 22:06:02,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581821,581834] [2021-11-06 22:06:02,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581984,581997] [2021-11-06 22:06:02,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582150,582163] [2021-11-06 22:06:02,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582314,582327] [2021-11-06 22:06:02,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582479,582492] [2021-11-06 22:06:02,857 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582644,582657] [2021-11-06 22:06:02,857 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582810,582823] [2021-11-06 22:06:02,860 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582975,582988] [2021-11-06 22:06:02,861 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583142,583155] [2021-11-06 22:06:02,861 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583302,583315] [2021-11-06 22:06:02,861 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583464,583477] [2021-11-06 22:06:02,862 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583623,583636] [2021-11-06 22:06:02,862 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583769,583782] [2021-11-06 22:06:02,862 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583912,583925] [2021-11-06 22:06:02,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584056,584069] [2021-11-06 22:06:02,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584199,584212] [2021-11-06 22:06:02,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584343,584356] [2021-11-06 22:06:02,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584484,584497] [2021-11-06 22:06:02,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584622,584635] [2021-11-06 22:06:02,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584780,584793] [2021-11-06 22:06:02,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584939,584952] [2021-11-06 22:06:02,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585095,585108] [2021-11-06 22:06:02,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585244,585257] [2021-11-06 22:06:02,866 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585396,585409] [2021-11-06 22:06:02,866 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585547,585560] [2021-11-06 22:06:02,866 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585696,585709] [2021-11-06 22:06:02,866 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585848,585861] [2021-11-06 22:06:02,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585996,586009] [2021-11-06 22:06:02,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586149,586162] [2021-11-06 22:06:02,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586300,586313] [2021-11-06 22:06:02,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586450,586463] [2021-11-06 22:06:02,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586597,586610] [2021-11-06 22:06:02,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586748,586761] [2021-11-06 22:06:02,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586899,586912] [2021-11-06 22:06:02,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587047,587060] [2021-11-06 22:06:02,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587213,587226] [2021-11-06 22:06:02,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587382,587395] [2021-11-06 22:06:02,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587549,587562] [2021-11-06 22:06:02,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587717,587730] [2021-11-06 22:06:02,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587867,587880] [2021-11-06 22:06:02,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588014,588027] [2021-11-06 22:06:02,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588175,588188] [2021-11-06 22:06:02,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588345,588358] [2021-11-06 22:06:02,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588507,588520] [2021-11-06 22:06:02,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:06:02,938 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 22:06:03,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575119,575132] [2021-11-06 22:06:03,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575264,575277] [2021-11-06 22:06:03,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575410,575423] [2021-11-06 22:06:03,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575575,575588] [2021-11-06 22:06:03,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575733,575746] [2021-11-06 22:06:03,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[575891,575904] [2021-11-06 22:06:03,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576049,576062] [2021-11-06 22:06:03,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576209,576222] [2021-11-06 22:06:03,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576368,576381] [2021-11-06 22:06:03,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576507,576520] [2021-11-06 22:06:03,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576649,576662] [2021-11-06 22:06:03,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576798,576811] [2021-11-06 22:06:03,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[576937,576950] [2021-11-06 22:06:03,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577092,577105] [2021-11-06 22:06:03,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577252,577265] [2021-11-06 22:06:03,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577403,577416] [2021-11-06 22:06:03,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577554,577567] [2021-11-06 22:06:03,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577706,577719] [2021-11-06 22:06:03,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[577855,577868] [2021-11-06 22:06:03,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578003,578016] [2021-11-06 22:06:03,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578160,578173] [2021-11-06 22:06:03,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578309,578322] [2021-11-06 22:06:03,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578465,578478] [2021-11-06 22:06:03,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578618,578631] [2021-11-06 22:06:03,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578764,578777] [2021-11-06 22:06:03,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[578907,578920] [2021-11-06 22:06:03,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579059,579072] [2021-11-06 22:06:03,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579205,579218] [2021-11-06 22:06:03,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579350,579363] [2021-11-06 22:06:03,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579504,579517] [2021-11-06 22:06:03,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579655,579668] [2021-11-06 22:06:03,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579810,579823] [2021-11-06 22:06:03,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[579962,579975] [2021-11-06 22:06:03,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580117,580130] [2021-11-06 22:06:03,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580281,580294] [2021-11-06 22:06:03,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580437,580450] [2021-11-06 22:06:03,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580601,580614] [2021-11-06 22:06:03,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580743,580756] [2021-11-06 22:06:03,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[580901,580914] [2021-11-06 22:06:03,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581068,581081] [2021-11-06 22:06:03,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581227,581240] [2021-11-06 22:06:03,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581386,581399] [2021-11-06 22:06:03,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581535,581548] [2021-11-06 22:06:03,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581682,581695] [2021-11-06 22:06:03,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581821,581834] [2021-11-06 22:06:03,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[581984,581997] [2021-11-06 22:06:03,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582150,582163] [2021-11-06 22:06:03,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582314,582327] [2021-11-06 22:06:03,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582479,582492] [2021-11-06 22:06:03,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582644,582657] [2021-11-06 22:06:03,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582810,582823] [2021-11-06 22:06:03,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[582975,582988] [2021-11-06 22:06:03,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583142,583155] [2021-11-06 22:06:03,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583302,583315] [2021-11-06 22:06:03,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583464,583477] [2021-11-06 22:06:03,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583623,583636] [2021-11-06 22:06:03,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583769,583782] [2021-11-06 22:06:03,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[583912,583925] [2021-11-06 22:06:03,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584056,584069] [2021-11-06 22:06:03,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584199,584212] [2021-11-06 22:06:03,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584343,584356] [2021-11-06 22:06:03,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584484,584497] [2021-11-06 22:06:03,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584622,584635] [2021-11-06 22:06:03,271 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584780,584793] [2021-11-06 22:06:03,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[584939,584952] [2021-11-06 22:06:03,276 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585095,585108] [2021-11-06 22:06:03,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585244,585257] [2021-11-06 22:06:03,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585396,585409] [2021-11-06 22:06:03,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585547,585560] [2021-11-06 22:06:03,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585696,585709] [2021-11-06 22:06:03,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585848,585861] [2021-11-06 22:06:03,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[585996,586009] [2021-11-06 22:06:03,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586149,586162] [2021-11-06 22:06:03,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586300,586313] [2021-11-06 22:06:03,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586450,586463] [2021-11-06 22:06:03,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586597,586610] [2021-11-06 22:06:03,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586748,586761] [2021-11-06 22:06:03,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[586899,586912] [2021-11-06 22:06:03,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587047,587060] [2021-11-06 22:06:03,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587213,587226] [2021-11-06 22:06:03,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587382,587395] [2021-11-06 22:06:03,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587549,587562] [2021-11-06 22:06:03,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587717,587730] [2021-11-06 22:06:03,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[587867,587880] [2021-11-06 22:06:03,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588014,588027] [2021-11-06 22:06:03,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588175,588188] [2021-11-06 22:06:03,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588345,588358] [2021-11-06 22:06:03,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i[588507,588520] [2021-11-06 22:06:03,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:06:03,468 INFO L208 MainTranslator]: Completed translation [2021-11-06 22:06:03,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03 WrapperNode [2021-11-06 22:06:03,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 22:06:03,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 22:06:03,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 22:06:03,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 22:06:03,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:03,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:04,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 22:06:04,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 22:06:04,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 22:06:04,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 22:06:04,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:04,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:04,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:04,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:05,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:05,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:05,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:05,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 22:06:05,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 22:06:05,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 22:06:05,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 22:06:05,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (1/1) ... [2021-11-06 22:06:05,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:06:05,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:06:05,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 22:06:06,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 22:06:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2021-11-06 22:06:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2021-11-06 22:06:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2021-11-06 22:06:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2021-11-06 22:06:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 22:06:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-06 22:06:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-06 22:06:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 22:06:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 22:06:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2021-11-06 22:06:06,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2021-11-06 22:06:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 22:06:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 22:06:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 22:06:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 22:06:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 22:06:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2021-11-06 22:06:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2021-11-06 22:06:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2021-11-06 22:06:06,082 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2021-11-06 22:06:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2021-11-06 22:06:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2021-11-06 22:06:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 22:06:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 22:06:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2021-11-06 22:06:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2021-11-06 22:06:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 22:06:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 22:06:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2021-11-06 22:06:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2021-11-06 22:06:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-06 22:06:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-06 22:06:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2021-11-06 22:06:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2021-11-06 22:06:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2021-11-06 22:06:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2021-11-06 22:06:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2021-11-06 22:06:06,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2021-11-06 22:06:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 22:06:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2021-11-06 22:06:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2021-11-06 22:06:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 22:06:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 22:06:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 22:06:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2021-11-06 22:06:06,085 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2021-11-06 22:08:06,286 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; [2021-11-06 22:08:06,287 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-06 22:08:06,288 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_34_returnLabel: main_#res := 0; [2021-11-06 22:08:06,288 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L8356: #t~ret2648 := main_#res; [2021-11-06 22:08:06,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 22:08:06,324 INFO L299 CfgBuilder]: Removed 9706 assume(true) statements. [2021-11-06 22:08:06,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:06 BoogieIcfgContainer [2021-11-06 22:08:06,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 22:08:06,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 22:08:06,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 22:08:06,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 22:08:06,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:05:58" (1/3) ... [2021-11-06 22:08:06,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ccb1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:06, skipping insertion in model container [2021-11-06 22:08:06,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:03" (2/3) ... [2021-11-06 22:08:06,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ccb1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:06, skipping insertion in model container [2021-11-06 22:08:06,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:06" (3/3) ... [2021-11-06 22:08:06,335 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-06 22:08:06,339 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 22:08:06,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 326 error locations. [2021-11-06 22:08:06,385 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 22:08:06,389 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 [2021-11-06 22:08:06,389 INFO L340 AbstractCegarLoop]: Starting to check reachability of 326 error locations. [2021-11-06 22:08:06,488 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) [2021-11-06 22:08:06,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-06 22:08:06,491 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:06,492 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] [2021-11-06 22:08:06,492 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)] === [2021-11-06 22:08:06,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:06,499 INFO L85 PathProgramCache]: Analyzing trace with hash 298342383, now seen corresponding path program 1 times [2021-11-06 22:08:06,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:06,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379430058] [2021-11-06 22:08:06,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:06,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:07,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:07,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379430058] [2021-11-06 22:08:07,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379430058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:07,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:07,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:07,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126418758] [2021-11-06 22:08:07,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:07,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:07,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:07,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:07,364 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) [2021-11-06 22:08:07,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:07,712 INFO L93 Difference]: Finished difference Result 18676 states and 24677 transitions. [2021-11-06 22:08:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:07,713 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 [2021-11-06 22:08:07,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:07,750 INFO L225 Difference]: With dead ends: 18676 [2021-11-06 22:08:07,751 INFO L226 Difference]: Without dead ends: 8866 [2021-11-06 22:08:07,781 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 [2021-11-06 22:08:07,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8866 states. [2021-11-06 22:08:07,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8866 to 8866. [2021-11-06 22:08:07,993 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) [2021-11-06 22:08:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8866 states to 8866 states and 11035 transitions. [2021-11-06 22:08:08,024 INFO L78 Accepts]: Start accepts. Automaton has 8866 states and 11035 transitions. Word has length 21 [2021-11-06 22:08:08,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:08,024 INFO L470 AbstractCegarLoop]: Abstraction has 8866 states and 11035 transitions. [2021-11-06 22:08:08,025 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) [2021-11-06 22:08:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8866 states and 11035 transitions. [2021-11-06 22:08:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-06 22:08:08,027 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:08,027 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] [2021-11-06 22:08:08,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 22:08:08,027 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)] === [2021-11-06 22:08:08,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:08,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1054942445, now seen corresponding path program 1 times [2021-11-06 22:08:08,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:08,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122488506] [2021-11-06 22:08:08,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:08,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:08,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:08,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:08,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122488506] [2021-11-06 22:08:08,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122488506] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:08,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:08,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:08,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539754735] [2021-11-06 22:08:08,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:08,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:08,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:08,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:08,419 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) [2021-11-06 22:08:08,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:08,565 INFO L93 Difference]: Finished difference Result 8866 states and 11035 transitions. [2021-11-06 22:08:08,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:08,565 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 [2021-11-06 22:08:08,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:08,592 INFO L225 Difference]: With dead ends: 8866 [2021-11-06 22:08:08,592 INFO L226 Difference]: Without dead ends: 8862 [2021-11-06 22:08:08,595 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 [2021-11-06 22:08:08,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8862 states. [2021-11-06 22:08:08,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8862 to 8862. [2021-11-06 22:08:08,763 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) [2021-11-06 22:08:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 11031 transitions. [2021-11-06 22:08:08,782 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 11031 transitions. Word has length 23 [2021-11-06 22:08:08,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:08,782 INFO L470 AbstractCegarLoop]: Abstraction has 8862 states and 11031 transitions. [2021-11-06 22:08:08,782 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) [2021-11-06 22:08:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 11031 transitions. [2021-11-06 22:08:08,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-06 22:08:08,784 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:08,784 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] [2021-11-06 22:08:08,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 22:08:08,784 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)] === [2021-11-06 22:08:08,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:08,785 INFO L85 PathProgramCache]: Analyzing trace with hash -186571113, now seen corresponding path program 1 times [2021-11-06 22:08:08,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:08,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558965642] [2021-11-06 22:08:08,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:08,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:09,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:09,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558965642] [2021-11-06 22:08:09,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558965642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:09,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:09,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:09,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706248644] [2021-11-06 22:08:09,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:09,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:09,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:09,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:09,175 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) [2021-11-06 22:08:09,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:09,323 INFO L93 Difference]: Finished difference Result 8862 states and 11031 transitions. [2021-11-06 22:08:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:09,323 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 [2021-11-06 22:08:09,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:09,356 INFO L225 Difference]: With dead ends: 8862 [2021-11-06 22:08:09,357 INFO L226 Difference]: Without dead ends: 8858 [2021-11-06 22:08:09,362 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 [2021-11-06 22:08:09,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8858 states. [2021-11-06 22:08:09,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8858 to 8858. [2021-11-06 22:08:09,549 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) [2021-11-06 22:08:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8858 states to 8858 states and 11027 transitions. [2021-11-06 22:08:09,567 INFO L78 Accepts]: Start accepts. Automaton has 8858 states and 11027 transitions. Word has length 25 [2021-11-06 22:08:09,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:09,568 INFO L470 AbstractCegarLoop]: Abstraction has 8858 states and 11027 transitions. [2021-11-06 22:08:09,568 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) [2021-11-06 22:08:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 8858 states and 11027 transitions. [2021-11-06 22:08:09,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-06 22:08:09,572 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:09,572 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] [2021-11-06 22:08:09,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 22:08:09,573 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)] === [2021-11-06 22:08:09,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:09,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1094623867, now seen corresponding path program 1 times [2021-11-06 22:08:09,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:09,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014213537] [2021-11-06 22:08:09,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:09,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:09,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:09,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014213537] [2021-11-06 22:08:09,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014213537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:09,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:09,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:09,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927799537] [2021-11-06 22:08:09,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:09,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:09,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:09,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:09,921 