./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 5f08f0f0 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-wip.dd.seqcomp-5f08f0f [2021-11-05 23:51:46,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 23:51:46,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 23:51:46,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 23:51:46,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 23:51:46,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 23:51:46,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 23:51:46,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 23:51:46,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 23:51:46,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 23:51:46,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 23:51:46,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 23:51:46,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 23:51:46,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 23:51:46,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 23:51:46,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 23:51:46,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 23:51:46,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 23:51:46,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 23:51:46,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 23:51:46,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 23:51:46,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 23:51:46,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 23:51:46,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 23:51:46,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 23:51:46,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 23:51:46,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 23:51:46,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 23:51:46,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 23:51:46,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 23:51:46,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 23:51:46,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 23:51:46,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 23:51:46,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 23:51:46,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 23:51:46,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 23:51:46,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 23:51:46,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 23:51:46,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 23:51:46,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 23:51:46,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 23:51:46,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 23:51:46,374 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 23:51:46,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 23:51:46,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 23:51:46,376 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 23:51:46,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 23:51:46,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 23:51:46,378 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 23:51:46,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 23:51:46,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 23:51:46,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 23:51:46,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 23:51:46,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 23:51:46,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 23:51:46,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 23:51:46,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 23:51:46,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 23:51:46,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 23:51:46,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 23:51:46,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 23:51:46,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 23:51:46,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 23:51:46,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 23:51:46,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 23:51:46,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 23:51:46,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 23:51:46,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 23:51:46,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 23:51:46,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 23:51:46,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 23:51:46,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 668079de19bf0a3b986283cdf2026e08e0cc89de10c7b91fb412db22c303859d [2021-11-05 23:51:46,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 23:51:46,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 23:51:46,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 23:51:46,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 23:51:46,673 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 23:51:46,674 INFO L432 ainManager$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 [2021-11-05 23:51:46,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321845a90/cedaec172454474b8c7bf526bb840180/FLAG055c69b30 [2021-11-05 23:51:47,382 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 23:51:47,382 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 [2021-11-05 23:51:47,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321845a90/cedaec172454474b8c7bf526bb840180/FLAG055c69b30 [2021-11-05 23:51:47,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/321845a90/cedaec172454474b8c7bf526bb840180 [2021-11-05 23:51:47,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 23:51:47,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 23:51:47,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 23:51:47,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 23:51:47,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 23:51:47,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:51:47" (1/1) ... [2021-11-05 23:51:47,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6605fa65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:47, skipping insertion in model container [2021-11-05 23:51:47,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:51:47" (1/1) ... [2021-11-05 23:51:47,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 23:51:47,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 23:51:52,154 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] [2021-11-05 23:51:52,155 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] [2021-11-05 23:51:52,156 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] [2021-11-05 23:51:52,156 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] [2021-11-05 23:51:52,156 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] [2021-11-05 23:51:52,157 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] [2021-11-05 23:51:52,157 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] [2021-11-05 23:51:52,157 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] [2021-11-05 23:51:52,158 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] [2021-11-05 23:51:52,158 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] [2021-11-05 23:51:52,158 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] [2021-11-05 23:51:52,159 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] [2021-11-05 23:51:52,159 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] [2021-11-05 23:51:52,159 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] [2021-11-05 23:51:52,159 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] [2021-11-05 23:51:52,160 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] [2021-11-05 23:51:52,160 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] [2021-11-05 23:51:52,160 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] [2021-11-05 23:51:52,161 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] [2021-11-05 23:51:52,161 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] [2021-11-05 23:51:52,161 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] [2021-11-05 23:51:52,162 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] [2021-11-05 23:51:52,162 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] [2021-11-05 23:51:52,162 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] [2021-11-05 23:51:52,163 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] [2021-11-05 23:51:52,163 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] [2021-11-05 23:51:52,163 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] [2021-11-05 23:51:52,163 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] [2021-11-05 23:51:52,164 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] [2021-11-05 23:51:52,164 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] [2021-11-05 23:51:52,164 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] [2021-11-05 23:51:52,165 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] [2021-11-05 23:51:52,165 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] [2021-11-05 23:51:52,165 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] [2021-11-05 23:51:52,171 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] [2021-11-05 23:51:52,171 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] [2021-11-05 23:51:52,171 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] [2021-11-05 23:51:52,172 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] [2021-11-05 23:51:52,172 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] [2021-11-05 23:51:52,172 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] [2021-11-05 23:51:52,173 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] [2021-11-05 23:51:52,173 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] [2021-11-05 23:51:52,173 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] [2021-11-05 23:51:52,173 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] [2021-11-05 23:51:52,174 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] [2021-11-05 23:51:52,174 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] [2021-11-05 23:51:52,174 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] [2021-11-05 23:51:52,175 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] [2021-11-05 23:51:52,175 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] [2021-11-05 23:51:52,175 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] [2021-11-05 23:51:52,176 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] [2021-11-05 23:51:52,176 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] [2021-11-05 23:51:52,176 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] [2021-11-05 23:51:52,176 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] [2021-11-05 23:51:52,177 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] [2021-11-05 23:51:52,177 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] [2021-11-05 23:51:52,177 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] [2021-11-05 23:51:52,178 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] [2021-11-05 23:51:52,178 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] [2021-11-05 23:51:52,178 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] [2021-11-05 23:51:52,178 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] [2021-11-05 23:51:52,179 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] [2021-11-05 23:51:52,179 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] [2021-11-05 23:51:52,179 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] [2021-11-05 23:51:52,180 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] [2021-11-05 23:51:52,180 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] [2021-11-05 23:51:52,180 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] [2021-11-05 23:51:52,181 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] [2021-11-05 23:51:52,181 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] [2021-11-05 23:51:52,181 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] [2021-11-05 23:51:52,182 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] [2021-11-05 23:51:52,182 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] [2021-11-05 23:51:52,182 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] [2021-11-05 23:51:52,182 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] [2021-11-05 23:51:52,183 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] [2021-11-05 23:51:52,183 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] [2021-11-05 23:51:52,183 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] [2021-11-05 23:51:52,184 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] [2021-11-05 23:51:52,184 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] [2021-11-05 23:51:52,184 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] [2021-11-05 23:51:52,185 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] [2021-11-05 23:51:52,185 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] [2021-11-05 23:51:52,185 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] [2021-11-05 23:51:52,185 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] [2021-11-05 23:51:52,186 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] [2021-11-05 23:51:52,186 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] [2021-11-05 23:51:52,186 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] [2021-11-05 23:51:52,187 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] [2021-11-05 23:51:52,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 23:51:52,239 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 23:51:52,732 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] [2021-11-05 23:51:52,734 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] [2021-11-05 23:51:52,737 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] [2021-11-05 23:51:52,738 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] [2021-11-05 23:51:52,738 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] [2021-11-05 23:51:52,738 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] [2021-11-05 23:51:52,739 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] [2021-11-05 23:51:52,740 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] [2021-11-05 23:51:52,740 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] [2021-11-05 23:51:52,741 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] [2021-11-05 23:51:52,741 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] [2021-11-05 23:51:52,742 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] [2021-11-05 23:51:52,743 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] [2021-11-05 23:51:52,743 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] [2021-11-05 23:51:52,744 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] [2021-11-05 23:51:52,744 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] [2021-11-05 23:51:52,744 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] [2021-11-05 23:51:52,745 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] [2021-11-05 23:51:52,745 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] [2021-11-05 23:51:52,745 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] [2021-11-05 23:51:52,746 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] [2021-11-05 23:51:52,746 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] [2021-11-05 23:51:52,747 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] [2021-11-05 23:51:52,747 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] [2021-11-05 23:51:52,747 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] [2021-11-05 23:51:52,747 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] [2021-11-05 23:51:52,748 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] [2021-11-05 23:51:52,748 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] [2021-11-05 23:51:52,748 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] [2021-11-05 23:51:52,748 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] [2021-11-05 23:51:52,749 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] [2021-11-05 23:51:52,749 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] [2021-11-05 23:51:52,749 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] [2021-11-05 23:51:52,750 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] [2021-11-05 23:51:52,750 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] [2021-11-05 23:51:52,750 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] [2021-11-05 23:51:52,751 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] [2021-11-05 23:51:52,751 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] [2021-11-05 23:51:52,751 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] [2021-11-05 23:51:52,751 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] [2021-11-05 23:51:52,752 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] [2021-11-05 23:51:52,753 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] [2021-11-05 23:51:52,753 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] [2021-11-05 23:51:52,753 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] [2021-11-05 23:51:52,753 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] [2021-11-05 23:51:52,754 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] [2021-11-05 23:51:52,754 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] [2021-11-05 23:51:52,754 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] [2021-11-05 23:51:52,754 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] [2021-11-05 23:51:52,755 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] [2021-11-05 23:51:52,755 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] [2021-11-05 23:51:52,755 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] [2021-11-05 23:51:52,756 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] [2021-11-05 23:51:52,756 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] [2021-11-05 23:51:52,757 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] [2021-11-05 23:51:52,757 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] [2021-11-05 23:51:52,757 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] [2021-11-05 23:51:52,758 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] [2021-11-05 23:51:52,759 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] [2021-11-05 23:51:52,759 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] [2021-11-05 23:51:52,759 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] [2021-11-05 23:51:52,760 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] [2021-11-05 23:51:52,760 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] [2021-11-05 23:51:52,760 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] [2021-11-05 23:51:52,761 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] [2021-11-05 23:51:52,765 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] [2021-11-05 23:51:52,766 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] [2021-11-05 23:51:52,766 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] [2021-11-05 23:51:52,767 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] [2021-11-05 23:51:52,767 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] [2021-11-05 23:51:52,768 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] [2021-11-05 23:51:52,768 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] [2021-11-05 23:51:52,769 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] [2021-11-05 23:51:52,769 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] [2021-11-05 23:51:52,772 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] [2021-11-05 23:51:52,773 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] [2021-11-05 23:51:52,773 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] [2021-11-05 23:51:52,773 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] [2021-11-05 23:51:52,774 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] [2021-11-05 23:51:52,775 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] [2021-11-05 23:51:52,775 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] [2021-11-05 23:51:52,776 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] [2021-11-05 23:51:52,776 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] [2021-11-05 23:51:52,776 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] [2021-11-05 23:51:52,777 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] [2021-11-05 23:51:52,777 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] [2021-11-05 23:51:52,777 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] [2021-11-05 23:51:52,777 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] [2021-11-05 23:51:52,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 23:51:53,186 INFO L208 MainTranslator]: Completed translation [2021-11-05 23:51:53,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53 WrapperNode [2021-11-05 23:51:53,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 23:51:53,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 23:51:53,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 23:51:53,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 23:51:53,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:53,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:54,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 23:51:54,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 23:51:54,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 23:51:54,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 23:51:54,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:54,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:54,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:54,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:55,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:55,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:55,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:55,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 23:51:55,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 23:51:55,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 23:51:55,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 23:51:55,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (1/1) ... [2021-11-05 23:51:55,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 23:51:55,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 23:51:55,496 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) [2021-11-05 23:51:55,515 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 [2021-11-05 23:51:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2021-11-05 23:51:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2021-11-05 23:51:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2021-11-05 23:51:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2021-11-05 23:51:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 23:51:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-05 23:51:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-05 23:51:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 23:51:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 23:51:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2021-11-05 23:51:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2021-11-05 23:51:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 23:51:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 23:51:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 23:51:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 23:51:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 23:51:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2021-11-05 23:51:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2021-11-05 23:51:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2021-11-05 23:51:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2021-11-05 23:51:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2021-11-05 23:51:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2021-11-05 23:51:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 23:51:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 23:51:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2021-11-05 23:51:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2021-11-05 23:51:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 23:51:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 23:51:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2021-11-05 23:51:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2021-11-05 23:51:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-05 23:51:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-05 23:51:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2021-11-05 23:51:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2021-11-05 23:51:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2021-11-05 23:51:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2021-11-05 23:51:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2021-11-05 23:51:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2021-11-05 23:51:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 23:51:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2021-11-05 23:51:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2021-11-05 23:51:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 23:51:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 23:51:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 23:51:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2021-11-05 23:51:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2021-11-05 23:53:53,538 INFO L757 $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; [2021-11-05 23:53:53,539 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 23:53:53,539 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_34_returnLabel: main_#res := 0; [2021-11-05 23:53:53,540 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L8356: #t~ret2648 := main_#res; [2021-11-05 23:53:53,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 23:53:53,580 INFO L299 CfgBuilder]: Removed 9706 assume(true) statements. [2021-11-05 23:53:53,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:53:53 BoogieIcfgContainer [2021-11-05 23:53:53,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 23:53:53,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 23:53:53,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 23:53:53,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 23:53:53,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:51:47" (1/3) ... [2021-11-05 23:53:53,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515c0579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:53:53, skipping insertion in model container [2021-11-05 23:53:53,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:51:53" (2/3) ... [2021-11-05 23:53:53,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515c0579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:53:53, skipping insertion in model container [2021-11-05 23:53:53,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:53:53" (3/3) ... [2021-11-05 23:53:53,591 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-05 23:53:53,594 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 23:53:53,594 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 326 error locations. [2021-11-05 23:53:53,641 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 23:53:53,646 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 [2021-11-05 23:53:53,646 INFO L340 AbstractCegarLoop]: Starting to check reachability of 326 error locations. [2021-11-05 23:53:53,736 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) [2021-11-05 23:53:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-05 23:53:53,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:53:53,740 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:53:53,741 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)] === [2021-11-05 23:53:53,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:53:53,747 INFO L85 PathProgramCache]: Analyzing trace with hash 298342383, now seen corresponding path program 1 times [2021-11-05 23:53:53,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:53:53,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613308948] [2021-11-05 23:53:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:53:53,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:53:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:53:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:53:54,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:53:54,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613308948] [2021-11-05 23:53:54,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613308948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:53:54,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:53:54,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:53:54,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965938844] [2021-11-05 23:53:54,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:53:54,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:53:54,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:53:54,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:53:54,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:53:54,619 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) [2021-11-05 23:53:54,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:53:54,971 INFO L93 Difference]: Finished difference Result 18676 states and 24677 transitions. [2021-11-05 23:53:54,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:53:54,974 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 [2021-11-05 23:53:54,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:53:55,021 INFO L225 Difference]: With dead ends: 18676 [2021-11-05 23:53:55,022 INFO L226 Difference]: Without dead ends: 8866 [2021-11-05 23:53:55,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.89ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:53:55,056 INFO L933 BasicCegarLoop]: 11987 mSDtfsCounter, 12137 mSDsluCounter, 11825 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12137 SdHoareTripleChecker+Valid, 23812 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.49ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.15ms IncrementalHoareTripleChecker+Time [2021-11-05 23:53:55,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12137 Valid, 23812 Invalid, 6 Unknown, 0 Unchecked, 46.49ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.15ms Time] [2021-11-05 23:53:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8866 states. [2021-11-05 23:53:55,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8866 to 8866. [2021-11-05 23:53:55,292 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) [2021-11-05 23:53:55,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8866 states to 8866 states and 11035 transitions. [2021-11-05 23:53:55,326 INFO L78 Accepts]: Start accepts. Automaton has 8866 states and 11035 transitions. Word has length 21 [2021-11-05 23:53:55,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:53:55,326 INFO L470 AbstractCegarLoop]: Abstraction has 8866 states and 11035 transitions. [2021-11-05 23:53:55,327 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) [2021-11-05 23:53:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 8866 states and 11035 transitions. [2021-11-05 23:53:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-05 23:53:55,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:53:55,328 INFO L514 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] [2021-11-05 23:53:55,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 23:53:55,328 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)] === [2021-11-05 23:53:55,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:53:55,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1054942445, now seen corresponding path program 1 times [2021-11-05 23:53:55,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:53:55,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767878639] [2021-11-05 23:53:55,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:53:55,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:53:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:53:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:53:55,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:53:55,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767878639] [2021-11-05 23:53:55,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767878639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:53:55,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:53:55,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:53:55,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481191687] [2021-11-05 23:53:55,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:53:55,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:53:55,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:53:55,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:53:55,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:53:55,718 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) [2021-11-05 23:53:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:53:55,897 INFO L93 Difference]: Finished difference Result 8866 states and 11035 transitions. [2021-11-05 23:53:55,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:53:55,898 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 [2021-11-05 23:53:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:53:55,928 INFO L225 Difference]: With dead ends: 8866 [2021-11-05 23:53:55,929 INFO L226 Difference]: Without dead ends: 8862 [2021-11-05 23:53:55,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:53:55,935 INFO L933 BasicCegarLoop]: 11027 mSDtfsCounter, 11163 mSDsluCounter, 10877 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11163 SdHoareTripleChecker+Valid, 21904 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.49ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.58ms IncrementalHoareTripleChecker+Time [2021-11-05 23:53:55,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11163 Valid, 21904 Invalid, 6 Unknown, 0 Unchecked, 27.49ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.58ms Time] [2021-11-05 23:53:55,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8862 states. [2021-11-05 23:53:56,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8862 to 8862. [2021-11-05 23:53:56,110 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) [2021-11-05 23:53:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 11031 transitions. [2021-11-05 23:53:56,130 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 11031 transitions. Word has length 23 [2021-11-05 23:53:56,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:53:56,130 INFO L470 AbstractCegarLoop]: Abstraction has 8862 states and 11031 transitions. [2021-11-05 23:53:56,132 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) [2021-11-05 23:53:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 11031 transitions. [2021-11-05 23:53:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-05 23:53:56,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:53:56,133 INFO L514 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] [2021-11-05 23:53:56,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 23:53:56,134 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)] === [2021-11-05 23:53:56,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:53:56,134 INFO L85 PathProgramCache]: Analyzing trace with hash -186571113, now seen corresponding path program 1 times [2021-11-05 23:53:56,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:53:56,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740574235] [2021-11-05 23:53:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:53:56,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:53:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:53:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:53:56,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:53:56,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740574235] [2021-11-05 23:53:56,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740574235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:53:56,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:53:56,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:53:56,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828106044] [2021-11-05 23:53:56,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:53:56,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:53:56,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:53:56,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:53:56,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:53:56,510 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) [2021-11-05 23:53:56,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:53:56,686 INFO L93 Difference]: Finished difference Result 8862 states and 11031 transitions. [2021-11-05 23:53:56,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:53:56,687 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 [2021-11-05 23:53:56,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:53:56,720 INFO L225 Difference]: With dead ends: 8862 [2021-11-05 23:53:56,721 INFO L226 Difference]: Without dead ends: 8858 [2021-11-05 23:53:56,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.76ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:53:56,730 INFO L933 BasicCegarLoop]: 11023 mSDtfsCounter, 11149 mSDsluCounter, 10881 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11149 SdHoareTripleChecker+Valid, 21904 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.72ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.74ms