./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 5b36d44f 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-5b36d44 [2021-11-07 20:38:16,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 20:38:16,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 20:38:16,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 20:38:16,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 20:38:16,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 20:38:16,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 20:38:16,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 20:38:16,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 20:38:16,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 20:38:16,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 20:38:16,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 20:38:16,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 20:38:16,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 20:38:16,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 20:38:16,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 20:38:16,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 20:38:16,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 20:38:16,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 20:38:16,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 20:38:16,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 20:38:16,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 20:38:16,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 20:38:16,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 20:38:16,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 20:38:16,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 20:38:16,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 20:38:16,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 20:38:16,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 20:38:16,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 20:38:16,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 20:38:16,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 20:38:16,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 20:38:16,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 20:38:16,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 20:38:16,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 20:38:16,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 20:38:16,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 20:38:16,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 20:38:16,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 20:38:16,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 20:38:16,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 20:38:16,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 20:38:16,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 20:38:16,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 20:38:16,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 20:38:16,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 20:38:16,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 20:38:16,893 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 20:38:16,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 20:38:16,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 20:38:16,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 20:38:16,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 20:38:16,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 20:38:16,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 20:38:16,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 20:38:16,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 20:38:16,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 20:38:16,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 20:38:16,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 20:38:16,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 20:38:16,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:38:16,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 20:38:16,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 20:38:16,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 20:38:16,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 20:38:16,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 20:38:16,896 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 20:38:16,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 20:38:16,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 20:38:16,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 20:38:16,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 668079de19bf0a3b986283cdf2026e08e0cc89de10c7b91fb412db22c303859d [2021-11-07 20:38:17,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 20:38:17,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 20:38:17,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 20:38:17,158 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 20:38:17,159 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 20:38:17,160 INFO L432 ainManager$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 [2021-11-07 20:38:17,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5385bad/e2426f31c5bd400ab7e643bbfc5b71dd/FLAGde3670f65 [2021-11-07 20:38:18,003 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 20:38:18,004 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 [2021-11-07 20:38:18,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5385bad/e2426f31c5bd400ab7e643bbfc5b71dd/FLAGde3670f65 [2021-11-07 20:38:18,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5385bad/e2426f31c5bd400ab7e643bbfc5b71dd [2021-11-07 20:38:18,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 20:38:18,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 20:38:18,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 20:38:18,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 20:38:18,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 20:38:18,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:38:18" (1/1) ... [2021-11-07 20:38:18,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ff0aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:18, skipping insertion in model container [2021-11-07 20:38:18,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:38:18" (1/1) ... [2021-11-07 20:38:18,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 20:38:18,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 20:38:24,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,171 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[575264,575277] [2021-11-07 20:38:24,172 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[575410,575423] [2021-11-07 20:38:24,180 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[575575,575588] [2021-11-07 20:38:24,181 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[575733,575746] [2021-11-07 20:38:24,183 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[575891,575904] [2021-11-07 20:38:24,187 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[576049,576062] [2021-11-07 20:38:24,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,194 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,205 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,211 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,216 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:38:24,294 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 20:38:24,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,697 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,705 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,705 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2021-11-07 20:38:24,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:38:24,940 INFO L208 MainTranslator]: Completed translation [2021-11-07 20:38:24,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24 WrapperNode [2021-11-07 20:38:24,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 20:38:24,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 20:38:24,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 20:38:24,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 20:38:24,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:25,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:26,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 20:38:26,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 20:38:26,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 20:38:26,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 20:38:26,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:26,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:26,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:26,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:27,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:27,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:27,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:27,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 20:38:27,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 20:38:27,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 20:38:27,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 20:38:27,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (1/1) ... [2021-11-07 20:38:27,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:38:27,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:38:27,709 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) [2021-11-07 20:38:27,755 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 [2021-11-07 20:38:27,793 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2021-11-07 20:38:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2021-11-07 20:38:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2021-11-07 20:38:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2021-11-07 20:38:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 20:38:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-07 20:38:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-07 20:38:27,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 20:38:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 20:38:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2021-11-07 20:38:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2021-11-07 20:38:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 20:38:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 20:38:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 20:38:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 20:38:27,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 20:38:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2021-11-07 20:38:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2021-11-07 20:38:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2021-11-07 20:38:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2021-11-07 20:38:27,796 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2021-11-07 20:38:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2021-11-07 20:38:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 20:38:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 20:38:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2021-11-07 20:38:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2021-11-07 20:38:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 20:38:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 20:38:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2021-11-07 20:38:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2021-11-07 20:38:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-07 20:38:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-07 20:38:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2021-11-07 20:38:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2021-11-07 20:38:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2021-11-07 20:38:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2021-11-07 20:38:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2021-11-07 20:38:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2021-11-07 20:38:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 20:38:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2021-11-07 20:38:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2021-11-07 20:38:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 20:38:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 20:38:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 20:38:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2021-11-07 20:38:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2021-11-07 20:40:36,843 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; [2021-11-07 20:40:36,844 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 20:40:36,845 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_34_returnLabel: main_#res := 0; [2021-11-07 20:40:36,846 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L8356: #t~ret2648 := main_#res; [2021-11-07 20:40:36,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 20:40:36,891 INFO L299 CfgBuilder]: Removed 9706 assume(true) statements. [2021-11-07 20:40:36,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:40:36 BoogieIcfgContainer [2021-11-07 20:40:36,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 20:40:36,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 20:40:36,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 20:40:36,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 20:40:36,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:38:18" (1/3) ... [2021-11-07 20:40:36,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cad66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:40:36, skipping insertion in model container [2021-11-07 20:40:36,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:24" (2/3) ... [2021-11-07 20:40:36,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46cad66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:40:36, skipping insertion in model container [2021-11-07 20:40:36,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:40:36" (3/3) ... [2021-11-07 20:40:36,911 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--xen--xen-pciback--xen-pciback.ko.cil.i [2021-11-07 20:40:36,916 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 20:40:36,916 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 326 error locations. [2021-11-07 20:40:36,989 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 20:40:36,995 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 [2021-11-07 20:40:36,995 INFO L340 AbstractCegarLoop]: Starting to check reachability of 326 error locations. [2021-11-07 20:40:37,111 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) [2021-11-07 20:40:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 20:40:37,115 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:37,116 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] [2021-11-07 20:40:37,116 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)] === [2021-11-07 20:40:37,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:37,121 INFO L85 PathProgramCache]: Analyzing trace with hash 298342383, now seen corresponding path program 1 times [2021-11-07 20:40:37,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:37,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640711009] [2021-11-07 20:40:37,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:37,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:38,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:38,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640711009] [2021-11-07 20:40:38,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640711009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:38,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:38,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:40:38,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806040918] [2021-11-07 20:40:38,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:38,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:40:38,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:38,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:40:38,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:40:38,106 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) [2021-11-07 20:40:38,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:40:38,607 INFO L93 Difference]: Finished difference Result 18676 states and 24677 transitions. [2021-11-07 20:40:38,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:40:38,609 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 [2021-11-07 20:40:38,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:40:38,663 INFO L225 Difference]: With dead ends: 18676 [2021-11-07 20:40:38,664 INFO L226 Difference]: Without dead ends: 8866 [2021-11-07 20:40:38,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:40:38,703 INFO L933 BasicCegarLoop]: 11987 mSDtfsCounter, 12137 mSDsluCounter, 11825 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12137 SdHoareTripleChecker+Valid, 23812 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.73ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.25ms IncrementalHoareTripleChecker+Time [2021-11-07 20:40:38,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12137 Valid, 23812 Invalid, 6 Unknown, 0 Unchecked, 55.73ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 9.25ms Time] [2021-11-07 20:40:38,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8866 states. [2021-11-07 20:40:38,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8866 to 8866. [2021-11-07 20:40:38,965 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) [2021-11-07 20:40:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8866 states to 8866 states and 11035 transitions. [2021-11-07 20:40:38,998 INFO L78 Accepts]: Start accepts. Automaton has 8866 states and 11035 transitions. Word has length 21 [2021-11-07 20:40:38,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:40:38,998 INFO L470 AbstractCegarLoop]: Abstraction has 8866 states and 11035 transitions. [2021-11-07 20:40:38,999 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) [2021-11-07 20:40:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 8866 states and 11035 transitions. [2021-11-07 20:40:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 20:40:38,999 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:39,000 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] [2021-11-07 20:40:39,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 20:40:39,000 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)] === [2021-11-07 20:40:39,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:39,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1054942445, now seen corresponding path program 1 times [2021-11-07 20:40:39,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:39,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558236014] [2021-11-07 20:40:39,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:39,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:39,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:39,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558236014] [2021-11-07 20:40:39,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558236014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:39,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:39,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:40:39,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43173646] [2021-11-07 20:40:39,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:39,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:40:39,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:39,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:40:39,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:40:39,607 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) [2021-11-07 20:40:39,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:40:39,815 INFO L93 Difference]: Finished difference Result 8866 states and 11035 transitions. [2021-11-07 20:40:39,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:40:39,816 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 [2021-11-07 20:40:39,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:40:39,847 INFO L225 Difference]: With dead ends: 8866 [2021-11-07 20:40:39,847 INFO L226 Difference]: Without dead ends: 8862 [2021-11-07 20:40:39,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.88ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:40:39,854 INFO L933 BasicCegarLoop]: 11027 mSDtfsCounter, 11163 mSDsluCounter, 10877 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11163 SdHoareTripleChecker+Valid, 21904 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.63ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.79ms IncrementalHoareTripleChecker+Time [2021-11-07 20:40:39,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11163 Valid, 21904 Invalid, 6 Unknown, 0 Unchecked, 28.63ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 9.79ms Time] [2021-11-07 20:40:39,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8862 states. [2021-11-07 20:40:40,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8862 to 8862. [2021-11-07 20:40:40,054 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) [2021-11-07 20:40:40,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8862 states to 8862 states and 11031 transitions. [2021-11-07 20:40:40,081 INFO L78 Accepts]: Start accepts. Automaton has 8862 states and 11031 transitions. Word has length 23 [2021-11-07 20:40:40,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:40:40,081 INFO L470 AbstractCegarLoop]: Abstraction has 8862 states and 11031 transitions. [2021-11-07 20:40:40,082 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) [2021-11-07 20:40:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 8862 states and 11031 transitions. [2021-11-07 20:40:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 20:40:40,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:40,083 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] [2021-11-07 20:40:40,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 20:40:40,083 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)] === [2021-11-07 20:40:40,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:40,084 INFO L85 PathProgramCache]: Analyzing trace with hash -186571113, now seen corresponding path program 1 times [2021-11-07 20:40:40,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:40,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576023274] [2021-11-07 20:40:40,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:40,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:40,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:40,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:40,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576023274] [2021-11-07 20:40:40,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576023274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:40,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:40,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:40:40,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406495214] [2021-11-07 20:40:40,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:40,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:40:40,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:40,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:40:40,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:40:40,550 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) [2021-11-07 20:40:40,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:40:40,742 INFO L93 Difference]: Finished difference Result 8862 states and 11031 transitions. [2021-11-07 20:40:40,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:40:40,742 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 [2021-11-07 20:40:40,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:40:40,781 INFO L225 Difference]: With dead ends: 8862 [2021-11-07 20:40:40,781 INFO L226 Difference]: Without dead ends: 8858 [2021-11-07 20:40:40,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.40ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:40:40,789 INFO L933 BasicCegarLoop]: 11023 mSDtfsCounter, 11149 mSDsluCounter, 10881 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11149 SdHoareTripleChecker+Valid, 21904 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.04ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.89ms IncrementalHoareTripleChecker+Time [2021-11-07 20:40:40,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11149 Valid, 21904 Invalid, 6 Unknown, 0 Unchecked, 27.04ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.89ms Time] [2021-11-07 20:40:40,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8858 states. [2021-11-07 20:40:40,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8858 to 8858. [2021-11-07 20:40:40,997 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) [2021-11-07 20:40:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8858 states to 8858 states and 11027 transitions. [2021-11-07 20:40:41,022 INFO L78 Accepts]: Start accepts. Automaton has 8858 states and 11027 transitions. Word has length 25 [2021-11-07 20:40:41,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:40:41,022 INFO L470 AbstractCegarLoop]: Abstraction has 8858 states and 11027 transitions. [2021-11-07 20:40:41,023 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) [2021-11-07 20:40:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 8858 states and 11027 transitions. [2021-11-07 20:40:41,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 20:40:41,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:41,028 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] [2021-11-07 20:40:41,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 20:40:41,028 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)] === [2021-11-07 20:40:41,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:41,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1094623867, now seen corresponding path program 1 times [2021-11-07 20:40:41,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:41,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310742845] [2021-11-07 20:40:41,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:41,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:41,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:41,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310742845] [2021-11-07 20:40:41,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310742845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:41,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:41,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:40:41,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280486968] [2021-11-07 20:40:41,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:41,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:40:41,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:41,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:40:41,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:40:41,464 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) [2021-11-07 20:40:41,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:40:41,808 INFO L93 Difference]: Finished difference Result 8858 states and 11027 transitions. [2021-11-07 20:40:41,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:40:41,808 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 [2021-11-07 20:40:41,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:40:41,830 INFO L225 Difference]: With dead ends: 8858 [2021-11-07 20:40:41,830 INFO L226 Difference]: Without dead ends: 8854 [2021-11-07 20:40:41,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.19ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:40:41,836 INFO L933 BasicCegarLoop]: 11019 mSDtfsCounter, 11135 mSDsluCounter, 10885 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11135 SdHoareTripleChecker+Valid, 21904 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.93ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.03ms IncrementalHoareTripleChecker+Time [2021-11-07 20:40:41,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11135 Valid, 21904 Invalid, 6 Unknown, 0 Unchecked, 24.93ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 8.03ms Time] [2021-11-07 20:40:41,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8854 states. [2021-11-07 20:40:42,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8854 to 8854. [2021-11-07 20:40:42,031 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) [2021-11-07 20:40:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8854 states to 8854 states and 11023 transitions. [2021-11-07 20:40:42,052 INFO L78 Accepts]: Start accepts. Automaton has 8854 states and 11023 transitions. Word has length 27 [2021-11-07 20:40:42,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:40:42,053 INFO L470 AbstractCegarLoop]: Abstraction has 8854 states and 11023 transitions. [2021-11-07 20:40:42,053 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) [2021-11-07 20:40:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 8854 states and 11023 transitions. [2021-11-07 20:40:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 20:40:42,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:42,054 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] [2021-11-07 20:40:42,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 20:40:42,054 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)] === [2021-11-07 20:40:42,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:42,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1744894041, now seen corresponding path program 1 times [2021-11-07 20:40:42,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:42,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645693762] [2021-11-07 20:40:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:42,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:42,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:42,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645693762] [2021-11-07 20:40:42,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645693762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:42,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:42,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:40:42,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290993617] [2021-11-07 20:40:42,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:42,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:40:42,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:42,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:40:42,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:40:42,387 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) [2021-11-07 20:40:42,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:40:42,615 INFO L93 Difference]: Finished difference Result 17703 states and 22040 transitions. [2021-11-07 20:40:42,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:40:42,616 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 [2021-11-07 20:40:42,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:40:42,638 INFO L225 Difference]: With dead ends: 17703 [2021-11-07 20:40:42,639 INFO L226 Difference]: Without dead ends: 8855 [2021-11-07 20:40:42,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:40:42,661 INFO L933 BasicCegarLoop]: 11022 mSDtfsCounter, 0 mSDsluCounter, 11018 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22040 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.00ms IncrementalHoareTripleChecker+Time [2021-11-07 20:40:42,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22040 Invalid, 5 Unknown, 0 Unchecked, 14.61ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 9.00ms Time] [2021-11-07 20:40:42,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8855 states. [2021-11-07 20:40:42,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8855 to 8855. [2021-11-07 20:40:42,850 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) [2021-11-07 20:40:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8855 states to 8855 states and 11024 transitions. [2021-11-07 20:40:42,870 INFO L78 Accepts]: Start accepts. Automaton has 8855 states and 11024 transitions. Word has length 27 [2021-11-07 20:40:42,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:40:42,870 INFO L470 AbstractCegarLoop]: Abstraction has 8855 states and 11024 transitions. [2021-11-07 20:40:42,871 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) [2021-11-07 20:40:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 8855 states and 11024 transitions. [2021-11-07 20:40:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 20:40:42,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:42,871 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] [2021-11-07 20:40:42,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 20:40:42,872 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)] === [2021-11-07 20:40:42,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:42,872 INFO L85 PathProgramCache]: Analyzing trace with hash 744634921, now seen corresponding path program 1 times [2021-11-07 20:40:42,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:42,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477329335] [2021-11-07 20:40:42,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:42,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:43,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:43,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477329335] [2021-11-07 20:40:43,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477329335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:43,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:43,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:40:43,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019116901] [2021-11-07 20:40:43,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:43,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:40:43,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:43,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:40:43,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:40:43,234 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) [2021-11-07 20:40:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:40:43,634 INFO L93 Difference]: Finished difference Result 17664 states and 21850 transitions. [2021-11-07 20:40:43,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:40:43,635 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 [2021-11-07 20:40:43,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:40:43,673 INFO L225 Difference]: With dead ends: 17664 [2021-11-07 20:40:43,673 INFO L226 Difference]: Without dead ends: 10709 [2021-11-07 20:40:43,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.32ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:40:43,697 INFO