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) [2021-11-06 22:08:10,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:10,188 INFO L93 Difference]: Finished difference Result 8858 states and 11027 transitions. [2021-11-06 22:08:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:10,188 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 [2021-11-06 22:08:10,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:10,207 INFO L225 Difference]: With dead ends: 8858 [2021-11-06 22:08:10,207 INFO L226 Difference]: Without dead ends: 8854 [2021-11-06 22:08:10,210 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 [2021-11-06 22:08:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8854 states. [2021-11-06 22:08:10,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8854 to 8854. [2021-11-06 22:08:10,382 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) [2021-11-06 22:08:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8854 states to 8854 states and 11023 transitions. [2021-11-06 22:08:10,400 INFO L78 Accepts]: Start accepts. Automaton has 8854 states and 11023 transitions. Word has length 27 [2021-11-06 22:08:10,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:10,400 INFO L470 AbstractCegarLoop]: Abstraction has 8854 states and 11023 transitions. [2021-11-06 22:08:10,401 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) [2021-11-06 22:08:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 8854 states and 11023 transitions. [2021-11-06 22:08:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-06 22:08:10,402 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:10,402 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] [2021-11-06 22:08:10,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 22:08:10,402 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)] === [2021-11-06 22:08:10,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:10,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1744894041, now seen corresponding path program 1 times [2021-11-06 22:08:10,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:10,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141195403] [2021-11-06 22:08:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:10,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:10,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:10,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141195403] [2021-11-06 22:08:10,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141195403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:10,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:10,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:10,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285675746] [2021-11-06 22:08:10,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:08:10,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:10,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:08:10,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:08:10,716 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) [2021-11-06 22:08:10,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:10,895 INFO L93 Difference]: Finished difference Result 17703 states and 22040 transitions. [2021-11-06 22:08:10,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:08:10,896 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 [2021-11-06 22:08:10,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:10,924 INFO L225 Difference]: With dead ends: 17703 [2021-11-06 22:08:10,925 INFO L226 Difference]: Without dead ends: 8855 [2021-11-06 22:08:10,943 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 [2021-11-06 22:08:10,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8855 states. [2021-11-06 22:08:11,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8855 to 8855. [2021-11-06 22:08:11,127 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) [2021-11-06 22:08:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8855 states to 8855 states and 11024 transitions. [2021-11-06 22:08:11,155 INFO L78 Accepts]: Start accepts. Automaton has 8855 states and 11024 transitions. Word has length 27 [2021-11-06 22:08:11,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:11,155 INFO L470 AbstractCegarLoop]: Abstraction has 8855 states and 11024 transitions. [2021-11-06 22:08:11,155 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) [2021-11-06 22:08:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 8855 states and 11024 transitions. [2021-11-06 22:08:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-06 22:08:11,156 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:11,156 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] [2021-11-06 22:08:11,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 22:08:11,156 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)] === [2021-11-06 22:08:11,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:11,157 INFO L85 PathProgramCache]: Analyzing trace with hash 744634921, now seen corresponding path program 1 times [2021-11-06 22:08:11,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:11,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759331619] [2021-11-06 22:08:11,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:11,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:11,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:11,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759331619] [2021-11-06 22:08:11,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759331619] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:11,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:11,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:08:11,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96132029] [2021-11-06 22:08:11,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:11,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:11,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:11,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:11,451 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) [2021-11-06 22:08:11,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:11,716 INFO L93 Difference]: Finished difference Result 17664 states and 21850 transitions. [2021-11-06 22:08:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:11,716 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 [2021-11-06 22:08:11,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:11,739 INFO L225 Difference]: With dead ends: 17664 [2021-11-06 22:08:11,739 INFO L226 Difference]: Without dead ends: 10709 [2021-11-06 22:08:11,754 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 [2021-11-06 22:08:11,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10709 states. [2021-11-06 22:08:11,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10709 to 8857. [2021-11-06 22:08:11,938 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) [2021-11-06 22:08:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8857 states to 8857 states and 11026 transitions. [2021-11-06 22:08:11,958 INFO L78 Accepts]: Start accepts. Automaton has 8857 states and 11026 transitions. Word has length 27 [2021-11-06 22:08:11,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:11,958 INFO L470 AbstractCegarLoop]: Abstraction has 8857 states and 11026 transitions. [2021-11-06 22:08:11,958 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) [2021-11-06 22:08:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 8857 states and 11026 transitions. [2021-11-06 22:08:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-06 22:08:11,959 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:11,959 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] [2021-11-06 22:08:11,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 22:08:11,959 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)] === [2021-11-06 22:08:11,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:11,960 INFO L85 PathProgramCache]: Analyzing trace with hash -332613953, now seen corresponding path program 1 times [2021-11-06 22:08:11,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:11,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473271510] [2021-11-06 22:08:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:11,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:12,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:12,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473271510] [2021-11-06 22:08:12,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473271510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:12,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:12,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:12,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160844676] [2021-11-06 22:08:12,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:12,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:12,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:12,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:12,307 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) [2021-11-06 22:08:12,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:12,480 INFO L93 Difference]: Finished difference Result 8857 states and 11026 transitions. [2021-11-06 22:08:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:12,480 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 [2021-11-06 22:08:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:12,500 INFO L225 Difference]: With dead ends: 8857 [2021-11-06 22:08:12,500 INFO L226 Difference]: Without dead ends: 8853 [2021-11-06 22:08:12,503 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 [2021-11-06 22:08:12,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8853 states. [2021-11-06 22:08:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8853 to 8853. [2021-11-06 22:08:12,795 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) [2021-11-06 22:08:12,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8853 states to 8853 states and 11022 transitions. [2021-11-06 22:08:12,810 INFO L78 Accepts]: Start accepts. Automaton has 8853 states and 11022 transitions. Word has length 29 [2021-11-06 22:08:12,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:12,811 INFO L470 AbstractCegarLoop]: Abstraction has 8853 states and 11022 transitions. [2021-11-06 22:08:12,811 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) [2021-11-06 22:08:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 8853 states and 11022 transitions. [2021-11-06 22:08:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-06 22:08:12,812 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:12,812 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] [2021-11-06 22:08:12,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 22:08:12,812 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)] === [2021-11-06 22:08:12,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:12,813 INFO L85 PathProgramCache]: Analyzing trace with hash -745077482, now seen corresponding path program 1 times [2021-11-06 22:08:12,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:12,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712075575] [2021-11-06 22:08:12,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:12,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:13,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:13,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712075575] [2021-11-06 22:08:13,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712075575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:13,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:13,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:13,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675233909] [2021-11-06 22:08:13,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:13,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:13,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:13,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:13,167 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) [2021-11-06 22:08:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:13,795 INFO L93 Difference]: Finished difference Result 11501 states and 14297 transitions. [2021-11-06 22:08:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:08:13,796 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 [2021-11-06 22:08:13,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:13,823 INFO L225 Difference]: With dead ends: 11501 [2021-11-06 22:08:13,823 INFO L226 Difference]: Without dead ends: 11467 [2021-11-06 22:08:13,827 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 [2021-11-06 22:08:13,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11467 states. [2021-11-06 22:08:14,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11467 to 10056. [2021-11-06 22:08:14,056 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) [2021-11-06 22:08:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 12639 transitions. [2021-11-06 22:08:14,073 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 12639 transitions. Word has length 29 [2021-11-06 22:08:14,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:14,074 INFO L470 AbstractCegarLoop]: Abstraction has 10056 states and 12639 transitions. [2021-11-06 22:08:14,074 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) [2021-11-06 22:08:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 12639 transitions. [2021-11-06 22:08:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-06 22:08:14,074 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:14,075 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] [2021-11-06 22:08:14,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-06 22:08:14,075 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)] === [2021-11-06 22:08:14,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:14,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1813591197, now seen corresponding path program 1 times [2021-11-06 22:08:14,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:14,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678383593] [2021-11-06 22:08:14,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:14,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:14,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:14,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678383593] [2021-11-06 22:08:14,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678383593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:14,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:14,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:14,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434612438] [2021-11-06 22:08:14,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:14,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:14,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:14,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:14,361 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) [2021-11-06 22:08:14,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:14,571 INFO L93 Difference]: Finished difference Result 10056 states and 12639 transitions. [2021-11-06 22:08:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:14,572 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 [2021-11-06 22:08:14,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:14,591 INFO L225 Difference]: With dead ends: 10056 [2021-11-06 22:08:14,592 INFO L226 Difference]: Without dead ends: 10052 [2021-11-06 22:08:14,596 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 [2021-11-06 22:08:14,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10052 states. [2021-11-06 22:08:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10052 to 10052. [2021-11-06 22:08:14,813 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) [2021-11-06 22:08:14,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10052 states to 10052 states and 12635 transitions. [2021-11-06 22:08:14,830 INFO L78 Accepts]: Start accepts. Automaton has 10052 states and 12635 transitions. Word has length 31 [2021-11-06 22:08:14,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:14,830 INFO L470 AbstractCegarLoop]: Abstraction has 10052 states and 12635 transitions. [2021-11-06 22:08:14,831 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) [2021-11-06 22:08:14,831 INFO L276 IsEmpty]: Start isEmpty. Operand 10052 states and 12635 transitions. [2021-11-06 22:08:14,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-06 22:08:14,832 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:14,832 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] [2021-11-06 22:08:14,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-06 22:08:14,833 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)] === [2021-11-06 22:08:14,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:14,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1392450769, now seen corresponding path program 1 times [2021-11-06 22:08:14,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:14,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369665398] [2021-11-06 22:08:14,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:14,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:15,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:15,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:15,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369665398] [2021-11-06 22:08:15,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369665398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:15,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:15,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:08:15,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187540373] [2021-11-06 22:08:15,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:15,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:15,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:15,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:15,157 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) [2021-11-06 22:08:23,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:23,850 INFO L93 Difference]: Finished difference Result 20098 states and 25264 transitions. [2021-11-06 22:08:23,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:23,850 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 [2021-11-06 22:08:23,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:23,880 INFO L225 Difference]: With dead ends: 20098 [2021-11-06 22:08:23,880 INFO L226 Difference]: Without dead ends: 10062 [2021-11-06 22:08:23,906 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 [2021-11-06 22:08:23,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10062 states. [2021-11-06 22:08:24,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10062 to 10054. [2021-11-06 22:08:24,140 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) [2021-11-06 22:08:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10054 states to 10054 states and 12637 transitions. [2021-11-06 22:08:24,157 INFO L78 Accepts]: Start accepts. Automaton has 10054 states and 12637 transitions. Word has length 32 [2021-11-06 22:08:24,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:24,157 INFO L470 AbstractCegarLoop]: Abstraction has 10054 states and 12637 transitions. [2021-11-06 22:08:24,157 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) [2021-11-06 22:08:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand 10054 states and 12637 transitions. [2021-11-06 22:08:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-06 22:08:24,158 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:24,158 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] [2021-11-06 22:08:24,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-06 22:08:24,159 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)] === [2021-11-06 22:08:24,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:24,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1133655445, now seen corresponding path program 1 times [2021-11-06 22:08:24,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:24,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194341814] [2021-11-06 22:08:24,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:24,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:24,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:24,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194341814] [2021-11-06 22:08:24,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194341814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:24,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:24,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 22:08:24,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21526337] [2021-11-06 22:08:24,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 22:08:24,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:24,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 22:08:24,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 22:08:24,547 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) [2021-11-06 22:08:32,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:32,868 INFO L93 Difference]: Finished difference Result 20110 states and 25281 transitions. [2021-11-06 22:08:32,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 22:08:32,869 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 [2021-11-06 22:08:32,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:32,893 INFO L225 Difference]: With dead ends: 20110 [2021-11-06 22:08:32,894 INFO L226 Difference]: Without dead ends: 10072 [2021-11-06 22:08:32,916 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 [2021-11-06 22:08:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10072 states. [2021-11-06 22:08:33,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10072 to 10068. [2021-11-06 22:08:33,143 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) [2021-11-06 22:08:33,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 12657 transitions. [2021-11-06 22:08:33,159 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 12657 transitions. Word has length 32 [2021-11-06 22:08:33,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:33,160 INFO L470 AbstractCegarLoop]: Abstraction has 10068 states and 12657 transitions. [2021-11-06 22:08:33,160 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) [2021-11-06 22:08:33,160 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 12657 transitions. [2021-11-06 22:08:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-06 22:08:33,162 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:33,162 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] [2021-11-06 22:08:33,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-06 22:08:33,162 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)] === [2021-11-06 22:08:33,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:33,163 INFO L85 PathProgramCache]: Analyzing trace with hash 896419943, now seen corresponding path program 1 times [2021-11-06 22:08:33,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:33,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631236516] [2021-11-06 22:08:33,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:33,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:33,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:33,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631236516] [2021-11-06 22:08:33,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631236516] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:33,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:33,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:33,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160908445] [2021-11-06 22:08:33,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:33,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:33,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:33,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:33,560 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) [2021-11-06 22:08:33,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:33,780 INFO L93 Difference]: Finished difference Result 10068 states and 12657 transitions. [2021-11-06 22:08:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:33,780 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 [2021-11-06 22:08:33,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:33,796 INFO L225 Difference]: With dead ends: 10068 [2021-11-06 22:08:33,796 INFO L226 Difference]: Without dead ends: 10064 [2021-11-06 22:08:33,801 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 [2021-11-06 22:08:33,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10064 states. [2021-11-06 22:08:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10064 to 10064. [2021-11-06 22:08:34,042 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) [2021-11-06 22:08:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10064 states to 10064 states and 12653 transitions. [2021-11-06 22:08:34,058 INFO L78 Accepts]: Start accepts. Automaton has 10064 states and 12653 transitions. Word has length 33 [2021-11-06 22:08:34,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:34,059 INFO L470 AbstractCegarLoop]: Abstraction has 10064 states and 12653 transitions. [2021-11-06 22:08:34,059 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) [2021-11-06 22:08:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 10064 states and 12653 transitions. [2021-11-06 22:08:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-06 22:08:34,060 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:34,060 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] [2021-11-06 22:08:34,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-06 22:08:34,060 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)] === [2021-11-06 22:08:34,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:34,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1835020453, now seen corresponding path program 1 times [2021-11-06 22:08:34,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:34,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911077226] [2021-11-06 22:08:34,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:34,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:34,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:34,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911077226] [2021-11-06 22:08:34,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911077226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:34,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:34,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:08:34,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951739901] [2021-11-06 22:08:34,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:34,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:34,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:34,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:34,385 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) [2021-11-06 22:08:34,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:34,595 INFO L93 Difference]: Finished difference Result 10110 states and 12711 transitions. [2021-11-06 22:08:34,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:08:34,595 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 [2021-11-06 22:08:34,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:34,613 INFO L225 Difference]: With dead ends: 10110 [2021-11-06 22:08:34,613 INFO L226 Difference]: Without dead ends: 10108 [2021-11-06 22:08:34,618 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 [2021-11-06 22:08:34,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10108 states. [2021-11-06 22:08:34,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10108 to 10066. [2021-11-06 22:08:34,853 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) [2021-11-06 22:08:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10066 states to 10066 states and 12655 transitions. [2021-11-06 22:08:34,869 INFO L78 Accepts]: Start accepts. Automaton has 10066 states and 12655 transitions. Word has length 34 [2021-11-06 22:08:34,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:34,869 INFO L470 AbstractCegarLoop]: Abstraction has 10066 states and 12655 transitions. [2021-11-06 22:08:34,870 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) [2021-11-06 22:08:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 10066 states and 12655 transitions. [2021-11-06 22:08:34,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-06 22:08:34,870 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:34,870 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] [2021-11-06 22:08:34,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-06 22:08:34,871 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)] === [2021-11-06 22:08:34,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:34,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1834960871, now seen corresponding path program 1 times [2021-11-06 22:08:34,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:34,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497311164] [2021-11-06 