IncrementalHoareTripleChecker+Time [2021-11-05 23:53:56,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11149 Valid, 21904 Invalid, 6 Unknown, 0 Unchecked, 26.72ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.74ms Time] [2021-11-05 23:53:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8858 states. [2021-11-05 23:53:56,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8858 to 8858. [2021-11-05 23:53:56,910 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) [2021-11-05 23:53:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8858 states to 8858 states and 11027 transitions. [2021-11-05 23:53:56,928 INFO L78 Accepts]: Start accepts. Automaton has 8858 states and 11027 transitions. Word has length 25 [2021-11-05 23:53:56,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:53:56,928 INFO L470 AbstractCegarLoop]: Abstraction has 8858 states and 11027 transitions. [2021-11-05 23:53:56,928 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) [2021-11-05 23:53:56,928 INFO L276 IsEmpty]: Start isEmpty. Operand 8858 states and 11027 transitions. [2021-11-05 23:53:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-05 23:53:56,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:53:56,933 INFO L514 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] [2021-11-05 23:53:56,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 23:53:56,933 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)] === [2021-11-05 23:53:56,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:53:56,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1094623867, now seen corresponding path program 1 times [2021-11-05 23:53:56,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:53:56,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410729547] [2021-11-05 23:53:56,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:53:56,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:53:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:53:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:53:57,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:53:57,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410729547] [2021-11-05 23:53:57,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410729547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:53:57,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:53:57,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:53:57,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288311834] [2021-11-05 23:53:57,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:53:57,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:53:57,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:53:57,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:53:57,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:53:57,395 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) [2021-11-05 23:53:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:53:57,562 INFO L93 Difference]: Finished difference Result 8858 states and 11027 transitions. [2021-11-05 23:53:57,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:53:57,562 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 [2021-11-05 23:53:57,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:53:57,587 INFO L225 Difference]: With dead ends: 8858 [2021-11-05 23:53:57,588 INFO L226 Difference]: Without dead ends: 8854 [2021-11-05 23:53:57,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.29ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:53:57,594 INFO L933 BasicCegarLoop]: 11019 mSDtfsCounter, 11135 mSDsluCounter, 10885 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11135 SdHoareTripleChecker+Valid, 21904 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.10ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.74ms IncrementalHoareTripleChecker+Time [2021-11-05 23:53:57,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11135 Valid, 21904 Invalid, 6 Unknown, 0 Unchecked, 21.10ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.74ms Time] [2021-11-05 23:53:57,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8854 states. [2021-11-05 23:53:57,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8854 to 8854. [2021-11-05 23:53:57,770 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) [2021-11-05 23:53:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8854 states to 8854 states and 11023 transitions. [2021-11-05 23:53:57,788 INFO L78 Accepts]: Start accepts. Automaton has 8854 states and 11023 transitions. Word has length 27 [2021-11-05 23:53:57,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:53:57,789 INFO L470 AbstractCegarLoop]: Abstraction has 8854 states and 11023 transitions. [2021-11-05 23:53:57,789 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) [2021-11-05 23:53:57,789 INFO L276 IsEmpty]: Start isEmpty. Operand 8854 states and 11023 transitions. [2021-11-05 23:53:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-05 23:53:57,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:53:57,790 INFO L514 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] [2021-11-05 23:53:57,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 23:53:57,790 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)] === [2021-11-05 23:53:57,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:53:57,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1744894041, now seen corresponding path program 1 times [2021-11-05 23:53:57,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:53:57,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924184100] [2021-11-05 23:53:57,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:53:57,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:53:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:53:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:53:58,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:53:58,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924184100] [2021-11-05 23:53:58,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924184100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:53:58,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:53:58,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:53:58,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782835712] [2021-11-05 23:53:58,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:53:58,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:53:58,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:53:58,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:53:58,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:53:58,106 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) [2021-11-05 23:53:58,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:53:58,302 INFO L93 Difference]: Finished difference Result 17703 states and 22040 transitions. [2021-11-05 23:53:58,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:53:58,303 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 [2021-11-05 23:53:58,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:53:58,328 INFO L225 Difference]: With dead ends: 17703 [2021-11-05 23:53:58,328 INFO L226 Difference]: Without dead ends: 8855 [2021-11-05 23:53:58,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.50ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:53:58,351 INFO L933 BasicCegarLoop]: 11022 mSDtfsCounter, 0 mSDsluCounter, 11018 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22040 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.07ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.20ms IncrementalHoareTripleChecker+Time [2021-11-05 23:53:58,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22040 Invalid, 5 Unknown, 0 Unchecked, 16.07ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 6.20ms Time] [2021-11-05 23:53:58,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8855 states. [2021-11-05 23:53:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8855 to 8855. [2021-11-05 23:53:58,525 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) [2021-11-05 23:53:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8855 states to 8855 states and 11024 transitions. [2021-11-05 23:53:58,541 INFO L78 Accepts]: Start accepts. Automaton has 8855 states and 11024 transitions. Word has length 27 [2021-11-05 23:53:58,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:53:58,542 INFO L470 AbstractCegarLoop]: Abstraction has 8855 states and 11024 transitions. [2021-11-05 23:53:58,542 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) [2021-11-05 23:53:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 8855 states and 11024 transitions. [2021-11-05 23:53:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-05 23:53:58,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:53:58,543 INFO L514 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] [2021-11-05 23:53:58,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 23:53:58,543 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)] === [2021-11-05 23:53:58,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:53:58,544 INFO L85 PathProgramCache]: Analyzing trace with hash 744634921, now seen corresponding path program 1 times [2021-11-05 23:53:58,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:53:58,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393031520] [2021-11-05 23:53:58,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:53:58,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:53:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:53:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:53:58,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:53:58,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393031520] [2021-11-05 23:53:58,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393031520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:53:58,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:53:58,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:53:58,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470753394] [2021-11-05 23:53:58,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:53:58,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:53:58,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:53:58,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:53:58,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:53:58,859 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) [2021-11-05 23:53:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:53:59,149 INFO L93 Difference]: Finished difference Result 17664 states and 21850 transitions. [2021-11-05 23:53:59,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:53:59,152 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 [2021-11-05 23:53:59,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:53:59,179 INFO L225 Difference]: With dead ends: 17664 [2021-11-05 23:53:59,179 INFO L226 Difference]: Without dead ends: 10709 [2021-11-05 23:53:59,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:53:59,202 INFO L933 BasicCegarLoop]: 13206 mSDtfsCounter, 4347 mSDsluCounter, 22045 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4347 SdHoareTripleChecker+Valid, 35251 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.24ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.95ms IncrementalHoareTripleChecker+Time [2021-11-05 23:53:59,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4347 Valid, 35251 Invalid, 30 Unknown, 0 Unchecked, 23.24ms Time], IncrementalHoareTripleChecker [14 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 43.95ms Time] [2021-11-05 23:53:59,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10709 states. [2021-11-05 23:53:59,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10709 to 8857. [2021-11-05 23:53:59,414 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) [2021-11-05 23:53:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8857 states to 8857 states and 11026 transitions. [2021-11-05 23:53:59,433 INFO L78 Accepts]: Start accepts. Automaton has 8857 states and 11026 transitions. Word has length 27 [2021-11-05 23:53:59,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:53:59,434 INFO L470 AbstractCegarLoop]: Abstraction has 8857 states and 11026 transitions. [2021-11-05 23:53:59,434 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) [2021-11-05 23:53:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 8857 states and 11026 transitions. [2021-11-05 23:53:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-05 23:53:59,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:53:59,436 INFO L514 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] [2021-11-05 23:53:59,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 23:53:59,437 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)] === [2021-11-05 23:53:59,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:53:59,437 INFO L85 PathProgramCache]: Analyzing trace with hash -332613953, now seen corresponding path program 1 times [2021-11-05 23:53:59,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:53:59,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933474878] [2021-11-05 23:53:59,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:53:59,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:53:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:53:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:53:59,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:53:59,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933474878] [2021-11-05 23:53:59,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933474878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:53:59,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:53:59,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:53:59,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742453969] [2021-11-05 23:53:59,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:53:59,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:53:59,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:53:59,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:53:59,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:53:59,795 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) [2021-11-05 23:53:59,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:53:59,978 INFO L93 Difference]: Finished difference Result 8857 states and 11026 transitions. [2021-11-05 23:53:59,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:53:59,979 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 [2021-11-05 23:53:59,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:00,000 INFO L225 Difference]: With dead ends: 8857 [2021-11-05 23:54:00,000 INFO L226 Difference]: Without dead ends: 8853 [2021-11-05 23:54:00,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.16ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:00,007 INFO L933 BasicCegarLoop]: 11015 mSDtfsCounter, 11121 mSDsluCounter, 10889 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11121 SdHoareTripleChecker+Valid, 21904 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.49ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.12ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:00,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11121 Valid, 21904 Invalid, 6 Unknown, 0 Unchecked, 21.49ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.12ms Time] [2021-11-05 23:54:00,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8853 states. [2021-11-05 23:54:00,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8853 to 8853. [2021-11-05 23:54:00,310 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) [2021-11-05 23:54:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8853 states to 8853 states and 11022 transitions. [2021-11-05 23:54:00,325 INFO L78 Accepts]: Start accepts. Automaton has 8853 states and 11022 transitions. Word has length 29 [2021-11-05 23:54:00,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:00,325 INFO L470 AbstractCegarLoop]: Abstraction has 8853 states and 11022 transitions. [2021-11-05 23:54:00,325 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) [2021-11-05 23:54:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 8853 states and 11022 transitions. [2021-11-05 23:54:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-05 23:54:00,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:00,326 INFO L514 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] [2021-11-05 23:54:00,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 23:54:00,326 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)] === [2021-11-05 23:54:00,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:00,327 INFO L85 PathProgramCache]: Analyzing trace with hash -745077482, now seen corresponding path program 1 times [2021-11-05 23:54:00,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:00,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974820736] [2021-11-05 23:54:00,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:00,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:00,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:00,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974820736] [2021-11-05 23:54:00,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974820736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:00,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:00,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:00,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992671255] [2021-11-05 23:54:00,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:00,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:00,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:00,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:00,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:00,661 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) [2021-11-05 23:54:01,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:01,282 INFO L93 Difference]: Finished difference Result 11501 states and 14297 transitions. [2021-11-05 23:54:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:54:01,282 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 [2021-11-05 23:54:01,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:01,310 INFO L225 Difference]: With dead ends: 11501 [2021-11-05 23:54:01,310 INFO L226 Difference]: Without dead ends: 11467 [2021-11-05 23:54:01,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.35ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:01,319 INFO L933 BasicCegarLoop]: 12488 mSDtfsCounter, 16516 mSDsluCounter, 8523 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 250.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16517 SdHoareTripleChecker+Valid, 21011 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.05ms SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 306.51ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:01,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16517 Valid, 21011 Invalid, 301 Unknown, 0 Unchecked, 36.05ms Time], IncrementalHoareTripleChecker [100 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 306.51ms Time] [2021-11-05 23:54:01,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11467 states. [2021-11-05 23:54:01,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11467 to 10056. [2021-11-05 23:54:01,568 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) [2021-11-05 23:54:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 12639 transitions. [2021-11-05 23:54:01,591 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 12639 transitions. Word has length 29 [2021-11-05 23:54:01,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:01,593 INFO L470 AbstractCegarLoop]: Abstraction has 10056 states and 12639 transitions. [2021-11-05 23:54:01,593 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) [2021-11-05 23:54:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 12639 transitions. [2021-11-05 23:54:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-05 23:54:01,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:01,594 INFO L514 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] [2021-11-05 23:54:01,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 23:54:01,594 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)] === [2021-11-05 23:54:01,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:01,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1813591197, now seen corresponding path program 1 times [2021-11-05 23:54:01,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:01,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291076345] [2021-11-05 23:54:01,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:01,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:01,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:01,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291076345] [2021-11-05 23:54:01,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291076345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:01,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:01,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:01,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318650198] [2021-11-05 23:54:01,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:01,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:01,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:01,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:01,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:01,898 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) [2021-11-05 23:54:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:02,116 INFO L93 Difference]: Finished difference Result 10056 states and 12639 transitions. [2021-11-05 23:54:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:02,117 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 [2021-11-05 23:54:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:02,138 INFO L225 Difference]: With dead ends: 10056 [2021-11-05 23:54:02,139 INFO L226 Difference]: Without dead ends: 10052 [2021-11-05 23:54:02,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.10ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:02,146 INFO L933 BasicCegarLoop]: 10977 mSDtfsCounter, 11073 mSDsluCounter, 10859 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11073 SdHoareTripleChecker+Valid, 21836 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.59ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.49ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:02,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11073 Valid, 21836 Invalid, 6 Unknown, 0 Unchecked, 20.59ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.49ms Time] [2021-11-05 23:54:02,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10052 states. [2021-11-05 23:54:02,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10052 to 10052. [2021-11-05 23:54:02,387 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) [2021-11-05 23:54:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10052 states to 10052 states and 12635 transitions. [2021-11-05 23:54:02,408 INFO L78 Accepts]: Start accepts. Automaton has 10052 states and 12635 transitions. Word has length 31 [2021-11-05 23:54:02,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:02,409 INFO L470 AbstractCegarLoop]: Abstraction has 10052 states and 12635 transitions. [2021-11-05 23:54:02,409 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) [2021-11-05 23:54:02,409 INFO L276 IsEmpty]: Start isEmpty. Operand 10052 states and 12635 transitions. [2021-11-05 23:54:02,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-05 23:54:02,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:02,410 INFO L514 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] [2021-11-05 23:54:02,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 23:54:02,411 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)] === [2021-11-05 23:54:02,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:02,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1392450769, now seen corresponding path program 1 times [2021-11-05 23:54:02,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:02,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684913921] [2021-11-05 23:54:02,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:02,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:02,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:02,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684913921] [2021-11-05 23:54:02,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684913921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:02,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:02,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:54:02,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177206892] [2021-11-05 23:54:02,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:02,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:02,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:02,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:02,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:02,715 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) [2021-11-05 23:54:04,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:54:11,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:11,176 INFO L93 Difference]: Finished difference Result 20098 states and 25264 transitions. [2021-11-05 23:54:11,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:11,177 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 [2021-11-05 23:54:11,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:11,199 INFO L225 Difference]: With dead ends: 20098 [2021-11-05 23:54:11,200 INFO L226 Difference]: Without dead ends: 10062 [2021-11-05 23:54:11,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.33ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:11,221 INFO L933 BasicCegarLoop]: 10978 mSDtfsCounter, 10 mSDsluCounter, 20577 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7335.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 31555 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.75ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8008.72ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:11,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 31555 Invalid, 1399 Unknown, 0 Unchecked, 25.75ms Time], IncrementalHoareTripleChecker [1 Valid, 1397 Invalid, 1 Unknown, 0 Unchecked, 8008.72ms Time] [2021-11-05 23:54:11,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10062 states. [2021-11-05 23:54:11,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10062 to 10054. [2021-11-05 23:54:11,451 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) [2021-11-05 23:54:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10054 states to 10054 states and 12637 transitions. [2021-11-05 23:54:11,471 INFO L78 Accepts]: Start accepts. Automaton has 10054 states and 12637 transitions. Word has length 32 [2021-11-05 23:54:11,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:11,471 INFO L470 AbstractCegarLoop]: Abstraction has 10054 states and 12637 transitions. [2021-11-05 23:54:11,471 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) [2021-11-05 23:54:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 10054 states and 12637 transitions. [2021-11-05 23:54:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-05 23:54:11,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:11,472 INFO L514 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] [2021-11-05 23:54:11,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-05 23:54:11,473 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)] === [2021-11-05 23:54:11,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:11,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1133655445, now seen corresponding path program 1 times [2021-11-05 23:54:11,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:11,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061427243] [2021-11-05 23:54:11,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:11,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:11,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:11,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:11,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061427243] [2021-11-05 23:54:11,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061427243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:11,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:11,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 23:54:11,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675512220] [2021-11-05 23:54:11,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:11,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 23:54:11,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:11,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 23:54:11,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-05 23:54:11,844 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) [2021-11-05 23:54:13,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:54:17,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:54:22,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:22,336 INFO L93 Difference]: Finished difference Result 20110 states and 25281 transitions. [2021-11-05 23:54:22,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 23:54:22,339 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 [2021-11-05 23:54:22,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:22,364 INFO L225 Difference]: With dead ends: 20110 [2021-11-05 23:54:22,365 INFO L226 Difference]: Without dead ends: 10072 [2021-11-05 23:54:22,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.24ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-05 23:54:22,386 INFO L933 BasicCegarLoop]: 10977 mSDtfsCounter, 18 mSDsluCounter, 42515 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9319.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 53492 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.51ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10085.46ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:22,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 53492 Invalid, 1439 Unknown, 0 Unchecked, 36.51ms Time], IncrementalHoareTripleChecker [11 Valid, 1426 Invalid, 2 Unknown, 0 Unchecked, 10085.46ms Time] [2021-11-05 23:54:22,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10072 states. [2021-11-05 23:54:22,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10072 to 10068. [2021-11-05 23:54:22,629 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) [2021-11-05 23:54:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 12657 transitions. [2021-11-05 23:54:22,647 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 12657 transitions. Word has length 32 [2021-11-05 23:54:22,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:22,648 INFO L470 AbstractCegarLoop]: Abstraction has 10068 states and 12657 transitions. [2021-11-05 23:54:22,648 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) [2021-11-05 23:54:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 12657 transitions. [2021-11-05 23:54:22,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-05 23:54:22,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:22,650 INFO L514 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] [2021-11-05 23:54:22,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-05 23:54:22,650 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)] === [2021-11-05 23:54:22,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:22,650 INFO L85 PathProgramCache]: Analyzing trace with hash 896419943, now seen corresponding path program 1 times [2021-11-05 23:54:22,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:22,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10872722] [2021-11-05 23:54:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:22,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:23,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:23,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10872722] [2021-11-05 23:54:23,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10872722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:23,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:23,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:23,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179459945] [2021-11-05 23:54:23,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:23,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:23,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:23,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:23,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:23,004 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) [2021-11-05 23:54:23,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:23,232 INFO L93 Difference]: Finished difference Result 10068 states and 12657 transitions. [2021-11-05 23:54:23,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:23,232 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 [2021-11-05 23:54:23,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:23,254 INFO L225 Difference]: With dead ends: 10068 [2021-11-05 23:54:23,255 INFO L226 Difference]: Without dead ends: 10064 [2021-11-05 23:54:23,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.92ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:23,262 INFO L933 BasicCegarLoop]: 10973 mSDtfsCounter, 11059 mSDsluCounter, 10863 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11059 SdHoareTripleChecker+Valid, 21836 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.16ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.78ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:23,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11059 Valid, 21836 Invalid, 6 Unknown, 0 Unchecked, 19.16ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.78ms Time] [2021-11-05 23:54:23,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10064 states. [2021-11-05 23:54:23,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10064 to 10064. [2021-11-05 23:54:23,625 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) [2021-11-05 23:54:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10064 states to 10064 states and 12653 transitions. [2021-11-05 23:54:23,643 INFO L78 Accepts]: Start accepts. Automaton has 10064 states and 12653 transitions. Word has length 33 [2021-11-05 23:54:23,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:23,643 INFO L470 AbstractCegarLoop]: Abstraction has 10064 states and 12653 transitions. [2021-11-05 23:54:23,643 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) [2021-11-05 23:54:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 10064 states and 12653 transitions. [2021-11-05 23:54:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-05 23:54:23,644 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:23,644 INFO L514 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] [2021-11-05 23:54:23,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-05 23:54:23,644 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)] === [2021-11-05 23:54:23,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:23,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1835020453, now seen corresponding path program 1 times [2021-11-05 23:54:23,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:23,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261013463] [2021-11-05 23:54:23,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:23,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:24,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:24,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261013463] [2021-11-05 23:54:24,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261013463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:24,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:24,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:54:24,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365220297] [2021-11-05 23:54:24,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:24,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:24,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:24,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:24,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:24,019 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) [2021-11-05 23:54:24,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:24,238 INFO L93 Difference]: Finished difference Result 10110 states and 12711 transitions. [2021-11-05 23:54:24,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:54:24,239 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 [2021-11-05 23:54:24,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:24,261 INFO L225 Difference]: With dead ends: 10110 [2021-11-05 23:54:24,261 INFO L226 Difference]: Without dead ends: 10108 [2021-11-05 23:54:24,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:24,268 INFO L933 BasicCegarLoop]: 10980 mSDtfsCounter, 132 mSDsluCounter, 21914 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 32894 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.92ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.28ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:24,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 32894 Invalid, 8 Unknown, 0 Unchecked, 15.92ms Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 9.28ms Time] [2021-11-05 23:54:24,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10108 states. [2021-11-05 23:54:24,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10108 to 10066. [2021-11-05 23:54:24,531 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) [2021-11-05 23:54:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10066 states to 10066 states and 12655 transitions. [2021-11-05 23:54:24,549 INFO L78 Accepts]: Start accepts. Automaton has 10066 states and 12655 transitions. Word has length 34 [2021-11-05 23:54:24,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:24,550 INFO L470 AbstractCegarLoop]: Abstraction has 10066 states and 12655 transitions. [2021-11-05 23:54:24,550 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) [2021-11-05 23:54:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 10066 states and 12655 transitions. [2021-11-05 23:54:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-05 23:54:24,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:24,551 INFO L514 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] [2021-11-05 23:54:24,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-05 23:54:24,551 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)] === [2021-11-05 23:54:24,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1834960871, now seen corresponding path program 1 times [2021-11-05 23:54:24,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:24,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198394096] [2021-11-05 23:54:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:24,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:25,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:25,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198394096] [2021-11-05 23:54:25,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198394096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:25,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:25,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:25,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547944653] [2021-11-05 23:54:25,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:25,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:25,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:25,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:25,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:25,381 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) [2021-11-05 23:54:27,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:54:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:28,026 INFO L93 Difference]: Finished difference Result 20081 states and 25240 transitions. [2021-11-05 23:54:28,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:28,027 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 [2021-11-05 23:54:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:28,047 INFO L225 Difference]: With dead ends: 20081 [2021-11-05 23:54:28,047 INFO L226 Difference]: Without dead ends: 10030 [2021-11-05 23:54:28,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.70ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:28,067 INFO L933 BasicCegarLoop]: 10945 mSDtfsCounter, 10936 mSDsluCounter, 10860 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2263.