L933 BasicCegarLoop]: 13206 mSDtfsCounter, 4347 mSDsluCounter, 22045 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4347 SdHoareTripleChecker+Valid, 35251 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.48ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.91ms IncrementalHoareTripleChecker+Time [2021-11-07 20:40:43,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4347 Valid, 35251 Invalid, 30 Unknown, 0 Unchecked, 29.48ms Time], IncrementalHoareTripleChecker [14 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 59.91ms Time] [2021-11-07 20:40:43,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10709 states. [2021-11-07 20:40:43,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10709 to 8857. [2021-11-07 20:40:43,929 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) [2021-11-07 20:40:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8857 states to 8857 states and 11026 transitions. [2021-11-07 20:40:43,949 INFO L78 Accepts]: Start accepts. Automaton has 8857 states and 11026 transitions. Word has length 27 [2021-11-07 20:40:43,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:40:43,950 INFO L470 AbstractCegarLoop]: Abstraction has 8857 states and 11026 transitions. [2021-11-07 20:40:43,950 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) [2021-11-07 20:40:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 8857 states and 11026 transitions. [2021-11-07 20:40:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 20:40:43,951 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:43,951 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] [2021-11-07 20:40:43,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 20:40:43,951 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)] === [2021-11-07 20:40:43,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:43,951 INFO L85 PathProgramCache]: Analyzing trace with hash -332613953, now seen corresponding path program 1 times [2021-11-07 20:40:43,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:43,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800439172] [2021-11-07 20:40:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:43,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:44,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:44,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800439172] [2021-11-07 20:40:44,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800439172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:44,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:44,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:40:44,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052826622] [2021-11-07 20:40:44,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:44,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:40:44,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:44,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:40:44,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:40:44,316 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) [2021-11-07 20:40:44,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:40:44,541 INFO L93 Difference]: Finished difference Result 8857 states and 11026 transitions. [2021-11-07 20:40:44,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:40:44,542 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 [2021-11-07 20:40:44,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:40:44,564 INFO L225 Difference]: With dead ends: 8857 [2021-11-07 20:40:44,565 INFO L226 Difference]: Without dead ends: 8853 [2021-11-07 20:40:44,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.61ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:40:44,572 INFO L933 BasicCegarLoop]: 11015 mSDtfsCounter, 11121 mSDsluCounter, 10889 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11121 SdHoareTripleChecker+Valid, 21904 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.28ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.60ms IncrementalHoareTripleChecker+Time [2021-11-07 20:40:44,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11121 Valid, 21904 Invalid, 6 Unknown, 0 Unchecked, 23.28ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.60ms Time] [2021-11-07 20:40:44,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8853 states. [2021-11-07 20:40:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8853 to 8853. [2021-11-07 20:40:44,925 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) [2021-11-07 20:40:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8853 states to 8853 states and 11022 transitions. [2021-11-07 20:40:44,944 INFO L78 Accepts]: Start accepts. Automaton has 8853 states and 11022 transitions. Word has length 29 [2021-11-07 20:40:44,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:40:44,945 INFO L470 AbstractCegarLoop]: Abstraction has 8853 states and 11022 transitions. [2021-11-07 20:40:44,946 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) [2021-11-07 20:40:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 8853 states and 11022 transitions. [2021-11-07 20:40:44,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 20:40:44,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:44,946 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] [2021-11-07 20:40:44,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 20:40:44,947 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)] === [2021-11-07 20:40:44,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:44,948 INFO L85 PathProgramCache]: Analyzing trace with hash -745077482, now seen corresponding path program 1 times [2021-11-07 20:40:44,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:44,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368702503] [2021-11-07 20:40:44,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:44,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:45,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:45,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368702503] [2021-11-07 20:40:45,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368702503] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:45,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:45,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:40:45,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031649701] [2021-11-07 20:40:45,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:45,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:40:45,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:45,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:40:45,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:40:45,374 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) [2021-11-07 20:40:46,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:40:46,169 INFO L93 Difference]: Finished difference Result 11501 states and 14297 transitions. [2021-11-07 20:40:46,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:40:46,170 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 [2021-11-07 20:40:46,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:40:46,203 INFO L225 Difference]: With dead ends: 11501 [2021-11-07 20:40:46,203 INFO L226 Difference]: Without dead ends: 11467 [2021-11-07 20:40:46,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.52ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:40:46,212 INFO L933 BasicCegarLoop]: 12488 mSDtfsCounter, 16516 mSDsluCounter, 8523 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 366.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16517 SdHoareTripleChecker+Valid, 21011 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.43ms SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 435.68ms IncrementalHoareTripleChecker+Time [2021-11-07 20:40:46,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16517 Valid, 21011 Invalid, 301 Unknown, 0 Unchecked, 36.43ms Time], IncrementalHoareTripleChecker [100 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 435.68ms Time] [2021-11-07 20:40:46,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11467 states. [2021-11-07 20:40:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11467 to 10056. [2021-11-07 20:40:46,492 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) [2021-11-07 20:40:46,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 12639 transitions. [2021-11-07 20:40:46,515 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 12639 transitions. Word has length 29 [2021-11-07 20:40:46,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:40:46,516 INFO L470 AbstractCegarLoop]: Abstraction has 10056 states and 12639 transitions. [2021-11-07 20:40:46,516 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) [2021-11-07 20:40:46,516 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 12639 transitions. [2021-11-07 20:40:46,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 20:40:46,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:46,518 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] [2021-11-07 20:40:46,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 20:40:46,518 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)] === [2021-11-07 20:40:46,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:46,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1813591197, now seen corresponding path program 1 times [2021-11-07 20:40:46,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:46,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430617561] [2021-11-07 20:40:46,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:46,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:46,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:46,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430617561] [2021-11-07 20:40:46,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430617561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:46,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:46,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:40:46,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014882567] [2021-11-07 20:40:46,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:46,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:40:46,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:46,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:40:46,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:40:46,914 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) [2021-11-07 20:40:47,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:40:47,176 INFO L93 Difference]: Finished difference Result 10056 states and 12639 transitions. [2021-11-07 20:40:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:40:47,176 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 [2021-11-07 20:40:47,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:40:47,202 INFO L225 Difference]: With dead ends: 10056 [2021-11-07 20:40:47,203 INFO L226 Difference]: Without dead ends: 10052 [2021-11-07 20:40:47,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.01ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:40:47,212 INFO L933 BasicCegarLoop]: 10977 mSDtfsCounter, 11073 mSDsluCounter, 10859 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11073 SdHoareTripleChecker+Valid, 21836 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.67ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.55ms IncrementalHoareTripleChecker+Time [2021-11-07 20:40:47,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11073 Valid, 21836 Invalid, 6 Unknown, 0 Unchecked, 22.67ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.55ms Time] [2021-11-07 20:40:47,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10052 states. [2021-11-07 20:40:47,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10052 to 10052. [2021-11-07 20:40:47,484 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) [2021-11-07 20:40:47,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10052 states to 10052 states and 12635 transitions. [2021-11-07 20:40:47,507 INFO L78 Accepts]: Start accepts. Automaton has 10052 states and 12635 transitions. Word has length 31 [2021-11-07 20:40:47,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:40:47,507 INFO L470 AbstractCegarLoop]: Abstraction has 10052 states and 12635 transitions. [2021-11-07 20:40:47,507 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) [2021-11-07 20:40:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 10052 states and 12635 transitions. [2021-11-07 20:40:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 20:40:47,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:40:47,509 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] [2021-11-07 20:40:47,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 20:40:47,509 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)] === [2021-11-07 20:40:47,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:40:47,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1392450769, now seen corresponding path program 1 times [2021-11-07 20:40:47,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:40:47,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309214693] [2021-11-07 20:40:47,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:40:47,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:40:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:40:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:40:47,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:40:47,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309214693] [2021-11-07 20:40:47,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309214693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:40:47,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:40:47,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:40:47,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547698821] [2021-11-07 20:40:47,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:40:47,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:40:47,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:40:47,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:40:47,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:40:47,963 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) [2021-11-07 20:40:50,107 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 [] [2021-11-07 20:40:54,033 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 [] [2021-11-07 20:41:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:00,078 INFO L93 Difference]: Finished difference Result 20098 states and 25264 transitions. [2021-11-07 20:41:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:00,079 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 [2021-11-07 20:41:00,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:00,111 INFO L225 Difference]: With dead ends: 20098 [2021-11-07 20:41:00,111 INFO L226 Difference]: Without dead ends: 10062 [2021-11-07 20:41:00,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:00,135 INFO L933 BasicCegarLoop]: 10978 mSDtfsCounter, 10 mSDsluCounter, 20577 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10648.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 31555 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.31ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11570.31ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:00,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 31555 Invalid, 1399 Unknown, 0 Unchecked, 34.31ms Time], IncrementalHoareTripleChecker [1 Valid, 1397 Invalid, 1 Unknown, 0 Unchecked, 11570.31ms Time] [2021-11-07 20:41:00,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10062 states. [2021-11-07 20:41:00,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10062 to 10054. [2021-11-07 20:41:00,405 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) [2021-11-07 20:41:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10054 states to 10054 states and 12637 transitions. [2021-11-07 20:41:00,426 INFO L78 Accepts]: Start accepts. Automaton has 10054 states and 12637 transitions. Word has length 32 [2021-11-07 20:41:00,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:00,426 INFO L470 AbstractCegarLoop]: Abstraction has 10054 states and 12637 transitions. [2021-11-07 20:41:00,426 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) [2021-11-07 20:41:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 10054 states and 12637 transitions. [2021-11-07 20:41:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 20:41:00,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:00,427 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] [2021-11-07 20:41:00,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 20:41:00,428 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)] === [2021-11-07 20:41:00,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:00,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1133655445, now seen corresponding path program 1 times [2021-11-07 20:41:00,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:00,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160752333] [2021-11-07 20:41:00,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:00,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:00,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:00,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160752333] [2021-11-07 20:41:00,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160752333] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:00,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:00,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:41:00,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776408388] [2021-11-07 20:41:00,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:00,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:41:00,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:00,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:41:00,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:41:00,851 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) [2021-11-07 20:41:02,985 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 [] [2021-11-07 20:41:10,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:10,852 INFO L93 Difference]: Finished difference Result 20110 states and 25281 transitions. [2021-11-07 20:41:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:41:10,853 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 [2021-11-07 20:41:10,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:10,879 INFO L225 Difference]: With dead ends: 20110 [2021-11-07 20:41:10,879 INFO L226 Difference]: Without dead ends: 10072 [2021-11-07 20:41:10,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 31.09ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-07 20:41:10,900 INFO L933 BasicCegarLoop]: 10977 mSDtfsCounter, 18 mSDsluCounter, 42515 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8701.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 53492 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.58ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9518.49ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:10,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 53492 Invalid, 1439 Unknown, 0 Unchecked, 35.58ms Time], IncrementalHoareTripleChecker [11 Valid, 1427 Invalid, 1 Unknown, 0 Unchecked, 9518.49ms Time] [2021-11-07 20:41:10,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10072 states. [2021-11-07 20:41:11,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10072 to 10068. [2021-11-07 20:41:11,312 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) [2021-11-07 20:41:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 12657 transitions. [2021-11-07 20:41:11,330 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 12657 transitions. Word has length 32 [2021-11-07 20:41:11,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:11,330 INFO L470 AbstractCegarLoop]: Abstraction has 10068 states and 12657 transitions. [2021-11-07 20:41:11,331 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) [2021-11-07 20:41:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 12657 transitions. [2021-11-07 20:41:11,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 20:41:11,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:11,333 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] [2021-11-07 20:41:11,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 20:41:11,333 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)] === [2021-11-07 20:41:11,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:11,333 INFO L85 PathProgramCache]: Analyzing trace with hash 896419943, now seen corresponding path program 1 times [2021-11-07 20:41:11,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:11,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457958388] [2021-11-07 20:41:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:11,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:11,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:11,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:11,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457958388] [2021-11-07 20:41:11,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457958388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:11,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:11,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:11,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286372313] [2021-11-07 20:41:11,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:11,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:11,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:11,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:11,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:11,685 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) [2021-11-07 20:41:11,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:11,941 INFO L93 Difference]: Finished difference Result 10068 states and 12657 transitions. [2021-11-07 20:41:11,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:11,942 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 [2021-11-07 20:41:11,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:11,969 INFO L225 Difference]: With dead ends: 10068 [2021-11-07 20:41:11,970 INFO L226 Difference]: Without dead ends: 10064 [2021-11-07 20:41:11,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:11,976 INFO L933 BasicCegarLoop]: 10973 mSDtfsCounter, 11059 mSDsluCounter, 10863 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11059 SdHoareTripleChecker+Valid, 21836 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.79ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.30ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:11,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11059 Valid, 21836 Invalid, 6 Unknown, 0 Unchecked, 18.79ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.30ms Time] [2021-11-07 20:41:11,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10064 states. [2021-11-07 20:41:12,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10064 to 10064. [2021-11-07 20:41:12,256 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) [2021-11-07 20:41:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10064 states to 10064 states and 12653 transitions. [2021-11-07 20:41:12,278 INFO L78 Accepts]: Start accepts. Automaton has 10064 states and 12653 transitions. Word has length 33 [2021-11-07 20:41:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:12,279 INFO L470 AbstractCegarLoop]: Abstraction has 10064 states and 12653 transitions. [2021-11-07 20:41:12,279 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) [2021-11-07 20:41:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 10064 states and 12653 transitions. [2021-11-07 20:41:12,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 20:41:12,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:12,280 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] [2021-11-07 20:41:12,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 20:41:12,281 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)] === [2021-11-07 20:41:12,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:12,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1835020453, now seen corresponding path program 1 times [2021-11-07 20:41:12,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:12,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317445872] [2021-11-07 20:41:12,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:12,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:12,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:12,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317445872] [2021-11-07 20:41:12,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317445872] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:12,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:12,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:41:12,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103541769] [2021-11-07 20:41:12,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:12,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:12,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:12,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:12,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:12,663 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) [2021-11-07 20:41:12,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:12,889 INFO L93 Difference]: Finished difference Result 10110 states and 12711 transitions. [2021-11-07 20:41:12,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:41:12,889 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 [2021-11-07 20:41:12,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:12,912 INFO L225 Difference]: With dead ends: 10110 [2021-11-07 20:41:12,913 INFO L226 Difference]: Without dead ends: 10108 [2021-11-07 20:41:12,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.86ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:12,918 INFO L933 BasicCegarLoop]: 10980 mSDtfsCounter, 132 mSDsluCounter, 21914 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 32894 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.31ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.87ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:12,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 32894 Invalid, 8 Unknown, 0 Unchecked, 14.31ms Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 6.87ms Time] [2021-11-07 20:41:12,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10108 states. [2021-11-07 20:41:13,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10108 to 10066. [2021-11-07 20:41:13,424 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) [2021-11-07 20:41:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10066 states to 10066 states and 12655 transitions. [2021-11-07 20:41:13,446 INFO L78 Accepts]: Start accepts. Automaton has 10066 states and 12655 transitions. Word has length 34 [2021-11-07 20:41:13,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:13,446 INFO L470 AbstractCegarLoop]: Abstraction has 10066 states and 12655 transitions. [2021-11-07 20:41:13,447 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) [2021-11-07 20:41:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 10066 states and 12655 transitions. [2021-11-07 20:41:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 20:41:13,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:13,448 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] [2021-11-07 20:41:13,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 20:41:13,448 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)] === [2021-11-07 20:41:13,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:13,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1834960871, now seen corresponding path program 1 times [2021-11-07 20:41:13,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:13,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775066277] [2021-11-07 20:41:13,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:13,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:14,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:14,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:14,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775066277] [2021-11-07 20:41:14,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775066277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:14,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:14,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:14,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507729490] [2021-11-07 20:41:14,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:14,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:14,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:14,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:14,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:14,421 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) [2021-11-07 20:41:16,565 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 [] [2021-11-07 20:41:17,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:17,315 INFO L93 Difference]: Finished difference Result 20081 states and 25240 transitions. [2021-11-07 20:41:17,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:17,316 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 [2021-11-07 20:41:17,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:17,339 INFO L225 Difference]: With dead ends: 20081 [2021-11-07 20:41:17,339 INFO L226 Difference]: Without dead ends: 10030 [2021-11-07 20:41:17,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.97ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:17,358 INFO L933 BasicCegarLoop]: 10945 mSDtfsCounter, 10936 mSDsluCounter, 10860 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2299.