22:08:34,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:34,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:35,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:35,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497311164] [2021-11-06 22:08:35,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497311164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:35,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:35,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:35,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647389985] [2021-11-06 22:08:35,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:35,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:35,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:35,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:35,728 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) [2021-11-06 22:08:38,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:38,389 INFO L93 Difference]: Finished difference Result 20081 states and 25240 transitions. [2021-11-06 22:08:38,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:38,389 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 [2021-11-06 22:08:38,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:38,407 INFO L225 Difference]: With dead ends: 20081 [2021-11-06 22:08:38,407 INFO L226 Difference]: Without dead ends: 10030 [2021-11-06 22:08:38,424 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 [2021-11-06 22:08:38,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10030 states. [2021-11-06 22:08:38,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10030 to 10030. [2021-11-06 22:08:38,671 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) [2021-11-06 22:08:38,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10030 states to 10030 states and 12602 transitions. [2021-11-06 22:08:38,686 INFO L78 Accepts]: Start accepts. Automaton has 10030 states and 12602 transitions. Word has length 34 [2021-11-06 22:08:38,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:38,686 INFO L470 AbstractCegarLoop]: Abstraction has 10030 states and 12602 transitions. [2021-11-06 22:08:38,687 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) [2021-11-06 22:08:38,687 INFO L276 IsEmpty]: Start isEmpty. Operand 10030 states and 12602 transitions. [2021-11-06 22:08:38,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-06 22:08:38,687 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:38,687 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] [2021-11-06 22:08:38,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-06 22:08:38,688 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)] === [2021-11-06 22:08:38,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:38,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1828022837, now seen corresponding path program 1 times [2021-11-06 22:08:38,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:38,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351342914] [2021-11-06 22:08:38,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:38,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:39,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:39,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351342914] [2021-11-06 22:08:39,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351342914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:39,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:39,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:39,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345043784] [2021-11-06 22:08:39,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:39,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:39,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:39,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:39,035 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) [2021-11-06 22:08:39,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:39,290 INFO L93 Difference]: Finished difference Result 10030 states and 12602 transitions. [2021-11-06 22:08:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:39,290 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 [2021-11-06 22:08:39,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:39,306 INFO L225 Difference]: With dead ends: 10030 [2021-11-06 22:08:39,306 INFO L226 Difference]: Without dead ends: 10026 [2021-11-06 22:08:39,312 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 [2021-11-06 22:08:39,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2021-11-06 22:08:39,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 10026. [2021-11-06 22:08:39,584 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) [2021-11-06 22:08:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10026 states to 10026 states and 12598 transitions. [2021-11-06 22:08:39,727 INFO L78 Accepts]: Start accepts. Automaton has 10026 states and 12598 transitions. Word has length 35 [2021-11-06 22:08:39,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:39,728 INFO L470 AbstractCegarLoop]: Abstraction has 10026 states and 12598 transitions. [2021-11-06 22:08:39,728 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) [2021-11-06 22:08:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 10026 states and 12598 transitions. [2021-11-06 22:08:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-06 22:08:39,728 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:39,728 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] [2021-11-06 22:08:39,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-06 22:08:39,729 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)] === [2021-11-06 22:08:39,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:39,729 INFO L85 PathProgramCache]: Analyzing trace with hash -87484498, now seen corresponding path program 1 times [2021-11-06 22:08:39,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:39,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681624143] [2021-11-06 22:08:39,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:39,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:40,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:40,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:40,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681624143] [2021-11-06 22:08:40,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681624143] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:40,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:40,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:40,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491248097] [2021-11-06 22:08:40,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:40,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:40,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:40,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:40,047 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) [2021-11-06 22:08:40,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:40,312 INFO L93 Difference]: Finished difference Result 10026 states and 12598 transitions. [2021-11-06 22:08:40,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:40,313 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 [2021-11-06 22:08:40,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:40,328 INFO L225 Difference]: With dead ends: 10026 [2021-11-06 22:08:40,329 INFO L226 Difference]: Without dead ends: 10022 [2021-11-06 22:08:40,332 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 [2021-11-06 22:08:40,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10022 states. [2021-11-06 22:08:40,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10022 to 10022. [2021-11-06 22:08:40,613 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) [2021-11-06 22:08:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10022 states to 10022 states and 12594 transitions. [2021-11-06 22:08:40,628 INFO L78 Accepts]: Start accepts. Automaton has 10022 states and 12594 transitions. Word has length 37 [2021-11-06 22:08:40,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:40,629 INFO L470 AbstractCegarLoop]: Abstraction has 10022 states and 12594 transitions. [2021-11-06 22:08:40,629 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) [2021-11-06 22:08:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 10022 states and 12594 transitions. [2021-11-06 22:08:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-06 22:08:40,629 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:40,630 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] [2021-11-06 22:08:40,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-06 22:08:40,630 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)] === [2021-11-06 22:08:40,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash -703190995, now seen corresponding path program 1 times [2021-11-06 22:08:40,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:40,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375525495] [2021-11-06 22:08:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:40,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:40,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:40,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375525495] [2021-11-06 22:08:40,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375525495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:40,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:40,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:08:40,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807436974] [2021-11-06 22:08:40,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:40,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:40,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:40,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:40,970 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) [2021-11-06 22:08:43,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:43,776 INFO L93 Difference]: Finished difference Result 11694 states and 14564 transitions. [2021-11-06 22:08:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:08:43,777 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 [2021-11-06 22:08:43,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:43,793 INFO L225 Difference]: With dead ends: 11694 [2021-11-06 22:08:43,793 INFO L226 Difference]: Without dead ends: 11660 [2021-11-06 22:08:43,797 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 [2021-11-06 22:08:43,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11660 states. [2021-11-06 22:08:44,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11660 to 9994. [2021-11-06 22:08:44,185 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) [2021-11-06 22:08:44,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9994 states to 9994 states and 12566 transitions. [2021-11-06 22:08:44,198 INFO L78 Accepts]: Start accepts. Automaton has 9994 states and 12566 transitions. Word has length 37 [2021-11-06 22:08:44,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:44,198 INFO L470 AbstractCegarLoop]: Abstraction has 9994 states and 12566 transitions. [2021-11-06 22:08:44,198 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) [2021-11-06 22:08:44,199 INFO L276 IsEmpty]: Start isEmpty. Operand 9994 states and 12566 transitions. [2021-11-06 22:08:44,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-06 22:08:44,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:44,199 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] [2021-11-06 22:08:44,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-06 22:08:44,199 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)] === [2021-11-06 22:08:44,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:44,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1827582450, now seen corresponding path program 1 times [2021-11-06 22:08:44,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:44,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758692064] [2021-11-06 22:08:44,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:44,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:44,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:44,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758692064] [2021-11-06 22:08:44,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758692064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:44,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:44,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:44,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26875277] [2021-11-06 22:08:44,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:44,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:44,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:44,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:44,501 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) [2021-11-06 22:08:44,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:44,800 INFO L93 Difference]: Finished difference Result 9994 states and 12566 transitions. [2021-11-06 22:08:44,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:44,801 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 [2021-11-06 22:08:44,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:44,818 INFO L225 Difference]: With dead ends: 9994 [2021-11-06 22:08:44,819 INFO L226 Difference]: Without dead ends: 9990 [2021-11-06 22:08:44,823 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 [2021-11-06 22:08:44,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9990 states. [2021-11-06 22:08:45,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9990 to 9990. [2021-11-06 22:08:45,138 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) [2021-11-06 22:08:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9990 states to 9990 states and 12562 transitions. [2021-11-06 22:08:45,153 INFO L78 Accepts]: Start accepts. Automaton has 9990 states and 12562 transitions. Word has length 39 [2021-11-06 22:08:45,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:45,153 INFO L470 AbstractCegarLoop]: Abstraction has 9990 states and 12562 transitions. [2021-11-06 22:08:45,154 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) [2021-11-06 22:08:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 9990 states and 12562 transitions. [2021-11-06 22:08:45,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-06 22:08:45,154 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:45,154 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] [2021-11-06 22:08:45,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-06 22:08:45,155 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)] === [2021-11-06 22:08:45,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:45,155 INFO L85 PathProgramCache]: Analyzing trace with hash -334050154, now seen corresponding path program 1 times [2021-11-06 22:08:45,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:45,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717384110] [2021-11-06 22:08:45,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:45,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:45,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:45,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717384110] [2021-11-06 22:08:45,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717384110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:45,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:45,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:45,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330892017] [2021-11-06 22:08:45,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:45,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:45,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:45,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:45,469 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) [2021-11-06 22:08:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:45,853 INFO L93 Difference]: Finished difference Result 9990 states and 12562 transitions. [2021-11-06 22:08:45,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:45,854 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 [2021-11-06 22:08:45,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:45,866 INFO L225 Difference]: With dead ends: 9990 [2021-11-06 22:08:45,867 INFO L226 Difference]: Without dead ends: 9986 [2021-11-06 22:08:45,869 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 [2021-11-06 22:08:45,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9986 states. [2021-11-06 22:08:46,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9986 to 9986. [2021-11-06 22:08:46,180 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) [2021-11-06 22:08:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9986 states to 9986 states and 12558 transitions. [2021-11-06 22:08:46,195 INFO L78 Accepts]: Start accepts. Automaton has 9986 states and 12558 transitions. Word has length 41 [2021-11-06 22:08:46,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:46,195 INFO L470 AbstractCegarLoop]: Abstraction has 9986 states and 12558 transitions. [2021-11-06 22:08:46,195 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) [2021-11-06 22:08:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 9986 states and 12558 transitions. [2021-11-06 22:08:46,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-06 22:08:46,195 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:46,195 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] [2021-11-06 22:08:46,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-06 22:08:46,196 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)] === [2021-11-06 22:08:46,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:46,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1101189018, now seen corresponding path program 1 times [2021-11-06 22:08:46,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:46,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609057283] [2021-11-06 22:08:46,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:46,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:46,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:46,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609057283] [2021-11-06 22:08:46,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609057283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:46,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:46,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:46,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594940253] [2021-11-06 22:08:46,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:46,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:46,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:46,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:46,505 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) [2021-11-06 22:08:46,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:46,825 INFO L93 Difference]: Finished difference Result 9986 states and 12558 transitions. [2021-11-06 22:08:46,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:46,825 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 [2021-11-06 22:08:46,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:46,838 INFO L225 Difference]: With dead ends: 9986 [2021-11-06 22:08:46,838 INFO L226 Difference]: Without dead ends: 9982 [2021-11-06 22:08:46,841 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 [2021-11-06 22:08:46,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9982 states. [2021-11-06 22:08:47,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9982 to 9982. [2021-11-06 22:08:47,249 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) [2021-11-06 22:08:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 12554 transitions. [2021-11-06 22:08:47,261 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 12554 transitions. Word has length 43 [2021-11-06 22:08:47,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:47,261 INFO L470 AbstractCegarLoop]: Abstraction has 9982 states and 12554 transitions. [2021-11-06 22:08:47,261 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) [2021-11-06 22:08:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 12554 transitions. [2021-11-06 22:08:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-06 22:08:47,262 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:47,262 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] [2021-11-06 22:08:47,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-06 22:08:47,262 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)] === [2021-11-06 22:08:47,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:47,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1681531646, now seen corresponding path program 1 times [2021-11-06 22:08:47,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:47,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804626687] [2021-11-06 22:08:47,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:47,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:47,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:47,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804626687] [2021-11-06 22:08:47,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804626687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:47,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:47,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:47,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085811953] [2021-11-06 22:08:47,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:47,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:47,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:47,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:47,555 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) [2021-11-06 22:08:47,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:47,880 INFO L93 Difference]: Finished difference Result 9982 states and 12554 transitions. [2021-11-06 22:08:47,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:47,881 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 [2021-11-06 22:08:47,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:47,894 INFO L225 Difference]: With dead ends: 9982 [2021-11-06 22:08:47,894 INFO L226 Difference]: Without dead ends: 9978 [2021-11-06 22:08:47,898 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 [2021-11-06 22:08:47,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9978 states. [2021-11-06 22:08:48,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9978 to 9978. [2021-11-06 22:08:48,218 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) [2021-11-06 22:08:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9978 states to 9978 states and 12550 transitions. [2021-11-06 22:08:48,231 INFO L78 Accepts]: Start accepts. Automaton has 9978 states and 12550 transitions. Word has length 45 [2021-11-06 22:08:48,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:48,231 INFO L470 AbstractCegarLoop]: Abstraction has 9978 states and 12550 transitions. [2021-11-06 22:08:48,231 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) [2021-11-06 22:08:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 9978 states and 12550 transitions. [2021-11-06 22:08:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-06 22:08:48,232 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:48,232 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] [2021-11-06 22:08:48,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-06 22:08:48,232 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)] === [2021-11-06 22:08:48,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:48,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1045049026, now seen corresponding path program 1 times [2021-11-06 22:08:48,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:48,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660895046] [2021-11-06 22:08:48,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:48,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:48,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:48,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660895046] [2021-11-06 22:08:48,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660895046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:48,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:48,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:48,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005094243] [2021-11-06 22:08:48,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:48,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:48,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:48,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:48,531 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) [2021-11-06 22:08:48,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:48,956 INFO L93 Difference]: Finished difference Result 9978 states and 12550 transitions. [2021-11-06 22:08:48,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:48,956 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 [2021-11-06 22:08:48,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:48,967 INFO L225 Difference]: With dead ends: 9978 [2021-11-06 22:08:48,967 INFO L226 Difference]: Without dead ends: 9974 [2021-11-06 22:08:48,969 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 [2021-11-06 22:08:48,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9974 states. [2021-11-06 22:08:49,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9974 to 9974. [2021-11-06 22:08:49,293 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) [2021-11-06 22:08:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9974 states to 9974 states and 12546 transitions. [2021-11-06 22:08:49,306 INFO L78 Accepts]: Start accepts. Automaton has 9974 states and 12546 transitions. Word has length 47 [2021-11-06 22:08:49,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:49,306 INFO L470 AbstractCegarLoop]: Abstraction has 9974 states and 12546 transitions. [2021-11-06 22:08:49,307 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) [2021-11-06 22:08:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 9974 states and 12546 transitions. [2021-11-06 22:08:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-06 22:08:49,307 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:49,307 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] [2021-11-06 22:08:49,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-06 22:08:49,307 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)] === [2021-11-06 22:08:49,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:49,308 INFO L85 PathProgramCache]: Analyzing trace with hash -729392410, now seen corresponding path program 1 times [2021-11-06 22:08:49,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:49,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954188722] [2021-11-06 22:08:49,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:49,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:49,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:49,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:49,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954188722] [2021-11-06 22:08:49,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954188722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:49,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:49,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:49,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806392141] [2021-11-06 22:08:49,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:49,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:49,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:49,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:49,628 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) [2021-11-06 22:08:50,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:50,000 INFO L93 Difference]: Finished difference Result 9974 states and 12546 transitions. [2021-11-06 22:08:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:50,001 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 [2021-11-06 22:08:50,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:50,018 INFO L225 Difference]: With dead ends: 9974 [2021-11-06 22:08:50,018 INFO L226 Difference]: Without dead ends: 9970 [2021-11-06 22:08:50,022 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 [2021-11-06 22:08:50,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9970 states. [2021-11-06 22:08:50,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9970 to 9970. [2021-11-06 22:08:50,477 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) [2021-11-06 22:08:50,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 12542 transitions. [2021-11-06 22:08:50,489 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 12542 transitions. Word has length 49 [2021-11-06 22:08:50,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:50,489 INFO L470 AbstractCegarLoop]: Abstraction has 9970 states and 12542 transitions. [2021-11-06 22:08:50,489 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) [2021-11-06 22:08:50,489 