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10936 SdHoareTripleChecker+Valid, 21805 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.55ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2343.73ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:28,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10936 Valid, 21805 Invalid, 91 Unknown, 0 Unchecked, 22.55ms Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 2343.73ms Time] [2021-11-05 23:54:28,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10030 states. [2021-11-05 23:54:28,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10030 to 10030. [2021-11-05 23:54:28,325 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) [2021-11-05 23:54:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10030 states to 10030 states and 12602 transitions. [2021-11-05 23:54:28,341 INFO L78 Accepts]: Start accepts. Automaton has 10030 states and 12602 transitions. Word has length 34 [2021-11-05 23:54:28,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:28,341 INFO L470 AbstractCegarLoop]: Abstraction has 10030 states and 12602 transitions. [2021-11-05 23:54:28,342 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) [2021-11-05 23:54:28,342 INFO L276 IsEmpty]: Start isEmpty. Operand 10030 states and 12602 transitions. [2021-11-05 23:54:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-05 23:54:28,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:28,342 INFO L514 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] [2021-11-05 23:54:28,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-05 23:54:28,343 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)] === [2021-11-05 23:54:28,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:28,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1828022837, now seen corresponding path program 1 times [2021-11-05 23:54:28,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:28,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988871457] [2021-11-05 23:54:28,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:28,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:28,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:28,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988871457] [2021-11-05 23:54:28,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988871457] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:28,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:28,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:28,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748151711] [2021-11-05 23:54:28,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:28,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:28,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:28,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:28,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:28,762 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) [2021-11-05 23:54:29,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:29,020 INFO L93 Difference]: Finished difference Result 10030 states and 12602 transitions. [2021-11-05 23:54:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:29,021 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 [2021-11-05 23:54:29,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:29,044 INFO L225 Difference]: With dead ends: 10030 [2021-11-05 23:54:29,044 INFO L226 Difference]: Without dead ends: 10026 [2021-11-05 23:54:29,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.92ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:29,053 INFO L933 BasicCegarLoop]: 10940 mSDtfsCounter, 11016 mSDsluCounter, 10838 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11016 SdHoareTripleChecker+Valid, 21778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.09ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.56ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:29,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11016 Valid, 21778 Invalid, 6 Unknown, 0 Unchecked, 19.09ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 9.56ms Time] [2021-11-05 23:54:29,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2021-11-05 23:54:29,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 10026. [2021-11-05 23:54:29,324 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) [2021-11-05 23:54:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10026 states to 10026 states and 12598 transitions. [2021-11-05 23:54:29,337 INFO L78 Accepts]: Start accepts. Automaton has 10026 states and 12598 transitions. Word has length 35 [2021-11-05 23:54:29,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:29,338 INFO L470 AbstractCegarLoop]: Abstraction has 10026 states and 12598 transitions. [2021-11-05 23:54:29,338 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) [2021-11-05 23:54:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 10026 states and 12598 transitions. [2021-11-05 23:54:29,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-05 23:54:29,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:29,338 INFO L514 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] [2021-11-05 23:54:29,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-05 23:54:29,339 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)] === [2021-11-05 23:54:29,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:29,339 INFO L85 PathProgramCache]: Analyzing trace with hash -87484498, now seen corresponding path program 1 times [2021-11-05 23:54:29,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:29,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704249519] [2021-11-05 23:54:29,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:29,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:29,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:29,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704249519] [2021-11-05 23:54:29,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704249519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:29,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:29,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:29,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162564525] [2021-11-05 23:54:29,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:29,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:29,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:29,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:29,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:29,661 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) [2021-11-05 23:54:29,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:29,924 INFO L93 Difference]: Finished difference Result 10026 states and 12598 transitions. [2021-11-05 23:54:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:29,925 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 [2021-11-05 23:54:29,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:29,942 INFO L225 Difference]: With dead ends: 10026 [2021-11-05 23:54:29,942 INFO L226 Difference]: Without dead ends: 10022 [2021-11-05 23:54:29,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.67ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:29,948 INFO L933 BasicCegarLoop]: 10936 mSDtfsCounter, 11002 mSDsluCounter, 10842 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11002 SdHoareTripleChecker+Valid, 21778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.86ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.51ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:29,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11002 Valid, 21778 Invalid, 6 Unknown, 0 Unchecked, 18.86ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.51ms Time] [2021-11-05 23:54:29,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10022 states. [2021-11-05 23:54:30,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10022 to 10022. [2021-11-05 23:54:30,224 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) [2021-11-05 23:54:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10022 states to 10022 states and 12594 transitions. [2021-11-05 23:54:30,239 INFO L78 Accepts]: Start accepts. Automaton has 10022 states and 12594 transitions. Word has length 37 [2021-11-05 23:54:30,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:30,239 INFO L470 AbstractCegarLoop]: Abstraction has 10022 states and 12594 transitions. [2021-11-05 23:54:30,240 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) [2021-11-05 23:54:30,240 INFO L276 IsEmpty]: Start isEmpty. Operand 10022 states and 12594 transitions. [2021-11-05 23:54:30,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-05 23:54:30,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:30,240 INFO L514 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] [2021-11-05 23:54:30,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-05 23:54:30,241 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)] === [2021-11-05 23:54:30,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:30,241 INFO L85 PathProgramCache]: Analyzing trace with hash -703190995, now seen corresponding path program 1 times [2021-11-05 23:54:30,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:30,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876879372] [2021-11-05 23:54:30,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:30,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:30,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:30,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:30,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876879372] [2021-11-05 23:54:30,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876879372] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:30,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:30,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:54:30,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240695467] [2021-11-05 23:54:30,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:30,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:30,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:30,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:30,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:30,567 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) [2021-11-05 23:54:32,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:54:33,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:33,415 INFO L93 Difference]: Finished difference Result 11694 states and 14564 transitions. [2021-11-05 23:54:33,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:54:33,416 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 [2021-11-05 23:54:33,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:33,432 INFO L225 Difference]: With dead ends: 11694 [2021-11-05 23:54:33,432 INFO L226 Difference]: Without dead ends: 11660 [2021-11-05 23:54:33,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.82ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:33,436 INFO L933 BasicCegarLoop]: 14411 mSDtfsCounter, 8700 mSDsluCounter, 19857 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 73 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2299.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8716 SdHoareTripleChecker+Valid, 34268 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.66ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2416.47ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:33,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8716 Valid, 34268 Invalid, 299 Unknown, 0 Unchecked, 25.66ms Time], IncrementalHoareTripleChecker [73 Valid, 225 Invalid, 1 Unknown, 0 Unchecked, 2416.47ms Time] [2021-11-05 23:54:33,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11660 states. [2021-11-05 23:54:33,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11660 to 9994. [2021-11-05 23:54:33,735 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) [2021-11-05 23:54:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9994 states to 9994 states and 12566 transitions. [2021-11-05 23:54:33,748 INFO L78 Accepts]: Start accepts. Automaton has 9994 states and 12566 transitions. Word has length 37 [2021-11-05 23:54:33,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:33,748 INFO L470 AbstractCegarLoop]: Abstraction has 9994 states and 12566 transitions. [2021-11-05 23:54:33,748 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) [2021-11-05 23:54:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 9994 states and 12566 transitions. [2021-11-05 23:54:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-05 23:54:33,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:33,749 INFO L514 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] [2021-11-05 23:54:33,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-05 23:54:33,749 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)] === [2021-11-05 23:54:33,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:33,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1827582450, now seen corresponding path program 1 times [2021-11-05 23:54:33,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:33,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533909875] [2021-11-05 23:54:33,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:33,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:34,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:34,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533909875] [2021-11-05 23:54:34,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533909875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:34,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:34,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:34,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870610324] [2021-11-05 23:54:34,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:34,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:34,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:34,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:34,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:34,064 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) [2021-11-05 23:54:34,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:34,361 INFO L93 Difference]: Finished difference Result 9994 states and 12566 transitions. [2021-11-05 23:54:34,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:34,362 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 [2021-11-05 23:54:34,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:34,378 INFO L225 Difference]: With dead ends: 9994 [2021-11-05 23:54:34,378 INFO L226 Difference]: Without dead ends: 9990 [2021-11-05 23:54:34,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:34,382 INFO L933 BasicCegarLoop]: 10900 mSDtfsCounter, 10956 mSDsluCounter, 10814 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10956 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.26ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.98ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:34,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10956 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 19.26ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.98ms Time] [2021-11-05 23:54:34,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9990 states. [2021-11-05 23:54:34,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9990 to 9990. [2021-11-05 23:54:34,687 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) [2021-11-05 23:54:34,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9990 states to 9990 states and 12562 transitions. [2021-11-05 23:54:34,702 INFO L78 Accepts]: Start accepts. Automaton has 9990 states and 12562 transitions. Word has length 39 [2021-11-05 23:54:34,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:34,702 INFO L470 AbstractCegarLoop]: Abstraction has 9990 states and 12562 transitions. [2021-11-05 23:54:34,702 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) [2021-11-05 23:54:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 9990 states and 12562 transitions. [2021-11-05 23:54:34,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-05 23:54:34,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:34,703 INFO L514 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] [2021-11-05 23:54:34,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-05 23:54:34,703 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)] === [2021-11-05 23:54:34,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:34,703 INFO L85 PathProgramCache]: Analyzing trace with hash -334050154, now seen corresponding path program 1 times [2021-11-05 23:54:34,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:34,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15517053] [2021-11-05 23:54:34,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:34,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:35,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:35,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15517053] [2021-11-05 23:54:35,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15517053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:35,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:35,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:35,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251788860] [2021-11-05 23:54:35,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:35,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:35,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:35,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:35,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:35,021 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) [2021-11-05 23:54:35,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:35,436 INFO L93 Difference]: Finished difference Result 9990 states and 12562 transitions. [2021-11-05 23:54:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:35,436 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 [2021-11-05 23:54:35,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:35,449 INFO L225 Difference]: With dead ends: 9990 [2021-11-05 23:54:35,449 INFO L226 Difference]: Without dead ends: 9986 [2021-11-05 23:54:35,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.52ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:35,452 INFO L933 BasicCegarLoop]: 10896 mSDtfsCounter, 10942 mSDsluCounter, 10818 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10942 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.00ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.45ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:35,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10942 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 19.00ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 9.45ms Time] [2021-11-05 23:54:35,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9986 states. [2021-11-05 23:54:35,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9986 to 9986. [2021-11-05 23:54:35,747 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) [2021-11-05 23:54:35,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9986 states to 9986 states and 12558 transitions. [2021-11-05 23:54:35,761 INFO L78 Accepts]: Start accepts. Automaton has 9986 states and 12558 transitions. Word has length 41 [2021-11-05 23:54:35,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:35,761 INFO L470 AbstractCegarLoop]: Abstraction has 9986 states and 12558 transitions. [2021-11-05 23:54:35,761 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) [2021-11-05 23:54:35,761 INFO L276 IsEmpty]: Start isEmpty. Operand 9986 states and 12558 transitions. [2021-11-05 23:54:35,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-05 23:54:35,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:35,761 INFO L514 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] [2021-11-05 23:54:35,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-05 23:54:35,762 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)] === [2021-11-05 23:54:35,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:35,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1101189018, now seen corresponding path program 1 times [2021-11-05 23:54:35,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:35,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524081737] [2021-11-05 23:54:35,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:35,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:36,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:36,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:36,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524081737] [2021-11-05 23:54:36,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524081737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:36,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:36,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:36,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704391210] [2021-11-05 23:54:36,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:36,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:36,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:36,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:36,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:36,092 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) [2021-11-05 23:54:36,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:36,421 INFO L93 Difference]: Finished difference Result 9986 states and 12558 transitions. [2021-11-05 23:54:36,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:36,422 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 [2021-11-05 23:54:36,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:36,438 INFO L225 Difference]: With dead ends: 9986 [2021-11-05 23:54:36,438 INFO L226 Difference]: Without dead ends: 9982 [2021-11-05 23:54:36,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:36,442 INFO L933 BasicCegarLoop]: 10892 mSDtfsCounter, 10928 mSDsluCounter, 10822 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10928 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.48ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.51ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:36,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10928 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 20.48ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.51ms Time] [2021-11-05 23:54:36,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9982 states. [2021-11-05 23:54:36,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9982 to 9982. [2021-11-05 23:54:36,754 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) [2021-11-05 23:54:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 12554 transitions. [2021-11-05 23:54:36,769 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 12554 transitions. Word has length 43 [2021-11-05 23:54:36,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:36,769 INFO L470 AbstractCegarLoop]: Abstraction has 9982 states and 12554 transitions. [2021-11-05 23:54:36,769 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) [2021-11-05 23:54:36,770 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 12554 transitions. [2021-11-05 23:54:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-05 23:54:36,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:36,770 INFO L514 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] [2021-11-05 23:54:36,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-05 23:54:36,771 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)] === [2021-11-05 23:54:36,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:36,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1681531646, now seen corresponding path program 1 times [2021-11-05 23:54:36,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:36,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047588918] [2021-11-05 23:54:36,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:36,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:37,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:37,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047588918] [2021-11-05 23:54:37,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047588918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:37,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:37,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:37,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496702149] [2021-11-05 23:54:37,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:37,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:37,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:37,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:37,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:37,092 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) [2021-11-05 23:54:37,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:37,521 INFO L93 Difference]: Finished difference Result 9982 states and 12554 transitions. [2021-11-05 23:54:37,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:37,521 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 [2021-11-05 23:54:37,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:37,535 INFO L225 Difference]: With dead ends: 9982 [2021-11-05 23:54:37,535 INFO L226 Difference]: Without dead ends: 9978 [2021-11-05 23:54:37,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.35ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:37,539 INFO L933 BasicCegarLoop]: 10888 mSDtfsCounter, 10914 mSDsluCounter, 10826 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10914 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.13ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.08ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:37,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10914 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 20.13ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.08ms Time] [2021-11-05 23:54:37,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9978 states. [2021-11-05 23:54:37,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9978 to 9978. [2021-11-05 23:54:37,861 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) [2021-11-05 23:54:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9978 states to 9978 states and 12550 transitions. [2021-11-05 23:54:37,874 INFO L78 Accepts]: Start accepts. Automaton has 9978 states and 12550 transitions. Word has length 45 [2021-11-05 23:54:37,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:37,875 INFO L470 AbstractCegarLoop]: Abstraction has 9978 states and 12550 transitions. [2021-11-05 23:54:37,875 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) [2021-11-05 23:54:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 9978 states and 12550 transitions. [2021-11-05 23:54:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-05 23:54:37,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:37,875 INFO L514 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] [2021-11-05 23:54:37,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-05 23:54:37,876 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)] === [2021-11-05 23:54:37,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:37,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1045049026, now seen corresponding path program 1 times [2021-11-05 23:54:37,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:37,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725805303] [2021-11-05 23:54:37,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:37,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:38,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:38,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725805303] [2021-11-05 23:54:38,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725805303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:38,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:38,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:38,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063521639] [2021-11-05 23:54:38,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:38,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:38,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:38,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:38,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:38,164 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) [2021-11-05 23:54:38,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:38,499 INFO L93 Difference]: Finished difference Result 9978 states and 12550 transitions. [2021-11-05 23:54:38,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:38,500 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 [2021-11-05 23:54:38,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:38,514 INFO L225 Difference]: With dead ends: 9978 [2021-11-05 23:54:38,514 INFO L226 Difference]: Without dead ends: 9974 [2021-11-05 23:54:38,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.72ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:38,519 INFO L933 BasicCegarLoop]: 10884 mSDtfsCounter, 10900 mSDsluCounter, 10830 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10900 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.38ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.93ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:38,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10900 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 19.38ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.93ms Time] [2021-11-05 23:54:38,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9974 states. [2021-11-05 23:54:38,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9974 to 9974. [2021-11-05 23:54:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9974 states, 9634 states have (on average 1.290844924226697) internal successors, (12436), 9921 states have internal predecessors, (12436), 50 states have call successors, (50), 25 states have call predecessors, (50), 25 states have return successors, (60), 45 states have call predecessors, (60), 50 states have call successors, (60) [2021-11-05 23:54:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9974 states to 9974 states and 12546 transitions. [2021-11-05 23:54:38,869 INFO L78 Accepts]: Start accepts. Automaton has 9974 states and 12546 transitions. Word has length 47 [2021-11-05 23:54:38,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:38,870 INFO L470 AbstractCegarLoop]: Abstraction has 9974 states and 12546 transitions. [2021-11-05 23:54:38,870 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) [2021-11-05 23:54:38,870 INFO L276 IsEmpty]: Start isEmpty. Operand 9974 states and 12546 transitions. [2021-11-05 23:54:38,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-05 23:54:38,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:38,871 INFO L514 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] [2021-11-05 23:54:38,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-05 23:54:38,871 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)] === [2021-11-05 23:54:38,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:38,871 INFO L85 PathProgramCache]: Analyzing trace with hash -729392410, now seen corresponding path program 1 times [2021-11-05 23:54:38,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:38,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58303841] [2021-11-05 23:54:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:38,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:39,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:39,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:39,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58303841] [2021-11-05 23:54:39,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58303841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:39,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:39,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:39,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586102768] [2021-11-05 23:54:39,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:39,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:39,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:39,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:39,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:39,235 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) [2021-11-05 23:54:39,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:39,608 INFO L93 Difference]: Finished difference Result 9974 states and 12546 transitions. [2021-11-05 23:54:39,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:39,609 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 [2021-11-05 23:54:39,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:39,622 INFO L225 Difference]: With dead ends: 9974 [2021-11-05 23:54:39,622 INFO L226 Difference]: Without dead ends: 9970 [2021-11-05 23:54:39,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:39,626 INFO L933 BasicCegarLoop]: 10880 mSDtfsCounter, 10886 mSDsluCounter, 10834 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10886 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.65ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.38ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:39,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10886 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 19.65ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.38ms Time] [2021-11-05 23:54:39,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9970 states. [2021-11-05 23:54:39,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9970 to 9970. [2021-11-05 23:54:39,976 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) [2021-11-05 23:54:39,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 12542 transitions. [2021-11-05 23:54:39,990 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 12542 transitions. Word has length 49 [2021-11-05 23:54:39,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:39,990 INFO L470 AbstractCegarLoop]: Abstraction has 9970 states and 12542 transitions. [2021-11-05 23:54:39,991 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) [2021-11-05 23:54:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 12542 transitions. [2021-11-05 23:54:39,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-05 23:54:39,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:39,991 INFO L514 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] [2021-11-05 23:54:39,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-05 23:54:39,992 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)] === [2021-11-05 23:54:39,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:39,992 INFO L85 PathProgramCache]: Analyzing trace with hash -865595542, now seen corresponding path program 1 times [2021-11-05 23:54:39,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:39,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092912624] [2021-11-05 23:54:39,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:39,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:40,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:40,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092912624] [2021-11-05 23:54:40,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092912624] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:40,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:40,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:40,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915658051] [2021-11-05 23:54:40,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:40,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:40,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:40,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:40,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:40,593 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) [2021-11-05 23:54:41,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:41,069 INFO L93 Difference]: Finished difference Result 9970 states and 12542 transitions. [2021-11-05 23:54:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:41,070 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 [2021-11-05 23:54:41,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:41,083 INFO L225 Difference]: With dead ends: 9970 [2021-11-05 23:54:41,083 INFO L226 Difference]: Without dead ends: 9966 [2021-11-05 23:54:41,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.94ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:41,087 INFO L933 BasicCegarLoop]: 10876 mSDtfsCounter, 10872 mSDsluCounter, 10838 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10872 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.33ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.38ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:41,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10872 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 19.33ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.38ms Time] [2021-11-05 23:54:41,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9966 states. [2021-11-05 23:54:41,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9966 to 9966. [2021-11-05 23:54:41,451 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) [2021-11-05 23:54:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 12538 transitions. [2021-11-05 23:54:41,464 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 12538 transitions. Word has length 51 [2021-11-05 23:54:41,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:41,464 INFO L470 AbstractCegarLoop]: Abstraction has 9966 states and 12538 transitions. [2021-11-05 23:54:41,464 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) [2021-11-05 23:54:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 12538 transitions. [2021-11-05 23:54:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-05 23:54:41,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:41,465 INFO L514 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] [2021-11-05 23:54:41,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-05 23:54:41,465 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)] === [2021-11-05 23:54:41,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:41,465 INFO L85 PathProgramCache]: Analyzing trace with hash -213682513, now seen corresponding path program 1 times [2021-11-05 23:54:41,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:41,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415485839] [2021-11-05 23:54:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:41,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:41,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:41,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415485839] [2021-11-05 23:54:41,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415485839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:41,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:41,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:41,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145660735] [2021-11-05 23:54:41,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:41,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:41,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:41,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:41,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:41,778 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) [2021-11-05 23:54:42,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:42,439 INFO L93 Difference]: Finished difference Result 11258 states and 14043 transitions. [2021-11-05 23:54:42,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:54:42,440 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 [2021-11-05 23:54:42,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:42,456 INFO L225 Difference]: With dead ends: 11258 [2021-11-05 23:54:42,456 INFO L226 Difference]: Without dead ends: 11250 [2021-11-05 23:54:42,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.98ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:42,460 INFO L933 BasicCegarLoop]: 12335 mSDtfsCounter, 16899 mSDsluCounter, 6184 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 152.