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10936 SdHoareTripleChecker+Valid, 21805 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.86ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2425.66ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:17,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10936 Valid, 21805 Invalid, 91 Unknown, 0 Unchecked, 22.86ms Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 2425.66ms Time] [2021-11-07 20:41:17,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10030 states. [2021-11-07 20:41:17,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10030 to 10030. [2021-11-07 20:41:17,644 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) [2021-11-07 20:41:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10030 states to 10030 states and 12602 transitions. [2021-11-07 20:41:17,662 INFO L78 Accepts]: Start accepts. Automaton has 10030 states and 12602 transitions. Word has length 34 [2021-11-07 20:41:17,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:17,663 INFO L470 AbstractCegarLoop]: Abstraction has 10030 states and 12602 transitions. [2021-11-07 20:41:17,663 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) [2021-11-07 20:41:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 10030 states and 12602 transitions. [2021-11-07 20:41:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 20:41:17,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:17,664 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] [2021-11-07 20:41:17,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 20:41:17,664 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)] === [2021-11-07 20:41:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:17,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1828022837, now seen corresponding path program 1 times [2021-11-07 20:41:17,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:17,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811227725] [2021-11-07 20:41:17,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:17,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:18,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:18,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811227725] [2021-11-07 20:41:18,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811227725] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:18,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:18,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:18,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195622120] [2021-11-07 20:41:18,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:18,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:18,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:18,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:18,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:18,016 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) [2021-11-07 20:41:18,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:18,285 INFO L93 Difference]: Finished difference Result 10030 states and 12602 transitions. [2021-11-07 20:41:18,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:18,285 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 [2021-11-07 20:41:18,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:18,304 INFO L225 Difference]: With dead ends: 10030 [2021-11-07 20:41:18,304 INFO L226 Difference]: Without dead ends: 10026 [2021-11-07 20:41:18,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.90ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:18,310 INFO L933 BasicCegarLoop]: 10940 mSDtfsCounter, 11016 mSDsluCounter, 10838 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11016 SdHoareTripleChecker+Valid, 21778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.54ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.82ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:18,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11016 Valid, 21778 Invalid, 6 Unknown, 0 Unchecked, 17.54ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.82ms Time] [2021-11-07 20:41:18,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10026 states. [2021-11-07 20:41:18,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10026 to 10026. [2021-11-07 20:41:18,598 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) [2021-11-07 20:41:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10026 states to 10026 states and 12598 transitions. [2021-11-07 20:41:18,616 INFO L78 Accepts]: Start accepts. Automaton has 10026 states and 12598 transitions. Word has length 35 [2021-11-07 20:41:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:18,617 INFO L470 AbstractCegarLoop]: Abstraction has 10026 states and 12598 transitions. [2021-11-07 20:41:18,617 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) [2021-11-07 20:41:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 10026 states and 12598 transitions. [2021-11-07 20:41:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 20:41:18,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:18,618 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] [2021-11-07 20:41:18,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 20:41:18,618 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)] === [2021-11-07 20:41:18,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:18,618 INFO L85 PathProgramCache]: Analyzing trace with hash -87484498, now seen corresponding path program 1 times [2021-11-07 20:41:18,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:18,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146611610] [2021-11-07 20:41:18,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:18,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:18,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:18,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146611610] [2021-11-07 20:41:18,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146611610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:18,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:18,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:18,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901171358] [2021-11-07 20:41:18,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:18,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:18,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:18,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:18,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:18,940 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) [2021-11-07 20:41:19,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:19,293 INFO L93 Difference]: Finished difference Result 10026 states and 12598 transitions. [2021-11-07 20:41:19,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:19,293 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 [2021-11-07 20:41:19,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:19,308 INFO L225 Difference]: With dead ends: 10026 [2021-11-07 20:41:19,308 INFO L226 Difference]: Without dead ends: 10022 [2021-11-07 20:41:19,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.51ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:19,311 INFO L933 BasicCegarLoop]: 10936 mSDtfsCounter, 11002 mSDsluCounter, 10842 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11002 SdHoareTripleChecker+Valid, 21778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.53ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.43ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:19,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11002 Valid, 21778 Invalid, 6 Unknown, 0 Unchecked, 17.53ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.43ms Time] [2021-11-07 20:41:19,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10022 states. [2021-11-07 20:41:19,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10022 to 10022. [2021-11-07 20:41:19,590 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) [2021-11-07 20:41:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10022 states to 10022 states and 12594 transitions. [2021-11-07 20:41:19,606 INFO L78 Accepts]: Start accepts. Automaton has 10022 states and 12594 transitions. Word has length 37 [2021-11-07 20:41:19,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:19,607 INFO L470 AbstractCegarLoop]: Abstraction has 10022 states and 12594 transitions. [2021-11-07 20:41:19,607 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) [2021-11-07 20:41:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 10022 states and 12594 transitions. [2021-11-07 20:41:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 20:41:19,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:19,608 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] [2021-11-07 20:41:19,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 20:41:19,608 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)] === [2021-11-07 20:41:19,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash -703190995, now seen corresponding path program 1 times [2021-11-07 20:41:19,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:19,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372463601] [2021-11-07 20:41:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:19,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:19,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:19,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372463601] [2021-11-07 20:41:19,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372463601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:19,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:19,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:41:19,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391371874] [2021-11-07 20:41:19,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:19,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:19,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:19,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:19,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:19,937 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) [2021-11-07 20:41:22,066 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 [] [2021-11-07 20:41:22,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:22,774 INFO L93 Difference]: Finished difference Result 11694 states and 14564 transitions. [2021-11-07 20:41:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:41:22,774 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 [2021-11-07 20:41:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:22,797 INFO L225 Difference]: With dead ends: 11694 [2021-11-07 20:41:22,797 INFO L226 Difference]: Without dead ends: 11660 [2021-11-07 20:41:22,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:22,803 INFO L933 BasicCegarLoop]: 14411 mSDtfsCounter, 8700 mSDsluCounter, 19857 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 73 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2326.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8716 SdHoareTripleChecker+Valid, 34268 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.16ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2452.60ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:22,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8716 Valid, 34268 Invalid, 299 Unknown, 0 Unchecked, 23.16ms Time], IncrementalHoareTripleChecker [73 Valid, 225 Invalid, 1 Unknown, 0 Unchecked, 2452.60ms Time] [2021-11-07 20:41:22,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11660 states. [2021-11-07 20:41:23,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11660 to 9994. [2021-11-07 20:41:23,117 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) [2021-11-07 20:41:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9994 states to 9994 states and 12566 transitions. [2021-11-07 20:41:23,132 INFO L78 Accepts]: Start accepts. Automaton has 9994 states and 12566 transitions. Word has length 37 [2021-11-07 20:41:23,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:23,133 INFO L470 AbstractCegarLoop]: Abstraction has 9994 states and 12566 transitions. [2021-11-07 20:41:23,133 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) [2021-11-07 20:41:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 9994 states and 12566 transitions. [2021-11-07 20:41:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 20:41:23,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:23,133 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:41:23,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 20:41:23,134 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)] === [2021-11-07 20:41:23,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:23,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1827582450, now seen corresponding path program 1 times [2021-11-07 20:41:23,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:23,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007462322] [2021-11-07 20:41:23,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:23,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:23,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:23,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007462322] [2021-11-07 20:41:23,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007462322] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:23,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:23,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:23,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581568519] [2021-11-07 20:41:23,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:23,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:23,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:23,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:23,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:23,455 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) [2021-11-07 20:41:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:23,847 INFO L93 Difference]: Finished difference Result 9994 states and 12566 transitions. [2021-11-07 20:41:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:23,848 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 [2021-11-07 20:41:23,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:23,863 INFO L225 Difference]: With dead ends: 9994 [2021-11-07 20:41:23,863 INFO L226 Difference]: Without dead ends: 9990 [2021-11-07 20:41:23,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.24ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:23,866 INFO L933 BasicCegarLoop]: 10900 mSDtfsCounter, 10956 mSDsluCounter, 10814 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10956 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.04ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.50ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:23,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10956 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 17.04ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.50ms Time] [2021-11-07 20:41:23,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9990 states. [2021-11-07 20:41:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9990 to 9990. [2021-11-07 20:41:24,179 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) [2021-11-07 20:41:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9990 states to 9990 states and 12562 transitions. [2021-11-07 20:41:24,196 INFO L78 Accepts]: Start accepts. Automaton has 9990 states and 12562 transitions. Word has length 39 [2021-11-07 20:41:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:24,197 INFO L470 AbstractCegarLoop]: Abstraction has 9990 states and 12562 transitions. [2021-11-07 20:41:24,197 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) [2021-11-07 20:41:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 9990 states and 12562 transitions. [2021-11-07 20:41:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 20:41:24,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:24,198 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] [2021-11-07 20:41:24,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 20:41:24,198 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)] === [2021-11-07 20:41:24,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:24,198 INFO L85 PathProgramCache]: Analyzing trace with hash -334050154, now seen corresponding path program 1 times [2021-11-07 20:41:24,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:24,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052726436] [2021-11-07 20:41:24,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:24,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:24,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:24,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:24,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052726436] [2021-11-07 20:41:24,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052726436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:24,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:24,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:24,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976190833] [2021-11-07 20:41:24,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:24,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:24,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:24,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:24,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:24,511 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) [2021-11-07 20:41:24,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:24,839 INFO L93 Difference]: Finished difference Result 9990 states and 12562 transitions. [2021-11-07 20:41:24,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:24,839 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 [2021-11-07 20:41:24,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:24,857 INFO L225 Difference]: With dead ends: 9990 [2021-11-07 20:41:24,857 INFO L226 Difference]: Without dead ends: 9986 [2021-11-07 20:41:24,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:24,862 INFO L933 BasicCegarLoop]: 10896 mSDtfsCounter, 10942 mSDsluCounter, 10818 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10942 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.23ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.15ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:24,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10942 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 17.23ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.15ms Time] [2021-11-07 20:41:24,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9986 states. [2021-11-07 20:41:25,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9986 to 9986. [2021-11-07 20:41:25,186 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) [2021-11-07 20:41:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9986 states to 9986 states and 12558 transitions. [2021-11-07 20:41:25,203 INFO L78 Accepts]: Start accepts. Automaton has 9986 states and 12558 transitions. Word has length 41 [2021-11-07 20:41:25,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:25,203 INFO L470 AbstractCegarLoop]: Abstraction has 9986 states and 12558 transitions. [2021-11-07 20:41:25,204 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) [2021-11-07 20:41:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 9986 states and 12558 transitions. [2021-11-07 20:41:25,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 20:41:25,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:25,204 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] [2021-11-07 20:41:25,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 20:41:25,205 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)] === [2021-11-07 20:41:25,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:25,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1101189018, now seen corresponding path program 1 times [2021-11-07 20:41:25,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:25,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908474326] [2021-11-07 20:41:25,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:25,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:25,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:25,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:25,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908474326] [2021-11-07 20:41:25,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908474326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:25,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:25,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:25,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968803665] [2021-11-07 20:41:25,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:25,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:25,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:25,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:25,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:25,554 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) [2021-11-07 20:41:25,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:25,940 INFO L93 Difference]: Finished difference Result 9986 states and 12558 transitions. [2021-11-07 20:41:25,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:25,941 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 [2021-11-07 20:41:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:25,954 INFO L225 Difference]: With dead ends: 9986 [2021-11-07 20:41:25,954 INFO L226 Difference]: Without dead ends: 9982 [2021-11-07 20:41:25,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.27ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:25,957 INFO L933 BasicCegarLoop]: 10892 mSDtfsCounter, 10928 mSDsluCounter, 10822 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10928 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.17ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.85ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:25,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10928 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 18.17ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.85ms Time] [2021-11-07 20:41:25,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9982 states. [2021-11-07 20:41:26,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9982 to 9982. [2021-11-07 20:41:26,293 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) [2021-11-07 20:41:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 12554 transitions. [2021-11-07 20:41:26,309 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 12554 transitions. Word has length 43 [2021-11-07 20:41:26,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:26,309 INFO L470 AbstractCegarLoop]: Abstraction has 9982 states and 12554 transitions. [2021-11-07 20:41:26,309 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) [2021-11-07 20:41:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 12554 transitions. [2021-11-07 20:41:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 20:41:26,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:26,310 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] [2021-11-07 20:41:26,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 20:41:26,310 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)] === [2021-11-07 20:41:26,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:26,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1681531646, now seen corresponding path program 1 times [2021-11-07 20:41:26,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:26,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2631553] [2021-11-07 20:41:26,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:26,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:26,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:26,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2631553] [2021-11-07 20:41:26,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2631553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:26,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:26,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:26,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718011328] [2021-11-07 20:41:26,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:26,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:26,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:26,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:26,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:26,677 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) [2021-11-07 20:41:27,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:27,065 INFO L93 Difference]: Finished difference Result 9982 states and 12554 transitions. [2021-11-07 20:41:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:27,066 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 [2021-11-07 20:41:27,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:27,082 INFO L225 Difference]: With dead ends: 9982 [2021-11-07 20:41:27,082 INFO L226 Difference]: Without dead ends: 9978 [2021-11-07 20:41:27,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.98ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:27,085 INFO L933 BasicCegarLoop]: 10888 mSDtfsCounter, 10914 mSDsluCounter, 10826 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10914 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.13ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.04ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:27,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10914 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 19.13ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.04ms Time] [2021-11-07 20:41:27,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9978 states. [2021-11-07 20:41:27,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9978 to 9978. [2021-11-07 20:41:27,471 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) [2021-11-07 20:41:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9978 states to 9978 states and 12550 transitions. [2021-11-07 20:41:27,490 INFO L78 Accepts]: Start accepts. Automaton has 9978 states and 12550 transitions. Word has length 45 [2021-11-07 20:41:27,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:27,490 INFO L470 AbstractCegarLoop]: Abstraction has 9978 states and 12550 transitions. [2021-11-07 20:41:27,490 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) [2021-11-07 20:41:27,490 INFO L276 IsEmpty]: Start isEmpty. Operand 9978 states and 12550 transitions. [2021-11-07 20:41:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 20:41:27,491 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:27,491 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] [2021-11-07 20:41:27,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 20:41:27,491 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)] === [2021-11-07 20:41:27,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:27,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1045049026, now seen corresponding path program 1 times [2021-11-07 20:41:27,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:27,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745272641] [2021-11-07 20:41:27,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:27,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:27,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:27,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745272641] [2021-11-07 20:41:27,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745272641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:27,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:27,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:27,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049810167] [2021-11-07 20:41:27,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:27,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:27,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:27,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:27,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:27,814 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) [2021-11-07 20:41:28,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:28,212 INFO L93 Difference]: Finished difference Result 9978 states and 12550 transitions. [2021-11-07 20:41:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:28,213 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 [2021-11-07 20:41:28,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:28,228 INFO L225 Difference]: With dead ends: 9978 [2021-11-07 20:41:28,228 INFO L226 Difference]: Without dead ends: 9974 [2021-11-07 20:41:28,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.61ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:28,231 INFO L933 BasicCegarLoop]: 10884 mSDtfsCounter, 10900 mSDsluCounter, 10830 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10900 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.53ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.34ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:28,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10900 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 17.53ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.34ms Time] [2021-11-07 20:41:28,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9974 states. [2021-11-07 20:41:28,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9974 to 9974. [2021-11-07 20:41:28,597 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) [2021-11-07 20:41:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9974 states to 9974 states and 12546 transitions. [2021-11-07 20:41:28,612 INFO L78 Accepts]: Start accepts. Automaton has 9974 states and 12546 transitions. Word has length 47 [2021-11-07 20:41:28,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:28,613 INFO L470 AbstractCegarLoop]: Abstraction has 9974 states and 12546 transitions. [2021-11-07 20:41:28,613 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) [2021-11-07 20:41:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 9974 states and 12546 transitions. [2021-11-07 20:41:28,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 20:41:28,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:28,614 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] [2021-11-07 20:41:28,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 20:41:28,614 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)] === [2021-11-07 20:41:28,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:28,614 INFO L85 PathProgramCache]: Analyzing trace with hash -729392410, now seen corresponding path program 1 times [2021-11-07 20:41:28,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:28,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560605408] [2021-11-07 20:41:28,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:28,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:28,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:28,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:28,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560605408] [2021-11-07 20:41:28,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560605408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:28,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:28,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:28,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031899870] [2021-11-07 20:41:28,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:28,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:28,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:28,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:28,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:28,924 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) [2021-11-07 20:41:29,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:29,328 INFO L93 Difference]: Finished difference Result 9974 states and 12546 transitions. [2021-11-07 20:41:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:29,328 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 [2021-11-07 20:41:29,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:29,345 INFO L225 Difference]: With dead ends: 9974 [2021-11-07 20:41:29,345 INFO L226 Difference]: Without dead ends: 9970 [2021-11-07 20:41:29,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.38ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:29,349 INFO L933 BasicCegarLoop]: 10880 mSDtfsCounter, 10886 mSDsluCounter, 10834 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10886 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.11ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.31ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:29,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10886 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 19.11ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.31ms Time] [2021-11-07 20:41:29,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9970 states. [2021-11-07 20:41:29,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9970 to 9970. [2021-11-07 20:41:29,833 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) [2021-11-07 20:41:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 12542 transitions. [2021-11-07 20:41:29,848 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 12542 transitions. Word has length 49 [2021-11-07 20:41:29,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:29,848 INFO L470 AbstractCegarLoop]: Abstraction has 9970 states and 12542 transitions. [2021-11-07 20:41:29,848 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) [2021-11-07 20:41:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 12542 transitions. [2021-11-07 20:41:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 20:41:29,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:29,849 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] [2021-11-07 20:41:29,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 20:41:29,849 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)] === [2021-11-07 20:41:29,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:29,850 INFO L85 PathProgramCache]: Analyzing trace with hash -865595542, now seen corresponding path program 1 times [2021-11-07 20:41:29,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:29,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807897777] [2021-11-07 20:41:29,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:29,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:30,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:30,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807897777] [2021-11-07 20:41:30,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807897777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:30,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:30,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:30,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142513165] [2021-11-07 20:41:30,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:30,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:30,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:30,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:30,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:30,495 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) [2021-11-07 20:41:30,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:30,908 INFO L93 Difference]: Finished difference Result 9970 states and 12542 transitions. [2021-11-07 20:41:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:30,909 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 [2021-11-07 20:41:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:30,927 INFO L225 Difference]: With dead ends: 9970 [2021-11-07 20:41:30,928 INFO L226 Difference]: Without dead ends: 9966 [2021-11-07 20:41:30,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:30,934 INFO L933 BasicCegarLoop]: 10876 mSDtfsCounter, 10872 mSDsluCounter, 10838 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10872 SdHoareTripleChecker+Valid, 21714 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.69ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.49ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:30,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10872 Valid, 21714 Invalid, 6 Unknown, 0 Unchecked, 18.69ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.49ms Time] [2021-11-07 20:41:30,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9966 states. [2021-11-07 20:41:31,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9966 to 9966. [2021-11-07 20:41:31,348 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) [2021-11-07 20:41:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9966 states to 9966 states and 12538 transitions. [2021-11-07 20:41:31,364 INFO L78 Accepts]: Start accepts. Automaton has 9966 states and 12538 transitions. Word has length 51 [2021-11-07 20:41:31,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:31,364 INFO L470 AbstractCegarLoop]: Abstraction has 9966 states and 12538 transitions. [2021-11-07 20:41:31,364 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) [2021-11-07 20:41:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 9966 states and 12538 transitions. [2021-11-07 20:41:31,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 20:41:31,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:31,365 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] [2021-11-07 20:41:31,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 20:41:31,365 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)] === [2021-11-07 20:41:31,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:31,366 INFO L85 PathProgramCache]: Analyzing trace with hash -213682513, now seen corresponding path program 1 times [2021-11-07 20:41:31,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:31,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580696157] [2021-11-07 20:41:31,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:31,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:31,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:31,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580696157] [2021-11-07 20:41:31,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580696157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:31,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:31,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:31,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802030488] [2021-11-07 20:41:31,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:31,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:31,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:31,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:31,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:31,695 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) [2021-11-07 20:41:32,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:32,473 INFO L93 Difference]: Finished difference Result 11258 states and 14043 transitions. [2021-11-07 20:41:32,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:41:32,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 20:41:32,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:32,490 INFO L225 Difference]: With dead ends: 11258 [2021-11-07 20:41:32,491 INFO L226 Difference]: Without dead ends: 11250 [2021-11-07 20:41:32,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.27ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:32,494 INFO L933 BasicCegarLoop]: 12335 mSDtfsCounter, 16899 mSDsluCounter, 6184 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 162.