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 12542 transitions. [2021-11-06 22:08:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-06 22:08:50,490 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:50,490 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] [2021-11-06 22:08:50,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-06 22:08:50,490 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)] === [2021-11-06 22:08:50,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:50,491 INFO L85 PathProgramCache]: Analyzing trace with hash -865595542, now seen corresponding path program 1 times [2021-11-06 22:08:50,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:50,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230957275] [2021-11-06 22:08:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:50,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:51,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:51,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230957275] [2021-11-06 22:08:51,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230957275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:51,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:51,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:51,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471622923] [2021-11-06 22:08:51,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:51,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:51,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:51,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:51,089 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) [2021-11-06 22:08:51,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:51,474 INFO L93 Difference]: Finished difference Result 9970 states and 12542 transitions. [2021-11-06 22:08:51,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:51,474 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 [2021-11-06 22:08:51,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:51,489 INFO L225 Difference]: With dead ends: 9970 [2021-11-06 22:08:51,489 INFO L226 Difference]: Without dead ends: 9966 [2021-11-06 22:08:51,493 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 [2021-11-06 22:08:51,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9966 states. [2021-11-06 22:08:51,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9966 to 9966. [2021-11-06 22:08:51,878 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) [2021-11-06 22:08:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 12538 transitions. [2021-11-06 22:08:51,893 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 12538 transitions. Word has length 51 [2021-11-06 22:08:51,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:51,894 INFO L470 AbstractCegarLoop]: Abstraction has 9966 states and 12538 transitions. [2021-11-06 22:08:51,894 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) [2021-11-06 22:08:51,894 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 12538 transitions. [2021-11-06 22:08:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-06 22:08:51,895 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:51,895 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] [2021-11-06 22:08:51,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-06 22:08:51,895 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)] === [2021-11-06 22:08:51,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:51,896 INFO L85 PathProgramCache]: Analyzing trace with hash -213682513, now seen corresponding path program 1 times [2021-11-06 22:08:51,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:51,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975998931] [2021-11-06 22:08:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:51,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:52,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:52,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:52,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975998931] [2021-11-06 22:08:52,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975998931] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:52,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:52,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:52,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087240533] [2021-11-06 22:08:52,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:52,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:52,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:52,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:52,297 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) [2021-11-06 22:08:53,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:53,007 INFO L93 Difference]: Finished difference Result 11258 states and 14043 transitions. [2021-11-06 22:08:53,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:08:53,007 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 [2021-11-06 22:08:53,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:53,026 INFO L225 Difference]: With dead ends: 11258 [2021-11-06 22:08:53,027 INFO L226 Difference]: Without dead ends: 11250 [2021-11-06 22:08:53,032 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 [2021-11-06 22:08:53,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11250 states. [2021-11-06 22:08:53,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11250 to 9958. [2021-11-06 22:08:53,437 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) [2021-11-06 22:08:53,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 12530 transitions. [2021-11-06 22:08:53,450 INFO L78 Accepts]: Start accepts. Automaton has 9958 states and 12530 transitions. Word has length 51 [2021-11-06 22:08:53,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:53,450 INFO L470 AbstractCegarLoop]: Abstraction has 9958 states and 12530 transitions. [2021-11-06 22:08:53,450 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) [2021-11-06 22:08:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 9958 states and 12530 transitions. [2021-11-06 22:08:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-06 22:08:53,451 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:53,451 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] [2021-11-06 22:08:53,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-06 22:08:53,451 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)] === [2021-11-06 22:08:53,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:53,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1387181134, now seen corresponding path program 1 times [2021-11-06 22:08:53,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:53,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914933408] [2021-11-06 22:08:53,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:53,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:53,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:53,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914933408] [2021-11-06 22:08:53,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914933408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:53,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:53,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:53,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491021303] [2021-11-06 22:08:53,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:53,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:53,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:53,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:53,732 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) [2021-11-06 22:08:54,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:54,208 INFO L93 Difference]: Finished difference Result 9958 states and 12530 transitions. [2021-11-06 22:08:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:54,209 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 [2021-11-06 22:08:54,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:54,225 INFO L225 Difference]: With dead ends: 9958 [2021-11-06 22:08:54,225 INFO L226 Difference]: Without dead ends: 9954 [2021-11-06 22:08:54,229 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 [2021-11-06 22:08:54,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9954 states. [2021-11-06 22:08:54,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9954 to 9954. [2021-11-06 22:08:54,632 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) [2021-11-06 22:08:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9954 states to 9954 states and 12526 transitions. [2021-11-06 22:08:54,647 INFO L78 Accepts]: Start accepts. Automaton has 9954 states and 12526 transitions. Word has length 53 [2021-11-06 22:08:54,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:54,647 INFO L470 AbstractCegarLoop]: Abstraction has 9954 states and 12526 transitions. [2021-11-06 22:08:54,648 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) [2021-11-06 22:08:54,648 INFO L276 IsEmpty]: Start isEmpty. Operand 9954 states and 12526 transitions. [2021-11-06 22:08:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-06 22:08:54,648 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:54,648 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] [2021-11-06 22:08:54,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-06 22:08:54,648 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)] === [2021-11-06 22:08:54,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:54,649 INFO L85 PathProgramCache]: Analyzing trace with hash 560018832, now seen corresponding path program 1 times [2021-11-06 22:08:54,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:54,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304672894] [2021-11-06 22:08:54,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:54,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:55,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:55,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304672894] [2021-11-06 22:08:55,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304672894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:55,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:55,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 22:08:55,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164117352] [2021-11-06 22:08:55,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:08:55,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:55,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:08:55,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:08:55,534 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) [2021-11-06 22:08:56,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:56,460 INFO L93 Difference]: Finished difference Result 21575 states and 26912 transitions. [2021-11-06 22:08:56,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 22:08:56,461 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 [2021-11-06 22:08:56,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:56,485 INFO L225 Difference]: With dead ends: 21575 [2021-11-06 22:08:56,485 INFO L226 Difference]: Without dead ends: 13481 [2021-11-06 22:08:56,501 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 [2021-11-06 22:08:56,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13481 states. [2021-11-06 22:08:56,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13481 to 9957. [2021-11-06 22:08:56,942 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) [2021-11-06 22:08:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9957 states to 9957 states and 12529 transitions. [2021-11-06 22:08:56,955 INFO L78 Accepts]: Start accepts. Automaton has 9957 states and 12529 transitions. Word has length 54 [2021-11-06 22:08:56,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:56,956 INFO L470 AbstractCegarLoop]: Abstraction has 9957 states and 12529 transitions. [2021-11-06 22:08:56,956 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) [2021-11-06 22:08:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 9957 states and 12529 transitions. [2021-11-06 22:08:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-06 22:08:56,956 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:56,956 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] [2021-11-06 22:08:56,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-06 22:08:56,957 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)] === [2021-11-06 22:08:56,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:56,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1642049938, now seen corresponding path program 1 times [2021-11-06 22:08:56,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:56,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295442180] [2021-11-06 22:08:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:56,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:57,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:57,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:57,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295442180] [2021-11-06 22:08:57,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295442180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:57,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:57,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:57,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929021808] [2021-11-06 22:08:57,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:57,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:57,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:57,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:57,238 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) [2021-11-06 22:08:57,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:57,731 INFO L93 Difference]: Finished difference Result 9957 states and 12529 transitions. [2021-11-06 22:08:57,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:57,731 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 [2021-11-06 22:08:57,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:57,743 INFO L225 Difference]: With dead ends: 9957 [2021-11-06 22:08:57,743 INFO L226 Difference]: Without dead ends: 9953 [2021-11-06 22:08:57,745 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 [2021-11-06 22:08:57,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9953 states. [2021-11-06 22:08:58,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9953 to 9953. [2021-11-06 22:08:58,173 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) [2021-11-06 22:08:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9953 states to 9953 states and 12525 transitions. [2021-11-06 22:08:58,186 INFO L78 Accepts]: Start accepts. Automaton has 9953 states and 12525 transitions. Word has length 55 [2021-11-06 22:08:58,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:58,186 INFO L470 AbstractCegarLoop]: Abstraction has 9953 states and 12525 transitions. [2021-11-06 22:08:58,186 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) [2021-11-06 22:08:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 9953 states and 12525 transitions. [2021-11-06 22:08:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-06 22:08:58,187 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:58,187 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] [2021-11-06 22:08:58,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-06 22:08:58,187 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)] === [2021-11-06 22:08:58,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:58,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1757835062, now seen corresponding path program 1 times [2021-11-06 22:08:58,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:58,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189535396] [2021-11-06 22:08:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:58,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:58,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:58,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189535396] [2021-11-06 22:08:58,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189535396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:58,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:58,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:58,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341607903] [2021-11-06 22:08:58,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:58,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:58,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:58,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:58,453 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) [2021-11-06 22:08:58,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:08:58,974 INFO L93 Difference]: Finished difference Result 9953 states and 12525 transitions. [2021-11-06 22:08:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:08:58,974 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 [2021-11-06 22:08:58,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:08:58,987 INFO L225 Difference]: With dead ends: 9953 [2021-11-06 22:08:58,987 INFO L226 Difference]: Without dead ends: 9949 [2021-11-06 22:08:58,989 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 [2021-11-06 22:08:59,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9949 states. [2021-11-06 22:08:59,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9949 to 9949. [2021-11-06 22:08:59,442 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) [2021-11-06 22:08:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9949 states to 9949 states and 12521 transitions. [2021-11-06 22:08:59,455 INFO L78 Accepts]: Start accepts. Automaton has 9949 states and 12521 transitions. Word has length 57 [2021-11-06 22:08:59,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:08:59,455 INFO L470 AbstractCegarLoop]: Abstraction has 9949 states and 12521 transitions. [2021-11-06 22:08:59,455 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) [2021-11-06 22:08:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand 9949 states and 12521 transitions. [2021-11-06 22:08:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-06 22:08:59,456 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:08:59,456 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] [2021-11-06 22:08:59,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-06 22:08:59,456 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)] === [2021-11-06 22:08:59,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:08:59,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1358189882, now seen corresponding path program 1 times [2021-11-06 22:08:59,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:08:59,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620029392] [2021-11-06 22:08:59,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:08:59,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:08:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:08:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:08:59,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:08:59,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620029392] [2021-11-06 22:08:59,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620029392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:08:59,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:08:59,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:08:59,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244059818] [2021-11-06 22:08:59,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:08:59,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:08:59,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:08:59,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:08:59,727 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) [2021-11-06 22:09:00,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:00,188 INFO L93 Difference]: Finished difference Result 9949 states and 12521 transitions. [2021-11-06 22:09:00,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:09:00,188 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 [2021-11-06 22:09:00,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:00,201 INFO L225 Difference]: With dead ends: 9949 [2021-11-06 22:09:00,201 INFO L226 Difference]: Without dead ends: 9945 [2021-11-06 22:09:00,204 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 [2021-11-06 22:09:00,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9945 states. [2021-11-06 22:09:00,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9945 to 9945. [2021-11-06 22:09:00,729 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) [2021-11-06 22:09:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9945 states to 9945 states and 12517 transitions. [2021-11-06 22:09:00,743 INFO L78 Accepts]: Start accepts. Automaton has 9945 states and 12517 transitions. Word has length 59 [2021-11-06 22:09:00,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:00,743 INFO L470 AbstractCegarLoop]: Abstraction has 9945 states and 12517 transitions. [2021-11-06 22:09:00,743 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) [2021-11-06 22:09:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 9945 states and 12517 transitions. [2021-11-06 22:09:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-06 22:09:00,744 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:00,744 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, 1, 1, 1, 1] [2021-11-06 22:09:00,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-06 22:09:00,744 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)] === [2021-11-06 22:09:00,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:00,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1008298393, now seen corresponding path program 1 times [2021-11-06 22:09:00,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:00,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126803376] [2021-11-06 22:09:00,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:00,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:01,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:01,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126803376] [2021-11-06 22:09:01,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126803376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:01,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:01,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:09:01,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16814998] [2021-11-06 22:09:01,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:01,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:01,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:01,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:01,020 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) [2021-11-06 22:09:03,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:03,928 INFO L93 Difference]: Finished difference Result 11493 states and 14363 transitions. [2021-11-06 22:09:03,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:03,929 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 [2021-11-06 22:09:03,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:03,951 INFO L225 Difference]: With dead ends: 11493 [2021-11-06 22:09:03,951 INFO L226 Difference]: Without dead ends: 11485 [2021-11-06 22:09:03,955 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 [2021-11-06 22:09:03,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11485 states. [2021-11-06 22:09:04,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11485 to 9937. [2021-11-06 22:09:04,654 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) [2021-11-06 22:09:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 12509 transitions. [2021-11-06 22:09:04,671 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 12509 transitions. Word has length 59 [2021-11-06 22:09:04,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:04,671 INFO L470 AbstractCegarLoop]: Abstraction has 9937 states and 12509 transitions. [2021-11-06 22:09:04,671 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) [2021-11-06 22:09:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 12509 transitions. [2021-11-06 22:09:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-06 22:09:04,672 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:04,672 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] [2021-11-06 22:09:04,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-06 22:09:04,672 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)] === [2021-11-06 22:09:04,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:04,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1764434659, now seen corresponding path program 1 times [2021-11-06 22:09:04,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:04,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455961993] [2021-11-06 22:09:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:04,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:05,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:05,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455961993] [2021-11-06 22:09:05,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455961993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:05,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:05,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:09:05,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127546014] [2021-11-06 22:09:05,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:09:05,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:05,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:09:05,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:09:05,130 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) [2021-11-06 22:09:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:06,378 INFO L93 Difference]: Finished difference Result 22375 states and 28090 transitions. [2021-11-06 22:09:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 22:09:06,378 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 [2021-11-06 22:09:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:06,400 INFO L225 Difference]: With dead ends: 22375 [2021-11-06 22:09:06,400 INFO L226 Difference]: Without dead ends: 12482 [2021-11-06 22:09:06,417 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 [2021-11-06 22:09:06,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12482 states. [2021-11-06 22:09:07,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12482 to 9937. [2021-11-06 22:09:07,033 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) [2021-11-06 22:09:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 12460 transitions. [2021-11-06 22:09:07,050 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 12460 transitions. Word has length 60 [2021-11-06 22:09:07,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:07,050 INFO L470 AbstractCegarLoop]: Abstraction has 9937 states and 12460 transitions. [2021-11-06 22:09:07,050 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) [2021-11-06 22:09:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 12460 transitions. [2021-11-06 22:09:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-06 22:09:07,052 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:07,052 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] [2021-11-06 22:09:07,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-06 22:09:07,052 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)] === [2021-11-06 22:09:07,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:07,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1764375077, now seen corresponding path program 1 times [2021-11-06 22:09:07,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:07,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125908358] [2021-11-06 22:09:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:07,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:07,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:07,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125908358] [2021-11-06 22:09:07,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125908358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:07,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:07,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:09:07,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472499392] [2021-11-06 22:09:07,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:07,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:07,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:07,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:07,339 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) [2021-11-06 22:09:08,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:08,375 INFO L93 Difference]: Finished difference Result 12521 states and 15620 transitions. [2021-11-06 22:09:08,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:08,375 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 [2021-11-06 22:09:08,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:08,395 INFO L225 Difference]: With dead ends: 12521 [2021-11-06 22:09:08,396 INFO L226 Difference]: Without