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16899 SdHoareTripleChecker+Valid, 18519 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.58ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 181.33ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:42,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16899 Valid, 18519 Invalid, 161 Unknown, 0 Unchecked, 23.58ms Time], IncrementalHoareTripleChecker [63 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 181.33ms Time] [2021-11-05 23:54:42,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11250 states. [2021-11-05 23:54:42,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11250 to 9958. [2021-11-05 23:54:42,965 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) [2021-11-05 23:54:42,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 12530 transitions. [2021-11-05 23:54:42,977 INFO L78 Accepts]: Start accepts. Automaton has 9958 states and 12530 transitions. Word has length 51 [2021-11-05 23:54:42,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:42,977 INFO L470 AbstractCegarLoop]: Abstraction has 9958 states and 12530 transitions. [2021-11-05 23:54:42,977 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) [2021-11-05 23:54:42,977 INFO L276 IsEmpty]: Start isEmpty. Operand 9958 states and 12530 transitions. [2021-11-05 23:54:42,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-05 23:54:42,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:42,978 INFO L514 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] [2021-11-05 23:54:42,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-05 23:54:42,978 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)] === [2021-11-05 23:54:42,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:42,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1387181134, now seen corresponding path program 1 times [2021-11-05 23:54:42,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:42,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709167715] [2021-11-05 23:54:42,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:42,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:43,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:43,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:43,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709167715] [2021-11-05 23:54:43,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709167715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:43,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:43,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:43,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157534256] [2021-11-05 23:54:43,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:43,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:43,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:43,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:43,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:43,268 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) [2021-11-05 23:54:43,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:43,667 INFO L93 Difference]: Finished difference Result 9958 states and 12530 transitions. [2021-11-05 23:54:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:43,667 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 [2021-11-05 23:54:43,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:43,682 INFO L225 Difference]: With dead ends: 9958 [2021-11-05 23:54:43,682 INFO L226 Difference]: Without dead ends: 9954 [2021-11-05 23:54:43,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.12ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:43,686 INFO L933 BasicCegarLoop]: 10864 mSDtfsCounter, 10850 mSDsluCounter, 10834 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10850 SdHoareTripleChecker+Valid, 21698 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.41ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.31ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:43,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10850 Valid, 21698 Invalid, 6 Unknown, 0 Unchecked, 19.41ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.31ms Time] [2021-11-05 23:54:43,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9954 states. [2021-11-05 23:54:44,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9954 to 9954. [2021-11-05 23:54:44,075 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) [2021-11-05 23:54:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9954 states to 9954 states and 12526 transitions. [2021-11-05 23:54:44,090 INFO L78 Accepts]: Start accepts. Automaton has 9954 states and 12526 transitions. Word has length 53 [2021-11-05 23:54:44,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:44,090 INFO L470 AbstractCegarLoop]: Abstraction has 9954 states and 12526 transitions. [2021-11-05 23:54:44,090 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) [2021-11-05 23:54:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 9954 states and 12526 transitions. [2021-11-05 23:54:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-05 23:54:44,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:44,091 INFO L514 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] [2021-11-05 23:54:44,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-05 23:54:44,091 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)] === [2021-11-05 23:54:44,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:44,091 INFO L85 PathProgramCache]: Analyzing trace with hash 560018832, now seen corresponding path program 1 times [2021-11-05 23:54:44,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:44,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354667524] [2021-11-05 23:54:44,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:44,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:44,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:44,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354667524] [2021-11-05 23:54:44,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354667524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:44,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:44,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 23:54:44,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909315196] [2021-11-05 23:54:44,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:44,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:54:44,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:44,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:54:44,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:44,705 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) [2021-11-05 23:54:45,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:45,692 INFO L93 Difference]: Finished difference Result 21575 states and 26912 transitions. [2021-11-05 23:54:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 23:54:45,693 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 [2021-11-05 23:54:45,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:45,719 INFO L225 Difference]: With dead ends: 21575 [2021-11-05 23:54:45,719 INFO L226 Difference]: Without dead ends: 13481 [2021-11-05 23:54:45,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.06ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:54:45,737 INFO L933 BasicCegarLoop]: 12969 mSDtfsCounter, 8333 mSDsluCounter, 36762 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8340 SdHoareTripleChecker+Valid, 49731 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.33ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.89ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:45,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8340 Valid, 49731 Invalid, 64 Unknown, 0 Unchecked, 33.33ms Time], IncrementalHoareTripleChecker [22 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 62.89ms Time] [2021-11-05 23:54:45,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13481 states. [2021-11-05 23:54:46,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13481 to 9957. [2021-11-05 23:54:46,196 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) [2021-11-05 23:54:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9957 states to 9957 states and 12529 transitions. [2021-11-05 23:54:46,210 INFO L78 Accepts]: Start accepts. Automaton has 9957 states and 12529 transitions. Word has length 54 [2021-11-05 23:54:46,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:46,211 INFO L470 AbstractCegarLoop]: Abstraction has 9957 states and 12529 transitions. [2021-11-05 23:54:46,211 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) [2021-11-05 23:54:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 9957 states and 12529 transitions. [2021-11-05 23:54:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-05 23:54:46,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:46,211 INFO L514 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] [2021-11-05 23:54:46,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-05 23:54:46,212 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)] === [2021-11-05 23:54:46,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:46,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1642049938, now seen corresponding path program 1 times [2021-11-05 23:54:46,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:46,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584587015] [2021-11-05 23:54:46,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:46,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:46,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:46,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584587015] [2021-11-05 23:54:46,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584587015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:46,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:46,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:46,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493357547] [2021-11-05 23:54:46,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:46,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:46,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:46,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:46,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:46,507 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) [2021-11-05 23:54:47,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:47,063 INFO L93 Difference]: Finished difference Result 9957 states and 12529 transitions. [2021-11-05 23:54:47,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:47,064 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 [2021-11-05 23:54:47,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:47,075 INFO L225 Difference]: With dead ends: 9957 [2021-11-05 23:54:47,076 INFO L226 Difference]: Without dead ends: 9953 [2021-11-05 23:54:47,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.66ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:47,077 INFO L933 BasicCegarLoop]: 10860 mSDtfsCounter, 10836 mSDsluCounter, 10838 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10836 SdHoareTripleChecker+Valid, 21698 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.50ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.42ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:47,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10836 Valid, 21698 Invalid, 6 Unknown, 0 Unchecked, 34.50ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.42ms Time] [2021-11-05 23:54:47,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9953 states. [2021-11-05 23:54:47,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9953 to 9953. [2021-11-05 23:54:47,501 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) [2021-11-05 23:54:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9953 states to 9953 states and 12525 transitions. [2021-11-05 23:54:47,516 INFO L78 Accepts]: Start accepts. Automaton has 9953 states and 12525 transitions. Word has length 55 [2021-11-05 23:54:47,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:47,516 INFO L470 AbstractCegarLoop]: Abstraction has 9953 states and 12525 transitions. [2021-11-05 23:54:47,516 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) [2021-11-05 23:54:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 9953 states and 12525 transitions. [2021-11-05 23:54:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 23:54:47,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:47,517 INFO L514 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] [2021-11-05 23:54:47,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-05 23:54:47,517 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)] === [2021-11-05 23:54:47,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:47,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1757835062, now seen corresponding path program 1 times [2021-11-05 23:54:47,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:47,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58877127] [2021-11-05 23:54:47,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:47,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:47,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:47,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58877127] [2021-11-05 23:54:47,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58877127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:47,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:47,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:47,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871721246] [2021-11-05 23:54:47,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:47,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:47,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:47,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:47,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:47,804 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) [2021-11-05 23:54:48,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:48,266 INFO L93 Difference]: Finished difference Result 9953 states and 12525 transitions. [2021-11-05 23:54:48,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:48,266 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 [2021-11-05 23:54:48,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:48,281 INFO L225 Difference]: With dead ends: 9953 [2021-11-05 23:54:48,281 INFO L226 Difference]: Without dead ends: 9949 [2021-11-05 23:54:48,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.09ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:48,285 INFO L933 BasicCegarLoop]: 10856 mSDtfsCounter, 10822 mSDsluCounter, 10842 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10822 SdHoareTripleChecker+Valid, 21698 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.49ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.75ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:48,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10822 Valid, 21698 Invalid, 6 Unknown, 0 Unchecked, 20.49ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.75ms Time] [2021-11-05 23:54:48,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9949 states. [2021-11-05 23:54:48,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9949 to 9949. [2021-11-05 23:54:48,827 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) [2021-11-05 23:54:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9949 states to 9949 states and 12521 transitions. [2021-11-05 23:54:48,840 INFO L78 Accepts]: Start accepts. Automaton has 9949 states and 12521 transitions. Word has length 57 [2021-11-05 23:54:48,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:48,841 INFO L470 AbstractCegarLoop]: Abstraction has 9949 states and 12521 transitions. [2021-11-05 23:54:48,841 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) [2021-11-05 23:54:48,841 INFO L276 IsEmpty]: Start isEmpty. Operand 9949 states and 12521 transitions. [2021-11-05 23:54:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-05 23:54:48,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:48,842 INFO L514 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] [2021-11-05 23:54:48,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-05 23:54:48,842 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)] === [2021-11-05 23:54:48,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:48,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1358189882, now seen corresponding path program 1 times [2021-11-05 23:54:48,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:48,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35114793] [2021-11-05 23:54:48,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:48,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:49,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:49,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35114793] [2021-11-05 23:54:49,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35114793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:49,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:49,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:49,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826325336] [2021-11-05 23:54:49,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:49,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:49,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:49,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:49,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:49,118 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) [2021-11-05 23:54:49,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:49,572 INFO L93 Difference]: Finished difference Result 9949 states and 12521 transitions. [2021-11-05 23:54:49,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:49,572 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 [2021-11-05 23:54:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:49,587 INFO L225 Difference]: With dead ends: 9949 [2021-11-05 23:54:49,587 INFO L226 Difference]: Without dead ends: 9945 [2021-11-05 23:54:49,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.84ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:49,590 INFO L933 BasicCegarLoop]: 10852 mSDtfsCounter, 10808 mSDsluCounter, 10846 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10808 SdHoareTripleChecker+Valid, 21698 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.87ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.76ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:49,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10808 Valid, 21698 Invalid, 6 Unknown, 0 Unchecked, 19.87ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.76ms Time] [2021-11-05 23:54:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9945 states. [2021-11-05 23:54:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9945 to 9945. [2021-11-05 23:54:50,043 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) [2021-11-05 23:54:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9945 states to 9945 states and 12517 transitions. [2021-11-05 23:54:50,062 INFO L78 Accepts]: Start accepts. Automaton has 9945 states and 12517 transitions. Word has length 59 [2021-11-05 23:54:50,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:50,062 INFO L470 AbstractCegarLoop]: Abstraction has 9945 states and 12517 transitions. [2021-11-05 23:54:50,062 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) [2021-11-05 23:54:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 9945 states and 12517 transitions. [2021-11-05 23:54:50,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-05 23:54:50,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:50,063 INFO L514 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] [2021-11-05 23:54:50,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-05 23:54:50,063 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)] === [2021-11-05 23:54:50,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:50,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1008298393, now seen corresponding path program 1 times [2021-11-05 23:54:50,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:50,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826794694] [2021-11-05 23:54:50,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:50,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:50,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:50,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826794694] [2021-11-05 23:54:50,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826794694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:50,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:50,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:54:50,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125921417] [2021-11-05 23:54:50,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:50,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:50,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:50,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:50,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:50,344 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) [2021-11-05 23:54:52,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:54:53,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:53,303 INFO L93 Difference]: Finished difference Result 11493 states and 14363 transitions. [2021-11-05 23:54:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:54:53,303 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 [2021-11-05 23:54:53,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:53,320 INFO L225 Difference]: With dead ends: 11493 [2021-11-05 23:54:53,320 INFO L226 Difference]: Without dead ends: 11485 [2021-11-05 23:54:53,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.78ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:53,324 INFO L933 BasicCegarLoop]: 12663 mSDtfsCounter, 6379 mSDsluCounter, 18799 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2211.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6396 SdHoareTripleChecker+Valid, 31462 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.27ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2290.60ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:53,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6396 Valid, 31462 Invalid, 126 Unknown, 0 Unchecked, 23.27ms Time], IncrementalHoareTripleChecker [31 Valid, 94 Invalid, 1 Unknown, 0 Unchecked, 2290.60ms Time] [2021-11-05 23:54:53,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11485 states. [2021-11-05 23:54:53,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11485 to 9937. [2021-11-05 23:54:53,784 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) [2021-11-05 23:54:53,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 12509 transitions. [2021-11-05 23:54:53,797 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 12509 transitions. Word has length 59 [2021-11-05 23:54:53,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:53,798 INFO L470 AbstractCegarLoop]: Abstraction has 9937 states and 12509 transitions. [2021-11-05 23:54:53,798 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) [2021-11-05 23:54:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 12509 transitions. [2021-11-05 23:54:53,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-05 23:54:53,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:53,799 INFO L514 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] [2021-11-05 23:54:53,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-05 23:54:53,799 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)] === [2021-11-05 23:54:53,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:53,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1764434659, now seen corresponding path program 1 times [2021-11-05 23:54:53,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:53,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359667740] [2021-11-05 23:54:53,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:53,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:54,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:54,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359667740] [2021-11-05 23:54:54,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359667740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:54,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:54,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:54:54,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222133352] [2021-11-05 23:54:54,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:54,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:54:54,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:54,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:54:54,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:54,315 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) [2021-11-05 23:54:55,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:55,687 INFO L93 Difference]: Finished difference Result 22375 states and 28090 transitions. [2021-11-05 23:54:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 23:54:55,688 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 [2021-11-05 23:54:55,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:55,709 INFO L225 Difference]: With dead ends: 22375 [2021-11-05 23:54:55,709 INFO L226 Difference]: Without dead ends: 12482 [2021-11-05 23:54:55,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 22.31ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 23:54:55,727 INFO L933 BasicCegarLoop]: 13721 mSDtfsCounter, 22830 mSDsluCounter, 15442 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 359.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22830 SdHoareTripleChecker+Valid, 29163 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.17ms SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 421.87ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:55,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22830 Valid, 29163 Invalid, 537 Unknown, 0 Unchecked, 39.17ms Time], IncrementalHoareTripleChecker [227 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 421.87ms Time] [2021-11-05 23:54:55,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12482 states. [2021-11-05 23:54:56,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12482 to 9937. [2021-11-05 23:54:56,263 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) [2021-11-05 23:54:56,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 12460 transitions. [2021-11-05 23:54:56,283 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 12460 transitions. Word has length 60 [2021-11-05 23:54:56,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:56,283 INFO L470 AbstractCegarLoop]: Abstraction has 9937 states and 12460 transitions. [2021-11-05 23:54:56,283 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) [2021-11-05 23:54:56,283 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 12460 transitions. [2021-11-05 23:54:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-05 23:54:56,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:56,284 INFO L514 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] [2021-11-05 23:54:56,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-05 23:54:56,285 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)] === [2021-11-05 23:54:56,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:56,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1764375077, now seen corresponding path program 1 times [2021-11-05 23:54:56,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:56,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188847281] [2021-11-05 23:54:56,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:56,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:56,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:56,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188847281] [2021-11-05 23:54:56,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188847281] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:56,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:56,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:54:56,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531677642] [2021-11-05 23:54:56,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:56,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:56,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:56,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:56,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:56,606 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) [2021-11-05 23:54:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:57,836 INFO L93 Difference]: Finished difference Result 12521 states and 15620 transitions. [2021-11-05 23:54:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:54:57,837 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 [2021-11-05 23:54:57,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:57,861 INFO L225 Difference]: With dead ends: 12521 [2021-11-05 23:54:57,862 INFO L226 Difference]: Without dead ends: 12423 [2021-11-05 23:54:57,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.25ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:57,869 INFO L933 BasicCegarLoop]: 13740 mSDtfsCounter, 12024 mSDsluCounter, 15413 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 349.