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16899 SdHoareTripleChecker+Valid, 18519 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.55ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 191.41ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:32,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16899 Valid, 18519 Invalid, 161 Unknown, 0 Unchecked, 21.55ms Time], IncrementalHoareTripleChecker [63 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 191.41ms Time] [2021-11-07 20:41:32,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11250 states. [2021-11-07 20:41:32,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11250 to 9958. [2021-11-07 20:41:32,897 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) [2021-11-07 20:41:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 12530 transitions. [2021-11-07 20:41:32,911 INFO L78 Accepts]: Start accepts. Automaton has 9958 states and 12530 transitions. Word has length 51 [2021-11-07 20:41:32,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:32,912 INFO L470 AbstractCegarLoop]: Abstraction has 9958 states and 12530 transitions. [2021-11-07 20:41:32,912 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) [2021-11-07 20:41:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 9958 states and 12530 transitions. [2021-11-07 20:41:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 20:41:32,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:32,913 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] [2021-11-07 20:41:32,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 20:41:32,913 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)] === [2021-11-07 20:41:32,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:32,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1387181134, now seen corresponding path program 1 times [2021-11-07 20:41:32,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:32,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557845686] [2021-11-07 20:41:32,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:32,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:33,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:33,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557845686] [2021-11-07 20:41:33,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557845686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:33,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:33,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:33,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321167100] [2021-11-07 20:41:33,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:33,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:33,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:33,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:33,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:33,213 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) [2021-11-07 20:41:33,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:33,643 INFO L93 Difference]: Finished difference Result 9958 states and 12530 transitions. [2021-11-07 20:41:33,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:33,643 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 [2021-11-07 20:41:33,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:33,659 INFO L225 Difference]: With dead ends: 9958 [2021-11-07 20:41:33,659 INFO L226 Difference]: Without dead ends: 9954 [2021-11-07 20:41:33,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.26ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:33,663 INFO L933 BasicCegarLoop]: 10864 mSDtfsCounter, 10850 mSDsluCounter, 10834 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10850 SdHoareTripleChecker+Valid, 21698 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.30ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.41ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:33,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10850 Valid, 21698 Invalid, 6 Unknown, 0 Unchecked, 17.30ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.41ms Time] [2021-11-07 20:41:33,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9954 states. [2021-11-07 20:41:34,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9954 to 9954. [2021-11-07 20:41:34,154 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) [2021-11-07 20:41:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9954 states to 9954 states and 12526 transitions. [2021-11-07 20:41:34,168 INFO L78 Accepts]: Start accepts. Automaton has 9954 states and 12526 transitions. Word has length 53 [2021-11-07 20:41:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:34,169 INFO L470 AbstractCegarLoop]: Abstraction has 9954 states and 12526 transitions. [2021-11-07 20:41:34,169 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) [2021-11-07 20:41:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 9954 states and 12526 transitions. [2021-11-07 20:41:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 20:41:34,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:34,170 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] [2021-11-07 20:41:34,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-07 20:41:34,170 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)] === [2021-11-07 20:41:34,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:34,170 INFO L85 PathProgramCache]: Analyzing trace with hash 560018832, now seen corresponding path program 1 times [2021-11-07 20:41:34,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:34,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765308886] [2021-11-07 20:41:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:34,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:34,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:34,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765308886] [2021-11-07 20:41:34,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765308886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:34,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:34,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:41:34,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881513815] [2021-11-07 20:41:34,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:34,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:41:34,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:34,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:41:34,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:34,803 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) [2021-11-07 20:41:35,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:35,720 INFO L93 Difference]: Finished difference Result 21575 states and 26912 transitions. [2021-11-07 20:41:35,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:41:35,721 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 [2021-11-07 20:41:35,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:35,745 INFO L225 Difference]: With dead ends: 21575 [2021-11-07 20:41:35,745 INFO L226 Difference]: Without dead ends: 13481 [2021-11-07 20:41:35,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.03ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:41:35,763 INFO L933 BasicCegarLoop]: 12969 mSDtfsCounter, 8333 mSDsluCounter, 36762 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8340 SdHoareTripleChecker+Valid, 49731 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.20ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.96ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:35,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8340 Valid, 49731 Invalid, 64 Unknown, 0 Unchecked, 30.20ms Time], IncrementalHoareTripleChecker [22 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 66.96ms Time] [2021-11-07 20:41:35,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13481 states. [2021-11-07 20:41:36,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13481 to 9957. [2021-11-07 20:41:36,345 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) [2021-11-07 20:41:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9957 states to 9957 states and 12529 transitions. [2021-11-07 20:41:36,362 INFO L78 Accepts]: Start accepts. Automaton has 9957 states and 12529 transitions. Word has length 54 [2021-11-07 20:41:36,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:36,363 INFO L470 AbstractCegarLoop]: Abstraction has 9957 states and 12529 transitions. [2021-11-07 20:41:36,363 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) [2021-11-07 20:41:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 9957 states and 12529 transitions. [2021-11-07 20:41:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 20:41:36,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:36,363 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] [2021-11-07 20:41:36,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 20:41:36,364 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)] === [2021-11-07 20:41:36,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:36,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1642049938, now seen corresponding path program 1 times [2021-11-07 20:41:36,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:36,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800744435] [2021-11-07 20:41:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:36,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:36,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:36,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800744435] [2021-11-07 20:41:36,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800744435] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:36,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:36,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:36,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929084446] [2021-11-07 20:41:36,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:36,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:36,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:36,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:36,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:36,716 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) [2021-11-07 20:41:37,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:37,176 INFO L93 Difference]: Finished difference Result 9957 states and 12529 transitions. [2021-11-07 20:41:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:37,177 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 [2021-11-07 20:41:37,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:37,193 INFO L225 Difference]: With dead ends: 9957 [2021-11-07 20:41:37,193 INFO L226 Difference]: Without dead ends: 9953 [2021-11-07 20:41:37,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.46ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:37,197 INFO L933 BasicCegarLoop]: 10860 mSDtfsCounter, 10836 mSDsluCounter, 10838 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10836 SdHoareTripleChecker+Valid, 21698 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.32ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.67ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:37,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10836 Valid, 21698 Invalid, 6 Unknown, 0 Unchecked, 18.32ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.67ms Time] [2021-11-07 20:41:37,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9953 states. [2021-11-07 20:41:37,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9953 to 9953. [2021-11-07 20:41:37,650 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) [2021-11-07 20:41:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9953 states to 9953 states and 12525 transitions. [2021-11-07 20:41:37,666 INFO L78 Accepts]: Start accepts. Automaton has 9953 states and 12525 transitions. Word has length 55 [2021-11-07 20:41:37,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:37,666 INFO L470 AbstractCegarLoop]: Abstraction has 9953 states and 12525 transitions. [2021-11-07 20:41:37,666 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) [2021-11-07 20:41:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 9953 states and 12525 transitions. [2021-11-07 20:41:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 20:41:37,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:37,667 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] [2021-11-07 20:41:37,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-07 20:41:37,667 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)] === [2021-11-07 20:41:37,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:37,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1757835062, now seen corresponding path program 1 times [2021-11-07 20:41:37,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:37,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563807920] [2021-11-07 20:41:37,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:37,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:38,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:38,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563807920] [2021-11-07 20:41:38,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563807920] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:38,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:38,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:38,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300711014] [2021-11-07 20:41:38,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:38,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:38,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:38,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:38,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:38,033 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) [2021-11-07 20:41:38,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:38,500 INFO L93 Difference]: Finished difference Result 9953 states and 12525 transitions. [2021-11-07 20:41:38,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:38,500 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 [2021-11-07 20:41:38,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:38,517 INFO L225 Difference]: With dead ends: 9953 [2021-11-07 20:41:38,517 INFO L226 Difference]: Without dead ends: 9949 [2021-11-07 20:41:38,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.95ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:38,521 INFO L933 BasicCegarLoop]: 10856 mSDtfsCounter, 10822 mSDsluCounter, 10842 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10822 SdHoareTripleChecker+Valid, 21698 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.45ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.85ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:38,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10822 Valid, 21698 Invalid, 6 Unknown, 0 Unchecked, 17.45ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 9.85ms Time] [2021-11-07 20:41:38,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9949 states. [2021-11-07 20:41:38,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9949 to 9949. [2021-11-07 20:41:38,987 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) [2021-11-07 20:41:39,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9949 states to 9949 states and 12521 transitions. [2021-11-07 20:41:39,003 INFO L78 Accepts]: Start accepts. Automaton has 9949 states and 12521 transitions. Word has length 57 [2021-11-07 20:41:39,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:39,003 INFO L470 AbstractCegarLoop]: Abstraction has 9949 states and 12521 transitions. [2021-11-07 20:41:39,003 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) [2021-11-07 20:41:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 9949 states and 12521 transitions. [2021-11-07 20:41:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 20:41:39,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:39,004 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] [2021-11-07 20:41:39,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 20:41:39,005 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)] === [2021-11-07 20:41:39,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:39,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1358189882, now seen corresponding path program 1 times [2021-11-07 20:41:39,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:39,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348947367] [2021-11-07 20:41:39,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:39,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:39,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:39,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348947367] [2021-11-07 20:41:39,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348947367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:39,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:39,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:39,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941990982] [2021-11-07 20:41:39,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:39,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:39,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:39,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:39,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:39,304 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) [2021-11-07 20:41:39,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:39,872 INFO L93 Difference]: Finished difference Result 9949 states and 12521 transitions. [2021-11-07 20:41:39,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:39,872 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 [2021-11-07 20:41:39,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:39,887 INFO L225 Difference]: With dead ends: 9949 [2021-11-07 20:41:39,887 INFO L226 Difference]: Without dead ends: 9945 [2021-11-07 20:41:39,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.98ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:39,891 INFO L933 BasicCegarLoop]: 10852 mSDtfsCounter, 10808 mSDsluCounter, 10846 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10808 SdHoareTripleChecker+Valid, 21698 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.47ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.80ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:39,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10808 Valid, 21698 Invalid, 6 Unknown, 0 Unchecked, 18.47ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.80ms Time] [2021-11-07 20:41:39,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9945 states. [2021-11-07 20:41:40,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9945 to 9945. [2021-11-07 20:41:40,396 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) [2021-11-07 20:41:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9945 states to 9945 states and 12517 transitions. [2021-11-07 20:41:40,412 INFO L78 Accepts]: Start accepts. Automaton has 9945 states and 12517 transitions. Word has length 59 [2021-11-07 20:41:40,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:40,413 INFO L470 AbstractCegarLoop]: Abstraction has 9945 states and 12517 transitions. [2021-11-07 20:41:40,413 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) [2021-11-07 20:41:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 9945 states and 12517 transitions. [2021-11-07 20:41:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 20:41:40,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:40,414 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] [2021-11-07 20:41:40,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-07 20:41:40,414 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)] === [2021-11-07 20:41:40,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:40,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1008298393, now seen corresponding path program 1 times [2021-11-07 20:41:40,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:40,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728855572] [2021-11-07 20:41:40,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:40,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:40,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:40,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728855572] [2021-11-07 20:41:40,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728855572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:40,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:40,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:41:40,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635646165] [2021-11-07 20:41:40,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:40,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:40,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:40,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:40,717 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) [2021-11-07 20:41:42,858 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 [] [2021-11-07 20:41:43,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:43,744 INFO L93 Difference]: Finished difference Result 11493 states and 14363 transitions. [2021-11-07 20:41:43,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:41:43,744 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 [2021-11-07 20:41:43,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:43,758 INFO L225 Difference]: With dead ends: 11493 [2021-11-07 20:41:43,759 INFO L226 Difference]: Without dead ends: 11485 [2021-11-07 20:41:43,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.35ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:43,761 INFO L933 BasicCegarLoop]: 12663 mSDtfsCounter, 6379 mSDsluCounter, 18799 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2226.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6396 SdHoareTripleChecker+Valid, 31462 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.48ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2316.68ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:43,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6396 Valid, 31462 Invalid, 126 Unknown, 0 Unchecked, 20.48ms Time], IncrementalHoareTripleChecker [31 Valid, 94 Invalid, 1 Unknown, 0 Unchecked, 2316.68ms Time] [2021-11-07 20:41:43,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11485 states. [2021-11-07 20:41:44,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11485 to 9937. [2021-11-07 20:41:44,229 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) [2021-11-07 20:41:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 12509 transitions. [2021-11-07 20:41:44,243 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 12509 transitions. Word has length 59 [2021-11-07 20:41:44,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:44,243 INFO L470 AbstractCegarLoop]: Abstraction has 9937 states and 12509 transitions. [2021-11-07 20:41:44,244 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) [2021-11-07 20:41:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 12509 transitions. [2021-11-07 20:41:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 20:41:44,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:44,244 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] [2021-11-07 20:41:44,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 20:41:44,245 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)] === [2021-11-07 20:41:44,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:44,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1764434659, now seen corresponding path program 1 times [2021-11-07 20:41:44,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:44,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476487902] [2021-11-07 20:41:44,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:44,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:44,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:44,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476487902] [2021-11-07 20:41:44,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476487902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:44,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:44,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:41:44,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989285399] [2021-11-07 20:41:44,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:44,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:41:44,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:44,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:41:44,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:44,740 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) [2021-11-07 20:41:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:45,980 INFO L93 Difference]: Finished difference Result 22375 states and 28090 transitions. [2021-11-07 20:41:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:41:45,981 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 [2021-11-07 20:41:45,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:46,001 INFO L225 Difference]: With dead ends: 22375 [2021-11-07 20:41:46,001 INFO L226 Difference]: Without dead ends: 12482 [2021-11-07 20:41:46,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 21.66ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 20:41:46,017 INFO L933 BasicCegarLoop]: 13721 mSDtfsCounter, 22830 mSDsluCounter, 15442 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 317.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22830 SdHoareTripleChecker+Valid, 29163 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.85ms SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 375.91ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:46,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22830 Valid, 29163 Invalid, 537 Unknown, 0 Unchecked, 30.85ms Time], IncrementalHoareTripleChecker [227 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 375.91ms Time] [2021-11-07 20:41:46,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12482 states. [2021-11-07 20:41:46,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12482 to 9937. [2021-11-07 20:41:46,552 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) [2021-11-07 20:41:46,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9937 states to 9937 states and 12460 transitions. [2021-11-07 20:41:46,566 INFO L78 Accepts]: Start accepts. Automaton has 9937 states and 12460 transitions. Word has length 60 [2021-11-07 20:41:46,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:46,566 INFO L470 AbstractCegarLoop]: Abstraction has 9937 states and 12460 transitions. [2021-11-07 20:41:46,566 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) [2021-11-07 20:41:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 9937 states and 12460 transitions. [2021-11-07 20:41:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 20:41:46,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:46,567 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] [2021-11-07 20:41:46,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-07 20:41:46,567 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)] === [2021-11-07 20:41:46,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:46,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1764375077, now seen corresponding path program 1 times [2021-11-07 20:41:46,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:46,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194802634] [2021-11-07 20:41:46,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:46,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:46,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:46,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194802634] [2021-11-07 20:41:46,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194802634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:46,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:46,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:41:46,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882866526] [2021-11-07 20:41:46,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:46,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:46,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:46,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:46,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:46,831 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) [2021-11-07 20:41:47,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:47,923 INFO L93 Difference]: Finished difference Result 12521 states and 15620 transitions. [2021-11-07 20:41:47,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:41:47,923 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 [2021-11-07 20:41:47,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:47,939 INFO L225 Difference]: With dead ends: 12521 [2021-11-07 20:41:47,939 INFO L226 Difference]: Without dead ends: 12423 [2021-11-07 20:41:47,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.12ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:47,942 INFO L933 BasicCegarLoop]: 13740 mSDtfsCounter, 12024 mSDsluCounter, 15413 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 231.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12024 SdHoareTripleChecker+Valid, 29153 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.31ms SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 277.64ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:47,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12024 Valid, 29153 Invalid, 387 Unknown, 0 Unchecked, 22.31ms Time], IncrementalHoareTripleChecker [214 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 277.64ms Time] [2021-11-07 20:41:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12423 states. [2021-11-07 20:41:48,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12423 to 9839. [2021-11-07 20:41:48,486 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) [2021-11-07 20:41:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9839 states to 9839 states and 12362 transitions. [2021-11-07 20:41:48,499 INFO L78 Accepts]: Start accepts. Automaton has 9839 states and 12362 transitions. Word has length 60 [2021-11-07 20:41:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:48,500 INFO L470 AbstractCegarLoop]: Abstraction has 9839 states and 12362 transitions. [2021-11-07 20:41:48,500 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) [2021-11-07 20:41:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 9839 states and 12362 transitions. [2021-11-07 20:41:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 20:41:48,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:48,501 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] [2021-11-07 20:41:48,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-07 20:41:48,501 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)] === [2021-11-07 20:41:48,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:48,501 INFO L85 PathProgramCache]: Analyzing trace with hash -448738402, now seen corresponding path program 1 times [2021-11-07 20:41:48,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:48,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957858283] [2021-11-07 20:41:48,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:48,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:48,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:48,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957858283] [2021-11-07 20:41:48,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957858283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:48,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:48,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:48,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770919881] [2021-11-07 20:41:48,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:48,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:48,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:48,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:48,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:48,769 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) [2021-11-07 20:41:49,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:49,338 INFO L93 Difference]: Finished difference Result 9839 states and 12362 transitions. [2021-11-07 20:41:49,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:41:49,338 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 [2021-11-07 20:41:49,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:49,357 INFO L225 Difference]: With dead ends: 9839 [2021-11-07 20:41:49,357 INFO L226 Difference]: Without dead ends: 9434 [2021-11-07 20:41:49,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.53ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:49,363 INFO L933 BasicCegarLoop]: 10695 mSDtfsCounter, 10639 mSDsluCounter, 10695 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10639 SdHoareTripleChecker+Valid, 21390 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.80ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.40ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:49,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10639 Valid, 21390 Invalid, 4 Unknown, 0 Unchecked, 17.80ms Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 4.40ms Time] [2021-11-07 20:41:49,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9434 states. [2021-11-07 20:41:49,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9434 to 9434. [2021-11-07 20:41:49,955 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) [2021-11-07 20:41:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9434 states to 9434 states and 11926 transitions. [2021-11-07 20:41:49,969 INFO L78 Accepts]: Start accepts. Automaton has 9434 states and 11926 transitions. Word has length 61 [2021-11-07 20:41:49,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:49,969 INFO L470 AbstractCegarLoop]: Abstraction has 9434 states and 11926 transitions. [2021-11-07 20:41:49,969 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) [2021-11-07 20:41:49,969 INFO L276 IsEmpty]: Start isEmpty. Operand 9434 states and 11926 transitions. [2021-11-07 20:41:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 20:41:49,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:49,970 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] [2021-11-07 20:41:49,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-07 20:41:49,970 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)] === [2021-11-07 20:41:49,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:49,970 INFO L85 PathProgramCache]: Analyzing trace with hash -661837717, now seen corresponding path program 1 times [2021-11-07 20:41:49,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:49,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347732336] [2021-11-07 20:41:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:49,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:50,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:50,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:50,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347732336] [2021-11-07 20:41:50,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347732336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:50,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:50,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:41:50,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588194737] [2021-11-07 20:41:50,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:50,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:41:50,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:50,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:41:50,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:41:50,249 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) [2021-11-07 20:41:51,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:51,004 INFO L93 Difference]: Finished difference Result 18601 states and 23637 transitions. [2021-11-07 20:41:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:41:51,004 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 [2021-11-07 20:41:51,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:51,022 INFO L225 Difference]: With dead ends: 18601 [2021-11-07 20:41:51,022 INFO L226 Difference]: Without dead ends: 8950 [2021-11-07 20:41:51,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.73ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:41:51,043 INFO L933 BasicCegarLoop]: 9895 mSDtfsCounter, 9909 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9909 SdHoareTripleChecker+Valid, 9895 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.39ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 132.21ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:51,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9909 Valid, 9895 Invalid, 147 Unknown, 0 Unchecked, 12.39ms Time], IncrementalHoareTripleChecker [73 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 132.21ms Time] [2021-11-07 20:41:51,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8950 states. [2021-11-07 20:41:51,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8950 to 8950. [2021-11-07 20:41:51,643 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) [2021-11-07 20:41:51,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8950 states to 8950 states and 11318 transitions. [2021-11-07 20:41:51,657 INFO L78 Accepts]: Start accepts. Automaton has 8950 states and 11318 transitions. Word has length 63 [2021-11-07 20:41:51,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:51,658 INFO L470 AbstractCegarLoop]: Abstraction has 8950 states and 11318 transitions. [2021-11-07 20:41:51,658 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) [2021-11-07 20:41:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 8950 states and 11318 transitions. [2021-11-07 20:41:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-07 20:41:51,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:51,659 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] [2021-11-07 20:41:51,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-07 20:41:51,659 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)] === [2021-11-07 20:41:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:51,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1700307007, now seen corresponding path program 1 times [2021-11-07 20:41:51,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:51,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367345995] [2021-11-07 20:41:51,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:51,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:52,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:52,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367345995] [2021-11-07 20:41:52,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367345995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:52,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:52,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:52,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143829119] [2021-11-07 20:41:52,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:52,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:41:52,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:52,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:41:52,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:41:52,188 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) [2021-11-07 20:41:53,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:53,189 INFO L93 Difference]: Finished difference Result 12548 states and 15771 transitions. [2021-11-07 20:41:53,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:41:53,189 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 [2021-11-07 20:41:53,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:53,209 INFO L225 Difference]: With dead ends: 12548 [2021-11-07 20:41:53,209 INFO L226 Difference]: Without dead ends: 12530 [2021-11-07 20:41:53,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.93ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:53,214 INFO L933 BasicCegarLoop]: 14063 mSDtfsCounter, 14378 mSDsluCounter, 9189 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 163.