dead ends: 12423 [2021-11-06 22:09:08,400 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 [2021-11-06 22:09:08,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12423 states. [2021-11-06 22:09:08,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12423 to 9839. [2021-11-06 22:09:08,994 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) [2021-11-06 22:09:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9839 states to 9839 states and 12362 transitions. [2021-11-06 22:09:09,007 INFO L78 Accepts]: Start accepts. Automaton has 9839 states and 12362 transitions. Word has length 60 [2021-11-06 22:09:09,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:09,008 INFO L470 AbstractCegarLoop]: Abstraction has 9839 states and 12362 transitions. [2021-11-06 22:09:09,008 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) [2021-11-06 22:09:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 9839 states and 12362 transitions. [2021-11-06 22:09:09,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-06 22:09:09,009 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:09,009 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] [2021-11-06 22:09:09,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-06 22:09:09,009 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)] === [2021-11-06 22:09:09,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:09,009 INFO L85 PathProgramCache]: Analyzing trace with hash -448738402, now seen corresponding path program 1 times [2021-11-06 22:09:09,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:09,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745454480] [2021-11-06 22:09:09,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:09,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:09,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:09,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745454480] [2021-11-06 22:09:09,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745454480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:09,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:09,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:09,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217688611] [2021-11-06 22:09:09,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:09,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:09,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:09,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:09,284 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) [2021-11-06 22:09:09,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:09,815 INFO L93 Difference]: Finished difference Result 9839 states and 12362 transitions. [2021-11-06 22:09:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:09:09,815 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 [2021-11-06 22:09:09,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:09,828 INFO L225 Difference]: With dead ends: 9839 [2021-11-06 22:09:09,828 INFO L226 Difference]: Without dead ends: 9434 [2021-11-06 22:09:09,831 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 [2021-11-06 22:09:09,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9434 states. [2021-11-06 22:09:10,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9434 to 9434. [2021-11-06 22:09:10,389 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) [2021-11-06 22:09:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9434 states to 9434 states and 11926 transitions. [2021-11-06 22:09:10,401 INFO L78 Accepts]: Start accepts. Automaton has 9434 states and 11926 transitions. Word has length 61 [2021-11-06 22:09:10,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:10,401 INFO L470 AbstractCegarLoop]: Abstraction has 9434 states and 11926 transitions. [2021-11-06 22:09:10,401 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) [2021-11-06 22:09:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 9434 states and 11926 transitions. [2021-11-06 22:09:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-06 22:09:10,402 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:10,402 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] [2021-11-06 22:09:10,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-06 22:09:10,402 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)] === [2021-11-06 22:09:10,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:10,403 INFO L85 PathProgramCache]: Analyzing trace with hash -661837717, now seen corresponding path program 1 times [2021-11-06 22:09:10,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:10,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962924998] [2021-11-06 22:09:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:10,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:10,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:10,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962924998] [2021-11-06 22:09:10,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962924998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:10,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:10,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 22:09:10,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553660724] [2021-11-06 22:09:10,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:09:10,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:10,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:09:10,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:09:10,676 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) [2021-11-06 22:09:11,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:11,374 INFO L93 Difference]: Finished difference Result 18601 states and 23637 transitions. [2021-11-06 22:09:11,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:09:11,375 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 [2021-11-06 22:09:11,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:11,391 INFO L225 Difference]: With dead ends: 18601 [2021-11-06 22:09:11,391 INFO L226 Difference]: Without dead ends: 8950 [2021-11-06 22:09:11,408 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 [2021-11-06 22:09:11,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8950 states. [2021-11-06 22:09:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8950 to 8950. [2021-11-06 22:09:11,894 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) [2021-11-06 22:09:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8950 states to 8950 states and 11318 transitions. [2021-11-06 22:09:11,906 INFO L78 Accepts]: Start accepts. Automaton has 8950 states and 11318 transitions. Word has length 63 [2021-11-06 22:09:11,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:11,906 INFO L470 AbstractCegarLoop]: Abstraction has 8950 states and 11318 transitions. [2021-11-06 22:09:11,906 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) [2021-11-06 22:09:11,906 INFO L276 IsEmpty]: Start isEmpty. Operand 8950 states and 11318 transitions. [2021-11-06 22:09:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-06 22:09:11,907 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:11,907 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] [2021-11-06 22:09:11,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-06 22:09:11,908 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)] === [2021-11-06 22:09:11,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:11,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1700307007, now seen corresponding path program 1 times [2021-11-06 22:09:11,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:11,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922068509] [2021-11-06 22:09:11,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:11,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:12,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:12,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922068509] [2021-11-06 22:09:12,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922068509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:12,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:12,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:12,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494911054] [2021-11-06 22:09:12,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:12,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:12,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:12,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:12,519 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) [2021-11-06 22:09:13,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:13,619 INFO L93 Difference]: Finished difference Result 12548 states and 15771 transitions. [2021-11-06 22:09:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:13,620 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 [2021-11-06 22:09:13,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:13,640 INFO L225 Difference]: With dead ends: 12548 [2021-11-06 22:09:13,640 INFO L226 Difference]: Without dead ends: 12530 [2021-11-06 22:09:13,645 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 [2021-11-06 22:09:13,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12530 states. [2021-11-06 22:09:14,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12530 to 8932. [2021-11-06 22:09:14,190 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) [2021-11-06 22:09:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8932 states to 8932 states and 11300 transitions. [2021-11-06 22:09:14,202 INFO L78 Accepts]: Start accepts. Automaton has 8932 states and 11300 transitions. Word has length 70 [2021-11-06 22:09:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:14,203 INFO L470 AbstractCegarLoop]: Abstraction has 8932 states and 11300 transitions. [2021-11-06 22:09:14,203 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) [2021-11-06 22:09:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 8932 states and 11300 transitions. [2021-11-06 22:09:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 22:09:14,204 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:14,204 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] [2021-11-06 22:09:14,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-06 22:09:14,204 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)] === [2021-11-06 22:09:14,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:14,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1629323973, now seen corresponding path program 1 times [2021-11-06 22:09:14,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:14,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707998264] [2021-11-06 22:09:14,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:14,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:14,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:14,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:14,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707998264] [2021-11-06 22:09:14,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707998264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:14,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:14,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:14,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003377932] [2021-11-06 22:09:14,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:09:14,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:14,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:09:14,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:09:14,508 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) [2021-11-06 22:09:15,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:15,296 INFO L93 Difference]: Finished difference Result 17817 states and 22548 transitions. [2021-11-06 22:09:15,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:09:15,297 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 [2021-11-06 22:09:15,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:15,315 INFO L225 Difference]: With dead ends: 17817 [2021-11-06 22:09:15,316 INFO L226 Difference]: Without dead ends: 8929 [2021-11-06 22:09:15,331 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 [2021-11-06 22:09:15,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states. [2021-11-06 22:09:15,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 8929. [2021-11-06 22:09:15,895 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) [2021-11-06 22:09:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 11296 transitions. [2021-11-06 22:09:15,908 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 11296 transitions. Word has length 71 [2021-11-06 22:09:15,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:15,908 INFO L470 AbstractCegarLoop]: Abstraction has 8929 states and 11296 transitions. [2021-11-06 22:09:15,908 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) [2021-11-06 22:09:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 11296 transitions. [2021-11-06 22:09:15,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-06 22:09:15,909 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:15,909 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] [2021-11-06 22:09:15,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-06 22:09:15,909 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)] === [2021-11-06 22:09:15,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:15,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2104323085, now seen corresponding path program 1 times [2021-11-06 22:09:15,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:15,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749265690] [2021-11-06 22:09:15,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:15,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:16,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:16,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749265690] [2021-11-06 22:09:16,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749265690] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:16,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:16,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 22:09:16,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791221471] [2021-11-06 22:09:16,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:09:16,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:16,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:09:16,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:09:16,228 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) [2021-11-06 22:09:17,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:17,297 INFO L93 Difference]: Finished difference Result 17811 states and 22540 transitions. [2021-11-06 22:09:17,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:09:17,298 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 [2021-11-06 22:09:17,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:17,311 INFO L225 Difference]: With dead ends: 17811 [2021-11-06 22:09:17,312 INFO L226 Difference]: Without dead ends: 8926 [2021-11-06 22:09:17,324 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 [2021-11-06 22:09:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8926 states. [2021-11-06 22:09:17,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8926 to 8926. [2021-11-06 22:09:17,859 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) [2021-11-06 22:09:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8926 states to 8926 states and 11292 transitions. [2021-11-06 22:09:17,872 INFO L78 Accepts]: Start accepts. Automaton has 8926 states and 11292 transitions. Word has length 74 [2021-11-06 22:09:17,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:17,873 INFO L470 AbstractCegarLoop]: Abstraction has 8926 states and 11292 transitions. [2021-11-06 22:09:17,873 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) [2021-11-06 22:09:17,873 INFO L276 IsEmpty]: Start isEmpty. Operand 8926 states and 11292 transitions. [2021-11-06 22:09:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-06 22:09:17,874 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:17,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:09:17,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-06 22:09:17,874 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)] === [2021-11-06 22:09:17,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:17,875 INFO L85 PathProgramCache]: Analyzing trace with hash -460107942, now seen corresponding path program 1 times [2021-11-06 22:09:17,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:17,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439630551] [2021-11-06 22:09:17,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:17,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:18,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:18,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:18,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439630551] [2021-11-06 22:09:18,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439630551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:18,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:18,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:18,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051991660] [2021-11-06 22:09:18,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:09:18,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:18,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:09:18,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:09:18,160 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) [2021-11-06 22:09:18,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:18,822 INFO L93 Difference]: Finished difference Result 12691 states and 16074 transitions. [2021-11-06 22:09:18,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:09:18,823 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 [2021-11-06 22:09:18,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:18,839 INFO L225 Difference]: With dead ends: 12691 [2021-11-06 22:09:18,840 INFO L226 Difference]: Without dead ends: 9908 [2021-11-06 22:09:18,847 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 [2021-11-06 22:09:18,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9908 states. [2021-11-06 22:09:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9908 to 8927. [2021-11-06 22:09:19,483 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) [2021-11-06 22:09:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8927 states to 8927 states and 11293 transitions. [2021-11-06 22:09:19,496 INFO L78 Accepts]: Start accepts. Automaton has 8927 states and 11293 transitions. Word has length 75 [2021-11-06 22:09:19,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:19,496 INFO L470 AbstractCegarLoop]: Abstraction has 8927 states and 11293 transitions. [2021-11-06 22:09:19,497 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) [2021-11-06 22:09:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 8927 states and 11293 transitions. [2021-11-06 22:09:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-06 22:09:19,498 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:19,498 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] [2021-11-06 22:09:19,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-06 22:09:19,498 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)] === [2021-11-06 22:09:19,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:19,499 INFO L85 PathProgramCache]: Analyzing trace with hash 159085098, now seen corresponding path program 1 times [2021-11-06 22:09:19,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:19,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818561495] [2021-11-06 22:09:19,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:19,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:19,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:19,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818561495] [2021-11-06 22:09:19,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818561495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:19,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:19,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:19,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886838043] [2021-11-06 22:09:19,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:09:19,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:19,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:09:19,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:09:19,774 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) [2021-11-06 22:09:20,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:20,564 INFO L93 Difference]: Finished difference Result 16656 states and 21103 transitions. [2021-11-06 22:09:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:09:20,564 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 [2021-11-06 22:09:20,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:20,581 INFO L225 Difference]: With dead ends: 16656 [2021-11-06 22:09:20,581 INFO L226 Difference]: Without dead ends: 10423 [2021-11-06 22:09:20,593 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 [2021-11-06 22:09:20,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10423 states. [2021-11-06 22:09:21,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10423 to 8931. [2021-11-06 22:09:21,259 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) [2021-11-06 22:09:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8931 states to 8931 states and 11297 transitions. [2021-11-06 22:09:21,271 INFO L78 Accepts]: Start accepts. Automaton has 8931 states and 11297 transitions. Word has length 77 [2021-11-06 22:09:21,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:21,271 INFO L470 AbstractCegarLoop]: Abstraction has 8931 states and 11297 transitions. [2021-11-06 22:09:21,271 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) [2021-11-06 22:09:21,271 INFO L276 IsEmpty]: Start isEmpty. Operand 8931 states and 11297 transitions. [2021-11-06 22:09:21,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-06 22:09:21,272 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:21,272 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] [2021-11-06 22:09:21,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-06 22:09:21,273 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)] === [2021-11-06 22:09:21,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:21,273 INFO L85 PathProgramCache]: Analyzing trace with hash 10170282, now seen corresponding path program 1 times [2021-11-06 22:09:21,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:21,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544261010] [2021-11-06 22:09:21,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:21,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:21,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:21,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544261010] [2021-11-06 22:09:21,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544261010] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 22:09:21,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048427455] [2021-11-06 22:09:21,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:21,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:09:21,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:09:21,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:09:21,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 22:09:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:24,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 6304 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:09:24,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:09:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:25,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048427455] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 22:09:25,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 22:09:25,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-11-06 22:09:25,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609412792] [2021-11-06 22:09:25,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:09:25,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:25,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:09:25,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:09:25,032 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) [2021-11-06 22:09:25,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:25,940 INFO L93 Difference]: Finished difference Result 13684 states and 17305 transitions. [2021-11-06 22:09:25,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:09:25,941 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 [2021-11-06 22:09:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:25,955 INFO L225 Difference]: With dead ends: 13684 [2021-11-06 22:09:25,955 INFO L226 Difference]: Without dead ends: 10898 [2021-11-06 22:09:25,962 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 [2021-11-06 22:09:25,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10898 states. [2021-11-06 22:09:26,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10898 to 8936. [2021-11-06 22:09:26,526 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) [2021-11-06 22:09:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11304 transitions. [2021-11-06 22:09:26,538 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11304 transitions. Word has length 78 [2021-11-06 22:09:26,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:26,538 INFO L470 AbstractCegarLoop]: Abstraction has 8936 states and 11304 transitions. [2021-11-06 22:09:26,538 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) [2021-11-06 22:09:26,538 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11304 transitions. [2021-11-06 22:09:26,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-06 22:09:26,539 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:26,539 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] [2021-11-06 22:09:26,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 22:09:26,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:09:26,740 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)] === [2021-11-06 22:09:26,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:26,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1181298726, now seen corresponding path program 1 times [2021-11-06 22:09:26,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:26,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159981343] [2021-11-06 22:09:26,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:26,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:27,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:27,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159981343] [2021-11-06 22:09:27,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159981343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:27,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:27,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:09:27,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074235489] [2021-11-06 22:09:27,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:27,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:27,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:27,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:27,604 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) [2021-11-06 22:09:30,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:30,992 INFO L93 Difference]: Finished difference Result 13000 states and 16364 transitions. [2021-11-06 22:09:30,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:30,993 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 [2021-11-06 22:09:30,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:31,010 INFO L225 Difference]: With dead ends: 13000 [2021-11-06 22:09:31,010 INFO L226 Difference]: Without dead ends: 12982 [2021-11-06 22:09:31,014 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 [2021-11-06 22:09:31,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12982 states. [2021-11-06 22:09:31,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12982 to 8918. [2021-11-06 22:09:31,607 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) [2021-11-06 22:09:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8918 states to 8918 states and 11286 transitions. [2021-11-06 22:09:31,620 INFO L78 Accepts]: Start accepts. Automaton has 8918 states and 11286 transitions. Word has length 80 [2021-11-06 22:09:31,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:31,620 INFO L470 AbstractCegarLoop]: Abstraction has 8918 states and 11286 transitions. [2021-11-06 22:09:31,620 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) [2021-11-06 22:09:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 8918 states and 11286 transitions. [2021-11-06 22:09:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-06 22:09:31,622 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:31,622 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] [2021-11-06 22:09:31,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-06 22:09:31,622 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)] === [2021-11-06 