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12024 SdHoareTripleChecker+Valid, 29153 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.81ms SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 415.65ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:57,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12024 Valid, 29153 Invalid, 387 Unknown, 0 Unchecked, 28.81ms Time], IncrementalHoareTripleChecker [214 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 415.65ms Time] [2021-11-05 23:54:57,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12423 states. [2021-11-05 23:54:58,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12423 to 9839. [2021-11-05 23:54:58,434 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) [2021-11-05 23:54:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9839 states to 9839 states and 12362 transitions. [2021-11-05 23:54:58,453 INFO L78 Accepts]: Start accepts. Automaton has 9839 states and 12362 transitions. Word has length 60 [2021-11-05 23:54:58,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:54:58,453 INFO L470 AbstractCegarLoop]: Abstraction has 9839 states and 12362 transitions. [2021-11-05 23:54:58,453 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) [2021-11-05 23:54:58,454 INFO L276 IsEmpty]: Start isEmpty. Operand 9839 states and 12362 transitions. [2021-11-05 23:54:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-05 23:54:58,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:54:58,454 INFO L514 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] [2021-11-05 23:54:58,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-05 23:54:58,455 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)] === [2021-11-05 23:54:58,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:54:58,455 INFO L85 PathProgramCache]: Analyzing trace with hash -448738402, now seen corresponding path program 1 times [2021-11-05 23:54:58,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:54:58,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570904853] [2021-11-05 23:54:58,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:54:58,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:54:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:54:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:54:58,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:54:58,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570904853] [2021-11-05 23:54:58,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570904853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:54:58,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:54:58,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:54:58,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215660819] [2021-11-05 23:54:58,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:54:58,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:54:58,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:54:58,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:54:58,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:54:58,819 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) [2021-11-05 23:54:59,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:54:59,443 INFO L93 Difference]: Finished difference Result 9839 states and 12362 transitions. [2021-11-05 23:54:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:54:59,443 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 [2021-11-05 23:54:59,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:54:59,458 INFO L225 Difference]: With dead ends: 9839 [2021-11-05 23:54:59,459 INFO L226 Difference]: Without dead ends: 9434 [2021-11-05 23:54:59,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:54:59,464 INFO L933 BasicCegarLoop]: 10695 mSDtfsCounter, 10639 mSDsluCounter, 10695 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10639 SdHoareTripleChecker+Valid, 21390 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.63ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.88ms IncrementalHoareTripleChecker+Time [2021-11-05 23:54:59,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10639 Valid, 21390 Invalid, 4 Unknown, 0 Unchecked, 21.63ms Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.88ms Time] [2021-11-05 23:54:59,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9434 states. [2021-11-05 23:54:59,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9434 to 9434. [2021-11-05 23:54:59,983 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) [2021-11-05 23:54:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9434 states to 9434 states and 11926 transitions. [2021-11-05 23:54:59,999 INFO L78 Accepts]: Start accepts. Automaton has 9434 states and 11926 transitions. Word has length 61 [2021-11-05 23:55:00,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:00,000 INFO L470 AbstractCegarLoop]: Abstraction has 9434 states and 11926 transitions. [2021-11-05 23:55:00,000 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) [2021-11-05 23:55:00,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9434 states and 11926 transitions. [2021-11-05 23:55:00,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-05 23:55:00,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:00,001 INFO L514 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] [2021-11-05 23:55:00,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-05 23:55:00,002 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)] === [2021-11-05 23:55:00,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:00,002 INFO L85 PathProgramCache]: Analyzing trace with hash -661837717, now seen corresponding path program 1 times [2021-11-05 23:55:00,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:00,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446764069] [2021-11-05 23:55:00,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:00,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:00,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:00,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446764069] [2021-11-05 23:55:00,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446764069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:00,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:00,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 23:55:00,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694432870] [2021-11-05 23:55:00,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:00,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:55:00,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:00,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:55:00,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:00,326 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) [2021-11-05 23:55:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:01,070 INFO L93 Difference]: Finished difference Result 18601 states and 23637 transitions. [2021-11-05 23:55:01,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:55:01,071 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 [2021-11-05 23:55:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:01,091 INFO L225 Difference]: With dead ends: 18601 [2021-11-05 23:55:01,092 INFO L226 Difference]: Without dead ends: 8950 [2021-11-05 23:55:01,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.18ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:01,114 INFO L933 BasicCegarLoop]: 9895 mSDtfsCounter, 9909 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9909 SdHoareTripleChecker+Valid, 9895 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.38ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 169.09ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:01,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9909 Valid, 9895 Invalid, 147 Unknown, 0 Unchecked, 13.38ms Time], IncrementalHoareTripleChecker [73 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 169.09ms Time] [2021-11-05 23:55:01,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8950 states. [2021-11-05 23:55:01,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8950 to 8950. [2021-11-05 23:55:01,694 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) [2021-11-05 23:55:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8950 states to 8950 states and 11318 transitions. [2021-11-05 23:55:01,712 INFO L78 Accepts]: Start accepts. Automaton has 8950 states and 11318 transitions. Word has length 63 [2021-11-05 23:55:01,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:01,712 INFO L470 AbstractCegarLoop]: Abstraction has 8950 states and 11318 transitions. [2021-11-05 23:55:01,712 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) [2021-11-05 23:55:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 8950 states and 11318 transitions. [2021-11-05 23:55:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-05 23:55:01,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:01,714 INFO L514 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] [2021-11-05 23:55:01,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-05 23:55:01,714 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)] === [2021-11-05 23:55:01,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:01,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1700307007, now seen corresponding path program 1 times [2021-11-05 23:55:01,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:01,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748883532] [2021-11-05 23:55:01,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:01,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:02,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:02,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748883532] [2021-11-05 23:55:02,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748883532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:02,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:02,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:02,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932753787] [2021-11-05 23:55:02,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:02,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:02,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:02,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:02,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:02,278 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) [2021-11-05 23:55:03,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:03,309 INFO L93 Difference]: Finished difference Result 12548 states and 15771 transitions. [2021-11-05 23:55:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:03,309 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 [2021-11-05 23:55:03,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:03,336 INFO L225 Difference]: With dead ends: 12548 [2021-11-05 23:55:03,337 INFO L226 Difference]: Without dead ends: 12530 [2021-11-05 23:55:03,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:03,345 INFO L933 BasicCegarLoop]: 14063 mSDtfsCounter, 14378 mSDsluCounter, 9189 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14378 SdHoareTripleChecker+Valid, 23252 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.26ms SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 238.33ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:03,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14378 Valid, 23252 Invalid, 143 Unknown, 0 Unchecked, 28.26ms Time], IncrementalHoareTripleChecker [60 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 238.33ms Time] [2021-11-05 23:55:03,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12530 states. [2021-11-05 23:55:04,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12530 to 8932. [2021-11-05 23:55:04,112 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) [2021-11-05 23:55:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8932 states to 8932 states and 11300 transitions. [2021-11-05 23:55:04,128 INFO L78 Accepts]: Start accepts. Automaton has 8932 states and 11300 transitions. Word has length 70 [2021-11-05 23:55:04,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:04,128 INFO L470 AbstractCegarLoop]: Abstraction has 8932 states and 11300 transitions. [2021-11-05 23:55:04,128 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) [2021-11-05 23:55:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 8932 states and 11300 transitions. [2021-11-05 23:55:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-05 23:55:04,129 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:04,129 INFO L514 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] [2021-11-05 23:55:04,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-05 23:55:04,129 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)] === [2021-11-05 23:55:04,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:04,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1629323973, now seen corresponding path program 1 times [2021-11-05 23:55:04,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:04,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171231169] [2021-11-05 23:55:04,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:04,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:04,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:04,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171231169] [2021-11-05 23:55:04,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171231169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:04,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:04,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:04,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882762346] [2021-11-05 23:55:04,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:04,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:55:04,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:04,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:55:04,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:04,453 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) [2021-11-05 23:55:05,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:05,210 INFO L93 Difference]: Finished difference Result 17817 states and 22548 transitions. [2021-11-05 23:55:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:55:05,210 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 [2021-11-05 23:55:05,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:05,229 INFO L225 Difference]: With dead ends: 17817 [2021-11-05 23:55:05,229 INFO L226 Difference]: Without dead ends: 8929 [2021-11-05 23:55:05,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.08ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:05,247 INFO L933 BasicCegarLoop]: 9637 mSDtfsCounter, 9610 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 141.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9610 SdHoareTripleChecker+Valid, 9637 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.20ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.03ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:05,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9610 Valid, 9637 Invalid, 4 Unknown, 0 Unchecked, 12.20ms Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 165.03ms Time] [2021-11-05 23:55:05,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states. [2021-11-05 23:55:05,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 8929. [2021-11-05 23:55:05,889 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) [2021-11-05 23:55:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 11296 transitions. [2021-11-05 23:55:05,902 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 11296 transitions. Word has length 71 [2021-11-05 23:55:05,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:05,903 INFO L470 AbstractCegarLoop]: Abstraction has 8929 states and 11296 transitions. [2021-11-05 23:55:05,903 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) [2021-11-05 23:55:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 11296 transitions. [2021-11-05 23:55:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-05 23:55:05,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:05,904 INFO L514 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] [2021-11-05 23:55:05,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-05 23:55:05,904 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)] === [2021-11-05 23:55:05,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:05,904 INFO L85 PathProgramCache]: Analyzing trace with hash 2104323085, now seen corresponding path program 1 times [2021-11-05 23:55:05,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:05,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490895744] [2021-11-05 23:55:05,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:05,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:06,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:06,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490895744] [2021-11-05 23:55:06,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490895744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:06,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:06,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 23:55:06,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996041259] [2021-11-05 23:55:06,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:06,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:55:06,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:06,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:55:06,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:06,272 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) [2021-11-05 23:55:07,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:07,257 INFO L93 Difference]: Finished difference Result 17811 states and 22540 transitions. [2021-11-05 23:55:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:55:07,257 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 [2021-11-05 23:55:07,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:07,276 INFO L225 Difference]: With dead ends: 17811 [2021-11-05 23:55:07,276 INFO L226 Difference]: Without dead ends: 8926 [2021-11-05 23:55:07,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.71ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-05 23:55:07,292 INFO L933 BasicCegarLoop]: 9632 mSDtfsCounter, 28609 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 274.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28609 SdHoareTripleChecker+Valid, 9632 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.54ms SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 314.09ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:07,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28609 Valid, 9632 Invalid, 267 Unknown, 0 Unchecked, 23.54ms Time], IncrementalHoareTripleChecker [265 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 314.09ms Time] [2021-11-05 23:55:07,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8926 states. [2021-11-05 23:55:07,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8926 to 8926. [2021-11-05 23:55:07,861 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) [2021-11-05 23:55:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8926 states to 8926 states and 11292 transitions. [2021-11-05 23:55:07,880 INFO L78 Accepts]: Start accepts. Automaton has 8926 states and 11292 transitions. Word has length 74 [2021-11-05 23:55:07,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:07,881 INFO L470 AbstractCegarLoop]: Abstraction has 8926 states and 11292 transitions. [2021-11-05 23:55:07,881 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) [2021-11-05 23:55:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 8926 states and 11292 transitions. [2021-11-05 23:55:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-05 23:55:07,882 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:07,882 INFO L514 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] [2021-11-05 23:55:07,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-05 23:55:07,882 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)] === [2021-11-05 23:55:07,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:07,883 INFO L85 PathProgramCache]: Analyzing trace with hash -460107942, now seen corresponding path program 1 times [2021-11-05 23:55:07,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:07,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33890296] [2021-11-05 23:55:07,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:07,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:08,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:08,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33890296] [2021-11-05 23:55:08,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33890296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:08,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:08,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:08,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926733618] [2021-11-05 23:55:08,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:08,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:55:08,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:08,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:55:08,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:08,214 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) [2021-11-05 23:55:08,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:08,956 INFO L93 Difference]: Finished difference Result 12691 states and 16074 transitions. [2021-11-05 23:55:08,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:55:08,957 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 [2021-11-05 23:55:08,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:08,979 INFO L225 Difference]: With dead ends: 12691 [2021-11-05 23:55:08,979 INFO L226 Difference]: Without dead ends: 9908 [2021-11-05 23:55:08,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.11ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:08,990 INFO L933 BasicCegarLoop]: 10842 mSDtfsCounter, 1204 mSDsluCounter, 9634 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 20476 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.88ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:08,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1211 Valid, 20476 Invalid, 11 Unknown, 0 Unchecked, 15.03ms Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 25.88ms Time] [2021-11-05 23:55:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9908 states. [2021-11-05 23:55:09,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9908 to 8927. [2021-11-05 23:55:09,561 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) [2021-11-05 23:55:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8927 states to 8927 states and 11293 transitions. [2021-11-05 23:55:09,577 INFO L78 Accepts]: Start accepts. Automaton has 8927 states and 11293 transitions. Word has length 75 [2021-11-05 23:55:09,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:09,577 INFO L470 AbstractCegarLoop]: Abstraction has 8927 states and 11293 transitions. [2021-11-05 23:55:09,577 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) [2021-11-05 23:55:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 8927 states and 11293 transitions. [2021-11-05 23:55:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-05 23:55:09,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:09,579 INFO L514 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] [2021-11-05 23:55:09,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-05 23:55:09,579 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)] === [2021-11-05 23:55:09,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:09,579 INFO L85 PathProgramCache]: Analyzing trace with hash 159085098, now seen corresponding path program 1 times [2021-11-05 23:55:09,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:09,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645056310] [2021-11-05 23:55:09,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:09,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:09,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:09,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645056310] [2021-11-05 23:55:09,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645056310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:09,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:09,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:09,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144082798] [2021-11-05 23:55:09,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:09,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:55:09,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:09,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:55:09,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:09,914 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) [2021-11-05 23:55:10,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:10,810 INFO L93 Difference]: Finished difference Result 16656 states and 21103 transitions. [2021-11-05 23:55:10,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:55:10,811 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 [2021-11-05 23:55:10,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:10,829 INFO L225 Difference]: With dead ends: 16656 [2021-11-05 23:55:10,830 INFO L226 Difference]: Without dead ends: 10423 [2021-11-05 23:55:10,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.00ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:10,846 INFO L933 BasicCegarLoop]: 11379 mSDtfsCounter, 1821 mSDsluCounter, 9616 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 20995 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.42ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.04ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:10,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1831 Valid, 20995 Invalid, 50 Unknown, 0 Unchecked, 16.42ms Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 97.04ms Time] [2021-11-05 23:55:10,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10423 states. [2021-11-05 23:55:11,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10423 to 8931. [2021-11-05 23:55:11,447 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) [2021-11-05 23:55:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8931 states to 8931 states and 11297 transitions. [2021-11-05 23:55:11,462 INFO L78 Accepts]: Start accepts. Automaton has 8931 states and 11297 transitions. Word has length 77 [2021-11-05 23:55:11,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:11,463 INFO L470 AbstractCegarLoop]: Abstraction has 8931 states and 11297 transitions. [2021-11-05 23:55:11,463 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) [2021-11-05 23:55:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 8931 states and 11297 transitions. [2021-11-05 23:55:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-05 23:55:11,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:11,464 INFO L514 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] [2021-11-05 23:55:11,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-05 23:55:11,464 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)] === [2021-11-05 23:55:11,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:11,465 INFO L85 PathProgramCache]: Analyzing trace with hash 10170282, now seen corresponding path program 1 times [2021-11-05 23:55:11,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:11,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074781398] [2021-11-05 23:55:11,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:11,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:11,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:11,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074781398] [2021-11-05 23:55:11,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074781398] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 23:55:11,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304013423] [2021-11-05 23:55:11,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:11,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 23:55:11,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 23:55:11,815 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) [2021-11-05 23:55:11,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-05 23:55:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:15,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 6304 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-05 23:55:15,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 23:55:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:15,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 23:55:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:15,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304013423] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 23:55:15,301 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 23:55:15,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-05 23:55:15,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551785752] [2021-11-05 23:55:15,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 23:55:15,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 23:55:15,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:15,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 23:55:15,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:55:15,302 INFO L87 Difference]: Start difference. First operand 8931 states and 11297 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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) [2021-11-05 23:55:16,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:16,568 INFO L93 Difference]: Finished difference Result 15647 states and 19744 transitions. [2021-11-05 23:55:16,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 23:55:16,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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 [2021-11-05 23:55:16,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:16,596 INFO L225 Difference]: With dead ends: 15647 [2021-11-05 23:55:16,597 INFO L226 Difference]: Without dead ends: 12861 [2021-11-05 23:55:16,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 15.19ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:55:16,610 INFO L933 BasicCegarLoop]: 10844 mSDtfsCounter, 7217 mSDsluCounter, 32483 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7245 SdHoareTripleChecker+Valid, 43327 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.78ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.12ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:16,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7245 Valid, 43327 Invalid, 80 Unknown, 0 Unchecked, 30.78ms Time], IncrementalHoareTripleChecker [19 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 139.12ms Time] [2021-11-05 23:55:16,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12861 states. [2021-11-05 23:55:17,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12861 to 8946. [2021-11-05 23:55:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8946 states, 8762 states have (on average 1.2791600091303355) internal successors, (11208), 8893 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) [2021-11-05 23:55:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8946 states to 8946 states and 11318 transitions. [2021-11-05 23:55:17,252 INFO L78 Accepts]: Start accepts. Automaton has 8946 states and 11318 transitions. Word has length 78 [2021-11-05 23:55:17,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:17,252 INFO L470 AbstractCegarLoop]: Abstraction has 8946 states and 11318 transitions. [2021-11-05 23:55:17,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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) [2021-11-05 23:55:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 8946 states and 11318 transitions. [2021-11-05 23:55:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-05 23:55:17,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:17,253 INFO L514 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] [2021-11-05 23:55:17,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-05 23:55:17,454 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 [2021-11-05 23:55:17,454 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)] === [2021-11-05 23:55:17,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:17,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1181298726, now seen corresponding path program 1 times [2021-11-05 23:55:17,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:17,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394315518] [2021-11-05 23:55:17,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:17,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:18,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:18,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394315518] [2021-11-05 23:55:18,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394315518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:18,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:18,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:55:18,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829785724] [2021-11-05 23:55:18,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:18,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:18,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:18,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:18,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:18,296 INFO L87 Difference]: Start difference. First operand 8946 states and 11318 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) [2021-11-05 23:55:20,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:55:21,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:21,608 INFO L93 Difference]: Finished difference Result 13020 states and 16392 transitions. [2021-11-05 23:55:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:21,609 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 [2021-11-05 23:55:21,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:21,629 INFO L225 Difference]: With dead ends: 13020 [2021-11-05 23:55:21,629 INFO L226 Difference]: Without dead ends: 13002 [2021-11-05 23:55:21,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:21,635 INFO L933 BasicCegarLoop]: 14625 mSDtfsCounter, 5318 mSDsluCounter, 23661 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2282.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5335 SdHoareTripleChecker+Valid, 38286 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.58ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2388.81ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:21,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5335 Valid, 38286 Invalid, 133 Unknown, 0 Unchecked, 27.58ms Time], IncrementalHoareTripleChecker [27 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 2388.81ms Time] [2021-11-05 23:55:21,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13002 states. [2021-11-05 23:55:22,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13002 to 8928. [2021-11-05 23:55:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8928 states, 8753 states have (on average 1.2784188278304582) internal successors, (11190), 8875 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) [2021-11-05 23:55:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8928 states to 8928 states and 11300 transitions. [2021-11-05 23:55:22,242 INFO L78 Accepts]: Start accepts. Automaton has 8928 states and 11300 transitions. Word has length 80 [2021-11-05 23:55:22,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:22,243 INFO L470 AbstractCegarLoop]: Abstraction has 8928 states and 11300 transitions. [2021-11-05 23:55:22,243 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) [2021-11-05 23:55:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 8928 states and 11300 transitions. [2021-11-05 23:55:22,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-05 23:55:22,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:22,244 INFO L514 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] [2021-11-05 23:55:22,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-05 23:55:22,244 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)] === [2021-11-05 23:55:22,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:22,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1598349664, now seen corresponding path program 1 times [2021-11-05 23:55:22,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:22,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565988597] [2021-11-05 23:55:22,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:22,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:22,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:22,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565988597] [2021-11-05 23:55:22,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565988597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:22,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:22,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:22,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109636722] [2021-11-05 23:55:22,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:22,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:22,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:22,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:22,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:22,900 INFO L87 Difference]: Start difference. First operand 8928 states and 11300 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) [2021-11-05 23:55:24,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:24,267 INFO L93 Difference]: Finished difference Result 15307 states and 19336 transitions. [2021-11-05 23:55:24,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:24,267 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 [2021-11-05 23:55:24,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:24,297 INFO L225 Difference]: With dead ends: 15307 [2021-11-05 23:55:24,298 INFO L226 Difference]: Without dead ends: 15305 [2021-11-05 23:55:24,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.38ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:24,306 INFO L933 BasicCegarLoop]: 14128 mSDtfsCounter, 15830 mSDsluCounter, 12489 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15837 SdHoareTripleChecker+Valid, 26617 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.06ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 196.36ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:24,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15837 Valid, 26617 Invalid, 112 Unknown, 0 Unchecked, 32.06ms Time], IncrementalHoareTripleChecker [48 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 196.36ms Time] [2021-11-05 23:55:24,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15305 states. [2021-11-05 23:55:25,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15305 to 11521. [2021-11-05 23:55:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11521 states, 11315 states have (on average 1.2826336721166594) internal successors, (14513), 11449 states have internal predecessors, (14513), 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) [2021-11-05 23:55:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11521 states to 11521 states and 14685 transitions. [2021-11-05 23:55:25,202 INFO L78 Accepts]: Start accepts. Automaton has 11521 states and 14685 transitions. Word has length 84 [2021-11-05 23:55:25,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:25,202 INFO L470 AbstractCegarLoop]: Abstraction has 11521 states and 14685 transitions. [2021-11-05 23:55:25,202 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) [2021-11-05 23:55:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 11521 states and 14685 transitions. [2021-11-05 23:55:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-05 23:55:25,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:25,204 INFO L514 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] [2021-11-05 23:55:25,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-05 23:55:25,204 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)] === [2021-11-05 23:55:25,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:25,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1749308285, now seen corresponding path program 1 times [2021-11-05 23:55:25,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:25,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657815839] [2021-11-05 23:55:25,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:25,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:25,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:25,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:25,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657815839] [2021-11-05 23:55:25,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657815839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:25,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:25,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:25,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617904589] [2021-11-05 23:55:25,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:25,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:25,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:25,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:25,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:25,510 INFO L87 Difference]: Start difference. First operand 11521 states and 14685 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) [2021-11-05 23:55:26,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:26,531 INFO L93 Difference]: Finished difference Result 11588 states and 14755 transitions. [2021-11-05 23:55:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:26,532 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 [2021-11-05 23:55:26,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:26,549 INFO L225 Difference]: With dead ends: 11588 [2021-11-05 23:55:26,549 INFO L226 Difference]: Without dead ends: 11586 [2021-11-05 23:55:26,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.80ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:26,553 INFO L933 BasicCegarLoop]: 9600 mSDtfsCounter, 9098 mSDsluCounter, 11634 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 156.