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14378 SdHoareTripleChecker+Valid, 23252 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.79ms SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 191.95ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:53,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14378 Valid, 23252 Invalid, 143 Unknown, 0 Unchecked, 23.79ms Time], IncrementalHoareTripleChecker [60 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 191.95ms Time] [2021-11-07 20:41:53,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12530 states. [2021-11-07 20:41:53,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12530 to 8932. [2021-11-07 20:41:53,973 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) [2021-11-07 20:41:53,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8932 states to 8932 states and 11300 transitions. [2021-11-07 20:41:53,987 INFO L78 Accepts]: Start accepts. Automaton has 8932 states and 11300 transitions. Word has length 70 [2021-11-07 20:41:53,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:53,987 INFO L470 AbstractCegarLoop]: Abstraction has 8932 states and 11300 transitions. [2021-11-07 20:41:53,987 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) [2021-11-07 20:41:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 8932 states and 11300 transitions. [2021-11-07 20:41:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 20:41:53,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:53,988 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] [2021-11-07 20:41:53,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-07 20:41:53,988 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)] === [2021-11-07 20:41:53,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:53,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1629323973, now seen corresponding path program 1 times [2021-11-07 20:41:53,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:53,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472686461] [2021-11-07 20:41:53,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:53,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:54,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:54,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472686461] [2021-11-07 20:41:54,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472686461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:54,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:54,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:54,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214024808] [2021-11-07 20:41:54,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:54,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:41:54,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:54,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:41:54,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:41:54,289 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) [2021-11-07 20:41:55,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:55,002 INFO L93 Difference]: Finished difference Result 17817 states and 22548 transitions. [2021-11-07 20:41:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:41:55,003 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 [2021-11-07 20:41:55,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:55,020 INFO L225 Difference]: With dead ends: 17817 [2021-11-07 20:41:55,020 INFO L226 Difference]: Without dead ends: 8929 [2021-11-07 20:41:55,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.93ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:41:55,035 INFO L933 BasicCegarLoop]: 9637 mSDtfsCounter, 9610 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9610 SdHoareTripleChecker+Valid, 9637 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.94ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.18ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:55,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9610 Valid, 9637 Invalid, 4 Unknown, 0 Unchecked, 9.94ms Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 145.18ms Time] [2021-11-07 20:41:55,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states. [2021-11-07 20:41:55,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 8929. [2021-11-07 20:41:55,650 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) [2021-11-07 20:41:55,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8929 states to 8929 states and 11296 transitions. [2021-11-07 20:41:55,662 INFO L78 Accepts]: Start accepts. Automaton has 8929 states and 11296 transitions. Word has length 71 [2021-11-07 20:41:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:55,662 INFO L470 AbstractCegarLoop]: Abstraction has 8929 states and 11296 transitions. [2021-11-07 20:41:55,662 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) [2021-11-07 20:41:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 8929 states and 11296 transitions. [2021-11-07 20:41:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-07 20:41:55,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:55,663 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] [2021-11-07 20:41:55,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-07 20:41:55,664 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)] === [2021-11-07 20:41:55,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:55,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2104323085, now seen corresponding path program 1 times [2021-11-07 20:41:55,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:55,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715465344] [2021-11-07 20:41:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:55,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:55,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:55,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715465344] [2021-11-07 20:41:55,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715465344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:55,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:55,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:41:55,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642564651] [2021-11-07 20:41:55,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:55,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:41:55,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:55,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:41:55,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:41:55,958 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) [2021-11-07 20:41:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:56,899 INFO L93 Difference]: Finished difference Result 17811 states and 22540 transitions. [2021-11-07 20:41:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:41:56,900 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 [2021-11-07 20:41:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:56,917 INFO L225 Difference]: With dead ends: 17811 [2021-11-07 20:41:56,917 INFO L226 Difference]: Without dead ends: 8926 [2021-11-07 20:41:56,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.93ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:41:56,933 INFO L933 BasicCegarLoop]: 9632 mSDtfsCounter, 28609 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 236.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28609 SdHoareTripleChecker+Valid, 9632 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.75ms SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 277.16ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:56,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28609 Valid, 9632 Invalid, 267 Unknown, 0 Unchecked, 19.75ms Time], IncrementalHoareTripleChecker [265 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 277.16ms Time] [2021-11-07 20:41:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8926 states. [2021-11-07 20:41:57,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8926 to 8926. [2021-11-07 20:41:57,487 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) [2021-11-07 20:41:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8926 states to 8926 states and 11292 transitions. [2021-11-07 20:41:57,502 INFO L78 Accepts]: Start accepts. Automaton has 8926 states and 11292 transitions. Word has length 74 [2021-11-07 20:41:57,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:57,502 INFO L470 AbstractCegarLoop]: Abstraction has 8926 states and 11292 transitions. [2021-11-07 20:41:57,502 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) [2021-11-07 20:41:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 8926 states and 11292 transitions. [2021-11-07 20:41:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 20:41:57,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:57,504 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] [2021-11-07 20:41:57,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-07 20:41:57,504 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)] === [2021-11-07 20:41:57,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:57,504 INFO L85 PathProgramCache]: Analyzing trace with hash -460107942, now seen corresponding path program 1 times [2021-11-07 20:41:57,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:57,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726405773] [2021-11-07 20:41:57,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:57,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:57,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:57,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726405773] [2021-11-07 20:41:57,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726405773] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:57,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:57,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:57,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746087877] [2021-11-07 20:41:57,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:57,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:41:57,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:57,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:41:57,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:41:57,801 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) [2021-11-07 20:41:58,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:41:58,551 INFO L93 Difference]: Finished difference Result 12691 states and 16074 transitions. [2021-11-07 20:41:58,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:41:58,552 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 [2021-11-07 20:41:58,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:41:58,572 INFO L225 Difference]: With dead ends: 12691 [2021-11-07 20:41:58,572 INFO L226 Difference]: Without dead ends: 9908 [2021-11-07 20:41:58,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.97ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:41:58,581 INFO L933 BasicCegarLoop]: 10842 mSDtfsCounter, 1204 mSDsluCounter, 9634 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 20476 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.33ms IncrementalHoareTripleChecker+Time [2021-11-07 20:41:58,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1211 Valid, 20476 Invalid, 11 Unknown, 0 Unchecked, 11.39ms Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 23.33ms Time] [2021-11-07 20:41:58,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9908 states. [2021-11-07 20:41:59,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9908 to 8927. [2021-11-07 20:41:59,160 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) [2021-11-07 20:41:59,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8927 states to 8927 states and 11293 transitions. [2021-11-07 20:41:59,174 INFO L78 Accepts]: Start accepts. Automaton has 8927 states and 11293 transitions. Word has length 75 [2021-11-07 20:41:59,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:41:59,174 INFO L470 AbstractCegarLoop]: Abstraction has 8927 states and 11293 transitions. [2021-11-07 20:41:59,174 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) [2021-11-07 20:41:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8927 states and 11293 transitions. [2021-11-07 20:41:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-07 20:41:59,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:41:59,175 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] [2021-11-07 20:41:59,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-07 20:41:59,175 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)] === [2021-11-07 20:41:59,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:41:59,176 INFO L85 PathProgramCache]: Analyzing trace with hash 159085098, now seen corresponding path program 1 times [2021-11-07 20:41:59,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:41:59,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517755395] [2021-11-07 20:41:59,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:41:59,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:41:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:41:59,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:41:59,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:41:59,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517755395] [2021-11-07 20:41:59,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517755395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:41:59,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:41:59,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:41:59,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608575392] [2021-11-07 20:41:59,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:41:59,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:41:59,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:41:59,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:41:59,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:41:59,471 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) [2021-11-07 20:42:00,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:00,325 INFO L93 Difference]: Finished difference Result 16656 states and 21103 transitions. [2021-11-07 20:42:00,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:42:00,326 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 [2021-11-07 20:42:00,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:00,344 INFO L225 Difference]: With dead ends: 16656 [2021-11-07 20:42:00,344 INFO L226 Difference]: Without dead ends: 10423 [2021-11-07 20:42:00,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.76ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:42:00,357 INFO L933 BasicCegarLoop]: 11379 mSDtfsCounter, 1821 mSDsluCounter, 9616 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 20995 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.02ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.54ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:00,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1831 Valid, 20995 Invalid, 50 Unknown, 0 Unchecked, 12.02ms Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 78.54ms Time] [2021-11-07 20:42:00,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10423 states. [2021-11-07 20:42:00,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10423 to 8931. [2021-11-07 20:42:00,930 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) [2021-11-07 20:42:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8931 states to 8931 states and 11297 transitions. [2021-11-07 20:42:00,945 INFO L78 Accepts]: Start accepts. Automaton has 8931 states and 11297 transitions. Word has length 77 [2021-11-07 20:42:00,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:00,945 INFO L470 AbstractCegarLoop]: Abstraction has 8931 states and 11297 transitions. [2021-11-07 20:42:00,945 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) [2021-11-07 20:42:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8931 states and 11297 transitions. [2021-11-07 20:42:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-07 20:42:00,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:00,946 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] [2021-11-07 20:42:00,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-07 20:42:00,947 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)] === [2021-11-07 20:42:00,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:00,947 INFO L85 PathProgramCache]: Analyzing trace with hash 10170282, now seen corresponding path program 1 times [2021-11-07 20:42:00,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:00,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503046221] [2021-11-07 20:42:00,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:00,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:01,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:01,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:01,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503046221] [2021-11-07 20:42:01,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503046221] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:42:01,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450301295] [2021-11-07 20:42:01,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:01,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:42:01,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:42:01,265 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) [2021-11-07 20:42:01,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 20:42:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:04,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 6304 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 20:42:04,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:42:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:04,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 20:42:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:04,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450301295] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 20:42:04,890 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 20:42:04,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 20:42:04,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311414583] [2021-11-07 20:42:04,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 20:42:04,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:42:04,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:04,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:42:04,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:42:04,891 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) [2021-11-07 20:42:06,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:06,050 INFO L93 Difference]: Finished difference Result 15647 states and 19744 transitions. [2021-11-07 20:42:06,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:42:06,051 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 [2021-11-07 20:42:06,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:06,075 INFO L225 Difference]: With dead ends: 15647 [2021-11-07 20:42:06,075 INFO L226 Difference]: Without dead ends: 12861 [2021-11-07 20:42:06,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 22.51ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:42:06,086 INFO L933 BasicCegarLoop]: 10844 mSDtfsCounter, 7217 mSDsluCounter, 32483 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7245 SdHoareTripleChecker+Valid, 43327 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.62ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.49ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:06,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7245 Valid, 43327 Invalid, 80 Unknown, 0 Unchecked, 23.62ms Time], IncrementalHoareTripleChecker [19 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 104.49ms Time] [2021-11-07 20:42:06,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12861 states. [2021-11-07 20:42:06,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12861 to 8946. [2021-11-07 20:42:06,782 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) [2021-11-07 20:42:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8946 states to 8946 states and 11318 transitions. [2021-11-07 20:42:06,794 INFO L78 Accepts]: Start accepts. Automaton has 8946 states and 11318 transitions. Word has length 78 [2021-11-07 20:42:06,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:06,795 INFO L470 AbstractCegarLoop]: Abstraction has 8946 states and 11318 transitions. [2021-11-07 20:42:06,795 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) [2021-11-07 20:42:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 8946 states and 11318 transitions. [2021-11-07 20:42:06,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-07 20:42:06,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:06,796 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] [2021-11-07 20:42:06,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 20:42:06,996 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 [2021-11-07 20:42:06,997 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)] === [2021-11-07 20:42:06,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:06,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1181298726, now seen corresponding path program 1 times [2021-11-07 20:42:06,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:06,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759403385] [2021-11-07 20:42:06,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:06,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:07,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:07,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759403385] [2021-11-07 20:42:07,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759403385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:07,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:07,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:42:07,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126579926] [2021-11-07 20:42:07,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:07,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:07,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:07,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:07,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:07,772 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) [2021-11-07 20:42:09,912 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 [] [2021-11-07 20:42:11,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:11,332 INFO L93 Difference]: Finished difference Result 13020 states and 16392 transitions. [2021-11-07 20:42:11,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:11,333 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 [2021-11-07 20:42:11,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:11,359 INFO L225 Difference]: With dead ends: 13020 [2021-11-07 20:42:11,360 INFO L226 Difference]: Without dead ends: 13002 [2021-11-07 20:42:11,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.27ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:11,368 INFO L933 BasicCegarLoop]: 14625 mSDtfsCounter, 5318 mSDsluCounter, 23661 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2342.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5335 SdHoareTripleChecker+Valid, 38286 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.56ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2543.49ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:11,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5335 Valid, 38286 Invalid, 133 Unknown, 0 Unchecked, 25.56ms Time], IncrementalHoareTripleChecker [27 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 2543.49ms Time] [2021-11-07 20:42:11,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13002 states. [2021-11-07 20:42:12,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13002 to 8928. [2021-11-07 20:42:12,090 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) [2021-11-07 20:42:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8928 states to 8928 states and 11300 transitions. [2021-11-07 20:42:12,106 INFO L78 Accepts]: Start accepts. Automaton has 8928 states and 11300 transitions. Word has length 80 [2021-11-07 20:42:12,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:12,106 INFO L470 AbstractCegarLoop]: Abstraction has 8928 states and 11300 transitions. [2021-11-07 20:42:12,106 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) [2021-11-07 20:42:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 8928 states and 11300 transitions. [2021-11-07 20:42:12,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 20:42:12,108 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:12,108 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] [2021-11-07 20:42:12,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-07 20:42:12,108 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)] === [2021-11-07 20:42:12,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:12,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1598349664, now seen corresponding path program 1 times [2021-11-07 20:42:12,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:12,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153815317] [2021-11-07 20:42:12,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:12,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:12,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:12,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153815317] [2021-11-07 20:42:12,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153815317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:12,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:12,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:42:12,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503598528] [2021-11-07 20:42:12,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:12,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:12,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:12,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:12,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:12,789 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) [2021-11-07 20:42:14,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:14,299 INFO L93 Difference]: Finished difference Result 15307 states and 19336 transitions. [2021-11-07 20:42:14,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:14,300 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 [2021-11-07 20:42:14,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:14,328 INFO L225 Difference]: With dead ends: 15307 [2021-11-07 20:42:14,328 INFO L226 Difference]: Without dead ends: 15305 [2021-11-07 20:42:14,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.48ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:14,333 INFO L933 BasicCegarLoop]: 14128 mSDtfsCounter, 15830 mSDsluCounter, 12489 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 164.