22:09:31,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:31,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1598349664, now seen corresponding path program 1 times [2021-11-06 22:09:31,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:31,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259962370] [2021-11-06 22:09:31,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:31,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:32,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:32,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:32,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259962370] [2021-11-06 22:09:32,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259962370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:32,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:32,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:32,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864248543] [2021-11-06 22:09:32,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:32,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:32,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:32,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:32,285 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) [2021-11-06 22:09:33,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:33,792 INFO L93 Difference]: Finished difference Result 15287 states and 19308 transitions. [2021-11-06 22:09:33,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:33,793 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 [2021-11-06 22:09:33,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:33,822 INFO L225 Difference]: With dead ends: 15287 [2021-11-06 22:09:33,823 INFO L226 Difference]: Without dead ends: 15285 [2021-11-06 22:09:33,831 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 [2021-11-06 22:09:33,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15285 states. [2021-11-06 22:09:34,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15285 to 11501. [2021-11-06 22:09:34,671 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) [2021-11-06 22:09:34,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11501 states to 11501 states and 14657 transitions. [2021-11-06 22:09:34,689 INFO L78 Accepts]: Start accepts. Automaton has 11501 states and 14657 transitions. Word has length 84 [2021-11-06 22:09:34,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:34,689 INFO L470 AbstractCegarLoop]: Abstraction has 11501 states and 14657 transitions. [2021-11-06 22:09:34,689 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) [2021-11-06 22:09:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 11501 states and 14657 transitions. [2021-11-06 22:09:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-06 22:09:34,690 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:34,691 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] [2021-11-06 22:09:34,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-06 22:09:34,691 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)] === [2021-11-06 22:09:34,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:34,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1749308285, now seen corresponding path program 1 times [2021-11-06 22:09:34,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:34,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203427310] [2021-11-06 22:09:34,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:34,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:35,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:35,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203427310] [2021-11-06 22:09:35,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203427310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:35,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:35,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:35,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973083472] [2021-11-06 22:09:35,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:35,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:35,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:35,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:35,016 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) [2021-11-06 22:09:36,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:36,110 INFO L93 Difference]: Finished difference Result 11568 states and 14727 transitions. [2021-11-06 22:09:36,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:36,111 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 [2021-11-06 22:09:36,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:36,131 INFO L225 Difference]: With dead ends: 11568 [2021-11-06 22:09:36,131 INFO L226 Difference]: Without dead ends: 11566 [2021-11-06 22:09:36,135 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 [2021-11-06 22:09:36,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11566 states. [2021-11-06 22:09:36,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11566 to 11513. [2021-11-06 22:09:36,935 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) [2021-11-06 22:09:36,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11513 states to 11513 states and 14674 transitions. [2021-11-06 22:09:36,953 INFO L78 Accepts]: Start accepts. Automaton has 11513 states and 14674 transitions. Word has length 86 [2021-11-06 22:09:36,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:36,954 INFO L470 AbstractCegarLoop]: Abstraction has 11513 states and 14674 transitions. [2021-11-06 22:09:36,954 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) [2021-11-06 22:09:36,954 INFO L276 IsEmpty]: Start isEmpty. Operand 11513 states and 14674 transitions. [2021-11-06 22:09:36,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-06 22:09:36,955 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:36,955 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] [2021-11-06 22:09:36,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-06 22:09:36,956 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)] === [2021-11-06 22:09:36,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:36,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1791732029, now seen corresponding path program 1 times [2021-11-06 22:09:36,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:36,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610937153] [2021-11-06 22:09:36,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:36,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:37,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:37,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610937153] [2021-11-06 22:09:37,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610937153] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:37,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:37,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:37,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721638440] [2021-11-06 22:09:37,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:09:37,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:37,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:09:37,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:09:37,234 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) [2021-11-06 22:09:38,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:38,519 INFO L93 Difference]: Finished difference Result 24721 states and 31441 transitions. [2021-11-06 22:09:38,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:09:38,520 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 [2021-11-06 22:09:38,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:38,551 INFO L225 Difference]: With dead ends: 24721 [2021-11-06 22:09:38,551 INFO L226 Difference]: Without dead ends: 14920 [2021-11-06 22:09:38,572 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 [2021-11-06 22:09:38,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14920 states. [2021-11-06 22:09:39,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14920 to 11519. [2021-11-06 22:09:39,529 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) [2021-11-06 22:09:39,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 14680 transitions. [2021-11-06 22:09:39,550 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 14680 transitions. Word has length 88 [2021-11-06 22:09:39,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:39,550 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 14680 transitions. [2021-11-06 22:09:39,550 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) [2021-11-06 22:09:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 14680 transitions. [2021-11-06 22:09:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-06 22:09:39,552 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:39,552 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] [2021-11-06 22:09:39,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-06 22:09:39,552 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)] === [2021-11-06 22:09:39,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:39,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1533559769, now seen corresponding path program 1 times [2021-11-06 22:09:39,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:39,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628466522] [2021-11-06 22:09:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:39,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:39,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:39,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628466522] [2021-11-06 22:09:39,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628466522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:39,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:39,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:09:39,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886725272] [2021-11-06 22:09:39,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:39,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:39,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:39,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:39,846 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) [2021-11-06 22:09:43,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:43,078 INFO L93 Difference]: Finished difference Result 11572 states and 14730 transitions. [2021-11-06 22:09:43,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:43,079 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 [2021-11-06 22:09:43,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:43,097 INFO L225 Difference]: With dead ends: 11572 [2021-11-06 22:09:43,097 INFO L226 Difference]: Without dead ends: 11570 [2021-11-06 22:09:43,102 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 [2021-11-06 22:09:43,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11570 states. [2021-11-06 22:09:44,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11570 to 11517. [2021-11-06 22:09:44,019 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) [2021-11-06 22:09:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11517 states to 11517 states and 14677 transitions. [2021-11-06 22:09:44,037 INFO L78 Accepts]: Start accepts. Automaton has 11517 states and 14677 transitions. Word has length 94 [2021-11-06 22:09:44,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:44,038 INFO L470 AbstractCegarLoop]: Abstraction has 11517 states and 14677 transitions. [2021-11-06 22:09:44,038 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) [2021-11-06 22:09:44,038 INFO L276 IsEmpty]: Start isEmpty. Operand 11517 states and 14677 transitions. [2021-11-06 22:09:44,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-06 22:09:44,039 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:44,039 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] [2021-11-06 22:09:44,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-06 22:09:44,039 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)] === [2021-11-06 22:09:44,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:44,040 INFO L85 PathProgramCache]: Analyzing trace with hash -715983249, now seen corresponding path program 1 times [2021-11-06 22:09:44,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:44,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106341407] [2021-11-06 22:09:44,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:44,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:44,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:44,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106341407] [2021-11-06 22:09:44,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106341407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:44,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:44,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 22:09:44,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007721498] [2021-11-06 22:09:44,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:09:44,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:44,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:09:44,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:09:44,683 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) [2021-11-06 22:09:45,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:45,566 INFO L93 Difference]: Finished difference Result 20368 states and 26044 transitions. [2021-11-06 22:09:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:09:45,567 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 [2021-11-06 22:09:45,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:45,586 INFO L225 Difference]: With dead ends: 20368 [2021-11-06 22:09:45,587 INFO L226 Difference]: Without dead ends: 11517 [2021-11-06 22:09:45,602 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 [2021-11-06 22:09:45,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11517 states. [2021-11-06 22:09:46,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11517 to 11517. [2021-11-06 22:09:46,509 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) [2021-11-06 22:09:46,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11517 states to 11517 states and 14676 transitions. [2021-11-06 22:09:46,527 INFO L78 Accepts]: Start accepts. Automaton has 11517 states and 14676 transitions. Word has length 94 [2021-11-06 22:09:46,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:46,527 INFO L470 AbstractCegarLoop]: Abstraction has 11517 states and 14676 transitions. [2021-11-06 22:09:46,527 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) [2021-11-06 22:09:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 11517 states and 14676 transitions. [2021-11-06 22:09:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-06 22:09:46,528 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:46,528 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] [2021-11-06 22:09:46,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-06 22:09:46,528 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)] === [2021-11-06 22:09:46,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:46,529 INFO L85 PathProgramCache]: Analyzing trace with hash -56451727, now seen corresponding path program 1 times [2021-11-06 22:09:46,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:46,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381524762] [2021-11-06 22:09:46,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:46,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:47,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:47,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381524762] [2021-11-06 22:09:47,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381524762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:47,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:47,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:09:47,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009243995] [2021-11-06 22:09:47,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:09:47,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:47,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:09:47,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:09:47,043 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) [2021-11-06 22:09:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:48,184 INFO L93 Difference]: Finished difference Result 20340 states and 26020 transitions. [2021-11-06 22:09:48,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:48,185 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 [2021-11-06 22:09:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:48,202 INFO L225 Difference]: With dead ends: 20340 [2021-11-06 22:09:48,202 INFO L226 Difference]: Without dead ends: 11517 [2021-11-06 22:09:48,215 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 [2021-11-06 22:09:48,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11517 states. [2021-11-06 22:09:49,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11517 to 11517. [2021-11-06 22:09:49,038 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) [2021-11-06 22:09:49,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11517 states to 11517 states and 14673 transitions. [2021-11-06 22:09:49,056 INFO L78 Accepts]: Start accepts. Automaton has 11517 states and 14673 transitions. Word has length 94 [2021-11-06 22:09:49,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:49,056 INFO L470 AbstractCegarLoop]: Abstraction has 11517 states and 14673 transitions. [2021-11-06 22:09:49,056 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) [2021-11-06 22:09:49,056 INFO L276 IsEmpty]: Start isEmpty. Operand 11517 states and 14673 transitions. [2021-11-06 22:09:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-06 22:09:49,058 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:49,058 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] [2021-11-06 22:09:49,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-06 22:09:49,058 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)] === [2021-11-06 22:09:49,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:49,058 INFO L85 PathProgramCache]: Analyzing trace with hash -56392145, now seen corresponding path program 1 times [2021-11-06 22:09:49,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:49,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824852618] [2021-11-06 22:09:49,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:49,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:49,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:49,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824852618] [2021-11-06 22:09:49,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824852618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:49,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:49,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:09:49,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588677443] [2021-11-06 22:09:49,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:49,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:49,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:49,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:49,338 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) [2021-11-06 22:09:50,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:50,247 INFO L93 Difference]: Finished difference Result 11517 states and 14673 transitions. [2021-11-06 22:09:50,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:50,248 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 [2021-11-06 22:09:50,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:50,262 INFO L225 Difference]: With dead ends: 11517 [2021-11-06 22:09:50,262 INFO L226 Difference]: Without dead ends: 11511 [2021-11-06 22:09:50,264 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 [2021-11-06 22:09:50,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11511 states. [2021-11-06 22:09:51,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11511 to 11511. [2021-11-06 22:09:51,084 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) [2021-11-06 22:09:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11511 states to 11511 states and 14667 transitions. [2021-11-06 22:09:51,103 INFO L78 Accepts]: Start accepts. Automaton has 11511 states and 14667 transitions. Word has length 94 [2021-11-06 22:09:51,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:51,103 INFO L470 AbstractCegarLoop]: Abstraction has 11511 states and 14667 transitions. [2021-11-06 22:09:51,103 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) [2021-11-06 22:09:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 11511 states and 14667 transitions. [2021-11-06 22:09:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-06 22:09:51,105 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:51,105 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] [2021-11-06 22:09:51,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-06 22:09:51,105 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)] === [2021-11-06 22:09:51,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:51,105 INFO L85 PathProgramCache]: Analyzing trace with hash 522129340, now seen corresponding path program 1 times [2021-11-06 22:09:51,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:51,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910741379] [2021-11-06 22:09:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:51,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:51,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:51,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910741379] [2021-11-06 22:09:51,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910741379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:51,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:51,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:51,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102218151] [2021-11-06 22:09:51,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:51,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:51,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:51,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:51,424 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) [2021-11-06 22:09:52,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:52,573 INFO L93 Difference]: Finished difference Result 11564 states and 14717 transitions. [2021-11-06 22:09:52,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:52,574 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 [2021-11-06 22:09:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:52,590 INFO L225 Difference]: With dead ends: 11564 [2021-11-06 22:09:52,590 INFO L226 Difference]: Without dead ends: 11562 [2021-11-06 22:09:52,593 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 [2021-11-06 22:09:52,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11562 states. [2021-11-06 22:09:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11562 to 11519. [2021-11-06 22:09:53,425 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) [2021-11-06 22:09:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 14676 transitions. [2021-11-06 22:09:53,442 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 14676 transitions. Word has length 97 [2021-11-06 22:09:53,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:53,442 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 14676 transitions. [2021-11-06 22:09:53,442 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) [2021-11-06 22:09:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 14676 transitions. [2021-11-06 22:09:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-06 22:09:53,445 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:53,445 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] [2021-11-06 22:09:53,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-06 22:09:53,446 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)] === [2021-11-06 22:09:53,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:53,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1394906954, now seen corresponding path program 1 times [2021-11-06 22:09:53,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:53,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179959038] [2021-11-06 22:09:53,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:53,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:53,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:53,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179959038] [2021-11-06 22:09:53,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179959038] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:53,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:53,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:53,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598104126] [2021-11-06 22:09:53,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:53,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:53,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:53,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:53,764 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) [2021-11-06 22:09:54,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:54,839 INFO L93 Difference]: Finished difference Result 11562 states and 14714 transitions. [2021-11-06 22:09:54,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:54,840 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 [2021-11-06 22:09:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:54,857 INFO L225 Difference]: With dead ends: 11562 [2021-11-06 22:09:54,857 INFO L226 Difference]: Without dead ends: 11558 [2021-11-06 22:09:54,860 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 [2021-11-06 22:09:54,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11558 states. [2021-11-06 22:09:55,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11558 to 11523. [2021-11-06 22:09:55,692 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) [2021-11-06 22:09:55,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11523 states to 11523 states and 14680 transitions. [2021-11-06 22:09:55,710 INFO L78 Accepts]: Start accepts. Automaton has 11523 states and 14680 transitions. Word has length 100 [2021-11-06 22:09:55,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:55,710 INFO L470 AbstractCegarLoop]: Abstraction has 11523 states and 14680 transitions. [2021-11-06 22:09:55,710 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) [2021-11-06 22:09:55,710 INFO L276 IsEmpty]: Start isEmpty. Operand 11523 states and 14680 transitions. [2021-11-06 22:09:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-06 22:09:55,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:55,712 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] [2021-11-06 22:09:55,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-06 22:09:55,712 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)] === [2021-11-06 22:09:55,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:55,713 INFO L85 PathProgramCache]: Analyzing trace with hash -919259084, now seen corresponding path program 1 times [2021-11-06 22:09:55,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:55,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282489482] [2021-11-06 22:09:55,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:55,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:56,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:56,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282489482] [2021-11-06 22:09:56,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282489482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:56,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:56,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:56,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018820391] [2021-11-06 22:09:56,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:56,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:56,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:56,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:56,277 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) [2021-11-06 22:09:57,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:57,186 INFO L93 Difference]: Finished difference Result 11713 states and 14890 transitions. [2021-11-06 22:09:57,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:57,187 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 [2021-11-06 22:09:57,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:57,204 INFO L225 Difference]: With dead ends: 11713 [2021-11-06 22:09:57,205 INFO L226 Difference]: Without dead ends: 11711 [2021-11-06 22:09:57,208 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 [2021-11-06 22:09:57,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11711 states. [2021-11-06 22:09:58,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11711 to 11532. [2021-11-06 22:09:58,135 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) [2021-11-06 22:09:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11532 states to 11532 states and 14691 transitions. [2021-11-06 