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9098 SdHoareTripleChecker+Valid, 21234 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.48ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 192.70ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:26,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9098 Valid, 21234 Invalid, 228 Unknown, 0 Unchecked, 22.48ms Time], IncrementalHoareTripleChecker [36 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 192.70ms Time] [2021-11-05 23:55:26,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11586 states. [2021-11-05 23:55:27,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11586 to 11533. [2021-11-05 23:55:27,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11533 states, 11325 states have (on average 1.2824724061810155) internal successors, (14524), 11460 states have internal predecessors, (14524), 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) [2021-11-05 23:55:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11533 states to 11533 states and 14702 transitions. [2021-11-05 23:55:27,448 INFO L78 Accepts]: Start accepts. Automaton has 11533 states and 14702 transitions. Word has length 86 [2021-11-05 23:55:27,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:27,448 INFO L470 AbstractCegarLoop]: Abstraction has 11533 states and 14702 transitions. [2021-11-05 23:55:27,448 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) [2021-11-05 23:55:27,448 INFO L276 IsEmpty]: Start isEmpty. Operand 11533 states and 14702 transitions. [2021-11-05 23:55:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-05 23:55:27,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:27,449 INFO L514 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] [2021-11-05 23:55:27,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-05 23:55:27,450 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)] === [2021-11-05 23:55:27,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:27,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1791732029, now seen corresponding path program 1 times [2021-11-05 23:55:27,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:27,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379436476] [2021-11-05 23:55:27,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:27,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:27,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:27,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379436476] [2021-11-05 23:55:27,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379436476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:27,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:27,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:27,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881966913] [2021-11-05 23:55:27,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:27,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:55:27,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:27,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:55:27,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:27,709 INFO L87 Difference]: Start difference. First operand 11533 states and 14702 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) [2021-11-05 23:55:28,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:28,990 INFO L93 Difference]: Finished difference Result 24781 states and 31525 transitions. [2021-11-05 23:55:28,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:55:28,991 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 [2021-11-05 23:55:28,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:29,016 INFO L225 Difference]: With dead ends: 24781 [2021-11-05 23:55:29,016 INFO L226 Difference]: Without dead ends: 14960 [2021-11-05 23:55:29,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.66ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:29,033 INFO L933 BasicCegarLoop]: 12674 mSDtfsCounter, 3059 mSDsluCounter, 9592 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 22266 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.49ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.35ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:29,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3069 Valid, 22266 Invalid, 37 Unknown, 0 Unchecked, 16.49ms Time], IncrementalHoareTripleChecker [12 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 29.35ms Time] [2021-11-05 23:55:29,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14960 states. [2021-11-05 23:55:29,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14960 to 11539. [2021-11-05 23:55:29,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11539 states, 11331 states have (on average 1.2823228311711234) internal successors, (14530), 11466 states have internal predecessors, (14530), 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) [2021-11-05 23:55:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11539 states to 11539 states and 14708 transitions. [2021-11-05 23:55:29,875 INFO L78 Accepts]: Start accepts. Automaton has 11539 states and 14708 transitions. Word has length 88 [2021-11-05 23:55:29,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:29,875 INFO L470 AbstractCegarLoop]: Abstraction has 11539 states and 14708 transitions. [2021-11-05 23:55:29,875 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) [2021-11-05 23:55:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 11539 states and 14708 transitions. [2021-11-05 23:55:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-05 23:55:29,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:29,877 INFO L514 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] [2021-11-05 23:55:29,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-05 23:55:29,877 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)] === [2021-11-05 23:55:29,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:29,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1533559769, now seen corresponding path program 1 times [2021-11-05 23:55:29,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:29,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591773948] [2021-11-05 23:55:29,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:29,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:30,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:30,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591773948] [2021-11-05 23:55:30,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591773948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:30,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:30,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:55:30,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645793893] [2021-11-05 23:55:30,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:30,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:30,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:30,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:30,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:30,173 INFO L87 Difference]: Start difference. First operand 11539 states and 14708 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) [2021-11-05 23:55:32,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:55:33,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:33,530 INFO L93 Difference]: Finished difference Result 11592 states and 14758 transitions. [2021-11-05 23:55:33,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:33,531 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 [2021-11-05 23:55:33,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:33,546 INFO L225 Difference]: With dead ends: 11592 [2021-11-05 23:55:33,547 INFO L226 Difference]: Without dead ends: 11590 [2021-11-05 23:55:33,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.67ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:33,550 INFO L933 BasicCegarLoop]: 11248 mSDtfsCounter, 2643 mSDsluCounter, 19821 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2276.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 31069 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.96ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2440.64ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:33,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2645 Valid, 31069 Invalid, 218 Unknown, 0 Unchecked, 21.96ms Time], IncrementalHoareTripleChecker [25 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 2440.64ms Time] [2021-11-05 23:55:33,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11590 states. [2021-11-05 23:55:34,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11590 to 11537. [2021-11-05 23:55:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11537 states, 11330 states have (on average 1.282171226831421) internal successors, (14527), 11464 states have internal predecessors, (14527), 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) [2021-11-05 23:55:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11537 states to 11537 states and 14705 transitions. [2021-11-05 23:55:34,367 INFO L78 Accepts]: Start accepts. Automaton has 11537 states and 14705 transitions. Word has length 94 [2021-11-05 23:55:34,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:34,368 INFO L470 AbstractCegarLoop]: Abstraction has 11537 states and 14705 transitions. [2021-11-05 23:55:34,368 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) [2021-11-05 23:55:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 11537 states and 14705 transitions. [2021-11-05 23:55:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-05 23:55:34,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:34,369 INFO L514 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] [2021-11-05 23:55:34,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-05 23:55:34,370 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)] === [2021-11-05 23:55:34,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:34,370 INFO L85 PathProgramCache]: Analyzing trace with hash -715983249, now seen corresponding path program 1 times [2021-11-05 23:55:34,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:34,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797477701] [2021-11-05 23:55:34,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:34,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:34,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:34,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797477701] [2021-11-05 23:55:34,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797477701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:34,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:34,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 23:55:34,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268766644] [2021-11-05 23:55:34,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:34,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:55:34,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:34,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:55:34,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:34,994 INFO L87 Difference]: Start difference. First operand 11537 states and 14705 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) [2021-11-05 23:55:35,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:35,917 INFO L93 Difference]: Finished difference Result 20408 states and 26100 transitions. [2021-11-05 23:55:35,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:55:35,917 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 [2021-11-05 23:55:35,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:35,946 INFO L225 Difference]: With dead ends: 20408 [2021-11-05 23:55:35,946 INFO L226 Difference]: Without dead ends: 11537 [2021-11-05 23:55:35,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:55:35,966 INFO L933 BasicCegarLoop]: 9612 mSDtfsCounter, 9556 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9556 SdHoareTripleChecker+Valid, 9612 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.87ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:35,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9556 Valid, 9612 Invalid, 1 Unknown, 0 Unchecked, 12.37ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.87ms Time] [2021-11-05 23:55:35,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11537 states. [2021-11-05 23:55:36,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11537 to 11537. [2021-11-05 23:55:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11537 states, 11330 states have (on average 1.2820829655781112) internal successors, (14526), 11464 states have internal predecessors, (14526), 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) [2021-11-05 23:55:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11537 states to 11537 states and 14704 transitions. [2021-11-05 23:55:36,813 INFO L78 Accepts]: Start accepts. Automaton has 11537 states and 14704 transitions. Word has length 94 [2021-11-05 23:55:36,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:36,813 INFO L470 AbstractCegarLoop]: Abstraction has 11537 states and 14704 transitions. [2021-11-05 23:55:36,813 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) [2021-11-05 23:55:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 11537 states and 14704 transitions. [2021-11-05 23:55:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-05 23:55:36,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:36,815 INFO L514 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] [2021-11-05 23:55:36,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-05 23:55:36,815 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)] === [2021-11-05 23:55:36,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:36,815 INFO L85 PathProgramCache]: Analyzing trace with hash -56451727, now seen corresponding path program 1 times [2021-11-05 23:55:36,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:36,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405905585] [2021-11-05 23:55:36,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:36,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:37,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:37,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405905585] [2021-11-05 23:55:37,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405905585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:37,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:37,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:55:37,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985370216] [2021-11-05 23:55:37,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:37,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:55:37,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:37,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:55:37,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:37,423 INFO L87 Difference]: Start difference. First operand 11537 states and 14704 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) [2021-11-05 23:55:38,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:38,570 INFO L93 Difference]: Finished difference Result 20380 states and 26076 transitions. [2021-11-05 23:55:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:38,570 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 [2021-11-05 23:55:38,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:38,593 INFO L225 Difference]: With dead ends: 20380 [2021-11-05 23:55:38,593 INFO L226 Difference]: Without dead ends: 11537 [2021-11-05 23:55:38,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.84ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:55:38,612 INFO L933 BasicCegarLoop]: 9532 mSDtfsCounter, 9600 mSDsluCounter, 18964 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 171.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9600 SdHoareTripleChecker+Valid, 28496 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.54ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 199.73ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:38,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9600 Valid, 28496 Invalid, 256 Unknown, 0 Unchecked, 26.54ms Time], IncrementalHoareTripleChecker [25 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 199.73ms Time] [2021-11-05 23:55:38,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11537 states. [2021-11-05 23:55:39,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11537 to 11537. [2021-11-05 23:55:39,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11537 states, 11330 states have (on average 1.2818181818181817) internal successors, (14523), 11464 states have internal predecessors, (14523), 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) [2021-11-05 23:55:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11537 states to 11537 states and 14701 transitions. [2021-11-05 23:55:39,557 INFO L78 Accepts]: Start accepts. Automaton has 11537 states and 14701 transitions. Word has length 94 [2021-11-05 23:55:39,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:39,558 INFO L470 AbstractCegarLoop]: Abstraction has 11537 states and 14701 transitions. [2021-11-05 23:55:39,558 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) [2021-11-05 23:55:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 11537 states and 14701 transitions. [2021-11-05 23:55:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-05 23:55:39,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:39,559 INFO L514 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] [2021-11-05 23:55:39,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-05 23:55:39,559 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)] === [2021-11-05 23:55:39,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:39,560 INFO L85 PathProgramCache]: Analyzing trace with hash -56392145, now seen corresponding path program 1 times [2021-11-05 23:55:39,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:39,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140147982] [2021-11-05 23:55:39,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:39,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:39,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:39,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140147982] [2021-11-05 23:55:39,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140147982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:39,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:39,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:55:39,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588793447] [2021-11-05 23:55:39,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:39,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:39,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:39,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:39,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:39,843 INFO L87 Difference]: Start difference. First operand 11537 states and 14701 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) [2021-11-05 23:55:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:40,688 INFO L93 Difference]: Finished difference Result 11537 states and 14701 transitions. [2021-11-05 23:55:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:40,688 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 [2021-11-05 23:55:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:40,706 INFO L225 Difference]: With dead ends: 11537 [2021-11-05 23:55:40,706 INFO L226 Difference]: Without dead ends: 11531 [2021-11-05 23:55:40,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.71ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:40,711 INFO L933 BasicCegarLoop]: 9598 mSDtfsCounter, 267 mSDsluCounter, 18928 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 28526 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.58ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.24ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:40,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 28526 Invalid, 19 Unknown, 0 Unchecked, 17.58ms Time], IncrementalHoareTripleChecker [10 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 21.24ms Time] [2021-11-05 23:55:40,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11531 states. [2021-11-05 23:55:41,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11531 to 11531. [2021-11-05 23:55:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11531 states, 11327 states have (on average 1.2816279685706717) internal successors, (14517), 11458 states have internal predecessors, (14517), 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) [2021-11-05 23:55:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11531 states to 11531 states and 14695 transitions. [2021-11-05 23:55:41,644 INFO L78 Accepts]: Start accepts. Automaton has 11531 states and 14695 transitions. Word has length 94 [2021-11-05 23:55:41,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:41,644 INFO L470 AbstractCegarLoop]: Abstraction has 11531 states and 14695 transitions. [2021-11-05 23:55:41,644 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) [2021-11-05 23:55:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 11531 states and 14695 transitions. [2021-11-05 23:55:41,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-05 23:55:41,646 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:41,646 INFO L514 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] [2021-11-05 23:55:41,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-05 23:55:41,646 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)] === [2021-11-05 23:55:41,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:41,647 INFO L85 PathProgramCache]: Analyzing trace with hash 522129340, now seen corresponding path program 1 times [2021-11-05 23:55:41,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:41,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843025305] [2021-11-05 23:55:41,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:41,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:41,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:41,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843025305] [2021-11-05 23:55:41,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843025305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:41,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:41,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:41,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768592510] [2021-11-05 23:55:41,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:41,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:41,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:41,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:41,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:41,972 INFO L87 Difference]: Start difference. First operand 11531 states and 14695 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) [2021-11-05 23:55:43,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:43,003 INFO L93 Difference]: Finished difference Result 11584 states and 14745 transitions. [2021-11-05 23:55:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:43,003 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 [2021-11-05 23:55:43,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:43,021 INFO L225 Difference]: With dead ends: 11584 [2021-11-05 23:55:43,021 INFO L226 Difference]: Without dead ends: 11582 [2021-11-05 23:55:43,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.11ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:43,026 INFO L933 BasicCegarLoop]: 9588 mSDtfsCounter, 8976 mSDsluCounter, 11726 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 149.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8976 SdHoareTripleChecker+Valid, 21314 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.49ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 177.31ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:43,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8976 Valid, 21314 Invalid, 221 Unknown, 0 Unchecked, 21.49ms Time], IncrementalHoareTripleChecker [31 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 177.31ms Time] [2021-11-05 23:55:43,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11582 states. [2021-11-05 23:55:43,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11582 to 11539. [2021-11-05 23:55:43,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11539 states, 11334 states have (on average 1.281454032115758) internal successors, (14524), 11465 states have internal predecessors, (14524), 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) [2021-11-05 23:55:43,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11539 states to 11539 states and 14704 transitions. [2021-11-05 23:55:43,957 INFO L78 Accepts]: Start accepts. Automaton has 11539 states and 14704 transitions. Word has length 97 [2021-11-05 23:55:43,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:43,958 INFO L470 AbstractCegarLoop]: Abstraction has 11539 states and 14704 transitions. [2021-11-05 23:55:43,958 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) [2021-11-05 23:55:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 11539 states and 14704 transitions. [2021-11-05 23:55:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-05 23:55:43,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:43,960 INFO L514 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] [2021-11-05 23:55:43,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-05 23:55:43,961 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)] === [2021-11-05 23:55:43,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:43,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1394906954, now seen corresponding path program 1 times [2021-11-05 23:55:43,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:43,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086804140] [2021-11-05 23:55:43,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:43,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:44,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:44,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086804140] [2021-11-05 23:55:44,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086804140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:44,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:44,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:44,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386110013] [2021-11-05 23:55:44,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:44,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:44,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:44,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:44,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:44,294 INFO L87 Difference]: Start difference. First operand 11539 states and 14704 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) [2021-11-05 23:55:45,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:45,337 INFO L93 Difference]: Finished difference Result 11582 states and 14742 transitions. [2021-11-05 23:55:45,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:45,338 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 [2021-11-05 23:55:45,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:45,355 INFO L225 Difference]: With dead ends: 11582 [2021-11-05 23:55:45,355 INFO L226 Difference]: Without dead ends: 11578 [2021-11-05 23:55:45,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:45,359 INFO L933 BasicCegarLoop]: 9585 mSDtfsCounter, 8881 mSDsluCounter, 11812 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8881 SdHoareTripleChecker+Valid, 21397 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.87ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 163.63ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:45,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8881 Valid, 21397 Invalid, 223 Unknown, 0 Unchecked, 22.87ms Time], IncrementalHoareTripleChecker [34 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 163.63ms Time] [2021-11-05 23:55:45,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11578 states. [2021-11-05 23:55:46,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11578 to 11543. [2021-11-05 23:55:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11543 states, 11338 states have (on average 1.2811783383312754) internal successors, (14526), 11468 states have internal predecessors, (14526), 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) [2021-11-05 23:55:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11543 states to 11543 states and 14708 transitions. [2021-11-05 23:55:46,278 INFO L78 Accepts]: Start accepts. Automaton has 11543 states and 14708 transitions. Word has length 100 [2021-11-05 23:55:46,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:46,278 INFO L470 AbstractCegarLoop]: Abstraction has 11543 states and 14708 transitions. [2021-11-05 23:55:46,278 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) [2021-11-05 23:55:46,279 INFO L276 IsEmpty]: Start isEmpty. Operand 11543 states and 14708 transitions. [2021-11-05 23:55:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-05 23:55:46,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:46,280 INFO L514 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] [2021-11-05 23:55:46,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-05 23:55:46,281 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)] === [2021-11-05 23:55:46,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:46,281 INFO L85 PathProgramCache]: Analyzing trace with hash -919259084, now seen corresponding path program 1 times [2021-11-05 23:55:46,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:46,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095975095] [2021-11-05 23:55:46,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:46,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:46,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:46,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095975095] [2021-11-05 23:55:46,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095975095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:46,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:46,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:46,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205074031] [2021-11-05 23:55:46,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:46,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:46,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:46,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:46,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:46,827 INFO L87 Difference]: Start difference. First operand 11543 states and 14708 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) [2021-11-05 23:55:47,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:47,868 INFO L93 Difference]: Finished difference Result 11733 states and 14918 transitions. [2021-11-05 23:55:47,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:47,869 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 [2021-11-05 23:55:47,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:47,887 INFO L225 Difference]: With dead ends: 11733 [2021-11-05 23:55:47,888 INFO L226 Difference]: Without dead ends: 11731 [2021-11-05 23:55:47,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.56ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:47,891 INFO L933 BasicCegarLoop]: 9682 mSDtfsCounter, 9526 mSDsluCounter, 13186 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9527 SdHoareTripleChecker+Valid, 22868 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.21ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.29ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:47,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9527 Valid, 22868 Invalid, 30 Unknown, 0 Unchecked, 24.21ms Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 54.29ms Time] [2021-11-05 23:55:47,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11731 states. [2021-11-05 23:55:48,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11731 to 11552. [2021-11-05 23:55:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11552 states, 11346 states have (on average 1.2810682178741406) internal successors, (14535), 11477 states have internal predecessors, (14535), 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) [2021-11-05 23:55:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11552 states to 11552 states and 14719 transitions. [2021-11-05 23:55:48,740 INFO L78 Accepts]: Start accepts. Automaton has 11552 states and 14719 transitions. Word has length 101 [2021-11-05 23:55:48,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:48,740 INFO L470 AbstractCegarLoop]: Abstraction has 11552 states and 14719 transitions. [2021-11-05 23:55:48,740 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) [2021-11-05 23:55:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 11552 states and 14719 transitions. [2021-11-05 23:55:48,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-05 23:55:48,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:48,742 INFO L514 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] [2021-11-05 23:55:48,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-05 23:55:48,742 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)] === [2021-11-05 23:55:48,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:48,743 INFO L85 PathProgramCache]: Analyzing trace with hash -173133201, now seen corresponding path program 1 times [2021-11-05 23:55:48,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:48,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434795712] [2021-11-05 23:55:48,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:48,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:49,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:49,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434795712] [2021-11-05 23:55:49,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434795712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:49,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:49,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:49,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289162530] [2021-11-05 23:55:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:49,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:49,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:49,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:49,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:49,244 INFO L87 Difference]: Start difference. First operand 11552 states and 14719 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) [2021-11-05 23:55:50,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:50,235 INFO L93 Difference]: Finished difference Result 11735 states and 14920 transitions. [2021-11-05 23:55:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:55:50,235 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 [2021-11-05 23:55:50,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:50,254 INFO L225 Difference]: With dead ends: 11735 [2021-11-05 23:55:50,254 INFO L226 Difference]: Without dead ends: 11733 [2021-11-05 23:55:50,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.22ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:55:50,259 INFO L933 BasicCegarLoop]: 9678 mSDtfsCounter, 9521 mSDsluCounter, 13185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9522 SdHoareTripleChecker+Valid, 22863 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.56ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.46ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:50,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9522 Valid, 22863 Invalid, 29 Unknown, 0 Unchecked, 23.56ms Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 45.46ms Time] [2021-11-05 23:55:50,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11733 states. [2021-11-05 23:55:51,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11733 to 11559. [2021-11-05 23:55:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11559 states, 11352 states have (on average 1.2809196617336152) internal successors, (14541), 11484 states have internal predecessors, (14541), 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) [2021-11-05 23:55:51,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11559 states to 11559 states and 14726 transitions. [2021-11-05 23:55:51,126 INFO L78 Accepts]: Start accepts. Automaton has 11559 states and 14726 transitions. Word has length 102 [2021-11-05 23:55:51,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:51,126 INFO L470 AbstractCegarLoop]: Abstraction has 11559 states and 14726 transitions. [2021-11-05 23:55:51,126 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) [2021-11-05 23:55:51,126 INFO L276 IsEmpty]: Start isEmpty. Operand 11559 states and 14726 transitions. [2021-11-05 23:55:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-05 23:55:51,128 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:51,128 INFO L514 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] [2021-11-05 23:55:51,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-05 23:55:51,128 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)] === [2021-11-05 23:55:51,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:51,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1674942149, now seen corresponding path program 1 times [2021-11-05 23:55:51,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:51,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140871226] [2021-11-05 23:55:51,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:51,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:51,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:51,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140871226] [2021-11-05 23:55:51,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140871226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:51,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:51,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:55:51,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975060661] [2021-11-05 23:55:51,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:51,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:51,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:51,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:51,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:51,656 INFO L87 Difference]: Start difference. First operand 11559 states and 14726 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) [2021-11-05 23:55:53,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:55:55,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:55:55,681 INFO L93 Difference]: Finished difference Result 28509 states and 36472 transitions. [2021-11-05 23:55:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:55:55,682 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 [2021-11-05 23:55:55,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:55:55,731 INFO L225 Difference]: With dead ends: 28509 [2021-11-05 23:55:55,731 INFO L226 Difference]: Without dead ends: 16994 [2021-11-05 23:55:55,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.35ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:55,766 INFO L933 BasicCegarLoop]: 9614 mSDtfsCounter, 6818 mSDsluCounter, 13103 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2390.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6818 SdHoareTripleChecker+Valid, 22717 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.01ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2515.78ms IncrementalHoareTripleChecker+Time [2021-11-05 23:55:55,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6818 Valid, 22717 Invalid, 137 Unknown, 0 Unchecked, 27.01ms Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 1 Unknown, 0 Unchecked, 2515.78ms Time] [2021-11-05 23:55:55,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16994 states. [2021-11-05 23:55:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16994 to 16835. [2021-11-05 23:55:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16835 states, 16562 states have (on average 1.2833594976452118) internal successors, (21255), 16720 states have internal predecessors, (21255), 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) [2021-11-05 23:55:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16835 states to 16835 states and 21549 transitions. [2021-11-05 23:55:57,267 INFO L78 Accepts]: Start accepts. Automaton has 16835 states and 21549 transitions. Word has length 102 [2021-11-05 23:55:57,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:55:57,267 INFO L470 AbstractCegarLoop]: Abstraction has 16835 states and 21549 transitions. [2021-11-05 23:55:57,267 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) [2021-11-05 23:55:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 16835 states and 21549 transitions. [2021-11-05 23:55:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-05 23:55:57,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:55:57,270 INFO L514 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] [2021-11-05 23:55:57,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-05 23:55:57,270 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)] === [2021-11-05 23:55:57,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:55:57,270 INFO L85 PathProgramCache]: Analyzing trace with hash 646224614, now seen corresponding path program 1 times [2021-11-05 23:55:57,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:55:57,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717192077] [2021-11-05 23:55:57,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:55:57,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:55:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:55:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:55:57,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:55:57,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717192077] [2021-11-05 23:55:57,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717192077] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:55:57,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:55:57,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:55:57,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950920947] [2021-11-05 23:55:57,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:55:57,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:55:57,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:55:57,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:55:57,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:55:57,660 INFO L87 Difference]: Start difference. First operand 16835 states and 21549 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) [2021-11-05 23:55:59,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:01,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:56:01,592 INFO L93 Difference]: Finished difference Result 16866 states and 21575 transitions. [2021-11-05 23:56:01,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:56:01,593 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 [2021-11-05 23:56:01,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:56:01,633 INFO L225 Difference]: With dead ends: 16866 [2021-11-05 23:56:01,633 INFO L226 Difference]: Without dead ends: 16864 [2021-11-05 23:56:01,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.60ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:56:01,643 INFO L933 BasicCegarLoop]: 11176 mSDtfsCounter, 2511 mSDsluCounter, 19863 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2372.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 31039 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.59ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2500.87ms IncrementalHoareTripleChecker+Time [2021-11-05 23:56:01,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2512 Valid, 31039 Invalid, 215 Unknown, 0 Unchecked, 24.59ms Time], IncrementalHoareTripleChecker [24 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 2500.87ms Time] [2021-11-05 23:56:01,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16864 states. [2021-11-05 23:56:03,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16864 to 16833. [2021-11-05 23:56:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16833 states, 16561 states have (on average 1.2831350763842764) internal successors, (21250), 16718 states have internal predecessors, (21250), 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) [2021-11-05 23:56:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16833 states to 16833 states and 21544 transitions. [2021-11-05 23:56:03,118 INFO L78 Accepts]: Start accepts. Automaton has 16833 states and 21544 transitions. Word has length 105 [2021-11-05 23:56:03,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:56:03,119 INFO L470 AbstractCegarLoop]: Abstraction has 16833 states and 21544 transitions. [2021-11-05 23:56:03,119 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) [2021-11-05 23:56:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 16833 states and 21544 transitions. [2021-11-05 23:56:03,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-05 23:56:03,121 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:56:03,122 INFO L514 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] [2021-11-05 23:56:03,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-05 23:56:03,122 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)] === [2021-11-05 23:56:03,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:56:03,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1135426456, now seen corresponding path program 1 times [2021-11-05 23:56:03,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:56:03,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362505226] [2021-11-05 23:56:03,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:56:03,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:56:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:56:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-05 23:56:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:56:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:56:03,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:56:03,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362505226] [2021-11-05 23:56:03,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362505226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:56:03,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:56:03,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:56:03,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016388956] [2021-11-05 23:56:03,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:56:03,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:56:03,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:56:03,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:56:03,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:56:03,472 INFO L87 Difference]: Start difference. First operand 16833 states and 21544 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) [2021-11-05 23:56:05,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:09,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:19,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:56:19,244 INFO L93 Difference]: Finished difference Result 31137 states and 39888 transitions. [2021-11-05 23:56:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:56:19,245 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 [2021-11-05 23:56:19,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:56:19,279 INFO L225 Difference]: With dead ends: 31137 [2021-11-05 23:56:19,279 INFO L226 Difference]: Without dead ends: 20584 [2021-11-05 23:56:19,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.35ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:56:19,302 INFO L933 BasicCegarLoop]: 10716 mSDtfsCounter, 1369 mSDsluCounter, 17035 mSDsCounter, 0 mSdLazyCounter, 3251 mSolverCounterSat, 44 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12152.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 27751 SdHoareTripleChecker+Invalid, 3297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 52.73ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 3251 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13335.48ms IncrementalHoareTripleChecker+Time [2021-11-05 23:56:19,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1375 Valid, 27751 Invalid, 3297 Unknown, 0 Unchecked, 52.73ms Time], IncrementalHoareTripleChecker [44 Valid, 3251 Invalid, 2 Unknown, 0 Unchecked, 13335.48ms Time] [2021-11-05 23:56:19,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20584 states. [2021-11-05 23:56:20,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20584 to 16839. [2021-11-05 23:56:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16839 states, 16565 states have (on average 1.2830667069121642) internal successors, (21254), 16720 states have internal predecessors, (21254), 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) [2021-11-05 23:56:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16839 states to 16839 states and 21554 transitions. [2021-11-05 23:56:20,783 INFO L78 Accepts]: Start accepts. Automaton has 16839 states and 21554 transitions. Word has length 108 [2021-11-05 23:56:20,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:56:20,783 INFO L470 AbstractCegarLoop]: Abstraction has 16839 states and 21554 transitions. [2021-11-05 23:56:20,784 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) [2021-11-05 23:56:20,784 INFO L276 IsEmpty]: Start isEmpty. Operand 16839 states and 21554 transitions. [2021-11-05 23:56:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-05 23:56:20,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:56:20,786 INFO L514 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] [2021-11-05 23:56:20,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-05 23:56:20,787 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)] === [2021-11-05 23:56:20,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:56:20,787 INFO L85 PathProgramCache]: Analyzing trace with hash -696421332, now seen corresponding path program 1 times [2021-11-05 23:56:20,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:56:20,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156096172] [2021-11-05 23:56:20,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:56:20,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:56:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:56:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-05 23:56:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:56:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:56:22,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:56:22,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156096172] [2021-11-05 23:56:22,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156096172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:56:22,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:56:22,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 23:56:22,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410853829] [2021-11-05 23:56:22,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:56:22,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 23:56:22,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:56:22,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 23:56:22,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:56:22,890 INFO L87 Difference]: Start difference. First operand 16839 states and 21554 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) [2021-11-05 23:56:25,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:27,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:29,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:34,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:35,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:42,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:43,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:56:55,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:56:55,116 INFO L93 Difference]: Finished difference Result 33382 states and 42913 transitions. [2021-11-05 23:56:55,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-05 23:56:55,124 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 [2021-11-05 23:56:55,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:56:55,170 INFO L225 Difference]: With dead ends: 33382 [2021-11-05 23:56:55,170 INFO L226 Difference]: Without dead ends: 22823 [2021-11-05 23:56:55,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 358.90ms TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-05 23:56:55,191 INFO L933 BasicCegarLoop]: 9682 mSDtfsCounter, 3125 mSDsluCounter, 35229 mSDsCounter, 0 mSdLazyCounter, 4557 mSolverCounterSat, 178 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27132.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3141 SdHoareTripleChecker+Valid, 44911 SdHoareTripleChecker+Invalid, 4738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.50ms SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 4557 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29404.91ms IncrementalHoareTripleChecker+Time [2021-11-05 23:56:55,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3141 Valid, 44911 Invalid, 4738 Unknown, 0 Unchecked, 63.50ms Time], IncrementalHoareTripleChecker [178 Valid, 4557 Invalid, 3 Unknown, 0 Unchecked, 29404.91ms Time] [2021-11-05 23:56:55,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22823 states. [2021-11-05 23:56:56,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22823 to 19289. [2021-11-05 23:56:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19289 states, 18957 states have (on average 1.2786833359708816) internal successors, (24240), 19128 states have internal predecessors, (24240), 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) [2021-11-05 23:56:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19289 states to 19289 states and 24742 transitions. [2021-11-05 23:56:57,025 INFO L78 Accepts]: Start accepts. Automaton has 19289 states and 24742 transitions. Word has length 110 [2021-11-05 23:56:57,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:56:57,025 INFO L470 AbstractCegarLoop]: Abstraction has 19289 states and 24742 transitions. [2021-11-05 23:56:57,025 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) [2021-11-05 23:56:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 19289 states and 24742 transitions. [2021-11-05 23:56:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-05 23:56:57,029 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:56:57,030 INFO L514 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] [2021-11-05 23:56:57,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-05 23:56:57,030 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)] === [2021-11-05 23:56:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:56:57,030 INFO L85 PathProgramCache]: Analyzing trace with hash 723652299, now seen corresponding path program 1 times [2021-11-05 23:56:57,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:56:57,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116566782] [2021-11-05 23:56:57,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:56:57,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:56:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:56:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-05 23:56:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:56:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:56:58,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:56:58,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116566782] [2021-11-05 23:56:58,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116566782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:56:58,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:56:58,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 23:56:58,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542959356] [2021-11-05 23:56:58,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:56:58,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 23:56:58,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:56:58,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 23:56:58,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-05 23:56:58,415 INFO L87 Difference]: Start difference. First operand 19289 states and 24742 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) [2021-11-05 23:57:00,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:57:02,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:57:07,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:57:12,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:57:15,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:57:19,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:57:19,608 INFO L93 Difference]: Finished difference Result 22284 states and 28534 transitions. [2021-11-05 23:57:19,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-05 23:57:19,609 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 [2021-11-05 23:57:19,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:57:19,661 INFO L225 Difference]: With dead ends: 22284 [2021-11-05 23:57:19,661 INFO L226 Difference]: Without dead ends: 22282 [2021-11-05 23:57:19,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 74.48ms TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-05 23:57:19,675 INFO L933 BasicCegarLoop]: 14108 mSDtfsCounter, 9246 mSDsluCounter, 35672 mSDsCounter, 0 mSdLazyCounter, 2898 mSolverCounterSat, 227 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16814.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9260 SdHoareTripleChecker+Valid, 49780 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 92.08ms SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 2898 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18396.42ms IncrementalHoareTripleChecker+Time [2021-11-05 23:57:19,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9260 Valid, 49780 Invalid, 3127 Unknown, 0 Unchecked, 92.08ms Time], IncrementalHoareTripleChecker [227 Valid, 2898 Invalid, 2 Unknown, 0 Unchecked, 18396.42ms Time] [2021-11-05 23:57:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22282 states. [2021-11-05 23:57:21,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22282 to 19449. [2021-11-05 23:57:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19449 states, 19094 states have (on average 1.2777312244684194) internal successors, (24397), 19264 states have internal predecessors, (24397), 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) [2021-11-05 23:57:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19449 states to 19449 states and 24975 transitions. [2021-11-05 23:57:21,657 INFO L78 Accepts]: Start accepts. Automaton has 19449 states and 24975 transitions. Word has length 112 [2021-11-05 23:57:21,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:57:21,657 INFO L470 AbstractCegarLoop]: Abstraction has 19449 states and 24975 transitions. [2021-11-05 23:57:21,657 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) [2021-11-05 23:57:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 19449 states and 24975 transitions. [2021-11-05 23:57:21,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-05 23:57:21,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:57:21,661 INFO L514 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] [2021-11-05 23:57:21,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-05 23:57:21,661 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)] === [2021-11-05 23:57:21,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:57:21,661 INFO L85 PathProgramCache]: Analyzing trace with hash 290374024, now seen corresponding path program 1 times [2021-11-05 23:57:21,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:57:21,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650723074] [2021-11-05 23:57:21,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:57:21,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:57:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:57:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:57:22,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:57:22,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650723074] [2021-11-05 23:57:22,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650723074] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:57:22,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:57:22,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:57:22,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993814120] [2021-11-05 23:57:22,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:57:22,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:57:22,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:57:22,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:57:22,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:57:22,208 INFO L87 Difference]: Start difference. First operand 19449 states and 24975 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) [2021-11-05 23:57:25,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:57:25,515 INFO L93 Difference]: Finished difference Result 30878 states and 39581 transitions. [2021-11-05 23:57:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:57:25,516 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 [2021-11-05 23:57:25,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:57:25,590 INFO L225 Difference]: With dead ends: 30878 [2021-11-05 23:57:25,590 INFO L226 Difference]: Without dead ends: 30864 [2021-11-05 23:57:25,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:57:25,611 INFO L933 BasicCegarLoop]: 15977 mSDtfsCounter, 14117 mSDsluCounter, 15259 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 271.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14119 SdHoareTripleChecker+Valid, 31236 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.28ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 348.44ms IncrementalHoareTripleChecker+Time [2021-11-05 23:57:25,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14119 Valid, 31236 Invalid, 149 Unknown, 0 Unchecked, 39.28ms Time], IncrementalHoareTripleChecker [54 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 348.44ms Time] [2021-11-05 23:57:25,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30864 states. [2021-11-05 23:57:28,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30864 to 25999. [2021-11-05 23:57:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25999 states, 25544 states have (on average 1.2858988412151582) internal successors, (32847), 25735 states have internal predecessors, (32847), 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) [2021-11-05 23:57:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25999 states to 25999 states and 33626 transitions. [2021-11-05 23:57:28,177 INFO L78 Accepts]: Start accepts. Automaton has 25999 states and 33626 transitions. Word has length 111 [2021-11-05 23:57:28,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:57:28,177 INFO L470 AbstractCegarLoop]: Abstraction has 25999 states and 33626 transitions. [2021-11-05 23:57:28,177 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) [2021-11-05 23:57:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 25999 states and 33626 transitions. [2021-11-05 23:57:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-05 23:57:28,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:57:28,182 INFO L514 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] [2021-11-05 23:57:28,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-05 23:57:28,182 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)] === [2021-11-05 23:57:28,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:57:28,182 INFO L85 PathProgramCache]: Analyzing trace with hash -145721189, now seen corresponding path program 1 times [2021-11-05 23:57:28,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:57:28,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966620246] [2021-11-05 23:57:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:57:28,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:57:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:57:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:57:28,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:57:28,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966620246] [2021-11-05 23:57:28,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966620246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:57:28,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:57:28,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:57:28,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134841207] [2021-11-05 23:57:28,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:57:28,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:57:28,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:57:28,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:57:28,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:57:28,544 INFO L87 Difference]: Start difference. First operand 25999 states and 33626 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) [2021-11-05 23:57:30,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:57:33,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:57:33,417 INFO L93 Difference]: Finished difference Result 26042 states and 33664 transitions. [2021-11-05 23:57:33,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:57:33,417 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 [2021-11-05 23:57:33,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:57:33,484 INFO L225 Difference]: With dead ends: 26042 [2021-11-05 23:57:33,484 INFO L226 Difference]: Without dead ends: 26038 [2021-11-05 23:57:33,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.70ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:57:33,498 INFO L933 BasicCegarLoop]: 11158 mSDtfsCounter, 2397 mSDsluCounter, 19936 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2378.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 31094 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.40ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2516.44ms IncrementalHoareTripleChecker+Time [2021-11-05 23:57:33,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2398 Valid, 31094 Invalid, 217 Unknown, 0 Unchecked, 25.40ms Time], IncrementalHoareTripleChecker [27 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 2516.44ms Time] [2021-11-05 23:57:33,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26038 states. [2021-11-05 23:57:35,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26038 to 25995. [2021-11-05 23:57:35,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25995 states, 25542 states have (on average 1.28545141335839) internal successors, (32833), 25731 states have internal predecessors, (32833), 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) [2021-11-05 23:57:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25995 states to 25995 states and 33612 transitions. [2021-11-05 23:57:35,984 INFO L78 Accepts]: Start accepts. Automaton has 25995 states and 33612 transitions. Word has length 114 [2021-11-05 23:57:35,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:57:35,984 INFO L470 AbstractCegarLoop]: Abstraction has 25995 states and 33612 transitions. [2021-11-05 23:57:35,984 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) [2021-11-05 23:57:35,984 INFO L276 IsEmpty]: Start isEmpty. Operand 25995 states and 33612 transitions. [2021-11-05 23:57:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-05 23:57:35,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:57:35,989 INFO L514 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] [2021-11-05 23:57:35,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-05 23:57:35,989 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)] === [2021-11-05 23:57:35,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:57:35,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1322930901, now seen corresponding path program 1 times [2021-11-05 23:57:35,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:57:35,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664620754] [2021-11-05 23:57:35,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:57:35,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:57:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:57:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:57:36,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:57:36,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664620754] [2021-11-05 23:57:36,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664620754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:57:36,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:57:36,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-05 23:57:36,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260271138] [2021-11-05 23:57:36,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:57:36,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-05 23:57:36,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:57:36,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-05 23:57:36,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-05 23:57:36,633 INFO L87 Difference]: Start difference. First operand 25995 states and 33612 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) [2021-11-05 23:57:39,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:57:39,489 INFO L93 Difference]: Finished difference Result 42276 states and 54842 transitions. [2021-11-05 23:57:39,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-05 23:57:39,489 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 [2021-11-05 23:57:39,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:57:39,571 INFO L225 Difference]: With dead ends: 42276 [2021-11-05 23:57:39,571 INFO L226 Difference]: Without dead ends: 26031 [2021-11-05 23:57:39,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 228.98ms TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-11-05 23:57:39,622 INFO L933 BasicCegarLoop]: 9573 mSDtfsCounter, 69 mSDsluCounter, 76605 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 86178 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.88ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.06ms IncrementalHoareTripleChecker+Time [2021-11-05 23:57:39,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 86178 Invalid, 85 Unknown, 0 Unchecked, 47.88ms Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 153.06ms Time] [2021-11-05 23:57:39,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26031 states. [2021-11-05 23:57:41,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26031 to 26019. [2021-11-05 23:57:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26019 states, 25565 states have (on average 1.285194601994915) internal successors, (32856), 25755 states have internal predecessors, (32856), 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) [2021-11-05 23:57:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26019 states to 26019 states and 33637 transitions. [2021-11-05 23:57:42,064 INFO L78 Accepts]: Start accepts. Automaton has 26019 states and 33637 transitions. Word has length 119 [2021-11-05 23:57:42,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:57:42,064 INFO L470 AbstractCegarLoop]: Abstraction has 26019 states and 33637 transitions. [2021-11-05 23:57:42,064 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) [2021-11-05 23:57:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 26019 states and 33637 transitions. [2021-11-05 23:57:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-05 23:57:42,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:57:42,069 INFO L514 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] [2021-11-05 23:57:42,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-05 23:57:42,070 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)] === [2021-11-05 23:57:42,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:57:42,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1496617010, now seen corresponding path program 1 times [2021-11-05 23:57:42,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:57:42,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378943005] [2021-11-05 23:57:42,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:57:42,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:57:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:57:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:57:42,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:57:42,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378943005] [2021-11-05 23:57:42,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378943005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:57:42,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:57:42,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 23:57:42,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755498747] [2021-11-05 23:57:42,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:57:42,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:57:42,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:57:42,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:57:42,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:57:42,743 INFO L87 Difference]: Start difference. First operand 26019 states and 33637 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) [2021-11-05 23:57:45,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:57:45,405 INFO L93 Difference]: Finished difference Result 51148 states and 66665 transitions. [2021-11-05 23:57:45,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:57:45,406 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 [2021-11-05 23:57:45,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:57:45,486 INFO L225 Difference]: With dead ends: 51148 [2021-11-05 23:57:45,486 INFO L226 Difference]: Without dead ends: 26127 [2021-11-05 23:57:45,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.73ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:57:45,550 INFO L933 BasicCegarLoop]: 9579 mSDtfsCounter, 23 mSDsluCounter, 28712 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 38291 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.99ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.30ms IncrementalHoareTripleChecker+Time [2021-11-05 23:57:45,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 38291 Invalid, 36 Unknown, 0 Unchecked, 26.99ms Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 92.30ms Time] [2021-11-05 23:57:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26127 states. [2021-11-05 23:57:47,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26127 to 26079. [2021-11-05 23:57:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26079 states, 25625 states have (on average 1.2845268292682928) internal successors, (32916), 25815 states have internal predecessors, (32916), 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) [2021-11-05 23:57:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26079 states to 26079 states and 33697 transitions. [2021-11-05 23:57:48,004 INFO L78 Accepts]: Start accepts. Automaton has 26079 states and 33697 transitions. Word has length 120 [2021-11-05 23:57:48,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:57:48,004 INFO L470 AbstractCegarLoop]: Abstraction has 26079 states and 33697 transitions. [2021-11-05 23:57:48,004 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) [2021-11-05 23:57:48,005 INFO L276 IsEmpty]: Start isEmpty. Operand 26079 states and 33697 transitions. [2021-11-05 23:57:48,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-05 23:57:48,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:57:48,009 INFO L514 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] [2021-11-05 23:57:48,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-05 23:57:48,009 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)] === [2021-11-05 23:57:48,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:57:48,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1552562582, now seen corresponding path program 1 times [2021-11-05 23:57:48,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:57:48,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196831827] [2021-11-05 23:57:48,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:57:48,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:58:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:58:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:58:40,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:58:40,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196831827] [2021-11-05 23:58:40,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196831827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:58:40,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:58:40,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:58:40,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535622856] [2021-11-05 23:58:40,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:58:40,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:58:40,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:58:40,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:58:40,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:58:40,274 INFO L87 Difference]: Start difference. First operand 26079 states and 33697 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) [2021-11-05 23:58:42,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:58:45,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:58:45,713 INFO L93 Difference]: Finished difference Result 31538 states and 40432 transitions. [2021-11-05 23:58:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:58:45,714 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 [2021-11-05 23:58:45,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:58:45,769 INFO L225 Difference]: With dead ends: 31538 [2021-11-05 23:58:45,769 INFO L226 Difference]: Without dead ends: 31524 [2021-11-05 23:58:45,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:58:45,782 INFO L933 BasicCegarLoop]: 16909 mSDtfsCounter, 10064 mSDsluCounter, 25551 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2298.