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15837 SdHoareTripleChecker+Valid, 26617 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.83ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 199.86ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:14,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15837 Valid, 26617 Invalid, 112 Unknown, 0 Unchecked, 28.83ms Time], IncrementalHoareTripleChecker [48 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 199.86ms Time] [2021-11-07 20:42:14,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15305 states. [2021-11-07 20:42:15,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15305 to 11521. [2021-11-07 20:42:15,169 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) [2021-11-07 20:42:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11521 states to 11521 states and 14685 transitions. [2021-11-07 20:42:15,189 INFO L78 Accepts]: Start accepts. Automaton has 11521 states and 14685 transitions. Word has length 84 [2021-11-07 20:42:15,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:15,190 INFO L470 AbstractCegarLoop]: Abstraction has 11521 states and 14685 transitions. [2021-11-07 20:42:15,190 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) [2021-11-07 20:42:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 11521 states and 14685 transitions. [2021-11-07 20:42:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-07 20:42:15,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:15,191 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] [2021-11-07 20:42:15,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-07 20:42:15,192 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)] === [2021-11-07 20:42:15,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:15,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1749308285, now seen corresponding path program 1 times [2021-11-07 20:42:15,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:15,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253183341] [2021-11-07 20:42:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:15,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:15,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:15,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:15,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253183341] [2021-11-07 20:42:15,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253183341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:15,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:15,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:42:15,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367815350] [2021-11-07 20:42:15,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:15,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:15,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:15,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:15,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:15,547 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) [2021-11-07 20:42:16,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:16,715 INFO L93 Difference]: Finished difference Result 11588 states and 14755 transitions. [2021-11-07 20:42:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:16,716 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 [2021-11-07 20:42:16,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:16,747 INFO L225 Difference]: With dead ends: 11588 [2021-11-07 20:42:16,747 INFO L226 Difference]: Without dead ends: 11586 [2021-11-07 20:42:16,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:16,751 INFO L933 BasicCegarLoop]: 9600 mSDtfsCounter, 9098 mSDsluCounter, 11634 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9098 SdHoareTripleChecker+Valid, 21234 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.10ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 230.74ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:16,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9098 Valid, 21234 Invalid, 228 Unknown, 0 Unchecked, 20.10ms Time], IncrementalHoareTripleChecker [36 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 230.74ms Time] [2021-11-07 20:42:16,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11586 states. [2021-11-07 20:42:17,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11586 to 11533. [2021-11-07 20:42:17,575 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) [2021-11-07 20:42:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11533 states to 11533 states and 14702 transitions. [2021-11-07 20:42:17,595 INFO L78 Accepts]: Start accepts. Automaton has 11533 states and 14702 transitions. Word has length 86 [2021-11-07 20:42:17,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:17,596 INFO L470 AbstractCegarLoop]: Abstraction has 11533 states and 14702 transitions. [2021-11-07 20:42:17,596 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) [2021-11-07 20:42:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 11533 states and 14702 transitions. [2021-11-07 20:42:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-07 20:42:17,597 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:17,597 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] [2021-11-07 20:42:17,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-07 20:42:17,597 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)] === [2021-11-07 20:42:17,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:17,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1791732029, now seen corresponding path program 1 times [2021-11-07 20:42:17,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:17,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748977317] [2021-11-07 20:42:17,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:17,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:17,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:17,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748977317] [2021-11-07 20:42:17,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748977317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:17,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:17,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:42:17,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874118621] [2021-11-07 20:42:17,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:17,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:42:17,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:17,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:42:17,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:42:17,890 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) [2021-11-07 20:42:19,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:19,224 INFO L93 Difference]: Finished difference Result 24781 states and 31525 transitions. [2021-11-07 20:42:19,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:42:19,225 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 [2021-11-07 20:42:19,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:19,256 INFO L225 Difference]: With dead ends: 24781 [2021-11-07 20:42:19,256 INFO L226 Difference]: Without dead ends: 14960 [2021-11-07 20:42:19,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:42:19,277 INFO L933 BasicCegarLoop]: 12674 mSDtfsCounter, 3059 mSDsluCounter, 9592 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 22266 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.19ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.66ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:19,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3069 Valid, 22266 Invalid, 37 Unknown, 0 Unchecked, 14.19ms Time], IncrementalHoareTripleChecker [12 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 36.66ms Time] [2021-11-07 20:42:19,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14960 states. [2021-11-07 20:42:20,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14960 to 11539. [2021-11-07 20:42:20,152 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) [2021-11-07 20:42:20,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11539 states to 11539 states and 14708 transitions. [2021-11-07 20:42:20,271 INFO L78 Accepts]: Start accepts. Automaton has 11539 states and 14708 transitions. Word has length 88 [2021-11-07 20:42:20,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:20,272 INFO L470 AbstractCegarLoop]: Abstraction has 11539 states and 14708 transitions. [2021-11-07 20:42:20,272 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) [2021-11-07 20:42:20,272 INFO L276 IsEmpty]: Start isEmpty. Operand 11539 states and 14708 transitions. [2021-11-07 20:42:20,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-07 20:42:20,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:20,273 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] [2021-11-07 20:42:20,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-07 20:42:20,274 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)] === [2021-11-07 20:42:20,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:20,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1533559769, now seen corresponding path program 1 times [2021-11-07 20:42:20,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:20,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989960196] [2021-11-07 20:42:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:20,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:20,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:20,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989960196] [2021-11-07 20:42:20,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989960196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:20,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:20,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:42:20,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321769587] [2021-11-07 20:42:20,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:20,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:20,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:20,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:20,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:20,583 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) [2021-11-07 20:42:22,712 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 [] [2021-11-07 20:42:23,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:23,930 INFO L93 Difference]: Finished difference Result 11592 states and 14758 transitions. [2021-11-07 20:42:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:23,931 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 [2021-11-07 20:42:23,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:23,958 INFO L225 Difference]: With dead ends: 11592 [2021-11-07 20:42:23,958 INFO L226 Difference]: Without dead ends: 11590 [2021-11-07 20:42:23,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.27ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:23,966 INFO L933 BasicCegarLoop]: 11248 mSDtfsCounter, 2643 mSDsluCounter, 19821 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2315.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 31069 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.49ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2444.50ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:23,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2645 Valid, 31069 Invalid, 218 Unknown, 0 Unchecked, 19.49ms Time], IncrementalHoareTripleChecker [25 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 2444.50ms Time] [2021-11-07 20:42:23,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11590 states. [2021-11-07 20:42:25,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11590 to 11537. [2021-11-07 20:42:25,052 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) [2021-11-07 20:42:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11537 states to 11537 states and 14705 transitions. [2021-11-07 20:42:25,076 INFO L78 Accepts]: Start accepts. Automaton has 11537 states and 14705 transitions. Word has length 94 [2021-11-07 20:42:25,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:25,077 INFO L470 AbstractCegarLoop]: Abstraction has 11537 states and 14705 transitions. [2021-11-07 20:42:25,077 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) [2021-11-07 20:42:25,077 INFO L276 IsEmpty]: Start isEmpty. Operand 11537 states and 14705 transitions. [2021-11-07 20:42:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-07 20:42:25,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:25,079 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] [2021-11-07 20:42:25,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-07 20:42:25,079 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)] === [2021-11-07 20:42:25,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:25,079 INFO L85 PathProgramCache]: Analyzing trace with hash -715983249, now seen corresponding path program 1 times [2021-11-07 20:42:25,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:25,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745047767] [2021-11-07 20:42:25,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:25,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:25,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:25,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745047767] [2021-11-07 20:42:25,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745047767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:25,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:25,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:42:25,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691143423] [2021-11-07 20:42:25,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:25,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:42:25,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:25,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:42:25,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:42:25,801 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) [2021-11-07 20:42:26,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:26,735 INFO L93 Difference]: Finished difference Result 20408 states and 26100 transitions. [2021-11-07 20:42:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:42:26,736 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 [2021-11-07 20:42:26,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:26,761 INFO L225 Difference]: With dead ends: 20408 [2021-11-07 20:42:26,762 INFO L226 Difference]: Without dead ends: 11537 [2021-11-07 20:42:26,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.25ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:42:26,780 INFO L933 BasicCegarLoop]: 9612 mSDtfsCounter, 9556 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9556 SdHoareTripleChecker+Valid, 9612 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.94ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:26,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9556 Valid, 9612 Invalid, 1 Unknown, 0 Unchecked, 11.65ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.94ms Time] [2021-11-07 20:42:26,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11537 states. [2021-11-07 20:42:27,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11537 to 11537. [2021-11-07 20:42:27,775 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) [2021-11-07 20:42:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11537 states to 11537 states and 14704 transitions. [2021-11-07 20:42:27,797 INFO L78 Accepts]: Start accepts. Automaton has 11537 states and 14704 transitions. Word has length 94 [2021-11-07 20:42:27,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:27,798 INFO L470 AbstractCegarLoop]: Abstraction has 11537 states and 14704 transitions. [2021-11-07 20:42:27,798 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) [2021-11-07 20:42:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 11537 states and 14704 transitions. [2021-11-07 20:42:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-07 20:42:27,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:27,799 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] [2021-11-07 20:42:27,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-07 20:42:27,800 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)] === [2021-11-07 20:42:27,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:27,800 INFO L85 PathProgramCache]: Analyzing trace with hash -56451727, now seen corresponding path program 1 times [2021-11-07 20:42:27,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:27,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222751233] [2021-11-07 20:42:27,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:27,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:28,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:28,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222751233] [2021-11-07 20:42:28,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222751233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:28,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:28,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:42:28,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584894686] [2021-11-07 20:42:28,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:28,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:42:28,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:28,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:42:28,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:28,320 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) [2021-11-07 20:42:29,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:29,584 INFO L93 Difference]: Finished difference Result 20380 states and 26076 transitions. [2021-11-07 20:42:29,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:29,585 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 [2021-11-07 20:42:29,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:29,604 INFO L225 Difference]: With dead ends: 20380 [2021-11-07 20:42:29,604 INFO L226 Difference]: Without dead ends: 11537 [2021-11-07 20:42:29,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.03ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:42:29,620 INFO L933 BasicCegarLoop]: 9532 mSDtfsCounter, 9600 mSDsluCounter, 18964 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 193.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9600 SdHoareTripleChecker+Valid, 28496 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.87ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 222.49ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:29,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9600 Valid, 28496 Invalid, 256 Unknown, 0 Unchecked, 22.87ms Time], IncrementalHoareTripleChecker [25 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 222.49ms Time] [2021-11-07 20:42:29,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11537 states. [2021-11-07 20:42:30,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11537 to 11537. [2021-11-07 20:42:30,477 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) [2021-11-07 20:42:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11537 states to 11537 states and 14701 transitions. [2021-11-07 20:42:30,500 INFO L78 Accepts]: Start accepts. Automaton has 11537 states and 14701 transitions. Word has length 94 [2021-11-07 20:42:30,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:30,500 INFO L470 AbstractCegarLoop]: Abstraction has 11537 states and 14701 transitions. [2021-11-07 20:42:30,500 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) [2021-11-07 20:42:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 11537 states and 14701 transitions. [2021-11-07 20:42:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-07 20:42:30,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:30,502 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] [2021-11-07 20:42:30,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-07 20:42:30,502 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)] === [2021-11-07 20:42:30,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:30,502 INFO L85 PathProgramCache]: Analyzing trace with hash -56392145, now seen corresponding path program 1 times [2021-11-07 20:42:30,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:30,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661377394] [2021-11-07 20:42:30,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:30,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:30,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:30,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661377394] [2021-11-07 20:42:30,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661377394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:30,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:30,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:42:30,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223581373] [2021-11-07 20:42:30,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:30,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:30,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:30,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:30,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:30,825 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) [2021-11-07 20:42:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:31,809 INFO L93 Difference]: Finished difference Result 11537 states and 14701 transitions. [2021-11-07 20:42:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:31,809 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 [2021-11-07 20:42:31,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:31,831 INFO L225 Difference]: With dead ends: 11537 [2021-11-07 20:42:31,831 INFO L226 Difference]: Without dead ends: 11531 [2021-11-07 20:42:31,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.47ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:31,837 INFO L933 BasicCegarLoop]: 9598 mSDtfsCounter, 267 mSDsluCounter, 18928 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 28526 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.72ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.90ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:31,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 28526 Invalid, 19 Unknown, 0 Unchecked, 14.72ms Time], IncrementalHoareTripleChecker [10 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 20.90ms Time] [2021-11-07 20:42:31,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11531 states. [2021-11-07 20:42:32,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11531 to 11531. [2021-11-07 20:42:32,740 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) [2021-11-07 20:42:32,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11531 states to 11531 states and 14695 transitions. [2021-11-07 20:42:32,761 INFO L78 Accepts]: Start accepts. Automaton has 11531 states and 14695 transitions. Word has length 94 [2021-11-07 20:42:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:32,762 INFO L470 AbstractCegarLoop]: Abstraction has 11531 states and 14695 transitions. [2021-11-07 20:42:32,762 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) [2021-11-07 20:42:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 11531 states and 14695 transitions. [2021-11-07 20:42:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-07 20:42:32,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:32,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:42:32,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-07 20:42:32,771 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)] === [2021-11-07 20:42:32,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:32,771 INFO L85 PathProgramCache]: Analyzing trace with hash 522129340, now seen corresponding path program 1 times [2021-11-07 20:42:32,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:32,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580198679] [2021-11-07 20:42:32,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:32,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:33,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:33,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580198679] [2021-11-07 20:42:33,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580198679] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:33,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:33,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:42:33,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435455608] [2021-11-07 20:42:33,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:33,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:33,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:33,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:33,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:33,124 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) [2021-11-07 20:42:34,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:34,366 INFO L93 Difference]: Finished difference Result 11584 states and 14745 transitions. [2021-11-07 20:42:34,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:34,366 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 [2021-11-07 20:42:34,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:34,386 INFO L225 Difference]: With dead ends: 11584 [2021-11-07 20:42:34,386 INFO L226 Difference]: Without dead ends: 11582 [2021-11-07 20:42:34,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.73ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:34,391 INFO L933 BasicCegarLoop]: 9588 mSDtfsCounter, 8976 mSDsluCounter, 11726 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 203.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8976 SdHoareTripleChecker+Valid, 21314 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.27ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 238.19ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:34,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8976 Valid, 21314 Invalid, 221 Unknown, 0 Unchecked, 20.27ms Time], IncrementalHoareTripleChecker [31 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 238.19ms Time] [2021-11-07 20:42:34,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11582 states. [2021-11-07 20:42:35,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11582 to 11539. [2021-11-07 20:42:35,264 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) [2021-11-07 20:42:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11539 states to 11539 states and 14704 transitions. [2021-11-07 20:42:35,285 INFO L78 Accepts]: Start accepts. Automaton has 11539 states and 14704 transitions. Word has length 97 [2021-11-07 20:42:35,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:35,286 INFO L470 AbstractCegarLoop]: Abstraction has 11539 states and 14704 transitions. [2021-11-07 20:42:35,286 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) [2021-11-07 20:42:35,286 INFO L276 IsEmpty]: Start isEmpty. Operand 11539 states and 14704 transitions. [2021-11-07 20:42:35,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-07 20:42:35,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:35,289 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] [2021-11-07 20:42:35,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-07 20:42:35,289 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)] === [2021-11-07 20:42:35,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:35,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1394906954, now seen corresponding path program 1 times [2021-11-07 20:42:35,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:35,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011341899] [2021-11-07 20:42:35,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:35,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:35,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:35,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011341899] [2021-11-07 20:42:35,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011341899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:35,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:35,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:42:35,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803072655] [2021-11-07 20:42:35,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:35,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:35,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:35,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:35,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:35,733 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) [2021-11-07 20:42:36,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:36,990 INFO L93 Difference]: Finished difference Result 11582 states and 14742 transitions. [2021-11-07 20:42:36,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:36,990 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 [2021-11-07 20:42:36,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:37,011 INFO L225 Difference]: With dead ends: 11582 [2021-11-07 20:42:37,011 INFO L226 Difference]: Without dead ends: 11578 [2021-11-07 20:42:37,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:37,016 INFO L933 BasicCegarLoop]: 9585 mSDtfsCounter, 8881 mSDsluCounter, 11812 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 211.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8881 SdHoareTripleChecker+Valid, 21397 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.97ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 246.61ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:37,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8881 Valid, 21397 Invalid, 223 Unknown, 0 Unchecked, 21.97ms Time], IncrementalHoareTripleChecker [34 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 246.61ms Time] [2021-11-07 20:42:37,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11578 states. [2021-11-07 20:42:37,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11578 to 11543. [2021-11-07 20:42:37,962 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) [2021-11-07 20:42:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11543 states to 11543 states and 14708 transitions. [2021-11-07 20:42:37,980 INFO L78 Accepts]: Start accepts. Automaton has 11543 states and 14708 transitions. Word has length 100 [2021-11-07 20:42:37,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:37,980 INFO L470 AbstractCegarLoop]: Abstraction has 11543 states and 14708 transitions. [2021-11-07 20:42:37,980 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) [2021-11-07 20:42:37,981 INFO L276 IsEmpty]: Start isEmpty. Operand 11543 states and 14708 transitions. [2021-11-07 20:42:37,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-07 20:42:37,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:37,982 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] [2021-11-07 20:42:37,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-07 20:42:37,983 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)] === [2021-11-07 20:42:37,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:37,983 INFO L85 PathProgramCache]: Analyzing trace with hash -919259084, now seen corresponding path program 1 times [2021-11-07 20:42:37,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:37,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99752142] [2021-11-07 20:42:37,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:37,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:38,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:38,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:38,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99752142] [2021-11-07 20:42:38,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99752142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:38,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:38,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:42:38,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813011694] [2021-11-07 20:42:38,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:38,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:38,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:38,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:38,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:38,484 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) [2021-11-07 20:42:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:39,418 INFO L93 Difference]: Finished difference Result 11733 states and 14918 transitions. [2021-11-07 20:42:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:39,419 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 [2021-11-07 20:42:39,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:39,443 INFO L225 Difference]: With dead ends: 11733 [2021-11-07 20:42:39,443 INFO L226 Difference]: Without dead ends: 11731 [2021-11-07 20:42:39,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:39,450 INFO L933 BasicCegarLoop]: 9682 mSDtfsCounter, 9526 mSDsluCounter, 13186 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9527 SdHoareTripleChecker+Valid, 22868 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.44ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.65ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:39,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9527 Valid, 22868 Invalid, 30 Unknown, 0 Unchecked, 19.44ms Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 42.65ms Time] [2021-11-07 20:42:39,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11731 states. [2021-11-07 20:42:40,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11731 to 11552. [2021-11-07 20:42:40,390 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) [2021-11-07 20:42:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11552 states to 11552 states and 14719 transitions. [2021-11-07 20:42:40,410 INFO L78 Accepts]: Start accepts. Automaton has 11552 states and 14719 transitions. Word has length 101 [2021-11-07 20:42:40,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:40,410 INFO L470 AbstractCegarLoop]: Abstraction has 11552 states and 14719 transitions. [2021-11-07 20:42:40,410 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) [2021-11-07 20:42:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 11552 states and 14719 transitions. [2021-11-07 20:42:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 20:42:40,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:40,412 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] [2021-11-07 20:42:40,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-07 20:42:40,413 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)] === [2021-11-07 20:42:40,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:40,413 INFO L85 PathProgramCache]: Analyzing trace with hash -173133201, now seen corresponding path program 1 times [2021-11-07 20:42:40,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:40,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334408007] [2021-11-07 20:42:40,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:40,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:40,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:40,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334408007] [2021-11-07 20:42:40,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334408007] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:40,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:40,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:42:40,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193056448] [2021-11-07 20:42:40,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:40,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:40,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:40,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:40,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:40,942 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) [2021-11-07 20:42:41,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:41,991 INFO L93 Difference]: Finished difference Result 11735 states and 14920 transitions. [2021-11-07 20:42:41,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:41,991 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 [2021-11-07 20:42:41,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:42,009 INFO L225 Difference]: With dead ends: 11735 [2021-11-07 20:42:42,009 INFO L226 Difference]: Without dead ends: 11733 [2021-11-07 20:42:42,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.51ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:42,013 INFO L933 BasicCegarLoop]: 9678 mSDtfsCounter, 9521 mSDsluCounter, 13185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9522 SdHoareTripleChecker+Valid, 22863 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.37ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.36ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:42,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9522 Valid, 22863 Invalid, 29 Unknown, 0 Unchecked, 20.37ms Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 52.36ms Time] [2021-11-07 20:42:42,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11733 states. [2021-11-07 20:42:42,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11733 to 11559. [2021-11-07 20:42:42,879 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) [2021-11-07 20:42:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11559 states to 11559 states and 14726 transitions. [2021-11-07 20:42:42,899 INFO L78 Accepts]: Start accepts. Automaton has 11559 states and 14726 transitions. Word has length 102 [2021-11-07 20:42:42,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:42,899 INFO L470 AbstractCegarLoop]: Abstraction has 11559 states and 14726 transitions. [2021-11-07 20:42:42,900 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) [2021-11-07 20:42:42,900 INFO L276 IsEmpty]: Start isEmpty. Operand 11559 states and 14726 transitions. [2021-11-07 20:42:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 20:42:42,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:42,901 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] [2021-11-07 20:42:42,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-07 20:42:42,902 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)] === [2021-11-07 20:42:42,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:42,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1674942149, now seen corresponding path program 1 times [2021-11-07 20:42:42,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:42,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751142521] [2021-11-07 20:42:42,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:42,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:43,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:43,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:43,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751142521] [2021-11-07 20:42:43,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751142521] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:43,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:43,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:42:43,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537502240] [2021-11-07 20:42:43,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:43,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:43,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:43,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:43,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:43,447 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) [2021-11-07 20:42:45,603 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 [] [2021-11-07 20:42:47,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:47,449 INFO L93 Difference]: Finished difference Result 28509 states and 36472 transitions. [2021-11-07 20:42:47,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:42:47,450 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 [2021-11-07 20:42:47,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:47,487 INFO L225 Difference]: With dead ends: 28509 [2021-11-07 20:42:47,487 INFO L226 Difference]: Without dead ends: 16994 [2021-11-07 20:42:47,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.63ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:47,515 INFO L933 BasicCegarLoop]: 9614 mSDtfsCounter, 6818 mSDsluCounter, 13103 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2377.