22:09:58,152 INFO L78 Accepts]: Start accepts. Automaton has 11532 states and 14691 transitions. Word has length 101 [2021-11-06 22:09:58,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:09:58,152 INFO L470 AbstractCegarLoop]: Abstraction has 11532 states and 14691 transitions. [2021-11-06 22:09:58,152 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) [2021-11-06 22:09:58,152 INFO L276 IsEmpty]: Start isEmpty. Operand 11532 states and 14691 transitions. [2021-11-06 22:09:58,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-06 22:09:58,153 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:09:58,154 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] [2021-11-06 22:09:58,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-06 22:09:58,154 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)] === [2021-11-06 22:09:58,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:09:58,154 INFO L85 PathProgramCache]: Analyzing trace with hash -173133201, now seen corresponding path program 1 times [2021-11-06 22:09:58,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:09:58,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673717371] [2021-11-06 22:09:58,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:09:58,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:09:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:09:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:09:58,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:09:58,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673717371] [2021-11-06 22:09:58,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673717371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:09:58,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:09:58,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:09:58,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768177774] [2021-11-06 22:09:58,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:09:58,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:09:58,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:09:58,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:09:58,726 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) [2021-11-06 22:09:59,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:09:59,626 INFO L93 Difference]: Finished difference Result 11715 states and 14892 transitions. [2021-11-06 22:09:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:09:59,627 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 [2021-11-06 22:09:59,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:09:59,646 INFO L225 Difference]: With dead ends: 11715 [2021-11-06 22:09:59,646 INFO L226 Difference]: Without dead ends: 11713 [2021-11-06 22:09:59,650 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 [2021-11-06 22:09:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11713 states. [2021-11-06 22:10:00,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11713 to 11539. [2021-11-06 22:10:00,577 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) [2021-11-06 22:10:00,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11539 states to 11539 states and 14698 transitions. [2021-11-06 22:10:00,594 INFO L78 Accepts]: Start accepts. Automaton has 11539 states and 14698 transitions. Word has length 102 [2021-11-06 22:10:00,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:10:00,594 INFO L470 AbstractCegarLoop]: Abstraction has 11539 states and 14698 transitions. [2021-11-06 22:10:00,594 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) [2021-11-06 22:10:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 11539 states and 14698 transitions. [2021-11-06 22:10:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-06 22:10:00,596 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:10:00,596 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] [2021-11-06 22:10:00,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-06 22:10:00,596 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)] === [2021-11-06 22:10:00,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:10:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1674942149, now seen corresponding path program 1 times [2021-11-06 22:10:00,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:10:00,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602368288] [2021-11-06 22:10:00,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:10:00,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:10:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:10:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:10:01,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:10:01,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602368288] [2021-11-06 22:10:01,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602368288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:10:01,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:10:01,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:10:01,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239032666] [2021-11-06 22:10:01,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:10:01,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:10:01,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:10:01,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:10:01,156 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) [2021-11-06 22:10:05,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:10:05,023 INFO L93 Difference]: Finished difference Result 28449 states and 36388 transitions. [2021-11-06 22:10:05,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:10:05,028 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 [2021-11-06 22:10:05,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:10:05,059 INFO L225 Difference]: With dead ends: 28449 [2021-11-06 22:10:05,059 INFO L226 Difference]: Without dead ends: 16954 [2021-11-06 22:10:05,085 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 [2021-11-06 22:10:05,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16954 states. [2021-11-06 22:10:06,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16954 to 16795. [2021-11-06 22:10:06,458 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) [2021-11-06 22:10:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16795 states to 16795 states and 21493 transitions. [2021-11-06 22:10:06,484 INFO L78 Accepts]: Start accepts. Automaton has 16795 states and 21493 transitions. Word has length 102 [2021-11-06 22:10:06,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:10:06,484 INFO L470 AbstractCegarLoop]: Abstraction has 16795 states and 21493 transitions. [2021-11-06 22:10:06,484 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) [2021-11-06 22:10:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 16795 states and 21493 transitions. [2021-11-06 22:10:06,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-06 22:10:06,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:10:06,486 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] [2021-11-06 22:10:06,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-06 22:10:06,487 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)] === [2021-11-06 22:10:06,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:10:06,487 INFO L85 PathProgramCache]: Analyzing trace with hash 646224614, now seen corresponding path program 1 times [2021-11-06 22:10:06,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:10:06,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092283745] [2021-11-06 22:10:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:10:06,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:10:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:10:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:10:06,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:10:06,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092283745] [2021-11-06 22:10:06,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092283745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:10:06,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:10:06,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:10:06,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443758946] [2021-11-06 22:10:06,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:10:06,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:10:06,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:10:06,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:10:06,799 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) [2021-11-06 22:10:10,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:10:10,482 INFO L93 Difference]: Finished difference Result 16826 states and 21519 transitions. [2021-11-06 22:10:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:10:10,482 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 [2021-11-06 22:10:10,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:10:10,512 INFO L225 Difference]: With dead ends: 16826 [2021-11-06 22:10:10,512 INFO L226 Difference]: Without dead ends: 16824 [2021-11-06 22:10:10,520 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 [2021-11-06 22:10:10,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16824 states. [2021-11-06 22:10:11,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16824 to 16793. [2021-11-06 22:10:11,878 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) [2021-11-06 22:10:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16793 states to 16793 states and 21488 transitions. [2021-11-06 22:10:11,906 INFO L78 Accepts]: Start accepts. Automaton has 16793 states and 21488 transitions. Word has length 105 [2021-11-06 22:10:11,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:10:11,907 INFO L470 AbstractCegarLoop]: Abstraction has 16793 states and 21488 transitions. [2021-11-06 22:10:11,907 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) [2021-11-06 22:10:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 16793 states and 21488 transitions. [2021-11-06 22:10:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-06 22:10:11,909 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:10:11,909 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] [2021-11-06 22:10:11,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-06 22:10:11,910 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)] === [2021-11-06 22:10:11,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:10:11,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1135426456, now seen corresponding path program 1 times [2021-11-06 22:10:11,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:10:11,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308160740] [2021-11-06 22:10:11,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:10:11,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:10:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:10:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-06 22:10:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:10:12,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:10:12,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:10:12,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308160740] [2021-11-06 22:10:12,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308160740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:10:12,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:10:12,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:10:12,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62567449] [2021-11-06 22:10:12,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:10:12,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:10:12,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:10:12,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:10:12,238 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) [2021-11-06 22:10:25,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:10:25,680 INFO L93 Difference]: Finished difference Result 31057 states and 39776 transitions. [2021-11-06 22:10:25,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:10:25,681 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 [2021-11-06 22:10:25,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:10:25,721 INFO L225 Difference]: With dead ends: 31057 [2021-11-06 22:10:25,721 INFO L226 Difference]: Without dead ends: 20544 [2021-11-06 22:10:25,746 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 [2021-11-06 22:10:25,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20544 states. [2021-11-06 22:10:27,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20544 to 16799. [2021-11-06 22:10:27,203 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) [2021-11-06 22:10:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16799 states to 16799 states and 21498 transitions. [2021-11-06 22:10:27,232 INFO L78 Accepts]: Start accepts. Automaton has 16799 states and 21498 transitions. Word has length 108 [2021-11-06 22:10:27,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:10:27,232 INFO L470 AbstractCegarLoop]: Abstraction has 16799 states and 21498 transitions. [2021-11-06 22:10:27,232 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) [2021-11-06 22:10:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 16799 states and 21498 transitions. [2021-11-06 22:10:27,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:10:27,235 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:10:27,235 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] [2021-11-06 22:10:27,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-06 22:10:27,235 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)] === [2021-11-06 22:10:27,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:10:27,235 INFO L85 PathProgramCache]: Analyzing trace with hash -696421332, now seen corresponding path program 1 times [2021-11-06 22:10:27,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:10:27,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912627866] [2021-11-06 22:10:27,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:10:27,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:10:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:10:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-06 22:10:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:10:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:10:29,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:10:29,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912627866] [2021-11-06 22:10:29,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912627866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:10:29,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:10:29,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 22:10:29,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538216355] [2021-11-06 22:10:29,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-06 22:10:29,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:10:29,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-06 22:10:29,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-06 22:10:29,453 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) [2021-11-06 22:11:15,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:11:15,861 INFO L93 Difference]: Finished difference Result 33262 states and 42745 transitions. [2021-11-06 22:11:15,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-06 22:11:15,862 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 [2021-11-06 22:11:15,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:11:15,906 INFO L225 Difference]: With dead ends: 33262 [2021-11-06 22:11:15,906 INFO L226 Difference]: Without dead ends: 22743 [2021-11-06 22:11:15,935 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-06 22:11:15,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22743 states. [2021-11-06 22:11:17,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22743 to 19209. [2021-11-06 22:11:17,697 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) [2021-11-06 22:11:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19209 states to 19209 states and 24630 transitions. [2021-11-06 22:11:17,764 INFO L78 Accepts]: Start accepts. Automaton has 19209 states and 24630 transitions. Word has length 110 [2021-11-06 22:11:17,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:11:17,764 INFO L470 AbstractCegarLoop]: Abstraction has 19209 states and 24630 transitions. [2021-11-06 22:11:17,764 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) [2021-11-06 22:11:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 19209 states and 24630 transitions. [2021-11-06 22:11:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-06 22:11:17,768 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:11:17,768 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] [2021-11-06 22:11:17,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-06 22:11:17,768 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)] === [2021-11-06 22:11:17,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:11:17,768 INFO L85 PathProgramCache]: Analyzing trace with hash 723652299, now seen corresponding path program 1 times [2021-11-06 22:11:17,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:11:17,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492113912] [2021-11-06 22:11:17,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:11:17,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:11:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:11:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-06 22:11:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:11:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:11:19,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:11:19,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492113912] [2021-11-06 22:11:19,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492113912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:11:19,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:11:19,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 22:11:19,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098051540] [2021-11-06 22:11:19,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 22:11:19,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:11:19,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 22:11:19,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-06 22:11:19,014 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) [2021-11-06 22:11:36,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:11:36,259 INFO L93 Difference]: Finished difference Result 22164 states and 28366 transitions. [2021-11-06 22:11:36,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-06 22:11:36,260 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 [2021-11-06 22:11:36,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:11:36,302 INFO L225 Difference]: With dead ends: 22164 [2021-11-06 22:11:36,302 INFO L226 Difference]: Without dead ends: 22162 [2021-11-06 22:11:36,310 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-06 22:11:36,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22162 states. [2021-11-06 22:11:37,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22162 to 19369. [2021-11-06 22:11:38,005 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) [2021-11-06 22:11:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19369 states to 19369 states and 24863 transitions. [2021-11-06 22:11:38,044 INFO L78 Accepts]: Start accepts. Automaton has 19369 states and 24863 transitions. Word has length 112 [2021-11-06 22:11:38,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:11:38,045 INFO L470 AbstractCegarLoop]: Abstraction has 19369 states and 24863 transitions. [2021-11-06 22:11:38,045 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) [2021-11-06 22:11:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 19369 states and 24863 transitions. [2021-11-06 22:11:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 22:11:38,048 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:11:38,048 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] [2021-11-06 22:11:38,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-06 22:11:38,048 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)] === [2021-11-06 22:11:38,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:11:38,049 INFO L85 PathProgramCache]: Analyzing trace with hash 290374024, now seen corresponding path program 1 times [2021-11-06 22:11:38,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:11:38,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733541046] [2021-11-06 22:11:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:11:38,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:11:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:11:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:11:38,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:11:38,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733541046] [2021-11-06 22:11:38,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733541046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:11:38,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:11:38,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:11:38,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664791560] [2021-11-06 22:11:38,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:11:38,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:11:38,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:11:38,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:11:38,642 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) [2021-11-06 22:11:41,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:11:41,711 INFO L93 Difference]: Finished difference Result 30798 states and 39469 transitions. [2021-11-06 22:11:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:11:41,711 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 [2021-11-06 22:11:41,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:11:41,772 INFO L225 Difference]: With dead ends: 30798 [2021-11-06 22:11:41,772 INFO L226 Difference]: Without dead ends: 30784 [2021-11-06 22:11:41,786 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 [2021-11-06 22:11:41,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30784 states. [2021-11-06 22:11:44,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30784 to 25919. [2021-11-06 22:11:44,080 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) [2021-11-06 22:11:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25919 states to 25919 states and 33514 transitions. [2021-11-06 22:11:44,136 INFO L78 Accepts]: Start accepts. Automaton has 25919 states and 33514 transitions. Word has length 111 [2021-11-06 22:11:44,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:11:44,136 INFO L470 AbstractCegarLoop]: Abstraction has 25919 states and 33514 transitions. [2021-11-06 22:11:44,137 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) [2021-11-06 22:11:44,137 INFO L276 IsEmpty]: Start isEmpty. Operand 25919 states and 33514 transitions. [2021-11-06 22:11:44,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-06 22:11:44,140 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:11:44,140 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] [2021-11-06 22:11:44,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-06 22:11:44,140 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)] === [2021-11-06 22:11:44,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:11:44,140 INFO L85 PathProgramCache]: Analyzing trace with hash -145721189, now seen corresponding path program 1 times [2021-11-06 22:11:44,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:11:44,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595821943] [2021-11-06 22:11:44,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:11:44,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:11:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:11:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:11:44,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:11:44,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595821943] [2021-11-06 22:11:44,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595821943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:11:44,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:11:44,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:11:44,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677326308] [2021-11-06 22:11:44,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:11:44,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:11:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:11:44,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:11:44,433 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) [2021-11-06 22:11:49,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:11:49,023 INFO L93 Difference]: Finished difference Result 25962 states and 33552 transitions. [2021-11-06 22:11:49,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:11:49,023 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 [2021-11-06 22:11:49,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:11:49,077 INFO L225 Difference]: With dead ends: 25962 [2021-11-06 22:11:49,077 INFO L226 Difference]: Without dead ends: 25958 [2021-11-06 22:11:49,092 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 [2021-11-06 22:11:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25958 states. [2021-11-06 22:11:51,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25958 to 25915. [2021-11-06 22:11:51,417 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) [2021-11-06 22:11:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25915 states to 25915 states and 33500 transitions. [2021-11-06 22:11:51,475 INFO L78 Accepts]: Start accepts. Automaton has 25915 states and 33500 transitions. Word has length 114 [2021-11-06 22:11:51,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:11:51,475 INFO L470 AbstractCegarLoop]: Abstraction has 25915 states and 33500 transitions. [2021-11-06 22:11:51,476 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) [2021-11-06 22:11:51,476 INFO L276 IsEmpty]: Start isEmpty. Operand 25915 states and 33500 transitions. [2021-11-06 22:11:51,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-06 22:11:51,480 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:11:51,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:11:51,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-06 22:11:51,480 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)] === [2021-11-06 22:11:51,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:11:51,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1322930901, now seen corresponding path program 1 times [2021-11-06 22:11:51,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:11:51,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483638458] [2021-11-06 22:11:51,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:11:51,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:11:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:11:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:11:52,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:11:52,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483638458] [2021-11-06 22:11:52,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483638458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:11:52,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:11:52,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-06 22:11:52,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762995750] [2021-11-06 22:11:52,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-06 22:11:52,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:11:52,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-06 22:11:52,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-06 22:11:52,159 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) [2021-11-06 22:11:54,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:11:54,730 INFO L93 Difference]: Finished difference Result 42176 states and 54702 transitions. [2021-11-06 22:11:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-06 22:11:54,731 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 [2021-11-06 22:11:54,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:11:54,783 INFO L225 Difference]: With dead ends: 42176 [2021-11-06 22:11:54,783 INFO L226 Difference]: Without dead ends: 25951 [2021-11-06 22:11:54,817 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-11-06 22:11:54,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25951 states. [2021-11-06 22:11:57,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25951 to 25939. [2021-11-06 22:11:57,154 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) [2021-11-06 22:11:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25939 states to 25939 states and 33525 transitions. [2021-11-06 22:11:57,211 INFO L78 Accepts]: Start accepts. Automaton has 25939 states and 33525 transitions. Word has length 119 [2021-11-06 22:11:57,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:11:57,211 INFO L470 AbstractCegarLoop]: Abstraction has 25939 states and 33525 