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10080 SdHoareTripleChecker+Valid, 42460 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.35ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2462.39ms IncrementalHoareTripleChecker+Time [2021-11-05 23:58:45,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10080 Valid, 42460 Invalid, 127 Unknown, 0 Unchecked, 34.35ms Time], IncrementalHoareTripleChecker [24 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 2462.39ms Time] [2021-11-05 23:58:45,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31524 states. [2021-11-05 23:58:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31524 to 26071. [2021-11-05 23:58:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26071 states, 25623 states have (on average 1.2843539007922569) internal successors, (32909), 25807 states have internal predecessors, (32909), 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) [2021-11-05 23:58:48,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26071 states to 26071 states and 33690 transitions. [2021-11-05 23:58:48,248 INFO L78 Accepts]: Start accepts. Automaton has 26071 states and 33690 transitions. Word has length 119 [2021-11-05 23:58:48,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:58:48,248 INFO L470 AbstractCegarLoop]: Abstraction has 26071 states and 33690 transitions. [2021-11-05 23:58:48,248 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) [2021-11-05 23:58:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 26071 states and 33690 transitions. [2021-11-05 23:58:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-05 23:58:48,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:58:48,253 INFO L514 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] [2021-11-05 23:58:48,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-05 23:58:48,253 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)] === [2021-11-05 23:58:48,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:58:48,254 INFO L85 PathProgramCache]: Analyzing trace with hash -768632968, now seen corresponding path program 1 times [2021-11-05 23:58:48,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:58:48,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104622639] [2021-11-05 23:58:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:58:48,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:58:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:58:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:58:48,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:58:48,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104622639] [2021-11-05 23:58:48,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104622639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:58:48,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:58:48,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:58:48,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152911406] [2021-11-05 23:58:48,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:58:48,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:58:48,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:58:48,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:58:48,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:58:48,752 INFO L87 Difference]: Start difference. First operand 26071 states and 33690 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) [2021-11-05 23:58:51,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:58:51,250 INFO L93 Difference]: Finished difference Result 49432 states and 64349 transitions. [2021-11-05 23:58:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:58:51,250 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 [2021-11-05 23:58:51,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:58:51,301 INFO L225 Difference]: With dead ends: 49432 [2021-11-05 23:58:51,301 INFO L226 Difference]: Without dead ends: 24359 [2021-11-05 23:58:51,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.30ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:58:51,371 INFO L933 BasicCegarLoop]: 9571 mSDtfsCounter, 47 mSDsluCounter, 19129 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 28700 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.10ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.82ms IncrementalHoareTripleChecker+Time [2021-11-05 23:58:51,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 28700 Invalid, 20 Unknown, 0 Unchecked, 18.10ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 37.82ms Time] [2021-11-05 23:58:51,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24359 states. [2021-11-05 23:58:53,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24359 to 24283. [2021-11-05 23:58:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24283 states, 23835 states have (on average 1.2800923012376757) internal successors, (30511), 24019 states have internal predecessors, (30511), 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) [2021-11-05 23:58:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24283 states to 24283 states and 31292 transitions. [2021-11-05 23:58:53,794 INFO L78 Accepts]: Start accepts. Automaton has 24283 states and 31292 transitions. Word has length 120 [2021-11-05 23:58:53,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:58:53,794 INFO L470 AbstractCegarLoop]: Abstraction has 24283 states and 31292 transitions. [2021-11-05 23:58:53,794 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) [2021-11-05 23:58:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 24283 states and 31292 transitions. [2021-11-05 23:58:53,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-05 23:58:53,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:58:53,799 INFO L514 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] [2021-11-05 23:58:53,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-05 23:58:53,800 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)] === [2021-11-05 23:58:53,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:58:53,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1472480065, now seen corresponding path program 1 times [2021-11-05 23:58:53,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:58:53,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384113180] [2021-11-05 23:58:53,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:58:53,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:58:53,987 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 23:58:53,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1285387503] [2021-11-05 23:58:53,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:58:53,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 23:58:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 23:58:53,989 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) [2021-11-05 23:58:53,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-05 23:58:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:58:57,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 7164 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-05 23:58:57,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 23:58:57,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:58:57,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 23:58:57,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:58:57,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384113180] [2021-11-05 23:58:57,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 23:58:57,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285387503] [2021-11-05 23:58:57,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285387503] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:58:57,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:58:57,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:58:57,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163052532] [2021-11-05 23:58:57,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:58:57,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:58:57,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:58:57,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:58:57,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:58:57,673 INFO L87 Difference]: Start difference. First operand 24283 states and 31292 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) [2021-11-05 23:59:02,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:59:02,328 INFO L93 Difference]: Finished difference Result 38047 states and 48814 transitions. [2021-11-05 23:59:02,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 23:59:02,329 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 [2021-11-05 23:59:02,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:59:02,410 INFO L225 Difference]: With dead ends: 38047 [2021-11-05 23:59:02,410 INFO L226 Difference]: Without dead ends: 38043 [2021-11-05 23:59:02,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.08ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:59:02,421 INFO L933 BasicCegarLoop]: 12812 mSDtfsCounter, 23368 mSDsluCounter, 26442 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 512.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23370 SdHoareTripleChecker+Valid, 39254 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.40ms SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 603.71ms IncrementalHoareTripleChecker+Time [2021-11-05 23:59:02,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23370 Valid, 39254 Invalid, 259 Unknown, 0 Unchecked, 47.40ms Time], IncrementalHoareTripleChecker [87 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 603.71ms Time] [2021-11-05 23:59:02,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38043 states. [2021-11-05 23:59:06,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38043 to 37484. [2021-11-05 23:59:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37484 states, 36832 states have (on average 1.2758470894874023) internal successors, (46992), 37083 states have internal predecessors, (46992), 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) [2021-11-05 23:59:06,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37484 states to 37484 states and 48206 transitions. [2021-11-05 23:59:06,307 INFO L78 Accepts]: Start accepts. Automaton has 37484 states and 48206 transitions. Word has length 125 [2021-11-05 23:59:06,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:59:06,307 INFO L470 AbstractCegarLoop]: Abstraction has 37484 states and 48206 transitions. [2021-11-05 23:59:06,308 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) [2021-11-05 23:59:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 37484 states and 48206 transitions. [2021-11-05 23:59:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-05 23:59:06,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:59:06,314 INFO L514 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] [2021-11-05 23:59:06,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-05 23:59:06,539 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 [2021-11-05 23:59:06,539 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)] === [2021-11-05 23:59:06,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:59:06,540 INFO L85 PathProgramCache]: Analyzing trace with hash 784235913, now seen corresponding path program 1 times [2021-11-05 23:59:06,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:59:06,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721571168] [2021-11-05 23:59:06,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:59:06,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:59:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:59:26,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-05 23:59:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:59:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:59:26,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:59:26,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721571168] [2021-11-05 23:59:26,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721571168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:59:26,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:59:26,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-05 23:59:26,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119825164] [2021-11-05 23:59:26,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:59:26,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-05 23:59:26,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:59:26,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-05 23:59:26,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-05 23:59:26,889 INFO L87 Difference]: Start difference. First operand 37484 states and 48206 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) [2021-11-05 23:59:29,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:59:31,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:59:33,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:59:35,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:59:37,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:59:39,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:59:41,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:59:43,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:59:45,781 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:33,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:34,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:36,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:39,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:42,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:44,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:46,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:48,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:50,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:53,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:00:55,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:01:07,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:01:07,011 INFO L93 Difference]: Finished difference Result 82340 states and 106067 transitions. [2021-11-06 00:01:07,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-06 00:01:07,013 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 00:01:07,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:01:07,114 INFO L225 Difference]: With dead ends: 82340 [2021-11-06 00:01:07,114 INFO L226 Difference]: Without dead ends: 45854 [2021-11-06 00:01:07,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 1978.91ms TimeCoverageRelationStatistics Valid=339, Invalid=1467, Unknown=0, NotChecked=0, Total=1806 [2021-11-06 00:01:07,203 INFO L933 BasicCegarLoop]: 9538 mSDtfsCounter, 6777 mSDsluCounter, 75718 mSDsCounter, 0 mSdLazyCounter, 17079 mSolverCounterSat, 472 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83401.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6793 SdHoareTripleChecker+Valid, 85256 SdHoareTripleChecker+Invalid, 17565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 177.54ms SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 17079 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92319.59ms IncrementalHoareTripleChecker+Time [2021-11-06 00:01:07,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6793 Valid, 85256 Invalid, 17565 Unknown, 0 Unchecked, 177.54ms Time], IncrementalHoareTripleChecker [472 Valid, 17079 Invalid, 14 Unknown, 0 Unchecked, 92319.59ms Time] [2021-11-06 00:01:07,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45854 states. [2021-11-06 00:01:11,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45854 to 38614. [2021-11-06 00:01:11,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38614 states, 37929 states have (on average 1.2745656357931925) internal successors, (48343), 38190 states have internal predecessors, (48343), 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 00:01:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38614 states to 38614 states and 49650 transitions. [2021-11-06 00:01:11,415 INFO L78 Accepts]: Start accepts. Automaton has 38614 states and 49650 transitions. Word has length 128 [2021-11-06 00:01:11,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:01:11,415 INFO L470 AbstractCegarLoop]: Abstraction has 38614 states and 49650 transitions. [2021-11-06 00:01:11,415 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 00:01:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 38614 states and 49650 transitions. [2021-11-06 00:01:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-06 00:01:11,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:01:11,422 INFO L514 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 00:01:11,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-06 00:01:11,422 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 00:01:11,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:01:11,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1810885299, now seen corresponding path program 1 times [2021-11-06 00:01:11,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:01:11,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421494035] [2021-11-06 00:01:11,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:01:11,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:01:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:01:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-06 00:01:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:01:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:01:11,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:01:11,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421494035] [2021-11-06 00:01:11,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421494035] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:01:11,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:01:11,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 00:01:11,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546002341] [2021-11-06 00:01:11,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:01:11,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 00:01:11,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:01:11,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 00:01:11,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-06 00:01:11,956 INFO L87 Difference]: Start difference. First operand 38614 states and 49650 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 00:01:14,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:01:16,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:01:18,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:01:33,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:01:35,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:01:41,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:01:41,415 INFO L93 Difference]: Finished difference Result 39716 states and 51136 transitions. [2021-11-06 00:01:41,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-06 00:01:41,416 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 00:01:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:01:41,514 INFO L225 Difference]: With dead ends: 39716 [2021-11-06 00:01:41,514 INFO L226 Difference]: Without dead ends: 39714 [2021-11-06 00:01:41,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 68.03ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-06 00:01:41,535 INFO L933 BasicCegarLoop]: 12905 mSDtfsCounter, 7891 mSDsluCounter, 37832 mSDsCounter, 0 mSdLazyCounter, 4703 mSolverCounterSat, 179 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21876.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7894 SdHoareTripleChecker+Valid, 50737 SdHoareTripleChecker+Invalid, 4885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 92.59ms SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4703 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24643.16ms IncrementalHoareTripleChecker+Time [2021-11-06 00:01:41,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7894 Valid, 50737 Invalid, 4885 Unknown, 0 Unchecked, 92.59ms Time], IncrementalHoareTripleChecker [179 Valid, 4703 Invalid, 3 Unknown, 0 Unchecked, 24643.16ms Time] [2021-11-06 00:01:41,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39714 states. [2021-11-06 00:01:45,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39714 to 38649. [2021-11-06 00:01:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38649 states, 37957 states have (on average 1.2740206022604526) internal successors, (48358), 38211 states have internal predecessors, (48358), 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 00:01:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38649 states to 38649 states and 49689 transitions. [2021-11-06 00:01:45,886 INFO L78 Accepts]: Start accepts. Automaton has 38649 states and 49689 transitions. Word has length 129 [2021-11-06 00:01:45,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:01:45,886 INFO L470 AbstractCegarLoop]: Abstraction has 38649 states and 49689 transitions. [2021-11-06 00:01:45,886 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 00:01:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 38649 states and 49689 transitions. [2021-11-06 00:01:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-06 00:01:45,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:01:45,893 INFO L514 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 00:01:45,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-06 00:01:45,893 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 00:01:45,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:01:45,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2107333598, now seen corresponding path program 1 times [2021-11-06 00:01:45,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:01:45,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543804960] [2021-11-06 00:01:45,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:01:45,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:01:46,077 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:01:46,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832071545] [2021-11-06 00:01:46,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:01:46,077 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:01:46,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:01:46,078 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 00:01:46,079 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 00:01:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:01:49,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 7085 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-06 00:01:49,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:01:50,175 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 00:01:50,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:01:50,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:01:50,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543804960] [2021-11-06 00:01:50,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:01:50,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832071545] [2021-11-06 00:01:50,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832071545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:01:50,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:01:50,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:01:50,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994043144] [2021-11-06 00:01:50,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:01:50,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 00:01:50,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:01:50,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 00:01:50,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:01:50,177 INFO L87 Difference]: Start difference. First operand 38649 states and 49689 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 00:01:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:01:55,094 INFO L93 Difference]: Finished difference Result 39018 states and 50035 transitions. [2021-11-06 00:01:55,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 00:01:55,094 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 00:01:55,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:01:55,182 INFO L225 Difference]: With dead ends: 39018 [2021-11-06 00:01:55,182 INFO L226 Difference]: Without dead ends: 39016 [2021-11-06 00:01:55,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.47ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-06 00:01:55,205 INFO L933 BasicCegarLoop]: 12833 mSDtfsCounter, 23164 mSDsluCounter, 26502 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 599.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23164 SdHoareTripleChecker+Valid, 39335 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.80ms SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 746.69ms IncrementalHoareTripleChecker+Time [2021-11-06 00:01:55,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23164 Valid, 39335 Invalid, 251 Unknown, 0 Unchecked, 49.80ms Time], IncrementalHoareTripleChecker [85 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 746.69ms Time] [2021-11-06 00:01:55,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39016 states. [2021-11-06 00:01:59,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39016 to 38690. [2021-11-06 00:01:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38690 states, 37996 states have (on average 1.2740025265817454) internal successors, (48407), 38252 states have internal predecessors, (48407), 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 00:01:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38690 states to 38690 states and 49743 transitions. [2021-11-06 00:01:59,597 INFO L78 Accepts]: Start accepts. Automaton has 38690 states and 49743 transitions. Word has length 128 [2021-11-06 00:01:59,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:01:59,597 INFO L470 AbstractCegarLoop]: Abstraction has 38690 states and 49743 transitions. [2021-11-06 00:01:59,598 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 00:01:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand 38690 states and 49743 transitions. [2021-11-06 00:01:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-06 00:01:59,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:01:59,605 INFO L514 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 00:01:59,646 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 00:01:59,805 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 00:01:59,806 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 00:01:59,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:01:59,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1098801176, now seen corresponding path program 1 times [2021-11-06 00:01:59,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:01:59,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608750619] [2021-11-06 00:01:59,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:01:59,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:03:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:03:06,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-06 00:03:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:03:06,068 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 00:03:06,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:03:06,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608750619] [2021-11-06 00:03:06,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608750619] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:03:06,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:03:06,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 00:03:06,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60510575] [2021-11-06 00:03:06,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:03:06,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 00:03:06,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:03:06,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 00:03:06,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-06 00:03:06,070 INFO L87 Difference]: Start difference. First operand 38690 states and 49743 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, (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 00:03:08,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:03:10,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:03:20,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:03:24,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-06 00:03:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:03:31,004 INFO L93 Difference]: Finished difference Result 39816 states and 51259 transitions. [2021-11-06 00:03:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-06 00:03:31,005 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, (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 130 [2021-11-06 00:03:31,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:03:31,081 INFO L225 Difference]: With dead ends: 39816 [2021-11-06 00:03:31,081 INFO L226 Difference]: Without dead ends: 39814 [2021-11-06 00:03:31,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 85.58ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-06 00:03:31,097 INFO L933 BasicCegarLoop]: 12898 mSDtfsCounter, 8070 mSDsluCounter, 33267 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 226 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18018.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8073 SdHoareTripleChecker+Valid, 46165 SdHoareTripleChecker+Invalid, 3064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 85.37ms SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20278.63ms IncrementalHoareTripleChecker+Time [2021-11-06 00:03:31,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8073 Valid, 46165 Invalid, 3064 Unknown, 0 Unchecked, 85.37ms Time], IncrementalHoareTripleChecker [226 Valid, 2835 Invalid, 3 Unknown, 0 Unchecked, 20278.63ms Time] [2021-11-06 00:03:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39814 states. [2021-11-06 00:03:35,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39814 to 38702. [2021-11-06 00:03:35,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38702 states, 38008 states have (on average 1.273626604925279) internal successors, (48408), 38258 states have internal predecessors, (48408), 364 states have call successors, (364), 169 states have call predecessors, (364), 252 states have return successors, (972), 366 states have call predecessors, (972), 364 states have call successors, (972) [2021-11-06 00:03:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38702 states to 38702 states and 49744 transitions. [2021-11-06 00:03:35,203 INFO L78 Accepts]: Start accepts. Automaton has 38702 states and 49744 transitions. Word has length 130 [2021-11-06 00:03:35,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:03:35,203 INFO L470 AbstractCegarLoop]: Abstraction has 38702 states and 49744 transitions. [2021-11-06 00:03:35,203 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, (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 00:03:35,203 INFO L276 IsEmpty]: Start isEmpty. Operand 38702 states and 49744 transitions. [2021-11-06 00:03:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-06 00:03:35,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:03:35,210 INFO L514 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, 1] [2021-11-06 00:03:35,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-06 00:03:35,210 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting xen_pcibk_setup_backendErr13ASSERT_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 00:03:35,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:03:35,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1332789429, now seen corresponding path program 1 times [2021-11-06 00:03:35,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:03:35,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600009242] [2021-11-06 00:03:35,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:03:35,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:03:35,394 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:03:35,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003985831] [2021-11-06 00:03:35,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:03:35,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:03:35,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:03:35,399 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:03:35,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process