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6818 SdHoareTripleChecker+Valid, 22717 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.55ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2495.99ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:47,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6818 Valid, 22717 Invalid, 137 Unknown, 0 Unchecked, 22.55ms Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 1 Unknown, 0 Unchecked, 2495.99ms Time] [2021-11-07 20:42:47,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16994 states. [2021-11-07 20:42:48,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16994 to 16835. [2021-11-07 20:42:48,940 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) [2021-11-07 20:42:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16835 states to 16835 states and 21549 transitions. [2021-11-07 20:42:48,971 INFO L78 Accepts]: Start accepts. Automaton has 16835 states and 21549 transitions. Word has length 102 [2021-11-07 20:42:48,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:48,971 INFO L470 AbstractCegarLoop]: Abstraction has 16835 states and 21549 transitions. [2021-11-07 20:42:48,972 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) [2021-11-07 20:42:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 16835 states and 21549 transitions. [2021-11-07 20:42:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-07 20:42:48,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:48,974 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] [2021-11-07 20:42:48,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-07 20:42:48,974 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)] === [2021-11-07 20:42:48,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:48,974 INFO L85 PathProgramCache]: Analyzing trace with hash 646224614, now seen corresponding path program 1 times [2021-11-07 20:42:48,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:48,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941825367] [2021-11-07 20:42:48,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:48,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:49,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:49,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941825367] [2021-11-07 20:42:49,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941825367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:49,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:49,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:42:49,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983081600] [2021-11-07 20:42:49,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:49,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:49,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:49,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:49,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:49,299 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) [2021-11-07 20:42:51,428 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 [] [2021-11-07 20:42:53,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:42:53,280 INFO L93 Difference]: Finished difference Result 16866 states and 21575 transitions. [2021-11-07 20:42:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:42:53,280 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 [2021-11-07 20:42:53,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:42:53,309 INFO L225 Difference]: With dead ends: 16866 [2021-11-07 20:42:53,309 INFO L226 Difference]: Without dead ends: 16864 [2021-11-07 20:42:53,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.22ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:42:53,317 INFO L933 BasicCegarLoop]: 11176 mSDtfsCounter, 2511 mSDsluCounter, 19863 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2327.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 31039 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.60ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2455.14ms IncrementalHoareTripleChecker+Time [2021-11-07 20:42:53,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2512 Valid, 31039 Invalid, 215 Unknown, 0 Unchecked, 20.60ms Time], IncrementalHoareTripleChecker [24 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 2455.14ms Time] [2021-11-07 20:42:53,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16864 states. [2021-11-07 20:42:54,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16864 to 16833. [2021-11-07 20:42:54,741 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) [2021-11-07 20:42:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16833 states to 16833 states and 21544 transitions. [2021-11-07 20:42:54,770 INFO L78 Accepts]: Start accepts. Automaton has 16833 states and 21544 transitions. Word has length 105 [2021-11-07 20:42:54,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:42:54,770 INFO L470 AbstractCegarLoop]: Abstraction has 16833 states and 21544 transitions. [2021-11-07 20:42:54,771 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) [2021-11-07 20:42:54,771 INFO L276 IsEmpty]: Start isEmpty. Operand 16833 states and 21544 transitions. [2021-11-07 20:42:54,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-07 20:42:54,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:42:54,773 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] [2021-11-07 20:42:54,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-07 20:42:54,774 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)] === [2021-11-07 20:42:54,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:42:54,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1135426456, now seen corresponding path program 1 times [2021-11-07 20:42:54,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:42:54,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793207833] [2021-11-07 20:42:54,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:42:54,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:42:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:55,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-07 20:42:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:42:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:42:55,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:42:55,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793207833] [2021-11-07 20:42:55,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793207833] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:42:55,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:42:55,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:42:55,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620897518] [2021-11-07 20:42:55,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:42:55,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:42:55,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:42:55,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:42:55,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:42:55,113 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) [2021-11-07 20:42:57,243 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 [] [2021-11-07 20:43:10,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:43:10,577 INFO L93 Difference]: Finished difference Result 31137 states and 39888 transitions. [2021-11-07 20:43:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:43:10,578 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 [2021-11-07 20:43:10,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:43:10,616 INFO L225 Difference]: With dead ends: 31137 [2021-11-07 20:43:10,616 INFO L226 Difference]: Without dead ends: 20584 [2021-11-07 20:43:10,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.08ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:43:10,640 INFO L933 BasicCegarLoop]: 10716 mSDtfsCounter, 1369 mSDsluCounter, 17035 mSDsCounter, 0 mSdLazyCounter, 3252 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11388.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 27751 SdHoareTripleChecker+Invalid, 3297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 58.40ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 3252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12812.87ms IncrementalHoareTripleChecker+Time [2021-11-07 20:43:10,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1375 Valid, 27751 Invalid, 3297 Unknown, 0 Unchecked, 58.40ms Time], IncrementalHoareTripleChecker [44 Valid, 3252 Invalid, 1 Unknown, 0 Unchecked, 12812.87ms Time] [2021-11-07 20:43:10,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20584 states. [2021-11-07 20:43:12,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20584 to 16839. [2021-11-07 20:43:12,166 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) [2021-11-07 20:43:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16839 states to 16839 states and 21554 transitions. [2021-11-07 20:43:12,195 INFO L78 Accepts]: Start accepts. Automaton has 16839 states and 21554 transitions. Word has length 108 [2021-11-07 20:43:12,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:43:12,195 INFO L470 AbstractCegarLoop]: Abstraction has 16839 states and 21554 transitions. [2021-11-07 20:43:12,195 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) [2021-11-07 20:43:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 16839 states and 21554 transitions. [2021-11-07 20:43:12,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 20:43:12,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:43:12,198 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] [2021-11-07 20:43:12,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-07 20:43:12,198 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)] === [2021-11-07 20:43:12,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:43:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash -696421332, now seen corresponding path program 1 times [2021-11-07 20:43:12,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:43:12,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125456381] [2021-11-07 20:43:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:43:12,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:43:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:43:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-07 20:43:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:43:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:43:14,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:43:14,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125456381] [2021-11-07 20:43:14,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125456381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:43:14,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:43:14,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:43:14,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068675654] [2021-11-07 20:43:14,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:43:14,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:43:14,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:43:14,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:43:14,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:43:14,372 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) [2021-11-07 20:43:16,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:18,566 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:20,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:26,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:32,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:34,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:36,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:38,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:40,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:48,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:43:54,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:43:54,451 INFO L93 Difference]: Finished difference Result 33382 states and 42913 transitions. [2021-11-07 20:43:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 20:43:54,458 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 [2021-11-07 20:43:54,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:43:54,508 INFO L225 Difference]: With dead ends: 33382 [2021-11-07 20:43:54,509 INFO L226 Difference]: Without dead ends: 22823 [2021-11-07 20:43:54,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 498.02ms TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-07 20:43:54,535 INFO L933 BasicCegarLoop]: 9682 mSDtfsCounter, 3125 mSDsluCounter, 35230 mSDsCounter, 0 mSdLazyCounter, 4551 mSolverCounterSat, 178 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33609.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3141 SdHoareTripleChecker+Valid, 44912 SdHoareTripleChecker+Invalid, 4735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 81.46ms SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 4551 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36599.55ms IncrementalHoareTripleChecker+Time [2021-11-07 20:43:54,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3141 Valid, 44912 Invalid, 4735 Unknown, 0 Unchecked, 81.46ms Time], IncrementalHoareTripleChecker [178 Valid, 4551 Invalid, 6 Unknown, 0 Unchecked, 36599.55ms Time] [2021-11-07 20:43:54,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22823 states. [2021-11-07 20:43:56,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22823 to 19289. [2021-11-07 20:43:56,482 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) [2021-11-07 20:43:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19289 states to 19289 states and 24742 transitions. [2021-11-07 20:43:56,524 INFO L78 Accepts]: Start accepts. Automaton has 19289 states and 24742 transitions. Word has length 110 [2021-11-07 20:43:56,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:43:56,524 INFO L470 AbstractCegarLoop]: Abstraction has 19289 states and 24742 transitions. [2021-11-07 20:43:56,524 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) [2021-11-07 20:43:56,525 INFO L276 IsEmpty]: Start isEmpty. Operand 19289 states and 24742 transitions. [2021-11-07 20:43:56,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-07 20:43:56,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:43:56,528 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] [2021-11-07 20:43:56,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-07 20:43:56,528 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)] === [2021-11-07 20:43:56,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:43:56,529 INFO L85 PathProgramCache]: Analyzing trace with hash 723652299, now seen corresponding path program 1 times [2021-11-07 20:43:56,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:43:56,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057812597] [2021-11-07 20:43:56,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:43:56,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:43:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:43:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-07 20:43:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:43:57,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:43:57,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:43:57,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057812597] [2021-11-07 20:43:57,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057812597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:43:57,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:43:57,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:43:57,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896548680] [2021-11-07 20:43:57,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:43:57,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:43:57,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:43:57,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:43:57,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:43:57,818 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) [2021-11-07 20:43:59,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:44:02,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:44:05,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:44:12,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:44:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:44:18,729 INFO L93 Difference]: Finished difference Result 22284 states and 28534 transitions. [2021-11-07 20:44:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 20:44:18,730 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 [2021-11-07 20:44:18,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:44:18,778 INFO L225 Difference]: With dead ends: 22284 [2021-11-07 20:44:18,778 INFO L226 Difference]: Without dead ends: 22282 [2021-11-07 20:44:18,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 93.32ms TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-07 20:44:18,791 INFO L933 BasicCegarLoop]: 14107 mSDtfsCounter, 9246 mSDsluCounter, 35669 mSDsCounter, 0 mSdLazyCounter, 2897 mSolverCounterSat, 227 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16438.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9260 SdHoareTripleChecker+Valid, 49776 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 85.43ms SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 2897 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18064.65ms IncrementalHoareTripleChecker+Time [2021-11-07 20:44:18,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9260 Valid, 49776 Invalid, 3127 Unknown, 0 Unchecked, 85.43ms Time], IncrementalHoareTripleChecker [227 Valid, 2897 Invalid, 3 Unknown, 0 Unchecked, 18064.65ms Time] [2021-11-07 20:44:18,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22282 states. [2021-11-07 20:44:20,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22282 to 19449. [2021-11-07 20:44:20,717 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) [2021-11-07 20:44:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19449 states to 19449 states and 24975 transitions. [2021-11-07 20:44:20,766 INFO L78 Accepts]: Start accepts. Automaton has 19449 states and 24975 transitions. Word has length 112 [2021-11-07 20:44:20,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:44:20,766 INFO L470 AbstractCegarLoop]: Abstraction has 19449 states and 24975 transitions. [2021-11-07 20:44:20,766 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) [2021-11-07 20:44:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 19449 states and 24975 transitions. [2021-11-07 20:44:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 20:44:20,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:44:20,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:44:20,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-07 20:44:20,770 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)] === [2021-11-07 20:44:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:44:20,770 INFO L85 PathProgramCache]: Analyzing trace with hash 290374024, now seen corresponding path program 1 times [2021-11-07 20:44:20,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:44:20,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070299897] [2021-11-07 20:44:20,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:44:20,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:44:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:44:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:44:21,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:44:21,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070299897] [2021-11-07 20:44:21,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070299897] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:44:21,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:44:21,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:44:21,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865286735] [2021-11-07 20:44:21,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:44:21,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:44:21,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:44:21,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:44:21,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:44:21,328 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) [2021-11-07 20:44:24,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:44:24,800 INFO L93 Difference]: Finished difference Result 30878 states and 39581 transitions. [2021-11-07 20:44:24,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:44:24,801 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 [2021-11-07 20:44:24,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:44:24,875 INFO L225 Difference]: With dead ends: 30878 [2021-11-07 20:44:24,875 INFO L226 Difference]: Without dead ends: 30864 [2021-11-07 20:44:24,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.18ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:44:24,890 INFO L933 BasicCegarLoop]: 15977 mSDtfsCounter, 14117 mSDsluCounter, 15259 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 274.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14119 SdHoareTripleChecker+Valid, 31236 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.71ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 351.51ms IncrementalHoareTripleChecker+Time [2021-11-07 20:44:24,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14119 Valid, 31236 Invalid, 149 Unknown, 0 Unchecked, 34.71ms Time], IncrementalHoareTripleChecker [54 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 351.51ms Time] [2021-11-07 20:44:24,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30864 states. [2021-11-07 20:44:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30864 to 25999. [2021-11-07 20:44:27,348 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) [2021-11-07 20:44:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25999 states to 25999 states and 33626 transitions. [2021-11-07 20:44:27,419 INFO L78 Accepts]: Start accepts. Automaton has 25999 states and 33626 transitions. Word has length 111 [2021-11-07 20:44:27,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:44:27,419 INFO L470 AbstractCegarLoop]: Abstraction has 25999 states and 33626 transitions. [2021-11-07 20:44:27,419 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) [2021-11-07 20:44:27,420 INFO L276 IsEmpty]: Start isEmpty. Operand 25999 states and 33626 transitions. [2021-11-07 20:44:27,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-07 20:44:27,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:44:27,423 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] [2021-11-07 20:44:27,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-07 20:44:27,424 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)] === [2021-11-07 20:44:27,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:44:27,424 INFO L85 PathProgramCache]: Analyzing trace with hash -145721189, now seen corresponding path program 1 times [2021-11-07 20:44:27,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:44:27,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335569998] [2021-11-07 20:44:27,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:44:27,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:44:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:44:27,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:44:27,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:44:27,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335569998] [2021-11-07 20:44:27,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335569998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:44:27,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:44:27,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:44:27,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868703718] [2021-11-07 20:44:27,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:44:27,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:44:27,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:44:27,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:44:27,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:44:27,793 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) [2021-11-07 20:44:29,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:44:32,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:44:32,773 INFO L93 Difference]: Finished difference Result 26042 states and 33664 transitions. [2021-11-07 20:44:32,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:44:32,774 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 [2021-11-07 20:44:32,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:44:32,842 INFO L225 Difference]: With dead ends: 26042 [2021-11-07 20:44:32,842 INFO L226 Difference]: Without dead ends: 26038 [2021-11-07 20:44:32,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.35ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:44:32,859 INFO L933 BasicCegarLoop]: 11158 mSDtfsCounter, 2397 mSDsluCounter, 19936 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2414.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 31094 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.12ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2533.70ms IncrementalHoareTripleChecker+Time [2021-11-07 20:44:32,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2398 Valid, 31094 Invalid, 217 Unknown, 0 Unchecked, 22.12ms Time], IncrementalHoareTripleChecker [27 Valid, 189 Invalid, 1 Unknown, 0 Unchecked, 2533.70ms Time] [2021-11-07 20:44:32,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26038 states. [2021-11-07 20:44:35,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26038 to 25995. [2021-11-07 20:44:35,306 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) [2021-11-07 20:44:35,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25995 states to 25995 states and 33612 transitions. [2021-11-07 20:44:35,376 INFO L78 Accepts]: Start accepts. Automaton has 25995 states and 33612 transitions. Word has length 114 [2021-11-07 20:44:35,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:44:35,376 INFO L470 AbstractCegarLoop]: Abstraction has 25995 states and 33612 transitions. [2021-11-07 20:44:35,377 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) [2021-11-07 20:44:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 25995 states and 33612 transitions. [2021-11-07 20:44:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-07 20:44:35,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:44:35,381 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] [2021-11-07 20:44:35,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-07 20:44:35,382 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)] === [2021-11-07 20:44:35,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:44:35,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1322930901, now seen corresponding path program 1 times [2021-11-07 20:44:35,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:44:35,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252262901] [2021-11-07 20:44:35,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:44:35,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:44:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:44:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:44:36,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:44:36,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252262901] [2021-11-07 20:44:36,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252262901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:44:36,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:44:36,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-07 20:44:36,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996514673] [2021-11-07 20:44:36,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:44:36,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 20:44:36,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:44:36,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 20:44:36,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-07 20:44:36,133 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) [2021-11-07 20:44:39,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:44:39,066 INFO L93 Difference]: Finished difference Result 42276 states and 54842 transitions. [2021-11-07 20:44:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 20:44:39,066 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 [2021-11-07 20:44:39,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:44:39,135 INFO L225 Difference]: With dead ends: 42276 [2021-11-07 20:44:39,135 INFO L226 Difference]: Without dead ends: 26031 [2021-11-07 20:44:39,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 233.88ms TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-11-07 20:44:39,172 INFO L933 BasicCegarLoop]: 9573 mSDtfsCounter, 69 mSDsluCounter, 76605 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 138.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 86178 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.73ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 163.46ms IncrementalHoareTripleChecker+Time [2021-11-07 20:44:39,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 86178 Invalid, 85 Unknown, 0 Unchecked, 44.73ms Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 163.46ms Time] [2021-11-07 20:44:39,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26031 states. [2021-11-07 20:44:41,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26031 to 26019. [2021-11-07 20:44:41,596 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) [2021-11-07 20:44:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26019 states to 26019 states and 33637 transitions. [2021-11-07 20:44:41,666 INFO L78 Accepts]: Start accepts. Automaton has 26019 states and 33637 transitions. Word has length 119 [2021-11-07 20:44:41,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:44:41,667 INFO L470 AbstractCegarLoop]: Abstraction has 26019 states and 33637 transitions. [2021-11-07 20:44:41,667 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) [2021-11-07 20:44:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 26019 states and 33637 transitions. [2021-11-07 20:44:41,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-07 20:44:41,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:44:41,672 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] [2021-11-07 20:44:41,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-07 20:44:41,672 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)] === [2021-11-07 20:44:41,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:44:41,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1496617010, now seen corresponding path program 1 times [2021-11-07 20:44:41,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:44:41,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984065264] [2021-11-07 20:44:41,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:44:41,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:44:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:44:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:44:42,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:44:42,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984065264] [2021-11-07 20:44:42,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984065264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:44:42,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:44:42,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:44:42,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302196642] [2021-11-07 20:44:42,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:44:42,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:44:42,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:44:42,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:44:42,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:44:42,270 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) [2021-11-07 20:44:45,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:44:45,009 INFO L93 Difference]: Finished difference Result 51148 states and 66665 transitions. [2021-11-07 20:44:45,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:44:45,009 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 [2021-11-07 20:44:45,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:44:45,090 INFO L225 Difference]: With dead ends: 51148 [2021-11-07 20:44:45,090 INFO L226 Difference]: Without dead ends: 26127 [2021-11-07 20:44:45,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.27ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:44:45,158 INFO L933 BasicCegarLoop]: 9579 mSDtfsCounter, 23 mSDsluCounter, 28712 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 38291 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.90ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.59ms IncrementalHoareTripleChecker+Time [2021-11-07 20:44:45,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 38291 Invalid, 36 Unknown, 0 Unchecked, 23.90ms Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 102.59ms Time] [2021-11-07 20:44:45,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26127 states. [2021-11-07 20:44:47,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26127 to 26079. [2021-11-07 20:44:47,820 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) [2021-11-07 20:44:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26079 states to 26079 states and 33697 transitions. [2021-11-07 20:44:48,089 INFO L78 Accepts]: Start accepts. Automaton has 26079 states and 33697 transitions. Word has length 120 [2021-11-07 20:44:48,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:44:48,089 INFO L470 AbstractCegarLoop]: Abstraction has 26079 states and 33697 transitions. [2021-11-07 20:44:48,089 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) [2021-11-07 20:44:48,089 INFO L276 IsEmpty]: Start isEmpty. Operand 26079 states and 33697 transitions. [2021-11-07 20:44:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-07 20:44:48,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:44:48,094 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] [2021-11-07 20:44:48,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-07 20:44:48,094 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)] === [2021-11-07 20:44:48,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:44:48,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1552562582, now seen corresponding path program 1 times [2021-11-07 20:44:48,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:44:48,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831165957] [2021-11-07 20:44:48,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:44:48,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:45:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:45:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:45:41,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:45:41,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831165957] [2021-11-07 20:45:41,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831165957] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:45:41,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:45:41,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:45:41,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866018151] [2021-11-07 20:45:41,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:45:41,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:45:41,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:45:41,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:45:41,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:45:41,036 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) [2021-11-07 20:45:43,194 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 [] [2021-11-07 20:45:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:45:46,948 INFO L93 Difference]: Finished difference Result 31538 states and 40432 transitions. [2021-11-07 20:45:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:45:46,949 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 [2021-11-07 20:45:46,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:45:47,016 INFO L225 Difference]: With dead ends: 31538 [2021-11-07 20:45:47,016 INFO L226 Difference]: Without dead ends: 31524 [2021-11-07 20:45:47,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.87ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:45:47,028 INFO L933 BasicCegarLoop]: 16909 mSDtfsCounter, 10064 mSDsluCounter, 25551 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2396.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10080 SdHoareTripleChecker+Valid, 42460 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.38ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2590.17ms IncrementalHoareTripleChecker+Time [2021-11-07 20:45:47,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10080 Valid, 42460 Invalid, 127 Unknown, 0 Unchecked, 36.38ms Time], IncrementalHoareTripleChecker [24 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 2590.17ms Time] [2021-11-07 20:45:47,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31524 states. [2021-11-07 20:45:49,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31524 to 26071. [2021-11-07 20:45:49,403 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) [2021-11-07 20:45:49,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26071 states to 26071 states and 33690 transitions. [2021-11-07 20:45:49,474 INFO L78 Accepts]: Start accepts. Automaton has 26071 states and 33690 transitions. Word has length 119 [2021-11-07 20:45:49,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:45:49,474 INFO L470 AbstractCegarLoop]: Abstraction has 26071 states and 33690 transitions. [2021-11-07 20:45:49,475 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) [2021-11-07 20:45:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 26071 states and 33690 transitions. [2021-11-07 20:45:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-07 20:45:49,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:45:49,480 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] [2021-11-07 20:45:49,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-07 20:45:49,480 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)] === [2021-11-07 20:45:49,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:45:49,481 INFO L85 PathProgramCache]: Analyzing trace with hash -768632968, now seen corresponding path program 1 times [2021-11-07 20:45:49,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:45:49,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753072248] [2021-11-07 20:45:49,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:45:49,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:45:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:45:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:45:50,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:45:50,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753072248] [2021-11-07 20:45:50,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753072248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:45:50,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:45:50,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:45:50,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162229389] [2021-11-07 20:45:50,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:45:50,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:45:50,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:45:50,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:45:50,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:45:50,198 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) [2021-11-07 20:45:52,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:45:52,979 INFO L93 Difference]: Finished difference Result 49432 states and 64349 transitions. [2021-11-07 20:45:52,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:45:52,979 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 [2021-11-07 20:45:52,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:45:53,031 INFO L225 Difference]: With dead ends: 49432 [2021-11-07 20:45:53,031 INFO L226 Difference]: Without dead ends: 24359 [2021-11-07 20:45:53,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.70ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:45:53,082 INFO L933 BasicCegarLoop]: 9571 mSDtfsCounter, 47 mSDsluCounter, 19129 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 28700 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.97ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.70ms IncrementalHoareTripleChecker+Time [2021-11-07 20:45:53,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 28700 Invalid, 20 Unknown, 0 Unchecked, 18.97ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 60.70ms Time] [2021-11-07 20:45:53,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24359 states. [2021-11-07 20:45:55,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24359 to 24283. [2021-11-07 20:45:55,297 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) [2021-11-07 20:45:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24283 states to 24283 states and 31292 transitions. [2021-11-07 20:45:55,363 INFO L78 Accepts]: Start accepts. Automaton has 24283 states and 31292 transitions. Word has length 120 [2021-11-07 20:45:55,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:45:55,363 INFO L470 AbstractCegarLoop]: Abstraction has 24283 states and 31292 transitions. [2021-11-07 20:45:55,364 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) [2021-11-07 20:45:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 24283 states and 31292 transitions. [2021-11-07 20:45:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-07 20:45:55,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:45:55,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:45:55,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-07 20:45:55,370 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)] === [2021-11-07 20:45:55,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:45:55,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1472480065, now seen corresponding path program 1 times [2021-11-07 20:45:55,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:45:55,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460410850] [2021-11-07 20:45:55,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:45:55,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:45:55,757 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:45:55,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716381630] [2021-11-07 20:45:55,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:45:55,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:45:55,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:45:55,759 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) [2021-11-07 20:45:55,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 20:45:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:45:59,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 7164 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 20:45:59,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:45:59,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:45:59,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:45:59,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:45:59,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460410850] [2021-11-07 20:45:59,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:45:59,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716381630] [2021-11-07 20:45:59,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716381630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:45:59,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:45:59,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:45:59,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71037362] [2021-11-07 20:45:59,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:45:59,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:45:59,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:45:59,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:45:59,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:45:59,832 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) [2021-11-07 20:46:04,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:46:04,710 INFO L93 Difference]: Finished difference Result 38047 states and 48814 transitions. [2021-11-07 20:46:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:46:04,710 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 [2021-11-07 20:46:04,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:46:04,811 INFO L225 Difference]: With dead ends: 38047 [2021-11-07 20:46:04,811 INFO L226 Difference]: Without dead ends: 38043 [2021-11-07 20:46:04,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 45.74ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:46:04,833 INFO L933 BasicCegarLoop]: 12812 mSDtfsCounter, 23368 mSDsluCounter, 26442 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 619.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23370 SdHoareTripleChecker+Valid, 39254 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.31ms SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 745.99ms IncrementalHoareTripleChecker+Time [2021-11-07 20:46:04,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23370 Valid, 39254 Invalid, 259 Unknown, 0 Unchecked, 47.31ms Time], IncrementalHoareTripleChecker [87 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 745.99ms Time] [2021-11-07 20:46:04,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38043 states. [2021-11-07 20:46:08,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38043 to 37484. [2021-11-07 20:46:09,016 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) [2021-11-07 20:46:09,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37484 states to 37484 states and 48206 transitions. [2021-11-07 20:46:09,124 INFO L78 Accepts]: Start accepts. Automaton has 37484 states and 48206 transitions. Word has length 125 [2021-11-07 20:46:09,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:46:09,124 INFO L470 AbstractCegarLoop]: Abstraction has 37484 states and 48206 transitions. [2021-11-07 20:46:09,125 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) [2021-11-07 20:46:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 37484 states and 48206 transitions. [2021-11-07 20:46:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-07 20:46:09,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:46:09,131 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] [2021-11-07 20:46:09,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 20:46:09,347 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 [2021-11-07 20:46:09,347 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)] === [2021-11-07 20:46:09,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:46:09,348 INFO L85 PathProgramCache]: Analyzing trace with hash 784235913, now seen corresponding path program 1 times [2021-11-07 20:46:09,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:46:09,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595539313] [2021-11-07 20:46:09,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:46:09,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:46:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:46:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-07 20:46:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:46:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:46:29,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:46:29,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595539313] [2021-11-07 20:46:29,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595539313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:46:29,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:46:29,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-07 20:46:29,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764795035] [2021-11-07 20:46:29,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:46:29,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 20:46:29,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:46:29,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 20:46:29,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-07 20:46:29,873 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) [2021-11-07 20:46:32,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:46:34,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:46:36,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:46:38,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:46:40,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:46:42,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:46:44,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:46:46,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:46:48,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:47:40,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:47:42,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:47:44,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:47:46,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:47:48,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:47:50,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:47:52,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:47:53,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:47:55,923 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:00,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:02,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:03,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:05,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:06,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:08,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:19,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:48:19,051 INFO L93 Difference]: Finished difference Result 82340 states and 106067 transitions. [2021-11-07 20:48:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-07 20:48:19,052 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 [2021-11-07 20:48:19,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:48:19,160 INFO L225 Difference]: With dead ends: 82340 [2021-11-07 20:48:19,160 INFO L226 Difference]: Without dead ends: 45854 [2021-11-07 20:48:19,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 2317.25ms TimeCoverageRelationStatistics Valid=339, Invalid=1467, Unknown=0, NotChecked=0, Total=1806 [2021-11-07 20:48:19,242 INFO L933 BasicCegarLoop]: 9538 mSDtfsCounter, 6777 mSDsluCounter, 75718 mSDsCounter, 0 mSdLazyCounter, 17075 mSolverCounterSat, 472 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90468.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6793 SdHoareTripleChecker+Valid, 85256 SdHoareTripleChecker+Invalid, 17564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 192.79ms SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 17075 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 101009.66ms IncrementalHoareTripleChecker+Time [2021-11-07 20:48:19,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6793 Valid, 85256 Invalid, 17564 Unknown, 0 Unchecked, 192.79ms Time], IncrementalHoareTripleChecker [472 Valid, 17075 Invalid, 17 Unknown, 0 Unchecked, 101009.66ms Time] [2021-11-07 20:48:19,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45854 states. [2021-11-07 20:48:23,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45854 to 38614. [2021-11-07 20:48:23,284 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) [2021-11-07 20:48:23,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38614 states to 38614 states and 49650 transitions. [2021-11-07 20:48:23,379 INFO L78 Accepts]: Start accepts. Automaton has 38614 states and 49650 transitions. Word has length 128 [2021-11-07 20:48:23,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:48:23,379 INFO L470 AbstractCegarLoop]: Abstraction has 38614 states and 49650 transitions. [2021-11-07 20:48:23,379 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) [2021-11-07 20:48:23,379 INFO L276 IsEmpty]: Start isEmpty. Operand 38614 states and 49650 transitions. [2021-11-07 20:48:23,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-07 20:48:23,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:48:23,389 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] [2021-11-07 20:48:23,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-07 20:48:23,389 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)] === [2021-11-07 20:48:23,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:48:23,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1810885299, now seen corresponding path program 1 times [2021-11-07 20:48:23,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:48:23,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364140802] [2021-11-07 20:48:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:48:23,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:48:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:48:24,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-07 20:48:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:48:24,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:48:24,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:48:24,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364140802] [2021-11-07 20:48:24,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364140802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:48:24,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:48:24,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:48:24,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106279373] [2021-11-07 20:48:24,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:48:24,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:48:24,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:48:24,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:48:24,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:48:24,084 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) [2021-11-07 20:48:26,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:28,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:30,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:49,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:48:55,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:48:55,105 INFO L93 Difference]: Finished difference Result 39716 states and 51136 transitions. [2021-11-07 20:48:55,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 20:48:55,106 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 [2021-11-07 20:48:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:48:55,183 INFO L225 Difference]: With dead ends: 39716 [2021-11-07 20:48:55,183 INFO L226 Difference]: Without dead ends: 39714 [2021-11-07 20:48:55,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 68.53ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 20:48:55,199 INFO L933 BasicCegarLoop]: 12906 mSDtfsCounter, 7891 mSDsluCounter, 37836 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 179 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22793.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7894 SdHoareTripleChecker+Valid, 50742 SdHoareTripleChecker+Invalid, 4885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 102.11ms SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26037.82ms IncrementalHoareTripleChecker+Time [2021-11-07 20:48:55,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7894 Valid, 50742 Invalid, 4885 Unknown, 0 Unchecked, 102.11ms Time], IncrementalHoareTripleChecker [179 Valid, 4702 Invalid, 4 Unknown, 0 Unchecked, 26037.82ms Time] [2021-11-07 20:48:55,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39714 states. [2021-11-07 20:48:59,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39714 to 38649. [2021-11-07 20:48:59,272 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) [2021-11-07 20:48:59,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38649 states to 38649 states and 49689 transitions. [2021-11-07 20:48:59,360 INFO L78 Accepts]: Start accepts. Automaton has 38649 states and 49689 transitions. Word has length 129 [2021-11-07 20:48:59,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:48:59,361 INFO L470 AbstractCegarLoop]: Abstraction has 38649 states and 49689 transitions. [2021-11-07 20:48:59,361 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) [2021-11-07 20:48:59,361 INFO L276 IsEmpty]: Start isEmpty. Operand 38649 states and 49689 transitions. [2021-11-07 20:48:59,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-07 20:48:59,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:48:59,367 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] [2021-11-07 20:48:59,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-07 20:48:59,367 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)] === [2021-11-07 20:48:59,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:48:59,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2107333598, now seen corresponding path program 1 times [2021-11-07 20:48:59,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:48:59,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387958604] [2021-11-07 20:48:59,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:48:59,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:48:59,547 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:48:59,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747064273] [2021-11-07 20:48:59,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:48:59,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:48:59,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:48:59,548 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) [2021-11-07 20:48:59,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 20:49:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:49:02,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 7085 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 20:49:02,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:49:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:49:03,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:49:03,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:49:03,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387958604] [2021-11-07 20:49:03,435 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:49:03,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747064273] [2021-11-07 20:49:03,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747064273] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:49:03,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:49:03,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:49:03,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129283898] [2021-11-07 20:49:03,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:49:03,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:49:03,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:49:03,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:49:03,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:49:03,436 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) [2021-11-07 20:49:08,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:49:08,481 INFO L93 Difference]: Finished difference Result 39018 states and 50035 transitions. [2021-11-07 20:49:08,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:49:08,482 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 [2021-11-07 20:49:08,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:49:08,574 INFO L225 Difference]: With dead ends: 39018 [2021-11-07 20:49:08,574 INFO L226 Difference]: Without dead ends: 39016 [2021-11-07 20:49:08,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.61ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:49:08,595 INFO L933 BasicCegarLoop]: 12833 mSDtfsCounter, 23164 mSDsluCounter, 26502 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 580.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23164 SdHoareTripleChecker+Valid, 39335 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.52ms SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 712.91ms IncrementalHoareTripleChecker+Time [2021-11-07 20:49:08,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23164 Valid, 39335 Invalid, 251 Unknown, 0 Unchecked, 44.52ms Time], IncrementalHoareTripleChecker [85 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 712.91ms Time] [2021-11-07 20:49:08,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39016 states. [2021-11-07 20:49:12,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39016 to 38690. [2021-11-07 20:49:12,854 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) [2021-11-07 20:49:12,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38690 states to 38690 states and 49743 transitions. [2021-11-07 20:49:12,948 INFO L78 Accepts]: Start accepts. Automaton has 38690 states and 49743 transitions. Word has length 128 [2021-11-07 20:49:12,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:49:12,948 INFO L470 AbstractCegarLoop]: Abstraction has 38690 states and 49743 transitions. [2021-11-07 20:49:12,948 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) [2021-11-07 20:49:12,948 INFO L276 IsEmpty]: Start isEmpty. Operand 38690 states and 49743 transitions. [2021-11-07 20:49:12,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-07 20:49:12,955 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:49:12,955 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] [2021-11-07 20:49:12,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-07 20:49:13,155 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 [2021-11-07 20:49:13,156 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)] === [2021-11-07 20:49:13,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:49:13,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1098801176, now seen corresponding path program 1 times [2021-11-07 20:49:13,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:49:13,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986866055] [2021-11-07 20:49:13,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:49:13,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:50:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:50:20,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-07 20:50:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:50:20,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:50:20,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:50:20,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986866055] [2021-11-07 20:50:20,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986866055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:50:20,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:50:20,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:50:20,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880620533] [2021-11-07 20:50:20,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:50:20,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:50:20,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:50:20,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:50:20,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:50:20,968 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) [2021-11-07 20:50:23,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:50:25,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:50:38,655 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 [] [2021-11-07 20:50:44,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:50:44,501 INFO L93 Difference]: Finished difference Result 39816 states and 51259 transitions. [2021-11-07 20:50:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 20:50:44,501 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 [2021-11-07 20:50:44,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:50:44,589 INFO L225 Difference]: With dead ends: 39816 [2021-11-07 20:50:44,590 INFO L226 Difference]: Without dead ends: 39814 [2021-11-07 20:50:44,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 88.16ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 20:50:44,612 INFO L933 BasicCegarLoop]: 12896 mSDtfsCounter, 8070 mSDsluCounter, 33261 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 226 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16724.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8073 SdHoareTripleChecker+Valid, 46157 SdHoareTripleChecker+Invalid, 3064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 76.62ms SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18873.87ms IncrementalHoareTripleChecker+Time [2021-11-07 20:50:44,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8073 Valid, 46157 Invalid, 3064 Unknown, 0 Unchecked, 76.62ms Time], IncrementalHoareTripleChecker [226 Valid, 2835 Invalid, 3 Unknown, 0 Unchecked, 18873.87ms Time] [2021-11-07 20:50:44,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39814 states. [2021-11-07 20:50:48,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39814 to 38702. [2021-11-07 20:50:48,721 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) [2021-11-07 20:50:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38702 states to 38702 states and 49744 transitions. [2021-11-07 20:50:48,813 INFO L78 Accepts]: Start accepts. Automaton has 38702 states and 49744 transitions. Word has length 130 [2021-11-07 20:50:48,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:50:48,813 INFO L470 AbstractCegarLoop]: Abstraction has 38702 states and 49744 transitions. [2021-11-07 20:50:48,814 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) [2021-11-07 20:50:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 38702 states and 49744 transitions. [2021-11-07 20:50:48,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-07 20:50:48,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:50:48,820 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] [2021-11-07 20:50:48,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-07 20:50:48,820 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)] === [2021-11-07 20:50:48,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:50:48,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1332789429, now seen corresponding path program 1 times [2021-11-07 20:50:48,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:50:48,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259640371] [2021-11-07 20:50:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:50:48,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:50:49,015 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:50:49,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1574035299] [2021-11-07 20:50:49,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:50:49,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:50:49,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:50:49,016 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) [2021-11-07 20:50:49,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process Killed by 15