transitions. [2021-11-06 22:11:57,212 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) [2021-11-06 22:11:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 25939 states and 33525 transitions. [2021-11-06 22:11:57,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-06 22:11:57,216 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:11:57,216 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] [2021-11-06 22:11:57,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-06 22:11:57,216 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)] === [2021-11-06 22:11:57,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:11:57,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1496617010, now seen corresponding path program 1 times [2021-11-06 22:11:57,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:11:57,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410967226] [2021-11-06 22:11:57,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:11:57,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:11:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:11:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:11:57,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:11:57,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410967226] [2021-11-06 22:11:57,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410967226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:11:57,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:11:57,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 22:11:57,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423167149] [2021-11-06 22:11:57,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:11:57,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:11:57,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:11:57,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:11:57,797 INFO L87 Difference]: Start difference. First operand 25939 states and 33525 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 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) [2021-11-06 22:12:00,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:12:00,251 INFO L93 Difference]: Finished difference Result 51028 states and 66497 transitions. [2021-11-06 22:12:00,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:12:00,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 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 120 [2021-11-06 22:12:00,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:12:00,312 INFO L225 Difference]: With dead ends: 51028 [2021-11-06 22:12:00,312 INFO L226 Difference]: Without dead ends: 26047 [2021-11-06 22:12:00,365 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 22:12:00,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26047 states. [2021-11-06 22:12:02,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26047 to 25999. [2021-11-06 22:12:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25999 states, 25545 states have (on average 1.2841651986690155) internal successors, (32804), 25735 states have internal predecessors, (32804), 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) [2021-11-06 22:12:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25999 states to 25999 states and 33585 transitions. [2021-11-06 22:12:02,666 INFO L78 Accepts]: Start accepts. Automaton has 25999 states and 33585 transitions. Word has length 120 [2021-11-06 22:12:02,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:12:02,667 INFO L470 AbstractCegarLoop]: Abstraction has 25999 states and 33585 transitions. [2021-11-06 22:12:02,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 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) [2021-11-06 22:12:02,667 INFO L276 IsEmpty]: Start isEmpty. Operand 25999 states and 33585 transitions. [2021-11-06 22:12:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-06 22:12:02,671 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:12:02,671 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] [2021-11-06 22:12:02,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-06 22:12:02,671 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-06 22:12:02,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:12:02,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1552562582, now seen corresponding path program 1 times [2021-11-06 22:12:02,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:12:02,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771086276] [2021-11-06 22:12:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:12:02,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:12:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:12:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:12:50,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:12:50,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771086276] [2021-11-06 22:12:50,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771086276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:12:50,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:12:50,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:12:50,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050701244] [2021-11-06 22:12:50,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:12:50,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:12:50,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:12:50,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:12:50,052 INFO L87 Difference]: Start difference. First operand 25999 states and 33585 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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) [2021-11-06 22:12:55,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:12:55,465 INFO L93 Difference]: Finished difference Result 31438 states and 40292 transitions. [2021-11-06 22:12:55,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:12:55,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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 119 [2021-11-06 22:12:55,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:12:55,521 INFO L225 Difference]: With dead ends: 31438 [2021-11-06 22:12:55,521 INFO L226 Difference]: Without dead ends: 31424 [2021-11-06 22:12:55,533 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 [2021-11-06 22:12:55,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31424 states. [2021-11-06 22:12:57,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31424 to 25991. [2021-11-06 22:12:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25991 states, 25543 states have (on average 1.2839917002701327) internal successors, (32797), 25727 states have internal predecessors, (32797), 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) [2021-11-06 22:12:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25991 states to 25991 states and 33578 transitions. [2021-11-06 22:12:57,841 INFO L78 Accepts]: Start accepts. Automaton has 25991 states and 33578 transitions. Word has length 119 [2021-11-06 22:12:57,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:12:57,842 INFO L470 AbstractCegarLoop]: Abstraction has 25991 states and 33578 transitions. [2021-11-06 22:12:57,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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) [2021-11-06 22:12:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 25991 states and 33578 transitions. [2021-11-06 22:12:57,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-06 22:12:57,846 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:12:57,846 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] [2021-11-06 22:12:57,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-06 22:12:57,847 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ##fun~$Pointer$~TO~VOIDErr4ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-06 22:12:57,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:12:57,847 INFO L85 PathProgramCache]: Analyzing trace with hash -768632968, now seen corresponding path program 1 times [2021-11-06 22:12:57,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:12:57,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159771402] [2021-11-06 22:12:57,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:12:57,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:12:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:12:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:12:58,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:12:58,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159771402] [2021-11-06 22:12:58,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159771402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:12:58,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:12:58,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:12:58,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162342150] [2021-11-06 22:12:58,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:12:58,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:12:58,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:12:58,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:12:58,533 INFO L87 Difference]: Start difference. First operand 25991 states and 33578 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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) [2021-11-06 22:13:00,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:13:00,807 INFO L93 Difference]: Finished difference Result 49312 states and 64181 transitions. [2021-11-06 22:13:00,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:13:00,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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 120 [2021-11-06 22:13:00,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:13:00,863 INFO L225 Difference]: With dead ends: 49312 [2021-11-06 22:13:00,863 INFO L226 Difference]: Without dead ends: 24279 [2021-11-06 22:13:00,930 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 [2021-11-06 22:13:00,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24279 states. [2021-11-06 22:13:03,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24279 to 24203. [2021-11-06 22:13:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24203 states, 23755 states have (on average 1.2796884866343927) internal successors, (30399), 23939 states have internal predecessors, (30399), 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) [2021-11-06 22:13:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24203 states to 24203 states and 31180 transitions. [2021-11-06 22:13:03,478 INFO L78 Accepts]: Start accepts. Automaton has 24203 states and 31180 transitions. Word has length 120 [2021-11-06 22:13:03,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:13:03,478 INFO L470 AbstractCegarLoop]: Abstraction has 24203 states and 31180 transitions. [2021-11-06 22:13:03,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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) [2021-11-06 22:13:03,478 INFO L276 IsEmpty]: Start isEmpty. Operand 24203 states and 31180 transitions. [2021-11-06 22:13:03,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-06 22:13:03,482 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:13:03,483 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, 1, 1, 1, 1, 1] [2021-11-06 22:13:03,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-06 22:13:03,483 INFO L402 AbstractCegarLoop]: === Iteration 65 === 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)] === [2021-11-06 22:13:03,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:13:03,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1472480065, now seen corresponding path program 1 times [2021-11-06 22:13:03,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:13:03,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990930575] [2021-11-06 22:13:03,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:13:03,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:13:03,649 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:13:03,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621142836] [2021-11-06 22:13:03,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:13:03,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:13:03,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:13:03,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:13:03,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 22:13:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:13:06,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 7164 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-06 22:13:06,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:13:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:13:07,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:13:07,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990930575] [2021-11-06 22:13:07,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:13:07,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621142836] [2021-11-06 22:13:07,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621142836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:13:07,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:13:07,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:13:07,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080307822] [2021-11-06 22:13:07,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:13:07,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:13:07,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:13:07,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:13:07,526 INFO L87 Difference]: Start difference. First operand 24203 states and 31180 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:13:11,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:13:11,833 INFO L93 Difference]: Finished difference Result 37927 states and 48646 transitions. [2021-11-06 22:13:11,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 22:13:11,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (3), 1 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 125 [2021-11-06 22:13:11,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:13:11,907 INFO L225 Difference]: With dead ends: 37927 [2021-11-06 22:13:11,907 INFO L226 Difference]: Without dead ends: 37923 [2021-11-06 22:13:11,923 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-06 22:13:11,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37923 states. [2021-11-06 22:13:15,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37923 to 37364. [2021-11-06 22:13:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37364 states, 36712 states have (on average 1.2754412726084114) internal successors, (46824), 36963 states have internal predecessors, (46824), 343 states have call successors, (343), 157 states have call predecessors, (343), 231 states have return successors, (871), 333 states have call predecessors, (871), 343 states have call successors, (871) [2021-11-06 22:13:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37364 states to 37364 states and 48038 transitions. [2021-11-06 22:13:15,625 INFO L78 Accepts]: Start accepts. Automaton has 37364 states and 48038 transitions. Word has length 125 [2021-11-06 22:13:15,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:13:15,626 INFO L470 AbstractCegarLoop]: Abstraction has 37364 states and 48038 transitions. [2021-11-06 22:13:15,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:13:15,626 INFO L276 IsEmpty]: Start isEmpty. Operand 37364 states and 48038 transitions. [2021-11-06 22:13:15,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-06 22:13:15,631 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:13:15,631 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:13:15,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-06 22:13:15,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-11-06 22:13:15,848 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting __xen_pcibk_release_devices___0Err1ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-06 22:13:15,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:13:15,848 INFO L85 PathProgramCache]: Analyzing trace with hash 784235913, now seen corresponding path program 1 times [2021-11-06 22:13:15,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:13:15,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277207346] [2021-11-06 22:13:15,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:13:15,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:13:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:13:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-06 22:13:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:13:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:13:33,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:13:33,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277207346] [2021-11-06 22:13:33,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277207346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:13:33,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:13:33,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-06 22:13:33,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845010978] [2021-11-06 22:13:33,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-06 22:13:33,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:13:33,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-06 22:13:33,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-06 22:13:33,582 INFO L87 Difference]: Start difference. First operand 37364 states and 48038 transitions. Second operand has 16 states, 16 states have (on average 7.75) internal successors, (124), 14 states have internal predecessors, (124), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 22:14:51,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:14:51,282 INFO L93 Difference]: Finished difference Result 82080 states and 105703 transitions. [2021-11-06 22:14:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-06 22:14:51,284 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.75) internal successors, (124), 14 states have internal predecessors, (124), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 128 [2021-11-06 22:14:51,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:14:51,381 INFO L225 Difference]: With dead ends: 82080 [2021-11-06 22:14:51,381 INFO L226 Difference]: Without dead ends: 45674 [2021-11-06 22:14:51,454 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=339, Invalid=1467, Unknown=0, NotChecked=0, Total=1806 [2021-11-06 22:14:51,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45674 states. [2021-11-06 22:14:55,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45674 to 38474. [2021-11-06 22:14:55,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38474 states, 37789 states have (on average 1.2741009288417264) internal successors, (48147), 38050 states have internal predecessors, (48147), 363 states have call successors, (363), 169 states have call predecessors, (363), 244 states have return successors, (944), 345 states have call predecessors, (944), 363 states have call successors, (944) [2021-11-06 22:14:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38474 states to 38474 states and 49454 transitions. [2021-11-06 22:14:55,533 INFO L78 Accepts]: Start accepts. Automaton has 38474 states and 49454 transitions. Word has length 128 [2021-11-06 22:14:55,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:14:55,533 INFO L470 AbstractCegarLoop]: Abstraction has 38474 states and 49454 transitions. [2021-11-06 22:14:55,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.75) internal successors, (124), 14 states have internal predecessors, (124), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 22:14:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 38474 states and 49454 transitions. [2021-11-06 22:14:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-06 22:14:55,539 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:14:55,539 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:14:55,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-06 22:14:55,539 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting __xen_pcibk_release_devicesErr1ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-06 22:14:55,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:14:55,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1810885299, now seen corresponding path program 1 times [2021-11-06 22:14:55,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:14:55,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778371042] [2021-11-06 22:14:55,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:14:55,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:14:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:14:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-06 22:14:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:14:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:14:56,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:14:56,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778371042] [2021-11-06 22:14:56,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778371042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:14:56,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:14:56,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 22:14:56,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724230833] [2021-11-06 22:14:56,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 22:14:56,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:14:56,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 22:14:56,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-06 22:14:56,092 INFO L87 Difference]: Start difference. First operand 38474 states and 49454 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 22:15:15,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:15:15,452 INFO L93 Difference]: Finished difference Result 39576 states and 50940 transitions. [2021-11-06 22:15:15,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-06 22:15:15,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 129 [2021-11-06 22:15:15,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:15:15,523 INFO L225 Difference]: With dead ends: 39576 [2021-11-06 22:15:15,523 INFO L226 Difference]: Without dead ends: 39574 [2021-11-06 22:15:15,537 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-06 22:15:15,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39574 states. [2021-11-06 22:15:19,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39574 to 38509. [2021-11-06 22:15:19,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38509 states, 37817 states have (on average 1.2735542216463496) internal successors, (48162), 38071 states have internal predecessors, (48162), 363 states have call successors, (363), 169 states have call predecessors, (363), 251 states have return successors, (968), 359 states have call predecessors, (968), 363 states have call successors, (968) [2021-11-06 22:15:19,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38509 states to 38509 states and 49493 transitions. [2021-11-06 22:15:19,379 INFO L78 Accepts]: Start accepts. Automaton has 38509 states and 49493 transitions. Word has length 129 [2021-11-06 22:15:19,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:15:19,380 INFO L470 AbstractCegarLoop]: Abstraction has 38509 states and 49493 transitions. [2021-11-06 22:15:19,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 22:15:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 38509 states and 49493 transitions. [2021-11-06 22:15:19,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-06 22:15:19,386 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:15:19,386 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:15:19,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-06 22:15:19,386 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting xen_pcibk_xenbus_probeErr6ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-06 22:15:19,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:15:19,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2107333598, now seen corresponding path program 1 times [2021-11-06 22:15:19,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:15:19,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814687592] [2021-11-06 22:15:19,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:15:19,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:15:19,556 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:15:19,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547416938] [2021-11-06 22:15:19,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:15:19,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:15:19,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:15:19,557 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:15:19,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 22:15:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:15:23,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 7085 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-06 22:15:23,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:15:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:15:23,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:15:23,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814687592] [2021-11-06 22:15:23,522 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:15:23,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547416938] [2021-11-06 22:15:23,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547416938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:15:23,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:15:23,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:15:23,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650505623] [2021-11-06 22:15:23,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:15:23,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:15:23,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:15:23,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:15:23,523 INFO L87 Difference]: Start difference. First operand 38509 states and 49493 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 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) [2021-11-06 22:15:27,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:15:27,969 INFO L93 Difference]: Finished difference Result 38878 states and 49839 transitions. [2021-11-06 22:15:27,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 22:15:27,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 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 128 [2021-11-06 22:15:27,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:15:28,053 INFO L225 Difference]: With dead ends: 38878 [2021-11-06 22:15:28,053 INFO L226 Difference]: Without dead ends: 38876 [2021-11-06 22:15:28,074 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-06 22:15:28,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38876 states. [2021-11-06 22:15:31,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38876 to 38550. [2021-11-06 22:15:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38550 states, 37856 states have (on average 1.2735365595942518) internal successors, (48211), 38112 states have internal predecessors, (48211), 364 states have call successors, (364), 169 states have call predecessors, (364), 252 states have return successors, (972), 360 states have call predecessors, (972), 364 states have call successors, (972) [2021-11-06 22:15:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38550 states to 38550 states and 49547 transitions. [2021-11-06 22:15:32,064 INFO L78 Accepts]: Start accepts. Automaton has 38550 states and 49547 transitions. Word has length 128 [2021-11-06 22:15:32,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:15:32,065 INFO L470 AbstractCegarLoop]: Abstraction has 38550 states and 49547 transitions. [2021-11-06 22:15:32,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 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) [2021-11-06 22:15:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 38550 states and 49547 transitions. [2021-11-06 22:15:32,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-06 22:15:32,071 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:15:32,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:15:32,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 22:15:32,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:15:32,288 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting __xen_pcibk_release_devices___0Err1ASSERT_VIOLATIONERROR_FUNCTION === [xen_pcibk_error_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, xen_pcibk_error_resumeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 323 more)] === [2021-11-06 22:15:32,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:15:32,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1098801176, now seen corresponding path program 1 times [2021-11-06 22:15:32,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:15:32,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945979744] [2021-11-06 22:15:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:15:32,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms