./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--usb--misc--uss720.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--usb--misc--uss720.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 87fc46113f1aa6bf5cd254bff58332904e2431653df647e3a9a61cd4104d8890 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 20:34:17,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 20:34:17,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 20:34:17,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 20:34:17,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 20:34:17,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 20:34:17,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 20:34:17,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 20:34:17,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 20:34:17,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 20:34:17,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 20:34:17,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 20:34:17,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 20:34:17,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 20:34:17,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 20:34:17,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 20:34:17,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 20:34:17,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 20:34:17,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 20:34:17,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 20:34:17,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 20:34:17,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 20:34:17,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 20:34:17,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 20:34:17,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 20:34:17,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 20:34:17,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 20:34:17,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 20:34:17,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 20:34:17,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 20:34:17,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 20:34:17,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 20:34:17,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 20:34:17,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 20:34:17,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 20:34:17,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 20:34:17,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 20:34:17,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 20:34:17,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 20:34:17,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 20:34:17,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 20:34:17,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 20:34:17,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 20:34:17,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 20:34:17,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 20:34:17,997 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 20:34:17,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 20:34:17,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 20:34:17,998 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 20:34:17,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 20:34:17,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 20:34:17,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 20:34:17,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 20:34:18,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 20:34:18,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 20:34:18,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 20:34:18,000 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 20:34:18,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 20:34:18,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 20:34:18,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 20:34:18,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 20:34:18,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:34:18,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 20:34:18,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 20:34:18,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 20:34:18,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 20:34:18,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 20:34:18,002 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 20:34:18,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 20:34:18,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 20:34:18,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 20:34:18,002 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87fc46113f1aa6bf5cd254bff58332904e2431653df647e3a9a61cd4104d8890 [2021-11-07 20:34:18,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 20:34:18,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 20:34:18,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 20:34:18,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 20:34:18,199 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 20:34:18,201 INFO L432 ainManager$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--usb--misc--uss720.ko.cil.i [2021-11-07 20:34:18,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/271457c38/3055ea1ada334ae0a3b030f36acb7539/FLAG312154a1e [2021-11-07 20:34:18,845 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 20:34:18,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2021-11-07 20:34:18,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/271457c38/3055ea1ada334ae0a3b030f36acb7539/FLAG312154a1e [2021-11-07 20:34:19,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/271457c38/3055ea1ada334ae0a3b030f36acb7539 [2021-11-07 20:34:19,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 20:34:19,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 20:34:19,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 20:34:19,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 20:34:19,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 20:34:19,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:34:19" (1/1) ... [2021-11-07 20:34:19,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f05cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:19, skipping insertion in model container [2021-11-07 20:34:19,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:34:19" (1/1) ... [2021-11-07 20:34:19,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 20:34:19,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 20:34:20,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2021-11-07 20:34:20,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2021-11-07 20:34:20,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2021-11-07 20:34:20,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2021-11-07 20:34:20,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2021-11-07 20:34:20,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2021-11-07 20:34:20,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2021-11-07 20:34:20,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2021-11-07 20:34:20,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2021-11-07 20:34:20,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2021-11-07 20:34:20,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2021-11-07 20:34:20,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2021-11-07 20:34:20,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2021-11-07 20:34:20,857 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2021-11-07 20:34:20,857 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2021-11-07 20:34:20,857 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2021-11-07 20:34:20,858 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2021-11-07 20:34:20,858 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2021-11-07 20:34:20,862 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2021-11-07 20:34:20,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2021-11-07 20:34:20,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2021-11-07 20:34:20,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2021-11-07 20:34:20,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2021-11-07 20:34:20,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2021-11-07 20:34:20,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2021-11-07 20:34:20,866 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2021-11-07 20:34:20,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2021-11-07 20:34:20,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2021-11-07 20:34:20,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2021-11-07 20:34:20,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2021-11-07 20:34:20,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2021-11-07 20:34:20,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2021-11-07 20:34:20,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2021-11-07 20:34:20,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2021-11-07 20:34:20,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2021-11-07 20:34:20,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2021-11-07 20:34:20,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2021-11-07 20:34:20,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2021-11-07 20:34:20,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2021-11-07 20:34:20,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2021-11-07 20:34:20,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2021-11-07 20:34:20,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2021-11-07 20:34:20,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2021-11-07 20:34:20,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2021-11-07 20:34:20,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2021-11-07 20:34:20,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2021-11-07 20:34:20,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2021-11-07 20:34:20,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2021-11-07 20:34:20,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2021-11-07 20:34:20,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2021-11-07 20:34:20,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2021-11-07 20:34:20,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2021-11-07 20:34:20,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2021-11-07 20:34:20,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2021-11-07 20:34:20,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2021-11-07 20:34:20,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2021-11-07 20:34:20,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2021-11-07 20:34:20,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2021-11-07 20:34:20,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2021-11-07 20:34:20,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2021-11-07 20:34:20,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2021-11-07 20:34:20,880 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2021-11-07 20:34:20,880 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2021-11-07 20:34:20,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2021-11-07 20:34:20,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2021-11-07 20:34:20,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2021-11-07 20:34:20,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2021-11-07 20:34:20,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2021-11-07 20:34:20,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2021-11-07 20:34:20,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2021-11-07 20:34:20,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2021-11-07 20:34:20,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2021-11-07 20:34:20,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2021-11-07 20:34:20,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2021-11-07 20:34:20,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2021-11-07 20:34:20,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2021-11-07 20:34:20,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2021-11-07 20:34:20,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2021-11-07 20:34:20,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2021-11-07 20:34:20,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2021-11-07 20:34:20,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2021-11-07 20:34:20,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2021-11-07 20:34:20,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2021-11-07 20:34:20,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2021-11-07 20:34:20,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2021-11-07 20:34:20,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2021-11-07 20:34:20,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2021-11-07 20:34:20,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2021-11-07 20:34:20,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:34:20,914 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 20:34:21,079 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2021-11-07 20:34:21,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2021-11-07 20:34:21,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2021-11-07 20:34:21,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2021-11-07 20:34:21,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2021-11-07 20:34:21,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2021-11-07 20:34:21,082 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2021-11-07 20:34:21,084 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2021-11-07 20:34:21,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2021-11-07 20:34:21,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2021-11-07 20:34:21,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2021-11-07 20:34:21,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2021-11-07 20:34:21,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2021-11-07 20:34:21,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2021-11-07 20:34:21,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2021-11-07 20:34:21,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2021-11-07 20:34:21,089 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2021-11-07 20:34:21,090 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2021-11-07 20:34:21,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2021-11-07 20:34:21,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2021-11-07 20:34:21,106 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2021-11-07 20:34:21,106 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2021-11-07 20:34:21,107 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2021-11-07 20:34:21,107 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2021-11-07 20:34:21,107 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2021-11-07 20:34:21,108 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2021-11-07 20:34:21,108 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2021-11-07 20:34:21,108 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2021-11-07 20:34:21,109 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2021-11-07 20:34:21,109 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2021-11-07 20:34:21,109 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2021-11-07 20:34:21,110 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2021-11-07 20:34:21,110 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2021-11-07 20:34:21,110 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2021-11-07 20:34:21,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2021-11-07 20:34:21,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2021-11-07 20:34:21,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2021-11-07 20:34:21,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2021-11-07 20:34:21,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2021-11-07 20:34:21,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2021-11-07 20:34:21,113 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2021-11-07 20:34:21,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2021-11-07 20:34:21,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2021-11-07 20:34:21,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2021-11-07 20:34:21,114 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2021-11-07 20:34:21,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2021-11-07 20:34:21,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2021-11-07 20:34:21,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2021-11-07 20:34:21,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2021-11-07 20:34:21,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2021-11-07 20:34:21,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2021-11-07 20:34:21,116 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2021-11-07 20:34:21,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2021-11-07 20:34:21,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2021-11-07 20:34:21,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2021-11-07 20:34:21,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2021-11-07 20:34:21,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2021-11-07 20:34:21,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2021-11-07 20:34:21,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2021-11-07 20:34:21,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2021-11-07 20:34:21,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2021-11-07 20:34:21,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2021-11-07 20:34:21,120 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2021-11-07 20:34:21,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2021-11-07 20:34:21,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2021-11-07 20:34:21,123 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2021-11-07 20:34:21,123 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2021-11-07 20:34:21,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2021-11-07 20:34:21,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2021-11-07 20:34:21,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2021-11-07 20:34:21,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2021-11-07 20:34:21,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2021-11-07 20:34:21,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2021-11-07 20:34:21,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2021-11-07 20:34:21,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2021-11-07 20:34:21,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2021-11-07 20:34:21,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2021-11-07 20:34:21,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2021-11-07 20:34:21,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2021-11-07 20:34:21,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2021-11-07 20:34:21,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2021-11-07 20:34:21,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2021-11-07 20:34:21,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2021-11-07 20:34:21,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2021-11-07 20:34:21,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2021-11-07 20:34:21,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2021-11-07 20:34:21,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2021-11-07 20:34:21,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2021-11-07 20:34:21,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:34:21,251 INFO L208 MainTranslator]: Completed translation [2021-11-07 20:34:21,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21 WrapperNode [2021-11-07 20:34:21,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 20:34:21,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 20:34:21,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 20:34:21,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 20:34:21,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 20:34:21,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 20:34:21,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 20:34:21,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 20:34:21,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 20:34:21,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 20:34:21,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 20:34:21,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 20:34:21,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (1/1) ... [2021-11-07 20:34:21,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:34:21,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:34:21,827 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 20:34:21,863 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 20:34:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_disable_irq [2021-11-07 20:34:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_disable_irq [2021-11-07 20:34:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-11-07 20:34:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-11-07 20:34:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 20:34:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_reverse [2021-11-07 20:34:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_reverse [2021-11-07 20:34:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 20:34:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 20:34:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 20:34:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async_request [2021-11-07 20:34:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async_request [2021-11-07 20:34:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-07 20:34:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-07 20:34:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 20:34:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure change_mode [2021-11-07 20:34:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure change_mode [2021-11-07 20:34:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 20:34:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 20:34:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 20:34:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 20:34:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure parport_generic_irq [2021-11-07 20:34:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_generic_irq [2021-11-07 20:34:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 20:34:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 20:34:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-07 20:34:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-07 20:34:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 20:34:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 20:34:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure set_1284_register [2021-11-07 20:34:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1284_register [2021-11-07 20:34:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 20:34:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 20:34:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure async_complete [2021-11-07 20:34:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure async_complete [2021-11-07 20:34:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 20:34:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_enable_irq [2021-11-07 20:34:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_enable_irq [2021-11-07 20:34:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure uss720_disconnect [2021-11-07 20:34:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure uss720_disconnect [2021-11-07 20:34:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_forward [2021-11-07 20:34:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_forward [2021-11-07 20:34:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 20:34:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 20:34:27,656 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_5_returnLabel: main_#res := 0; [2021-11-07 20:34:27,656 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L6476: #t~ret609 := main_#res; [2021-11-07 20:34:27,656 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 20:34:27,824 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 20:34:27,825 INFO L299 CfgBuilder]: Removed 1609 assume(true) statements. [2021-11-07 20:34:27,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:34:27 BoogieIcfgContainer [2021-11-07 20:34:27,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 20:34:27,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 20:34:27,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 20:34:27,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 20:34:27,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:34:19" (1/3) ... [2021-11-07 20:34:27,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b34f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:34:27, skipping insertion in model container [2021-11-07 20:34:27,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:34:21" (2/3) ... [2021-11-07 20:34:27,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b34f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:34:27, skipping insertion in model container [2021-11-07 20:34:27,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:34:27" (3/3) ... [2021-11-07 20:34:27,834 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2021-11-07 20:34:27,837 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 20:34:27,837 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2021-11-07 20:34:27,875 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 20:34:27,879 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 20:34:27,880 INFO L340 AbstractCegarLoop]: Starting to check reachability of 128 error locations. [2021-11-07 20:34:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 1836 states, 1580 states have (on average 1.4132911392405063) internal successors, (2233), 1719 states have internal predecessors, (2233), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2021-11-07 20:34:27,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 20:34:27,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:27,913 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] [2021-11-07 20:34:27,914 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:27,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:27,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1610906549, now seen corresponding path program 1 times [2021-11-07 20:34:27,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:27,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20273935] [2021-11-07 20:34:27,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:27,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:34:28,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:28,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20273935] [2021-11-07 20:34:28,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20273935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:28,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:28,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:28,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236791962] [2021-11-07 20:34:28,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:28,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:28,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:28,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:28,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:28,296 INFO L87 Difference]: Start difference. First operand has 1836 states, 1580 states have (on average 1.4132911392405063) internal successors, (2233), 1719 states have internal predecessors, (2233), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) 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 20:34:28,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:28,463 INFO L93 Difference]: Finished difference Result 3579 states and 4917 transitions. [2021-11-07 20:34:28,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:28,466 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 20:34:28,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:28,479 INFO L225 Difference]: With dead ends: 3579 [2021-11-07 20:34:28,480 INFO L226 Difference]: Without dead ends: 1749 [2021-11-07 20:34:28,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:28,499 INFO L933 BasicCegarLoop]: 2320 mSDtfsCounter, 2460 mSDsluCounter, 2158 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2460 SdHoareTripleChecker+Valid, 4478 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.38ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.76ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:28,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2460 Valid, 4478 Invalid, 6 Unknown, 0 Unchecked, 17.38ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.76ms Time] [2021-11-07 20:34:28,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2021-11-07 20:34:28,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1749. [2021-11-07 20:34:28,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1749 states, 1495 states have (on average 1.2923076923076924) internal successors, (1932), 1632 states have internal predecessors, (1932), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2021-11-07 20:34:28,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2160 transitions. [2021-11-07 20:34:28,591 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2160 transitions. Word has length 31 [2021-11-07 20:34:28,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:28,591 INFO L470 AbstractCegarLoop]: Abstraction has 1749 states and 2160 transitions. [2021-11-07 20:34:28,591 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 20:34:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2160 transitions. [2021-11-07 20:34:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 20:34:28,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:28,592 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 20:34:28,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 20:34:28,593 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:28,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:28,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1892748657, now seen corresponding path program 1 times [2021-11-07 20:34:28,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:28,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155282860] [2021-11-07 20:34:28,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:28,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:28,709 INFO 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 20:34:28,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:28,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155282860] [2021-11-07 20:34:28,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155282860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:28,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:28,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:28,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358172765] [2021-11-07 20:34:28,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:28,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:28,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:28,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:28,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:28,712 INFO L87 Difference]: Start difference. First operand 1749 states and 2160 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 20:34:28,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:28,770 INFO L93 Difference]: Finished difference Result 1749 states and 2160 transitions. [2021-11-07 20:34:28,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:28,771 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 20:34:28,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:28,777 INFO L225 Difference]: With dead ends: 1749 [2021-11-07 20:34:28,791 INFO L226 Difference]: Without dead ends: 1745 [2021-11-07 20:34:28,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.05ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:28,794 INFO L933 BasicCegarLoop]: 2152 mSDtfsCounter, 2278 mSDsluCounter, 2002 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 4154 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.88ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.94ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:28,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2278 Valid, 4154 Invalid, 6 Unknown, 0 Unchecked, 8.88ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.94ms Time] [2021-11-07 20:34:28,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2021-11-07 20:34:28,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1745. [2021-11-07 20:34:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1493 states have (on average 1.291359678499665) internal successors, (1928), 1628 states have internal predecessors, (1928), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2021-11-07 20:34:28,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2156 transitions. [2021-11-07 20:34:28,921 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2156 transitions. Word has length 33 [2021-11-07 20:34:28,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:28,921 INFO L470 AbstractCegarLoop]: Abstraction has 1745 states and 2156 transitions. [2021-11-07 20:34:28,921 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 20:34:28,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2156 transitions. [2021-11-07 20:34:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 20:34:28,922 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:28,922 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 20:34:28,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 20:34:28,923 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:28,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:28,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2134892851, now seen corresponding path program 1 times [2021-11-07 20:34:28,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:28,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709603097] [2021-11-07 20:34:28,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:28,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:29,025 INFO 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 20:34:29,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:29,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709603097] [2021-11-07 20:34:29,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709603097] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:29,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:29,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:29,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768451642] [2021-11-07 20:34:29,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:29,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:29,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:29,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:29,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:29,028 INFO L87 Difference]: Start difference. First operand 1745 states and 2156 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 20:34:29,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:29,084 INFO L93 Difference]: Finished difference Result 1745 states and 2156 transitions. [2021-11-07 20:34:29,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:29,085 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 20:34:29,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:29,090 INFO L225 Difference]: With dead ends: 1745 [2021-11-07 20:34:29,090 INFO L226 Difference]: Without dead ends: 1741 [2021-11-07 20:34:29,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.85ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:29,092 INFO L933 BasicCegarLoop]: 2148 mSDtfsCounter, 2264 mSDsluCounter, 2006 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 4154 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.77ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.78ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:29,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2264 Valid, 4154 Invalid, 6 Unknown, 0 Unchecked, 7.77ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.78ms Time] [2021-11-07 20:34:29,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2021-11-07 20:34:29,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1741. [2021-11-07 20:34:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1741 states, 1491 states have (on average 1.2904091213950368) internal successors, (1924), 1624 states have internal predecessors, (1924), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2021-11-07 20:34:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 2152 transitions. [2021-11-07 20:34:29,139 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 2152 transitions. Word has length 35 [2021-11-07 20:34:29,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:29,139 INFO L470 AbstractCegarLoop]: Abstraction has 1741 states and 2152 transitions. [2021-11-07 20:34:29,139 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 20:34:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2152 transitions. [2021-11-07 20:34:29,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 20:34:29,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:29,140 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 20:34:29,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 20:34:29,141 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:29,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:29,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1362118601, now seen corresponding path program 1 times [2021-11-07 20:34:29,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:29,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609268170] [2021-11-07 20:34:29,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:29,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:34:29,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:29,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609268170] [2021-11-07 20:34:29,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609268170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:29,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:29,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:29,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530583719] [2021-11-07 20:34:29,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:29,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:29,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:29,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:29,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:29,235 INFO L87 Difference]: Start difference. First operand 1741 states and 2152 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 20:34:29,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:29,294 INFO L93 Difference]: Finished difference Result 1741 states and 2152 transitions. [2021-11-07 20:34:29,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:29,295 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 20:34:29,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:29,301 INFO L225 Difference]: With dead ends: 1741 [2021-11-07 20:34:29,301 INFO L226 Difference]: Without dead ends: 1737 [2021-11-07 20:34:29,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.82ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:29,302 INFO L933 BasicCegarLoop]: 2144 mSDtfsCounter, 2250 mSDsluCounter, 2010 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 4154 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.35ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.88ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:29,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2250 Valid, 4154 Invalid, 6 Unknown, 0 Unchecked, 7.35ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.88ms Time] [2021-11-07 20:34:29,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2021-11-07 20:34:29,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1737. [2021-11-07 20:34:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1737 states, 1489 states have (on average 1.2894560107454667) internal successors, (1920), 1620 states have internal predecessors, (1920), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2021-11-07 20:34:29,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 2148 transitions. [2021-11-07 20:34:29,352 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 2148 transitions. Word has length 37 [2021-11-07 20:34:29,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:29,352 INFO L470 AbstractCegarLoop]: Abstraction has 1737 states and 2148 transitions. [2021-11-07 20:34:29,353 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 20:34:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2148 transitions. [2021-11-07 20:34:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 20:34:29,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:29,354 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 20:34:29,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 20:34:29,354 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:29,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:29,354 INFO L85 PathProgramCache]: Analyzing trace with hash 969269147, now seen corresponding path program 1 times [2021-11-07 20:34:29,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:29,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82844434] [2021-11-07 20:34:29,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:29,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:29,445 INFO 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 20:34:29,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:29,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82844434] [2021-11-07 20:34:29,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82844434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:29,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:29,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:29,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358217608] [2021-11-07 20:34:29,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:29,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:29,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:29,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:29,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:29,447 INFO L87 Difference]: Start difference. First operand 1737 states and 2148 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 20:34:29,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:29,510 INFO L93 Difference]: Finished difference Result 1737 states and 2148 transitions. [2021-11-07 20:34:29,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:29,510 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 20:34:29,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:29,516 INFO L225 Difference]: With dead ends: 1737 [2021-11-07 20:34:29,516 INFO L226 Difference]: Without dead ends: 1733 [2021-11-07 20:34:29,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.86ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:29,517 INFO L933 BasicCegarLoop]: 2140 mSDtfsCounter, 2236 mSDsluCounter, 2014 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 4154 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.99ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.16ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:29,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 4154 Invalid, 6 Unknown, 0 Unchecked, 6.99ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.16ms Time] [2021-11-07 20:34:29,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2021-11-07 20:34:29,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1733. [2021-11-07 20:34:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1487 states have (on average 1.288500336247478) internal successors, (1916), 1616 states have internal predecessors, (1916), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2021-11-07 20:34:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2144 transitions. [2021-11-07 20:34:29,614 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2144 transitions. Word has length 39 [2021-11-07 20:34:29,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:29,615 INFO L470 AbstractCegarLoop]: Abstraction has 1733 states and 2144 transitions. [2021-11-07 20:34:29,615 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 20:34:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2144 transitions. [2021-11-07 20:34:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 20:34:29,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:29,616 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 20:34:29,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 20:34:29,616 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:29,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:29,616 INFO L85 PathProgramCache]: Analyzing trace with hash -540033185, now seen corresponding path program 1 times [2021-11-07 20:34:29,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:29,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221390310] [2021-11-07 20:34:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:29,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:29,704 INFO 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 20:34:29,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:29,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221390310] [2021-11-07 20:34:29,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221390310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:29,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:29,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:29,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431650591] [2021-11-07 20:34:29,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:29,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:29,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:29,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:29,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:29,706 INFO L87 Difference]: Start difference. First operand 1733 states and 2144 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 20:34:29,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:29,771 INFO L93 Difference]: Finished difference Result 1733 states and 2144 transitions. [2021-11-07 20:34:29,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:29,772 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 20:34:29,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:29,777 INFO L225 Difference]: With dead ends: 1733 [2021-11-07 20:34:29,777 INFO L226 Difference]: Without dead ends: 1729 [2021-11-07 20:34:29,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.99ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:29,779 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2222 mSDsluCounter, 2018 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 4154 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.15ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.99ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:29,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2222 Valid, 4154 Invalid, 6 Unknown, 0 Unchecked, 7.15ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.99ms Time] [2021-11-07 20:34:29,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1729 states. [2021-11-07 20:34:29,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1729 to 1729. [2021-11-07 20:34:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1485 states have (on average 1.2875420875420875) internal successors, (1912), 1612 states have internal predecessors, (1912), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2021-11-07 20:34:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2140 transitions. [2021-11-07 20:34:29,836 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2140 transitions. Word has length 41 [2021-11-07 20:34:29,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:29,836 INFO L470 AbstractCegarLoop]: Abstraction has 1729 states and 2140 transitions. [2021-11-07 20:34:29,836 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 20:34:29,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2140 transitions. [2021-11-07 20:34:29,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 20:34:29,837 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:29,837 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 20:34:29,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 20:34:29,837 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:29,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:29,838 INFO L85 PathProgramCache]: Analyzing trace with hash 719372163, now seen corresponding path program 1 times [2021-11-07 20:34:29,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:29,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332673860] [2021-11-07 20:34:29,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:29,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:29,927 INFO 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 20:34:29,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:29,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332673860] [2021-11-07 20:34:29,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332673860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:29,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:29,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:29,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670055142] [2021-11-07 20:34:29,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:29,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:29,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:29,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:29,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:29,929 INFO L87 Difference]: Start difference. First operand 1729 states and 2140 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 20:34:29,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:29,994 INFO L93 Difference]: Finished difference Result 1729 states and 2140 transitions. [2021-11-07 20:34:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:29,995 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 20:34:29,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:30,000 INFO L225 Difference]: With dead ends: 1729 [2021-11-07 20:34:30,001 INFO L226 Difference]: Without dead ends: 1725 [2021-11-07 20:34:30,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.86ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:30,002 INFO L933 BasicCegarLoop]: 2132 mSDtfsCounter, 2208 mSDsluCounter, 2022 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 4154 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.86ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.08ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:30,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2208 Valid, 4154 Invalid, 6 Unknown, 0 Unchecked, 6.86ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.08ms Time] [2021-11-07 20:34:30,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2021-11-07 20:34:30,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1725. [2021-11-07 20:34:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1483 states have (on average 1.2865812542144301) internal successors, (1908), 1608 states have internal predecessors, (1908), 114 states have call successors, (114), 14 states have call predecessors, (114), 14 states have return successors, (114), 105 states have call predecessors, (114), 114 states have call successors, (114) [2021-11-07 20:34:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2136 transitions. [2021-11-07 20:34:30,061 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2136 transitions. Word has length 43 [2021-11-07 20:34:30,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:30,061 INFO L470 AbstractCegarLoop]: Abstraction has 1725 states and 2136 transitions. [2021-11-07 20:34:30,061 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 20:34:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2136 transitions. [2021-11-07 20:34:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 20:34:30,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:30,062 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 20:34:30,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 20:34:30,063 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:30,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:30,063 INFO L85 PathProgramCache]: Analyzing trace with hash -172865529, now seen corresponding path program 1 times [2021-11-07 20:34:30,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:30,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378598491] [2021-11-07 20:34:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:30,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:30,153 INFO 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 20:34:30,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:30,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378598491] [2021-11-07 20:34:30,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378598491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:30,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:30,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:30,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119445605] [2021-11-07 20:34:30,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:30,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:30,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:30,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:30,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:30,155 INFO L87 Difference]: Start difference. First operand 1725 states and 2136 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 20:34:30,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:30,314 INFO L93 Difference]: Finished difference Result 3290 states and 4200 transitions. [2021-11-07 20:34:30,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:34:30,315 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 20:34:30,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:30,327 INFO L225 Difference]: With dead ends: 3290 [2021-11-07 20:34:30,327 INFO L226 Difference]: Without dead ends: 3286 [2021-11-07 20:34:30,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.13ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:30,329 INFO L933 BasicCegarLoop]: 2299 mSDtfsCounter, 2280 mSDsluCounter, 4269 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2280 SdHoareTripleChecker+Valid, 6568 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.59ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.10ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:30,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2280 Valid, 6568 Invalid, 19 Unknown, 0 Unchecked, 10.59ms Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 14.10ms Time] [2021-11-07 20:34:30,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3286 states. [2021-11-07 20:34:30,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3286 to 3023. [2021-11-07 20:34:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3023 states, 2658 states have (on average 1.2979683972911964) internal successors, (3450), 2792 states have internal predecessors, (3450), 224 states have call successors, (224), 27 states have call predecessors, (224), 27 states have return successors, (336), 208 states have call predecessors, (336), 224 states have call successors, (336) [2021-11-07 20:34:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 3023 states and 4010 transitions. [2021-11-07 20:34:30,450 INFO L78 Accepts]: Start accepts. Automaton has 3023 states and 4010 transitions. Word has length 45 [2021-11-07 20:34:30,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:30,450 INFO L470 AbstractCegarLoop]: Abstraction has 3023 states and 4010 transitions. [2021-11-07 20:34:30,451 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 20:34:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3023 states and 4010 transitions. [2021-11-07 20:34:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 20:34:30,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:30,451 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 20:34:30,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 20:34:30,452 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:30,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:30,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1380171018, now seen corresponding path program 1 times [2021-11-07 20:34:30,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:30,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021111271] [2021-11-07 20:34:30,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:30,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:30,536 INFO 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 20:34:30,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:30,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021111271] [2021-11-07 20:34:30,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021111271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:30,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:30,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:30,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685538896] [2021-11-07 20:34:30,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:30,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:30,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:30,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:30,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:30,538 INFO L87 Difference]: Start difference. First operand 3023 states and 4010 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 20:34:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:30,633 INFO L93 Difference]: Finished difference Result 3023 states and 4010 transitions. [2021-11-07 20:34:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:30,634 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 20:34:30,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:30,643 INFO L225 Difference]: With dead ends: 3023 [2021-11-07 20:34:30,644 INFO L226 Difference]: Without dead ends: 3019 [2021-11-07 20:34:30,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.76ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:30,646 INFO L933 BasicCegarLoop]: 2127 mSDtfsCounter, 2184 mSDsluCounter, 2033 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 4160 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.86ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.52ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:30,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2184 Valid, 4160 Invalid, 8 Unknown, 0 Unchecked, 5.86ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 5.52ms Time] [2021-11-07 20:34:30,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3019 states. [2021-11-07 20:34:30,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3019 to 3019. [2021-11-07 20:34:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3019 states, 2656 states have (on average 1.2974397590361446) internal successors, (3446), 2788 states have internal predecessors, (3446), 224 states have call successors, (224), 27 states have call predecessors, (224), 27 states have return successors, (336), 208 states have call predecessors, (336), 224 states have call successors, (336) [2021-11-07 20:34:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 4006 transitions. [2021-11-07 20:34:30,760 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 4006 transitions. Word has length 47 [2021-11-07 20:34:30,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:30,761 INFO L470 AbstractCegarLoop]: Abstraction has 3019 states and 4006 transitions. [2021-11-07 20:34:30,761 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 20:34:30,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 4006 transitions. [2021-11-07 20:34:30,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 20:34:30,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:30,763 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 20:34:30,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 20:34:30,763 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:30,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:30,764 INFO L85 PathProgramCache]: Analyzing trace with hash -800325010, now seen corresponding path program 1 times [2021-11-07 20:34:30,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:30,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096046292] [2021-11-07 20:34:30,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:30,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:30,907 INFO 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 20:34:30,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:30,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096046292] [2021-11-07 20:34:30,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096046292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:30,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:30,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:30,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100655103] [2021-11-07 20:34:30,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:30,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:30,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:30,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:30,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:30,909 INFO L87 Difference]: Start difference. First operand 3019 states and 4006 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 20:34:31,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:31,027 INFO L93 Difference]: Finished difference Result 3019 states and 4006 transitions. [2021-11-07 20:34:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:31,028 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 20:34:31,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:31,038 INFO L225 Difference]: With dead ends: 3019 [2021-11-07 20:34:31,038 INFO L226 Difference]: Without dead ends: 3015 [2021-11-07 20:34:31,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.92ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:31,040 INFO L933 BasicCegarLoop]: 2124 mSDtfsCounter, 2170 mSDsluCounter, 2038 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2170 SdHoareTripleChecker+Valid, 4162 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.65ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.07ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:31,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2170 Valid, 4162 Invalid, 6 Unknown, 0 Unchecked, 6.65ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.07ms Time] [2021-11-07 20:34:31,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2021-11-07 20:34:31,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 3015. [2021-11-07 20:34:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3015 states, 2654 states have (on average 1.2969103240391862) internal successors, (3442), 2784 states have internal predecessors, (3442), 224 states have call successors, (224), 27 states have call predecessors, (224), 27 states have return successors, (336), 208 states have call predecessors, (336), 224 states have call successors, (336) [2021-11-07 20:34:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 3015 states and 4002 transitions. [2021-11-07 20:34:31,180 INFO L78 Accepts]: Start accepts. Automaton has 3015 states and 4002 transitions. Word has length 49 [2021-11-07 20:34:31,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:31,181 INFO L470 AbstractCegarLoop]: Abstraction has 3015 states and 4002 transitions. [2021-11-07 20:34:31,181 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 20:34:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 4002 transitions. [2021-11-07 20:34:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 20:34:31,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:31,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:34:31,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 20:34:31,183 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:31,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:31,183 INFO L85 PathProgramCache]: Analyzing trace with hash -312967118, now seen corresponding path program 1 times [2021-11-07 20:34:31,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:31,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654414652] [2021-11-07 20:34:31,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:31,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:31,288 INFO 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 20:34:31,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:31,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654414652] [2021-11-07 20:34:31,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654414652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:31,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:31,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:31,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341990201] [2021-11-07 20:34:31,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:31,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:31,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:31,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:31,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:31,291 INFO L87 Difference]: Start difference. First operand 3015 states and 4002 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 20:34:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:31,416 INFO L93 Difference]: Finished difference Result 3015 states and 4002 transitions. [2021-11-07 20:34:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:31,417 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 20:34:31,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:31,430 INFO L225 Difference]: With dead ends: 3015 [2021-11-07 20:34:31,430 INFO L226 Difference]: Without dead ends: 3011 [2021-11-07 20:34:31,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.57ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:31,433 INFO L933 BasicCegarLoop]: 2120 mSDtfsCounter, 2156 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 4162 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.98ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.71ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:31,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2156 Valid, 4162 Invalid, 6 Unknown, 0 Unchecked, 6.98ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.71ms Time] [2021-11-07 20:34:31,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3011 states. [2021-11-07 20:34:31,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3011 to 3011. [2021-11-07 20:34:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3011 states, 2652 states have (on average 1.2963800904977376) internal successors, (3438), 2780 states have internal predecessors, (3438), 224 states have call successors, (224), 27 states have call predecessors, (224), 27 states have return successors, (336), 208 states have call predecessors, (336), 224 states have call successors, (336) [2021-11-07 20:34:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 3011 states and 3998 transitions. [2021-11-07 20:34:31,555 INFO L78 Accepts]: Start accepts. Automaton has 3011 states and 3998 transitions. Word has length 51 [2021-11-07 20:34:31,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:31,555 INFO L470 AbstractCegarLoop]: Abstraction has 3011 states and 3998 transitions. [2021-11-07 20:34:31,555 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 20:34:31,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 3998 transitions. [2021-11-07 20:34:31,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 20:34:31,556 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:31,556 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 20:34:31,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 20:34:31,556 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:31,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:31,557 INFO L85 PathProgramCache]: Analyzing trace with hash -113467818, now seen corresponding path program 1 times [2021-11-07 20:34:31,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:31,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198786923] [2021-11-07 20:34:31,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:31,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:31,647 INFO 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 20:34:31,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:31,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198786923] [2021-11-07 20:34:31,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198786923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:31,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:31,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:31,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071100449] [2021-11-07 20:34:31,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:31,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:31,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:31,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:31,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:31,649 INFO L87 Difference]: Start difference. First operand 3011 states and 3998 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 20:34:31,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:31,780 INFO L93 Difference]: Finished difference Result 3011 states and 3998 transitions. [2021-11-07 20:34:31,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:31,781 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 20:34:31,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:31,789 INFO L225 Difference]: With dead ends: 3011 [2021-11-07 20:34:31,790 INFO L226 Difference]: Without dead ends: 3007 [2021-11-07 20:34:31,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.77ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:31,791 INFO L933 BasicCegarLoop]: 2116 mSDtfsCounter, 2142 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2142 SdHoareTripleChecker+Valid, 4162 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.61ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.36ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:31,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2142 Valid, 4162 Invalid, 6 Unknown, 0 Unchecked, 5.61ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.36ms Time] [2021-11-07 20:34:31,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2021-11-07 20:34:31,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 3007. [2021-11-07 20:34:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3007 states, 2650 states have (on average 1.2958490566037735) internal successors, (3434), 2776 states have internal predecessors, (3434), 224 states have call successors, (224), 27 states have call predecessors, (224), 27 states have return successors, (336), 208 states have call predecessors, (336), 224 states have call successors, (336) [2021-11-07 20:34:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 3007 states and 3994 transitions. [2021-11-07 20:34:31,896 INFO L78 Accepts]: Start accepts. Automaton has 3007 states and 3994 transitions. Word has length 53 [2021-11-07 20:34:31,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:31,897 INFO L470 AbstractCegarLoop]: Abstraction has 3007 states and 3994 transitions. [2021-11-07 20:34:31,897 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 20:34:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3007 states and 3994 transitions. [2021-11-07 20:34:31,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 20:34:31,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:31,898 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 20:34:31,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 20:34:31,898 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting submit_async_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:31,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:31,898 INFO L85 PathProgramCache]: Analyzing trace with hash -245003035, now seen corresponding path program 1 times [2021-11-07 20:34:31,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:31,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672158506] [2021-11-07 20:34:31,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:31,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:32,046 INFO 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 20:34:32,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:32,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672158506] [2021-11-07 20:34:32,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672158506] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:32,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:32,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:34:32,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988780741] [2021-11-07 20:34:32,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:32,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:34:32,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:32,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:34:32,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:32,048 INFO L87 Difference]: Start difference. First operand 3007 states and 3994 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 20:34:32,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:32,219 INFO L93 Difference]: Finished difference Result 5870 states and 8194 transitions. [2021-11-07 20:34:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:34:32,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 55 [2021-11-07 20:34:32,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:32,231 INFO L225 Difference]: With dead ends: 5870 [2021-11-07 20:34:32,231 INFO L226 Difference]: Without dead ends: 3011 [2021-11-07 20:34:32,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.16ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:34:32,260 INFO L933 BasicCegarLoop]: 2121 mSDtfsCounter, 2393 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2393 SdHoareTripleChecker+Valid, 6043 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.77ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.05ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:32,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2393 Valid, 6043 Invalid, 43 Unknown, 0 Unchecked, 7.77ms Time], IncrementalHoareTripleChecker [21 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 34.05ms Time] [2021-11-07 20:34:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3011 states. [2021-11-07 20:34:32,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3011 to 3009. [2021-11-07 20:34:32,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 2651 states have (on average 1.2927197284043757) internal successors, (3427), 2778 states have internal predecessors, (3427), 224 states have call successors, (224), 27 states have call predecessors, (224), 28 states have return successors, (356), 208 states have call predecessors, (356), 224 states have call successors, (356) [2021-11-07 20:34:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 4007 transitions. [2021-11-07 20:34:32,373 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 4007 transitions. Word has length 55 [2021-11-07 20:34:32,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:32,374 INFO L470 AbstractCegarLoop]: Abstraction has 3009 states and 4007 transitions. [2021-11-07 20:34:32,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 20:34:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 4007 transitions. [2021-11-07 20:34:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 20:34:32,375 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:32,375 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 20:34:32,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 20:34:32,375 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting submit_async_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:32,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:32,376 INFO L85 PathProgramCache]: Analyzing trace with hash -244943453, now seen corresponding path program 1 times [2021-11-07 20:34:32,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:32,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691097864] [2021-11-07 20:34:32,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:32,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:32,454 INFO 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 20:34:32,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:32,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691097864] [2021-11-07 20:34:32,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691097864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:32,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:32,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:34:32,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925335957] [2021-11-07 20:34:32,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:32,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:32,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:32,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:32,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:32,456 INFO L87 Difference]: Start difference. First operand 3009 states and 4007 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 20:34:32,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:32,571 INFO L93 Difference]: Finished difference Result 3011 states and 4028 transitions. [2021-11-07 20:34:32,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:34:32,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 55 [2021-11-07 20:34:32,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:32,579 INFO L225 Difference]: With dead ends: 3011 [2021-11-07 20:34:32,579 INFO L226 Difference]: Without dead ends: 3003 [2021-11-07 20:34:32,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.06ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:32,581 INFO L933 BasicCegarLoop]: 2121 mSDtfsCounter, 306 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 6052 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.44ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.32ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:32,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 6052 Invalid, 30 Unknown, 0 Unchecked, 5.44ms Time], IncrementalHoareTripleChecker [18 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 24.32ms Time] [2021-11-07 20:34:32,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2021-11-07 20:34:32,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 3001. [2021-11-07 20:34:32,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2647 states have (on average 1.2901397808840196) internal successors, (3415), 2770 states have internal predecessors, (3415), 224 states have call successors, (224), 27 states have call predecessors, (224), 28 states have return successors, (356), 208 states have call predecessors, (356), 224 states have call successors, (356) [2021-11-07 20:34:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 3995 transitions. [2021-11-07 20:34:32,708 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 3995 transitions. Word has length 55 [2021-11-07 20:34:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:32,708 INFO L470 AbstractCegarLoop]: Abstraction has 3001 states and 3995 transitions. [2021-11-07 20:34:32,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 20:34:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3995 transitions. [2021-11-07 20:34:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 20:34:32,709 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:32,709 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 20:34:32,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 20:34:32,710 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:32,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:32,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1668168486, now seen corresponding path program 1 times [2021-11-07 20:34:32,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:32,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132797596] [2021-11-07 20:34:32,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:32,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:32,788 INFO 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 20:34:32,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:32,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132797596] [2021-11-07 20:34:32,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132797596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:32,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:32,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:32,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520290503] [2021-11-07 20:34:32,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:32,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:32,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:32,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:32,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:32,790 INFO L87 Difference]: Start difference. First operand 3001 states and 3995 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 20:34:32,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:32,885 INFO L93 Difference]: Finished difference Result 3001 states and 3995 transitions. [2021-11-07 20:34:32,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:32,885 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 20:34:32,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:32,892 INFO L225 Difference]: With dead ends: 3001 [2021-11-07 20:34:32,892 INFO L226 Difference]: Without dead ends: 2997 [2021-11-07 20:34:32,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:32,893 INFO L933 BasicCegarLoop]: 2100 mSDtfsCounter, 2116 mSDsluCounter, 2038 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 4138 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.29ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.92ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:32,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 4138 Invalid, 6 Unknown, 0 Unchecked, 5.29ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.92ms Time] [2021-11-07 20:34:32,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2021-11-07 20:34:32,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2997. [2021-11-07 20:34:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 2645 states have (on average 1.2896030245746692) internal successors, (3411), 2766 states have internal predecessors, (3411), 224 states have call successors, (224), 27 states have call predecessors, (224), 28 states have return successors, (356), 208 states have call predecessors, (356), 224 states have call successors, (356) [2021-11-07 20:34:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 3991 transitions. [2021-11-07 20:34:33,000 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 3991 transitions. Word has length 55 [2021-11-07 20:34:33,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:33,000 INFO L470 AbstractCegarLoop]: Abstraction has 2997 states and 3991 transitions. [2021-11-07 20:34:33,000 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 20:34:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 3991 transitions. [2021-11-07 20:34:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 20:34:33,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:33,001 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:34:33,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 20:34:33,001 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting submit_async_requestErr1ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:33,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:33,002 INFO L85 PathProgramCache]: Analyzing trace with hash 43563833, now seen corresponding path program 1 times [2021-11-07 20:34:33,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:33,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412705913] [2021-11-07 20:34:33,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:33,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:33,088 INFO 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 20:34:33,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:33,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412705913] [2021-11-07 20:34:33,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412705913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:33,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:33,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:34:33,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768021140] [2021-11-07 20:34:33,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:33,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:34:33,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:33,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:34:33,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:34:33,092 INFO L87 Difference]: Start difference. First operand 2997 states and 3991 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 20:34:33,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:33,217 INFO L93 Difference]: Finished difference Result 5892 states and 8199 transitions. [2021-11-07 20:34:33,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:34:33,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 58 [2021-11-07 20:34:33,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:33,227 INFO L225 Difference]: With dead ends: 5892 [2021-11-07 20:34:33,227 INFO L226 Difference]: Without dead ends: 2978 [2021-11-07 20:34:33,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:34:33,276 INFO L933 BasicCegarLoop]: 2079 mSDtfsCounter, 2029 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.23ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.45ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:33,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2029 Valid, 2079 Invalid, 9 Unknown, 0 Unchecked, 3.23ms Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 9.45ms Time] [2021-11-07 20:34:33,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2978 states. [2021-11-07 20:34:33,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2978 to 2978. [2021-11-07 20:34:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2978 states, 2631 states have (on average 1.2843025465602433) internal successors, (3379), 2747 states have internal predecessors, (3379), 224 states have call successors, (224), 27 states have call predecessors, (224), 28 states have return successors, (356), 208 states have call predecessors, (356), 224 states have call successors, (356) [2021-11-07 20:34:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2978 states and 3959 transitions. [2021-11-07 20:34:33,383 INFO L78 Accepts]: Start accepts. Automaton has 2978 states and 3959 transitions. Word has length 58 [2021-11-07 20:34:33,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:33,384 INFO L470 AbstractCegarLoop]: Abstraction has 2978 states and 3959 transitions. [2021-11-07 20:34:33,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 20:34:33,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 3959 transitions. [2021-11-07 20:34:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 20:34:33,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:33,385 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 20:34:33,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 20:34:33,385 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:33,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:33,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1086891074, now seen corresponding path program 1 times [2021-11-07 20:34:33,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:33,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264940256] [2021-11-07 20:34:33,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:33,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:33,480 INFO 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 20:34:33,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:33,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264940256] [2021-11-07 20:34:33,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264940256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:33,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:33,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:33,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912617433] [2021-11-07 20:34:33,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:33,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:33,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:33,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:33,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:33,482 INFO L87 Difference]: Start difference. First operand 2978 states and 3959 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 20:34:33,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:33,584 INFO L93 Difference]: Finished difference Result 2978 states and 3959 transitions. [2021-11-07 20:34:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:33,585 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 20:34:33,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:33,591 INFO L225 Difference]: With dead ends: 2978 [2021-11-07 20:34:33,591 INFO L226 Difference]: Without dead ends: 2974 [2021-11-07 20:34:33,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:33,593 INFO L933 BasicCegarLoop]: 2076 mSDtfsCounter, 2082 mSDsluCounter, 2022 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.38ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.06ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:33,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2082 Valid, 4098 Invalid, 6 Unknown, 0 Unchecked, 5.38ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.06ms Time] [2021-11-07 20:34:33,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states. [2021-11-07 20:34:33,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 2974. [2021-11-07 20:34:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2629 states have (on average 1.283758082921263) internal successors, (3375), 2743 states have internal predecessors, (3375), 224 states have call successors, (224), 27 states have call predecessors, (224), 28 states have return successors, (356), 208 states have call predecessors, (356), 224 states have call successors, (356) [2021-11-07 20:34:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 3955 transitions. [2021-11-07 20:34:33,713 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 3955 transitions. Word has length 57 [2021-11-07 20:34:33,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:33,713 INFO L470 AbstractCegarLoop]: Abstraction has 2974 states and 3955 transitions. [2021-11-07 20:34:33,713 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 20:34:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 3955 transitions. [2021-11-07 20:34:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 20:34:33,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:33,714 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:34:33,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 20:34:33,715 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:33,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:33,715 INFO L85 PathProgramCache]: Analyzing trace with hash 166502178, now seen corresponding path program 1 times [2021-11-07 20:34:33,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:33,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819768348] [2021-11-07 20:34:33,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:33,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-07 20:34:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:33,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:34:33,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:33,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819768348] [2021-11-07 20:34:33,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819768348] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:33,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:33,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:34:33,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669776453] [2021-11-07 20:34:33,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:33,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:34:33,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:33,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:34:33,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:34:33,898 INFO L87 Difference]: Start difference. First operand 2974 states and 3955 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 20:34:34,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:34:43,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:43,064 INFO L93 Difference]: Finished difference Result 6656 states and 9026 transitions. [2021-11-07 20:34:43,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:34:43,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 58 [2021-11-07 20:34:43,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:43,090 INFO L225 Difference]: With dead ends: 6656 [2021-11-07 20:34:43,090 INFO L226 Difference]: Without dead ends: 3847 [2021-11-07 20:34:43,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.40ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:34:43,104 INFO L933 BasicCegarLoop]: 2539 mSDtfsCounter, 554 mSDsluCounter, 8647 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8289.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 11186 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.68ms SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8796.99ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:43,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [589 Valid, 11186 Invalid, 1352 Unknown, 0 Unchecked, 27.68ms Time], IncrementalHoareTripleChecker [191 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 8796.99ms Time] [2021-11-07 20:34:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3847 states. [2021-11-07 20:34:43,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3847 to 3070. [2021-11-07 20:34:43,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3070 states, 2717 states have (on average 1.276775855723224) internal successors, (3469), 2801 states have internal predecessors, (3469), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 246 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:34:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4113 transitions. [2021-11-07 20:34:43,266 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4113 transitions. Word has length 58 [2021-11-07 20:34:43,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:43,267 INFO L470 AbstractCegarLoop]: Abstraction has 3070 states and 4113 transitions. [2021-11-07 20:34:43,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 20:34:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4113 transitions. [2021-11-07 20:34:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 20:34:43,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:43,268 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 20:34:43,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 20:34:43,268 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:43,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:43,269 INFO L85 PathProgramCache]: Analyzing trace with hash -825046270, now seen corresponding path program 1 times [2021-11-07 20:34:43,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:43,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999875743] [2021-11-07 20:34:43,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:43,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:43,374 INFO 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 20:34:43,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:43,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999875743] [2021-11-07 20:34:43,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999875743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:43,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:43,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:43,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965833657] [2021-11-07 20:34:43,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:43,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:43,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:43,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:43,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:43,377 INFO L87 Difference]: Start difference. First operand 3070 states and 4113 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 20:34:43,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:43,497 INFO L93 Difference]: Finished difference Result 3070 states and 4113 transitions. [2021-11-07 20:34:43,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:43,498 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 20:34:43,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:43,508 INFO L225 Difference]: With dead ends: 3070 [2021-11-07 20:34:43,508 INFO L226 Difference]: Without dead ends: 3066 [2021-11-07 20:34:43,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.61ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:43,511 INFO L933 BasicCegarLoop]: 2072 mSDtfsCounter, 2068 mSDsluCounter, 2026 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.34ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.51ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:43,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 4098 Invalid, 6 Unknown, 0 Unchecked, 5.34ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.51ms Time] [2021-11-07 20:34:43,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2021-11-07 20:34:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 3066. [2021-11-07 20:34:43,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3066 states, 2715 states have (on average 1.276243093922652) internal successors, (3465), 2797 states have internal predecessors, (3465), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 246 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:34:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3066 states to 3066 states and 4109 transitions. [2021-11-07 20:34:43,784 INFO L78 Accepts]: Start accepts. Automaton has 3066 states and 4109 transitions. Word has length 59 [2021-11-07 20:34:43,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:43,784 INFO L470 AbstractCegarLoop]: Abstraction has 3066 states and 4109 transitions. [2021-11-07 20:34:43,784 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 20:34:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 4109 transitions. [2021-11-07 20:34:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 20:34:43,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:43,786 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:34:43,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 20:34:43,786 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:43,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:43,787 INFO L85 PathProgramCache]: Analyzing trace with hash -453684406, now seen corresponding path program 1 times [2021-11-07 20:34:43,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:43,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707014223] [2021-11-07 20:34:43,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:43,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:44,097 INFO 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 20:34:44,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:44,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707014223] [2021-11-07 20:34:44,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707014223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:44,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:44,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 20:34:44,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025429630] [2021-11-07 20:34:44,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:44,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:34:44,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:44,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:34:44,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:34:44,099 INFO L87 Difference]: Start difference. First operand 3066 states and 4109 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 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 20:34:45,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:45,743 INFO L93 Difference]: Finished difference Result 11212 states and 15158 transitions. [2021-11-07 20:34:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 20:34:45,744 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 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 20:34:45,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:45,781 INFO L225 Difference]: With dead ends: 11212 [2021-11-07 20:34:45,781 INFO L226 Difference]: Without dead ends: 8545 [2021-11-07 20:34:45,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 102.44ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-07 20:34:45,800 INFO L933 BasicCegarLoop]: 3428 mSDtfsCounter, 11205 mSDsluCounter, 14875 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 812.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11278 SdHoareTripleChecker+Valid, 18303 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.33ms SdHoareTripleChecker+Time, 689 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 938.43ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:45,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11278 Valid, 18303 Invalid, 725 Unknown, 0 Unchecked, 32.33ms Time], IncrementalHoareTripleChecker [689 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 938.43ms Time] [2021-11-07 20:34:45,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8545 states. [2021-11-07 20:34:46,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8545 to 3100. [2021-11-07 20:34:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3100 states, 2749 states have (on average 1.2753728628592216) internal successors, (3506), 2831 states have internal predecessors, (3506), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 246 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:34:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3100 states to 3100 states and 4150 transitions. [2021-11-07 20:34:46,163 INFO L78 Accepts]: Start accepts. Automaton has 3100 states and 4150 transitions. Word has length 60 [2021-11-07 20:34:46,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:46,163 INFO L470 AbstractCegarLoop]: Abstraction has 3100 states and 4150 transitions. [2021-11-07 20:34:46,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 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 20:34:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3100 states and 4150 transitions. [2021-11-07 20:34:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 20:34:46,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:46,164 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 20:34:46,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 20:34:46,165 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:46,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:46,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1699707558, now seen corresponding path program 1 times [2021-11-07 20:34:46,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:46,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117788192] [2021-11-07 20:34:46,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:46,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:46,312 INFO 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 20:34:46,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:46,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117788192] [2021-11-07 20:34:46,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117788192] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:46,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:46,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:46,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940362014] [2021-11-07 20:34:46,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:46,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:46,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:46,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:46,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:46,315 INFO L87 Difference]: Start difference. First operand 3100 states and 4150 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 20:34:46,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:46,518 INFO L93 Difference]: Finished difference Result 3100 states and 4150 transitions. [2021-11-07 20:34:46,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:46,519 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 20:34:46,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:46,526 INFO L225 Difference]: With dead ends: 3100 [2021-11-07 20:34:46,526 INFO L226 Difference]: Without dead ends: 3096 [2021-11-07 20:34:46,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.30ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:46,528 INFO L933 BasicCegarLoop]: 2068 mSDtfsCounter, 2054 mSDsluCounter, 2030 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2054 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.97ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.94ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:46,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2054 Valid, 4098 Invalid, 6 Unknown, 0 Unchecked, 4.97ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.94ms Time] [2021-11-07 20:34:46,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2021-11-07 20:34:46,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 3096. [2021-11-07 20:34:46,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 2747 states have (on average 1.2748452857662904) internal successors, (3502), 2827 states have internal predecessors, (3502), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 246 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:34:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 4146 transitions. [2021-11-07 20:34:46,808 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 4146 transitions. Word has length 61 [2021-11-07 20:34:46,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:46,808 INFO L470 AbstractCegarLoop]: Abstraction has 3096 states and 4146 transitions. [2021-11-07 20:34:46,808 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 20:34:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 4146 transitions. [2021-11-07 20:34:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-07 20:34:46,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:46,810 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] [2021-11-07 20:34:46,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 20:34:46,811 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:46,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:46,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1221097211, now seen corresponding path program 1 times [2021-11-07 20:34:46,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:46,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050414318] [2021-11-07 20:34:46,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:46,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:46,903 INFO 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 20:34:46,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:46,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050414318] [2021-11-07 20:34:46,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050414318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:46,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:46,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:34:46,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697418501] [2021-11-07 20:34:46,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:46,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:34:46,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:46,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:34:46,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:34:46,905 INFO L87 Difference]: Start difference. First operand 3096 states and 4146 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states 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 20:34:47,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:47,300 INFO L93 Difference]: Finished difference Result 9063 states and 13184 transitions. [2021-11-07 20:34:47,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:34:47,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-11-07 20:34:47,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:47,323 INFO L225 Difference]: With dead ends: 9063 [2021-11-07 20:34:47,324 INFO L226 Difference]: Without dead ends: 6054 [2021-11-07 20:34:47,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:34:47,347 INFO L933 BasicCegarLoop]: 2415 mSDtfsCounter, 2112 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2112 SdHoareTripleChecker+Valid, 4415 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.11ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.47ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:47,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2112 Valid, 4415 Invalid, 19 Unknown, 0 Unchecked, 5.11ms Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 19.47ms Time] [2021-11-07 20:34:47,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6054 states. [2021-11-07 20:34:47,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6054 to 5762. [2021-11-07 20:34:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5762 states, 5153 states have (on average 1.2850766543760916) internal successors, (6622), 5225 states have internal predecessors, (6622), 448 states have call successors, (448), 54 states have call predecessors, (448), 72 states have return successors, (1176), 492 states have call predecessors, (1176), 448 states have call successors, (1176) [2021-11-07 20:34:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5762 states to 5762 states and 8246 transitions. [2021-11-07 20:34:48,032 INFO L78 Accepts]: Start accepts. Automaton has 5762 states and 8246 transitions. Word has length 62 [2021-11-07 20:34:48,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:48,032 INFO L470 AbstractCegarLoop]: Abstraction has 5762 states and 8246 transitions. [2021-11-07 20:34:48,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states 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 20:34:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 5762 states and 8246 transitions. [2021-11-07 20:34:48,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-07 20:34:48,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:48,033 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] [2021-11-07 20:34:48,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 20:34:48,034 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:48,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:48,034 INFO L85 PathProgramCache]: Analyzing trace with hash -962931773, now seen corresponding path program 1 times [2021-11-07 20:34:48,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:48,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889873905] [2021-11-07 20:34:48,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:48,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:48,129 INFO 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 20:34:48,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:48,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889873905] [2021-11-07 20:34:48,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889873905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:48,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:48,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:34:48,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394725517] [2021-11-07 20:34:48,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:48,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:34:48,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:48,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:34:48,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:48,133 INFO L87 Difference]: Start difference. First operand 5762 states and 8246 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states 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 20:34:50,147 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 20:34:51,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:51,168 INFO L93 Difference]: Finished difference Result 13312 states and 19457 transitions. [2021-11-07 20:34:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:34:51,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-11-07 20:34:51,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:51,213 INFO L225 Difference]: With dead ends: 13312 [2021-11-07 20:34:51,213 INFO L226 Difference]: Without dead ends: 7758 [2021-11-07 20:34:51,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.10ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:34:51,247 INFO L933 BasicCegarLoop]: 4905 mSDtfsCounter, 3110 mSDsluCounter, 11974 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2049.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3183 SdHoareTripleChecker+Valid, 16879 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.44ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2181.12ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:51,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3183 Valid, 16879 Invalid, 44 Unknown, 0 Unchecked, 22.44ms Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 2181.12ms Time] [2021-11-07 20:34:51,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7758 states. [2021-11-07 20:34:51,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7758 to 3092. [2021-11-07 20:34:51,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 2745 states have (on average 1.2724954462659381) internal successors, (3493), 2823 states have internal predecessors, (3493), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 246 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:34:51,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 4137 transitions. [2021-11-07 20:34:51,570 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 4137 transitions. Word has length 62 [2021-11-07 20:34:51,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:51,571 INFO L470 AbstractCegarLoop]: Abstraction has 3092 states and 4137 transitions. [2021-11-07 20:34:51,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states 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 20:34:51,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 4137 transitions. [2021-11-07 20:34:51,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 20:34:51,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:51,572 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 20:34:51,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 20:34:51,573 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:51,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:51,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1331614378, now seen corresponding path program 1 times [2021-11-07 20:34:51,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:51,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20662960] [2021-11-07 20:34:51,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:51,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:51,680 INFO 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 20:34:51,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:51,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20662960] [2021-11-07 20:34:51,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20662960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:51,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:51,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:51,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613935124] [2021-11-07 20:34:51,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:51,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:51,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:51,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:51,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:51,683 INFO L87 Difference]: Start difference. First operand 3092 states and 4137 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 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 20:34:51,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:51,892 INFO L93 Difference]: Finished difference Result 3092 states and 4137 transitions. [2021-11-07 20:34:51,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:51,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 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 20:34:51,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:51,905 INFO L225 Difference]: With dead ends: 3092 [2021-11-07 20:34:51,905 INFO L226 Difference]: Without dead ends: 3088 [2021-11-07 20:34:51,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.23ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:51,907 INFO L933 BasicCegarLoop]: 2056 mSDtfsCounter, 2032 mSDsluCounter, 2026 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.80ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.27ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:51,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2032 Valid, 4082 Invalid, 6 Unknown, 0 Unchecked, 4.80ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.27ms Time] [2021-11-07 20:34:51,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2021-11-07 20:34:52,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 3088. [2021-11-07 20:34:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3088 states, 2743 states have (on average 1.2719650018228217) internal successors, (3489), 2819 states have internal predecessors, (3489), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 246 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:34:52,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 4133 transitions. [2021-11-07 20:34:52,189 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 4133 transitions. Word has length 63 [2021-11-07 20:34:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:52,190 INFO L470 AbstractCegarLoop]: Abstraction has 3088 states and 4133 transitions. [2021-11-07 20:34:52,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 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 20:34:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 4133 transitions. [2021-11-07 20:34:52,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 20:34:52,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:52,197 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] [2021-11-07 20:34:52,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 20:34:52,198 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:52,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:52,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1959292730, now seen corresponding path program 1 times [2021-11-07 20:34:52,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:52,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791318706] [2021-11-07 20:34:52,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:52,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:34:52,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:52,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791318706] [2021-11-07 20:34:52,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791318706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:52,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:52,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:34:52,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868138693] [2021-11-07 20:34:52,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:52,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:34:52,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:52,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:34:52,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:52,315 INFO L87 Difference]: Start difference. First operand 3088 states and 4133 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 20:34:53,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:34:54,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:54,380 INFO L93 Difference]: Finished difference Result 7746 states and 10773 transitions. [2021-11-07 20:34:54,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:34:54,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2021-11-07 20:34:54,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:54,410 INFO L225 Difference]: With dead ends: 7746 [2021-11-07 20:34:54,410 INFO L226 Difference]: Without dead ends: 7742 [2021-11-07 20:34:54,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.55ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:34:54,415 INFO L933 BasicCegarLoop]: 4850 mSDtfsCounter, 3088 mSDsluCounter, 11822 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1306.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3161 SdHoareTripleChecker+Valid, 16672 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.82ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1422.70ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:54,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3161 Valid, 16672 Invalid, 43 Unknown, 0 Unchecked, 17.82ms Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1422.70ms Time] [2021-11-07 20:34:54,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7742 states. [2021-11-07 20:34:54,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7742 to 3084. [2021-11-07 20:34:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 2741 states have (on average 1.2714337832907698) internal successors, (3485), 2815 states have internal predecessors, (3485), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 246 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:34:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4129 transitions. [2021-11-07 20:34:54,783 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4129 transitions. Word has length 64 [2021-11-07 20:34:54,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:54,783 INFO L470 AbstractCegarLoop]: Abstraction has 3084 states and 4129 transitions. [2021-11-07 20:34:54,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 20:34:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4129 transitions. [2021-11-07 20:34:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 20:34:54,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:54,785 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] [2021-11-07 20:34:54,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 20:34:54,786 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:54,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:54,786 INFO L85 PathProgramCache]: Analyzing trace with hash -703340252, now seen corresponding path program 1 times [2021-11-07 20:34:54,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:54,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507926106] [2021-11-07 20:34:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:54,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:54,886 INFO 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 20:34:54,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:54,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507926106] [2021-11-07 20:34:54,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507926106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:54,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:54,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:54,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386418881] [2021-11-07 20:34:54,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:54,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:34:54,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:54,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:34:54,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:34:54,889 INFO L87 Difference]: Start difference. First operand 3084 states and 4129 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 20:34:55,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:55,144 INFO L93 Difference]: Finished difference Result 5879 states and 7898 transitions. [2021-11-07 20:34:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:34:55,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2021-11-07 20:34:55,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:55,156 INFO L225 Difference]: With dead ends: 5879 [2021-11-07 20:34:55,157 INFO L226 Difference]: Without dead ends: 3080 [2021-11-07 20:34:55,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.92ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:34:55,169 INFO L933 BasicCegarLoop]: 2051 mSDtfsCounter, 2033 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 2051 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.95ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.24ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:55,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2033 Valid, 2051 Invalid, 4 Unknown, 0 Unchecked, 2.95ms Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 26.24ms Time] [2021-11-07 20:34:55,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2021-11-07 20:34:55,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3080. [2021-11-07 20:34:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3080 states, 2738 states have (on average 1.2702702702702702) internal successors, (3478), 2811 states have internal predecessors, (3478), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 246 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:34:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 3080 states and 4122 transitions. [2021-11-07 20:34:55,421 INFO L78 Accepts]: Start accepts. Automaton has 3080 states and 4122 transitions. Word has length 64 [2021-11-07 20:34:55,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:55,422 INFO L470 AbstractCegarLoop]: Abstraction has 3080 states and 4122 transitions. [2021-11-07 20:34:55,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 20:34:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 4122 transitions. [2021-11-07 20:34:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 20:34:55,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:55,423 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] [2021-11-07 20:34:55,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-07 20:34:55,424 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:55,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash -218612978, now seen corresponding path program 1 times [2021-11-07 20:34:55,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:55,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752803527] [2021-11-07 20:34:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:55,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:55,515 INFO 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 20:34:55,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:55,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752803527] [2021-11-07 20:34:55,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752803527] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:55,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:55,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:34:55,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846447133] [2021-11-07 20:34:55,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:55,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:34:55,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:55,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:34:55,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:34:55,517 INFO L87 Difference]: Start difference. First operand 3080 states and 4122 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 20:34:55,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:34:55,858 INFO L93 Difference]: Finished difference Result 3080 states and 4122 transitions. [2021-11-07 20:34:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:34:55,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2021-11-07 20:34:55,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:34:55,865 INFO L225 Difference]: With dead ends: 3080 [2021-11-07 20:34:55,866 INFO L226 Difference]: Without dead ends: 3076 [2021-11-07 20:34:55,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.42ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:34:55,868 INFO L933 BasicCegarLoop]: 2044 mSDtfsCounter, 2010 mSDsluCounter, 2022 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 4066 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.22ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.36ms IncrementalHoareTripleChecker+Time [2021-11-07 20:34:55,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2010 Valid, 4066 Invalid, 6 Unknown, 0 Unchecked, 6.22ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.36ms Time] [2021-11-07 20:34:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2021-11-07 20:34:56,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 3076. [2021-11-07 20:34:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 2736 states have (on average 1.269736842105263) internal successors, (3474), 2807 states have internal predecessors, (3474), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 246 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:34:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4118 transitions. [2021-11-07 20:34:56,158 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4118 transitions. Word has length 65 [2021-11-07 20:34:56,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:34:56,158 INFO L470 AbstractCegarLoop]: Abstraction has 3076 states and 4118 transitions. [2021-11-07 20:34:56,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 20:34:56,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4118 transitions. [2021-11-07 20:34:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-07 20:34:56,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:34:56,160 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] [2021-11-07 20:34:56,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 20:34:56,160 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:34:56,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:34:56,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1619041261, now seen corresponding path program 1 times [2021-11-07 20:34:56,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:34:56,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985566710] [2021-11-07 20:34:56,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:34:56,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:34:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:56,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-07 20:34:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:34:56,351 INFO 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 20:34:56,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:34:56,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985566710] [2021-11-07 20:34:56,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985566710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:34:56,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:34:56,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:34:56,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227090189] [2021-11-07 20:34:56,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:34:56,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:34:56,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:34:56,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:34:56,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:34:56,354 INFO L87 Difference]: Start difference. First operand 3076 states and 4118 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 1 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 20:34:57,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:35:02,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:02,264 INFO L93 Difference]: Finished difference Result 5272 states and 7269 transitions. [2021-11-07 20:35:02,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:35:02,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 1 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 69 [2021-11-07 20:35:02,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:02,276 INFO L225 Difference]: With dead ends: 5272 [2021-11-07 20:35:02,277 INFO L226 Difference]: Without dead ends: 3211 [2021-11-07 20:35:02,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 60.01ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:35:02,291 INFO L933 BasicCegarLoop]: 2072 mSDtfsCounter, 140 mSDsluCounter, 7409 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5110.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 9481 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.95ms SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5537.35ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:02,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 9481 Invalid, 996 Unknown, 0 Unchecked, 18.95ms Time], IncrementalHoareTripleChecker [139 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 5537.35ms Time] [2021-11-07 20:35:02,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3211 states. [2021-11-07 20:35:02,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3211 to 3088. [2021-11-07 20:35:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3088 states, 2748 states have (on average 1.2685589519650655) internal successors, (3486), 2813 states have internal predecessors, (3486), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 252 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:35:02,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 4130 transitions. [2021-11-07 20:35:02,633 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 4130 transitions. Word has length 69 [2021-11-07 20:35:02,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:02,634 INFO L470 AbstractCegarLoop]: Abstraction has 3088 states and 4130 transitions. [2021-11-07 20:35:02,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 1 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 20:35:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 4130 transitions. [2021-11-07 20:35:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-07 20:35:02,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:02,637 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] [2021-11-07 20:35:02,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-07 20:35:02,637 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:02,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:02,638 INFO L85 PathProgramCache]: Analyzing trace with hash -671109870, now seen corresponding path program 1 times [2021-11-07 20:35:02,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:02,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744591051] [2021-11-07 20:35:02,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:02,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:35:02,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:02,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744591051] [2021-11-07 20:35:02,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744591051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:02,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:02,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:35:02,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062199210] [2021-11-07 20:35:02,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:02,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:35:02,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:02,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:35:02,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:02,765 INFO L87 Difference]: Start difference. First operand 3088 states and 4130 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states 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 20:35:03,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:03,406 INFO L93 Difference]: Finished difference Result 7784 states and 10475 transitions. [2021-11-07 20:35:03,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:35:03,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-11-07 20:35:03,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:03,423 INFO L225 Difference]: With dead ends: 7784 [2021-11-07 20:35:03,423 INFO L226 Difference]: Without dead ends: 4783 [2021-11-07 20:35:03,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.30ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:35:03,436 INFO L933 BasicCegarLoop]: 2814 mSDtfsCounter, 4856 mSDsluCounter, 3920 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 200.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4856 SdHoareTripleChecker+Valid, 6734 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.42ms SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 233.75ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:03,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4856 Valid, 6734 Invalid, 282 Unknown, 0 Unchecked, 9.42ms Time], IncrementalHoareTripleChecker [186 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 233.75ms Time] [2021-11-07 20:35:03,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2021-11-07 20:35:03,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 3088. [2021-11-07 20:35:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3088 states, 2748 states have (on average 1.26783114992722) internal successors, (3484), 2813 states have internal predecessors, (3484), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 252 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:35:03,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 4128 transitions. [2021-11-07 20:35:03,715 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 4128 transitions. Word has length 66 [2021-11-07 20:35:03,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:03,715 INFO L470 AbstractCegarLoop]: Abstraction has 3088 states and 4128 transitions. [2021-11-07 20:35:03,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states 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 20:35:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 4128 transitions. [2021-11-07 20:35:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-07 20:35:03,717 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:03,717 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] [2021-11-07 20:35:03,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 20:35:03,717 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:03,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:03,717 INFO L85 PathProgramCache]: Analyzing trace with hash -671050288, now seen corresponding path program 1 times [2021-11-07 20:35:03,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:03,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243139598] [2021-11-07 20:35:03,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:03,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:35:03,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:03,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243139598] [2021-11-07 20:35:03,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243139598] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:03,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:03,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:35:03,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16898962] [2021-11-07 20:35:03,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:03,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:35:03,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:03,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:35:03,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:35:03,804 INFO L87 Difference]: Start difference. First operand 3088 states and 4128 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states 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 20:35:04,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:04,397 INFO L93 Difference]: Finished difference Result 4783 states and 6444 transitions. [2021-11-07 20:35:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:35:04,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-11-07 20:35:04,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:04,411 INFO L225 Difference]: With dead ends: 4783 [2021-11-07 20:35:04,411 INFO L226 Difference]: Without dead ends: 4781 [2021-11-07 20:35:04,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.21ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:04,414 INFO L933 BasicCegarLoop]: 2905 mSDtfsCounter, 2431 mSDsluCounter, 3932 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 137.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 6837 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.24ms SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 160.57ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:04,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2431 Valid, 6837 Invalid, 163 Unknown, 0 Unchecked, 7.24ms Time], IncrementalHoareTripleChecker [160 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 160.57ms Time] [2021-11-07 20:35:04,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2021-11-07 20:35:04,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 3086. [2021-11-07 20:35:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 2747 states have (on average 1.2672005824535857) internal successors, (3481), 2811 states have internal predecessors, (3481), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 252 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:35:04,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4125 transitions. [2021-11-07 20:35:04,696 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4125 transitions. Word has length 66 [2021-11-07 20:35:04,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:04,696 INFO L470 AbstractCegarLoop]: Abstraction has 3086 states and 4125 transitions. [2021-11-07 20:35:04,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states 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 20:35:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4125 transitions. [2021-11-07 20:35:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 20:35:04,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:04,698 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] [2021-11-07 20:35:04,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-07 20:35:04,699 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:04,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:04,699 INFO L85 PathProgramCache]: Analyzing trace with hash 366549970, now seen corresponding path program 1 times [2021-11-07 20:35:04,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:04,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235962241] [2021-11-07 20:35:04,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:04,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:04,779 INFO 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 20:35:04,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:04,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235962241] [2021-11-07 20:35:04,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235962241] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:04,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:04,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:35:04,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973033303] [2021-11-07 20:35:04,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:04,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:35:04,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:04,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:35:04,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:35:04,781 INFO L87 Difference]: Start difference. First operand 3086 states and 4125 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 20:35:05,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:05,094 INFO L93 Difference]: Finished difference Result 3086 states and 4125 transitions. [2021-11-07 20:35:05,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:35:05,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2021-11-07 20:35:05,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:05,145 INFO L225 Difference]: With dead ends: 3086 [2021-11-07 20:35:05,146 INFO L226 Difference]: Without dead ends: 3082 [2021-11-07 20:35:05,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.26ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:05,147 INFO L933 BasicCegarLoop]: 2037 mSDtfsCounter, 1993 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1993 SdHoareTripleChecker+Valid, 4060 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.45ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.95ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:05,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1993 Valid, 4060 Invalid, 6 Unknown, 0 Unchecked, 6.45ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.95ms Time] [2021-11-07 20:35:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2021-11-07 20:35:05,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 3082. [2021-11-07 20:35:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3082 states, 2745 states have (on average 1.2666666666666666) internal successors, (3477), 2807 states have internal predecessors, (3477), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 252 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:35:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 4121 transitions. [2021-11-07 20:35:05,411 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 4121 transitions. Word has length 67 [2021-11-07 20:35:05,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:05,412 INFO L470 AbstractCegarLoop]: Abstraction has 3082 states and 4121 transitions. [2021-11-07 20:35:05,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 20:35:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 4121 transitions. [2021-11-07 20:35:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 20:35:05,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:05,414 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:35:05,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 20:35:05,415 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:05,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:05,415 INFO L85 PathProgramCache]: Analyzing trace with hash -2032569340, now seen corresponding path program 1 times [2021-11-07 20:35:05,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:05,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454359035] [2021-11-07 20:35:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:05,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:05,518 INFO 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 20:35:05,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:05,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454359035] [2021-11-07 20:35:05,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454359035] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:05,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:05,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:35:05,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956590283] [2021-11-07 20:35:05,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:05,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:35:05,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:05,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:35:05,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:05,520 INFO L87 Difference]: Start difference. First operand 3082 states and 4121 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 20:35:06,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:06,269 INFO L93 Difference]: Finished difference Result 5920 states and 7934 transitions. [2021-11-07 20:35:06,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:35:06,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2021-11-07 20:35:06,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:06,285 INFO L225 Difference]: With dead ends: 5920 [2021-11-07 20:35:06,286 INFO L226 Difference]: Without dead ends: 3127 [2021-11-07 20:35:06,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.27ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:35:06,300 INFO L933 BasicCegarLoop]: 2088 mSDtfsCounter, 5393 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 366.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5393 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.79ms SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 440.86ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:06,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5393 Valid, 2188 Invalid, 703 Unknown, 0 Unchecked, 7.79ms Time], IncrementalHoareTripleChecker [697 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 440.86ms Time] [2021-11-07 20:35:06,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2021-11-07 20:35:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3078. [2021-11-07 20:35:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3078 states, 2742 states have (on average 1.2654996353026988) internal successors, (3470), 2803 states have internal predecessors, (3470), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 252 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:35:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 3078 states and 4114 transitions. [2021-11-07 20:35:06,594 INFO L78 Accepts]: Start accepts. Automaton has 3078 states and 4114 transitions. Word has length 67 [2021-11-07 20:35:06,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:06,594 INFO L470 AbstractCegarLoop]: Abstraction has 3078 states and 4114 transitions. [2021-11-07 20:35:06,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 20:35:06,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 4114 transitions. [2021-11-07 20:35:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-07 20:35:06,596 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:06,596 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] [2021-11-07 20:35:06,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-07 20:35:06,597 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:06,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:06,597 INFO L85 PathProgramCache]: Analyzing trace with hash 67427574, now seen corresponding path program 1 times [2021-11-07 20:35:06,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:06,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581541529] [2021-11-07 20:35:06,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:06,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:06,688 INFO 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 20:35:06,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:06,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581541529] [2021-11-07 20:35:06,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581541529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:06,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:06,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:35:06,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252500553] [2021-11-07 20:35:06,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:06,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:35:06,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:06,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:35:06,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:35:06,690 INFO L87 Difference]: Start difference. First operand 3078 states and 4114 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 20:35:06,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:06,990 INFO L93 Difference]: Finished difference Result 3078 states and 4114 transitions. [2021-11-07 20:35:06,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:35:06,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2021-11-07 20:35:06,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:06,997 INFO L225 Difference]: With dead ends: 3078 [2021-11-07 20:35:06,997 INFO L226 Difference]: Without dead ends: 3074 [2021-11-07 20:35:06,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:07,000 INFO L933 BasicCegarLoop]: 2029 mSDtfsCounter, 1975 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 4052 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.01ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.99ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:07,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1975 Valid, 4052 Invalid, 6 Unknown, 0 Unchecked, 5.01ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.99ms Time] [2021-11-07 20:35:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3074 states. [2021-11-07 20:35:07,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3074 to 3074. [2021-11-07 20:35:07,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3074 states, 2740 states have (on average 1.264963503649635) internal successors, (3466), 2799 states have internal predecessors, (3466), 224 states have call successors, (224), 27 states have call predecessors, (224), 36 states have return successors, (420), 252 states have call predecessors, (420), 224 states have call successors, (420) [2021-11-07 20:35:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 4110 transitions. [2021-11-07 20:35:07,286 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 4110 transitions. Word has length 69 [2021-11-07 20:35:07,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:07,287 INFO L470 AbstractCegarLoop]: Abstraction has 3074 states and 4110 transitions. [2021-11-07 20:35:07,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 20:35:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 4110 transitions. [2021-11-07 20:35:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 20:35:07,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:07,290 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 20:35:07,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-07 20:35:07,290 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:07,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:07,291 INFO L85 PathProgramCache]: Analyzing trace with hash 373614202, now seen corresponding path program 1 times [2021-11-07 20:35:07,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:07,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64025993] [2021-11-07 20:35:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:07,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:07,377 INFO 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 20:35:07,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:07,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64025993] [2021-11-07 20:35:07,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64025993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:07,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:07,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:35:07,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323605128] [2021-11-07 20:35:07,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:07,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:35:07,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:07,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:35:07,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:35:07,379 INFO L87 Difference]: Start difference. First operand 3074 states and 4110 transitions. Second operand has 4 states, 4 states have (on average 17.75) 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 20:35:07,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:07,981 INFO L93 Difference]: Finished difference Result 5979 states and 8403 transitions. [2021-11-07 20:35:07,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:35:07,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) 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 20:35:07,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:07,997 INFO L225 Difference]: With dead ends: 5979 [2021-11-07 20:35:07,997 INFO L226 Difference]: Without dead ends: 5888 [2021-11-07 20:35:08,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.88ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:08,001 INFO L933 BasicCegarLoop]: 3076 mSDtfsCounter, 1959 mSDsluCounter, 5064 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1959 SdHoareTripleChecker+Valid, 8140 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.56ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.12ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:08,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1959 Valid, 8140 Invalid, 19 Unknown, 0 Unchecked, 8.56ms Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 15.12ms Time] [2021-11-07 20:35:08,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5888 states. [2021-11-07 20:35:08,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5888 to 5744. [2021-11-07 20:35:08,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5744 states, 5152 states have (on average 1.2762034161490683) internal successors, (6575), 5195 states have internal predecessors, (6575), 446 states have call successors, (446), 54 states have call predecessors, (446), 72 states have return successors, (1212), 504 states have call predecessors, (1212), 446 states have call successors, (1212) [2021-11-07 20:35:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5744 states and 8233 transitions. [2021-11-07 20:35:08,622 INFO L78 Accepts]: Start accepts. Automaton has 5744 states and 8233 transitions. Word has length 71 [2021-11-07 20:35:08,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:08,623 INFO L470 AbstractCegarLoop]: Abstraction has 5744 states and 8233 transitions. [2021-11-07 20:35:08,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) 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 20:35:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 5744 states and 8233 transitions. [2021-11-07 20:35:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 20:35:08,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:08,626 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] [2021-11-07 20:35:08,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-07 20:35:08,626 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:08,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:08,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1639078494, now seen corresponding path program 1 times [2021-11-07 20:35:08,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:08,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181693376] [2021-11-07 20:35:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:08,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-07 20:35:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:08,863 INFO 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 20:35:08,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:08,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181693376] [2021-11-07 20:35:08,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181693376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:08,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:08,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:35:08,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335027322] [2021-11-07 20:35:08,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:08,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:35:08,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:08,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:35:08,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:35:08,865 INFO L87 Difference]: Start difference. First operand 5744 states and 8233 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-07 20:35:10,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:35:14,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:14,335 INFO L93 Difference]: Finished difference Result 11433 states and 17691 transitions. [2021-11-07 20:35:14,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 20:35:14,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 82 [2021-11-07 20:35:14,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:14,357 INFO L225 Difference]: With dead ends: 11433 [2021-11-07 20:35:14,357 INFO L226 Difference]: Without dead ends: 5858 [2021-11-07 20:35:14,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 119.30ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-07 20:35:14,391 INFO L933 BasicCegarLoop]: 2020 mSDtfsCounter, 93 mSDsluCounter, 7266 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4365.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 9286 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.28ms SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4773.39ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:14,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 9286 Invalid, 966 Unknown, 0 Unchecked, 22.28ms Time], IncrementalHoareTripleChecker [131 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 4773.39ms Time] [2021-11-07 20:35:14,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5858 states. [2021-11-07 20:35:14,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5858 to 5782. [2021-11-07 20:35:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5782 states, 5183 states have (on average 1.2751302334555277) internal successors, (6609), 5223 states have internal predecessors, (6609), 446 states have call successors, (446), 54 states have call predecessors, (446), 79 states have return successors, (1255), 514 states have call predecessors, (1255), 446 states have call successors, (1255) [2021-11-07 20:35:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5782 states to 5782 states and 8310 transitions. [2021-11-07 20:35:14,976 INFO L78 Accepts]: Start accepts. Automaton has 5782 states and 8310 transitions. Word has length 82 [2021-11-07 20:35:14,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:14,976 INFO L470 AbstractCegarLoop]: Abstraction has 5782 states and 8310 transitions. [2021-11-07 20:35:14,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-07 20:35:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 5782 states and 8310 transitions. [2021-11-07 20:35:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-07 20:35:14,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:14,979 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 20:35:14,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-07 20:35:14,980 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:14,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:14,981 INFO L85 PathProgramCache]: Analyzing trace with hash 520685166, now seen corresponding path program 1 times [2021-11-07 20:35:14,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:14,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757540299] [2021-11-07 20:35:14,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:14,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:15,099 INFO 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 20:35:15,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:15,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757540299] [2021-11-07 20:35:15,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757540299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:15,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:15,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:35:15,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196306697] [2021-11-07 20:35:15,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:15,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:35:15,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:15,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:35:15,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:35:15,102 INFO L87 Difference]: Start difference. First operand 5782 states and 8310 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 20:35:16,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:16,192 INFO L93 Difference]: Finished difference Result 8305 states and 12390 transitions. [2021-11-07 20:35:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:35:16,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2021-11-07 20:35:16,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:16,219 INFO L225 Difference]: With dead ends: 8305 [2021-11-07 20:35:16,219 INFO L226 Difference]: Without dead ends: 8271 [2021-11-07 20:35:16,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.58ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:16,224 INFO L933 BasicCegarLoop]: 2820 mSDtfsCounter, 2797 mSDsluCounter, 1921 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 266.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 4741 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.44ms SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 325.28ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:16,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2797 Valid, 4741 Invalid, 289 Unknown, 0 Unchecked, 7.44ms Time], IncrementalHoareTripleChecker [130 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 325.28ms Time] [2021-11-07 20:35:16,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8271 states. [2021-11-07 20:35:16,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8271 to 5748. [2021-11-07 20:35:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5748 states, 5166 states have (on average 1.2634533488192026) internal successors, (6527), 5189 states have internal predecessors, (6527), 446 states have call successors, (446), 54 states have call predecessors, (446), 79 states have return successors, (1255), 514 states have call predecessors, (1255), 446 states have call successors, (1255) [2021-11-07 20:35:16,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 8228 transitions. [2021-11-07 20:35:16,899 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 8228 transitions. Word has length 88 [2021-11-07 20:35:16,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:16,899 INFO L470 AbstractCegarLoop]: Abstraction has 5748 states and 8228 transitions. [2021-11-07 20:35:16,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 20:35:16,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 8228 transitions. [2021-11-07 20:35:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-07 20:35:16,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:16,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:35:16,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-07 20:35:16,904 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:16,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:16,905 INFO L85 PathProgramCache]: Analyzing trace with hash -2115046006, now seen corresponding path program 1 times [2021-11-07 20:35:16,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:16,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360878107] [2021-11-07 20:35:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:16,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:35:16,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:16,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360878107] [2021-11-07 20:35:16,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360878107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:16,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:16,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:35:16,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311222721] [2021-11-07 20:35:16,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:16,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:35:16,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:16,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:35:16,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:35:16,995 INFO L87 Difference]: Start difference. First operand 5748 states and 8228 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 20:35:18,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:35:19,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:19,684 INFO L93 Difference]: Finished difference Result 8811 states and 12908 transitions. [2021-11-07 20:35:19,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:35:19,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-11-07 20:35:19,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:19,713 INFO L225 Difference]: With dead ends: 8811 [2021-11-07 20:35:19,713 INFO L226 Difference]: Without dead ends: 8777 [2021-11-07 20:35:19,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.43ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:19,719 INFO L933 BasicCegarLoop]: 2936 mSDtfsCounter, 1243 mSDsluCounter, 4459 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1726.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 7395 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.43ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1895.19ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:19,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1317 Valid, 7395 Invalid, 244 Unknown, 0 Unchecked, 7.43ms Time], IncrementalHoareTripleChecker [54 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 1895.19ms Time] [2021-11-07 20:35:19,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8777 states. [2021-11-07 20:35:20,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8777 to 5714. [2021-11-07 20:35:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5714 states, 5149 states have (on average 1.251699359098854) internal successors, (6445), 5155 states have internal predecessors, (6445), 446 states have call successors, (446), 54 states have call predecessors, (446), 79 states have return successors, (1255), 514 states have call predecessors, (1255), 446 states have call successors, (1255) [2021-11-07 20:35:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5714 states to 5714 states and 8146 transitions. [2021-11-07 20:35:20,377 INFO L78 Accepts]: Start accepts. Automaton has 5714 states and 8146 transitions. Word has length 95 [2021-11-07 20:35:20,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:20,377 INFO L470 AbstractCegarLoop]: Abstraction has 5714 states and 8146 transitions. [2021-11-07 20:35:20,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 20:35:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5714 states and 8146 transitions. [2021-11-07 20:35:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-07 20:35:20,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:20,380 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 20:35:20,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-07 20:35:20,381 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting uss720_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:20,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:20,381 INFO L85 PathProgramCache]: Analyzing trace with hash 230320632, now seen corresponding path program 1 times [2021-11-07 20:35:20,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:20,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301371466] [2021-11-07 20:35:20,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:20,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:20,484 INFO 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 20:35:20,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:20,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301371466] [2021-11-07 20:35:20,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301371466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:20,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:20,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:35:20,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495074454] [2021-11-07 20:35:20,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:20,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:35:20,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:20,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:35:20,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:35:20,486 INFO L87 Difference]: Start difference. First operand 5714 states and 8146 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 20:35:21,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:21,120 INFO L93 Difference]: Finished difference Result 5738 states and 8178 transitions. [2021-11-07 20:35:21,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:35:21,120 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 20:35:21,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:21,134 INFO L225 Difference]: With dead ends: 5738 [2021-11-07 20:35:21,134 INFO L226 Difference]: Without dead ends: 5736 [2021-11-07 20:35:21,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.77ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:21,138 INFO L933 BasicCegarLoop]: 1924 mSDtfsCounter, 1633 mSDsluCounter, 2068 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 3992 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.08ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 137.40ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:21,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1633 Valid, 3992 Invalid, 185 Unknown, 0 Unchecked, 5.08ms Time], IncrementalHoareTripleChecker [25 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 137.40ms Time] [2021-11-07 20:35:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5736 states. [2021-11-07 20:35:21,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5736 to 5730. [2021-11-07 20:35:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5730 states, 5163 states have (on average 1.2508231648266512) internal successors, (6458), 5171 states have internal predecessors, (6458), 446 states have call successors, (446), 54 states have call predecessors, (446), 82 states have return successors, (1261), 514 states have call predecessors, (1261), 446 states have call successors, (1261) [2021-11-07 20:35:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5730 states to 5730 states and 8165 transitions. [2021-11-07 20:35:21,883 INFO L78 Accepts]: Start accepts. Automaton has 5730 states and 8165 transitions. Word has length 97 [2021-11-07 20:35:21,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:21,884 INFO L470 AbstractCegarLoop]: Abstraction has 5730 states and 8165 transitions. [2021-11-07 20:35:21,884 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 20:35:21,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5730 states and 8165 transitions. [2021-11-07 20:35:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-07 20:35:21,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:21,891 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] [2021-11-07 20:35:21,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-07 20:35:21,891 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting uss720_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:21,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:21,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1594754736, now seen corresponding path program 1 times [2021-11-07 20:35:21,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:21,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327394402] [2021-11-07 20:35:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:21,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:21,975 INFO 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 20:35:21,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:21,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327394402] [2021-11-07 20:35:21,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327394402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:21,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:21,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:35:21,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686039357] [2021-11-07 20:35:21,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:21,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:35:21,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:21,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:35:21,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:35:21,977 INFO L87 Difference]: Start difference. First operand 5730 states and 8165 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 20:35:23,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:23,604 INFO L93 Difference]: Finished difference Result 5736 states and 8173 transitions. [2021-11-07 20:35:23,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:35:23,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 104 [2021-11-07 20:35:23,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:23,617 INFO L225 Difference]: With dead ends: 5736 [2021-11-07 20:35:23,617 INFO L226 Difference]: Without dead ends: 5734 [2021-11-07 20:35:23,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.22ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:23,619 INFO L933 BasicCegarLoop]: 1922 mSDtfsCounter, 225 mSDsluCounter, 3572 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1010.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 5494 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.72ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1134.96ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:23,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 5494 Invalid, 183 Unknown, 0 Unchecked, 4.72ms Time], IncrementalHoareTripleChecker [22 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1134.96ms Time] [2021-11-07 20:35:23,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5734 states. [2021-11-07 20:35:24,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5734 to 5728. [2021-11-07 20:35:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5728 states, 5162 states have (on average 1.250096861681519) internal successors, (6453), 5169 states have internal predecessors, (6453), 446 states have call successors, (446), 54 states have call predecessors, (446), 82 states have return successors, (1261), 514 states have call predecessors, (1261), 446 states have call successors, (1261) [2021-11-07 20:35:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5728 states to 5728 states and 8160 transitions. [2021-11-07 20:35:24,230 INFO L78 Accepts]: Start accepts. Automaton has 5728 states and 8160 transitions. Word has length 104 [2021-11-07 20:35:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:24,230 INFO L470 AbstractCegarLoop]: Abstraction has 5728 states and 8160 transitions. [2021-11-07 20:35:24,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 20:35:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 5728 states and 8160 transitions. [2021-11-07 20:35:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-07 20:35:24,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:24,235 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 20:35:24,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-07 20:35:24,235 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:24,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:24,235 INFO L85 PathProgramCache]: Analyzing trace with hash -46434317, now seen corresponding path program 1 times [2021-11-07 20:35:24,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:24,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529106264] [2021-11-07 20:35:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:24,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:24,374 INFO 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 20:35:24,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:24,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529106264] [2021-11-07 20:35:24,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529106264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:24,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:24,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:35:24,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899409390] [2021-11-07 20:35:24,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:24,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:35:24,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:24,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:35:24,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:24,376 INFO L87 Difference]: Start difference. First operand 5728 states and 8160 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (6), 2 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:25,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:35:27,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:27,667 INFO L93 Difference]: Finished difference Result 8733 states and 12842 transitions. [2021-11-07 20:35:27,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:35:27,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (6), 2 states have call predecessors, (6), 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 20:35:27,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:27,707 INFO L225 Difference]: With dead ends: 8733 [2021-11-07 20:35:27,707 INFO L226 Difference]: Without dead ends: 8731 [2021-11-07 20:35:27,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.86ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:35:27,713 INFO L933 BasicCegarLoop]: 4103 mSDtfsCounter, 3735 mSDsluCounter, 8219 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2207.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3736 SdHoareTripleChecker+Valid, 12322 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.61ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2462.03ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:27,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3736 Valid, 12322 Invalid, 602 Unknown, 0 Unchecked, 28.61ms Time], IncrementalHoareTripleChecker [5 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 2462.03ms Time] [2021-11-07 20:35:27,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8731 states. [2021-11-07 20:35:28,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 8411. [2021-11-07 20:35:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8411 states, 7578 states have (on average 1.2545526524148851) internal successors, (9507), 7570 states have internal predecessors, (9507), 668 states have call successors, (668), 81 states have call predecessors, (668), 127 states have return successors, (2392), 774 states have call predecessors, (2392), 668 states have call successors, (2392) [2021-11-07 20:35:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8411 states to 8411 states and 12567 transitions. [2021-11-07 20:35:28,654 INFO L78 Accepts]: Start accepts. Automaton has 8411 states and 12567 transitions. Word has length 120 [2021-11-07 20:35:28,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:28,654 INFO L470 AbstractCegarLoop]: Abstraction has 8411 states and 12567 transitions. [2021-11-07 20:35:28,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (6), 2 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:28,655 INFO L276 IsEmpty]: Start isEmpty. Operand 8411 states and 12567 transitions. [2021-11-07 20:35:28,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-07 20:35:28,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:28,658 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 20:35:28,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-07 20:35:28,659 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:28,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:28,659 INFO L85 PathProgramCache]: Analyzing trace with hash 780796894, now seen corresponding path program 1 times [2021-11-07 20:35:28,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:28,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285366107] [2021-11-07 20:35:28,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:28,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:28,839 INFO 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 20:35:28,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:28,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285366107] [2021-11-07 20:35:28,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285366107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:28,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:28,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 20:35:28,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421025591] [2021-11-07 20:35:28,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:28,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 20:35:28,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:28,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 20:35:28,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-07 20:35:28,840 INFO L87 Difference]: Start difference. First operand 8411 states and 12567 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 2 states have call successors, (5), 2 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:29,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:29,959 INFO L93 Difference]: Finished difference Result 16675 states and 27234 transitions. [2021-11-07 20:35:29,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 20:35:29,960 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 2 states have call successors, (5), 2 states have call predecessors, (5), 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 20:35:29,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:29,997 INFO L225 Difference]: With dead ends: 16675 [2021-11-07 20:35:29,999 INFO L226 Difference]: Without dead ends: 8429 [2021-11-07 20:35:30,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 93.69ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-07 20:35:30,087 INFO L933 BasicCegarLoop]: 1976 mSDtfsCounter, 27 mSDsluCounter, 11843 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 13819 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.23ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:30,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 13819 Invalid, 48 Unknown, 0 Unchecked, 9.21ms Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 109.23ms Time] [2021-11-07 20:35:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8429 states. [2021-11-07 20:35:31,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8417. [2021-11-07 20:35:31,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8417 states, 7584 states have (on average 1.253691983122363) internal successors, (9508), 7576 states have internal predecessors, (9508), 668 states have call successors, (668), 81 states have call predecessors, (668), 127 states have return successors, (2392), 774 states have call predecessors, (2392), 668 states have call successors, (2392) [2021-11-07 20:35:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8417 states to 8417 states and 12568 transitions. [2021-11-07 20:35:31,129 INFO L78 Accepts]: Start accepts. Automaton has 8417 states and 12568 transitions. Word has length 119 [2021-11-07 20:35:31,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:31,130 INFO L470 AbstractCegarLoop]: Abstraction has 8417 states and 12568 transitions. [2021-11-07 20:35:31,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 2 states have call successors, (5), 2 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:31,132 INFO L276 IsEmpty]: Start isEmpty. Operand 8417 states and 12568 transitions. [2021-11-07 20:35:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-07 20:35:31,136 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:31,137 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 20:35:31,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-07 20:35:31,137 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:31,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:31,138 INFO L85 PathProgramCache]: Analyzing trace with hash 916141842, now seen corresponding path program 1 times [2021-11-07 20:35:31,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:31,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855912808] [2021-11-07 20:35:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:31,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:31,250 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:35:31,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1339710584] [2021-11-07 20:35:31,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:31,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:35:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:35:31,258 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 20:35:31,259 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 20:35:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:31,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2224 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-07 20:35:31,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:35:32,257 INFO 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 20:35:32,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:35:32,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:32,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855912808] [2021-11-07 20:35:32,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:35:32,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339710584] [2021-11-07 20:35:32,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339710584] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:32,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:32,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 20:35:32,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779191] [2021-11-07 20:35:32,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:32,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:35:32,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:32,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:35:32,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:35:32,260 INFO L87 Difference]: Start difference. First operand 8417 states and 12568 transitions. Second operand has 7 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:33,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:33,568 INFO L93 Difference]: Finished difference Result 16855 states and 27284 transitions. [2021-11-07 20:35:33,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 20:35:33,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (5), 4 states have call predecessors, (5), 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 20:35:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:33,613 INFO L225 Difference]: With dead ends: 16855 [2021-11-07 20:35:33,613 INFO L226 Difference]: Without dead ends: 8603 [2021-11-07 20:35:33,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 46.65ms TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-07 20:35:33,692 INFO L933 BasicCegarLoop]: 1913 mSDtfsCounter, 28 mSDsluCounter, 9508 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 298.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 11421 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.59ms SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 355.00ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:33,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 11421 Invalid, 390 Unknown, 0 Unchecked, 12.59ms Time], IncrementalHoareTripleChecker [53 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 355.00ms Time] [2021-11-07 20:35:33,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8603 states. [2021-11-07 20:35:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8603 to 8585. [2021-11-07 20:35:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8585 states, 7722 states have (on average 1.2514892514892515) internal successors, (9664), 7708 states have internal predecessors, (9664), 680 states have call successors, (680), 99 states have call predecessors, (680), 145 states have return successors, (2452), 792 states have call predecessors, (2452), 680 states have call successors, (2452) [2021-11-07 20:35:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8585 states to 8585 states and 12796 transitions. [2021-11-07 20:35:34,904 INFO L78 Accepts]: Start accepts. Automaton has 8585 states and 12796 transitions. Word has length 125 [2021-11-07 20:35:34,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:34,905 INFO L470 AbstractCegarLoop]: Abstraction has 8585 states and 12796 transitions. [2021-11-07 20:35:34,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:34,905 INFO L276 IsEmpty]: Start isEmpty. Operand 8585 states and 12796 transitions. [2021-11-07 20:35:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-07 20:35:34,909 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:34,910 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] [2021-11-07 20:35:34,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 20:35:35,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:35:35,134 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting submit_async_requestErr6ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:35,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:35,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1194060150, now seen corresponding path program 1 times [2021-11-07 20:35:35,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:35,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032456633] [2021-11-07 20:35:35,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:35,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:35,171 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:35:35,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [149639849] [2021-11-07 20:35:35,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:35,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:35:35,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:35:35,173 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 20:35:35,174 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 20:35:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:35,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 2132 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 20:35:35,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:35:36,060 INFO 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 20:35:36,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:35:36,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:36,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032456633] [2021-11-07 20:35:36,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:35:36,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149639849] [2021-11-07 20:35:36,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149639849] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:36,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:36,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:35:36,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463899322] [2021-11-07 20:35:36,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:36,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:35:36,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:36,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:35:36,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:35:36,062 INFO L87 Difference]: Start difference. First operand 8585 states and 12796 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 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 20:35:36,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:36,984 INFO L93 Difference]: Finished difference Result 8597 states and 13162 transitions. [2021-11-07 20:35:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:35:36,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 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 122 [2021-11-07 20:35:36,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:37,012 INFO L225 Difference]: With dead ends: 8597 [2021-11-07 20:35:37,012 INFO L226 Difference]: Without dead ends: 8595 [2021-11-07 20:35:37,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.06ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:37,020 INFO L933 BasicCegarLoop]: 1933 mSDtfsCounter, 1623 mSDsluCounter, 2058 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 3991 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.45ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 143.26ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:37,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1623 Valid, 3991 Invalid, 185 Unknown, 0 Unchecked, 5.45ms Time], IncrementalHoareTripleChecker [25 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 143.26ms Time] [2021-11-07 20:35:37,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8595 states. [2021-11-07 20:35:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8595 to 8583. [2021-11-07 20:35:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8583 states, 7721 states have (on average 1.2507447221862453) internal successors, (9657), 7706 states have internal predecessors, (9657), 680 states have call successors, (680), 99 states have call predecessors, (680), 145 states have return successors, (2452), 792 states have call predecessors, (2452), 680 states have call successors, (2452) [2021-11-07 20:35:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8583 states to 8583 states and 12789 transitions. [2021-11-07 20:35:38,057 INFO L78 Accepts]: Start accepts. Automaton has 8583 states and 12789 transitions. Word has length 122 [2021-11-07 20:35:38,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:38,057 INFO L470 AbstractCegarLoop]: Abstraction has 8583 states and 12789 transitions. [2021-11-07 20:35:38,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 3 states have internal predecessors, (120), 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 20:35:38,058 INFO L276 IsEmpty]: Start isEmpty. Operand 8583 states and 12789 transitions. [2021-11-07 20:35:38,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-07 20:35:38,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:38,062 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] [2021-11-07 20:35:38,086 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 20:35:38,275 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,SelfDestructingSolverStorable42 [2021-11-07 20:35:38,275 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:38,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:38,276 INFO L85 PathProgramCache]: Analyzing trace with hash -393854719, now seen corresponding path program 1 times [2021-11-07 20:35:38,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:38,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789208543] [2021-11-07 20:35:38,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:38,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:38,309 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:35:38,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786866877] [2021-11-07 20:35:38,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:38,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:35:38,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:35:38,310 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 20:35:38,314 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 20:35:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:38,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-07 20:35:38,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:35:39,361 INFO 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 20:35:39,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:35:39,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:39,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789208543] [2021-11-07 20:35:39,362 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:35:39,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786866877] [2021-11-07 20:35:39,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786866877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:39,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:39,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-07 20:35:39,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160370918] [2021-11-07 20:35:39,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:39,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 20:35:39,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:39,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 20:35:39,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-11-07 20:35:39,366 INFO L87 Difference]: Start difference. First operand 8583 states and 12789 transitions. Second operand has 16 states, 16 states have (on average 7.5) internal successors, (120), 16 states have internal predecessors, (120), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:40,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:40,797 INFO L93 Difference]: Finished difference Result 17175 states and 25587 transitions. [2021-11-07 20:35:40,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 20:35:40,797 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 16 states have internal predecessors, (120), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-11-07 20:35:40,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:40,829 INFO L225 Difference]: With dead ends: 17175 [2021-11-07 20:35:40,830 INFO L226 Difference]: Without dead ends: 8583 [2021-11-07 20:35:40,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 325.62ms TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2021-11-07 20:35:40,867 INFO L933 BasicCegarLoop]: 1943 mSDtfsCounter, 121 mSDsluCounter, 27157 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 29100 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.90ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 167.40ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:40,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 29100 Invalid, 300 Unknown, 0 Unchecked, 17.90ms Time], IncrementalHoareTripleChecker [16 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 167.40ms Time] [2021-11-07 20:35:40,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8583 states. [2021-11-07 20:35:41,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8583 to 8583. [2021-11-07 20:35:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8583 states, 7721 states have (on average 1.2506152052842896) internal successors, (9656), 7706 states have internal predecessors, (9656), 680 states have call successors, (680), 99 states have call predecessors, (680), 145 states have return successors, (2452), 792 states have call predecessors, (2452), 680 states have call successors, (2452) [2021-11-07 20:35:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8583 states to 8583 states and 12788 transitions. [2021-11-07 20:35:41,777 INFO L78 Accepts]: Start accepts. Automaton has 8583 states and 12788 transitions. Word has length 126 [2021-11-07 20:35:41,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:41,778 INFO L470 AbstractCegarLoop]: Abstraction has 8583 states and 12788 transitions. [2021-11-07 20:35:41,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 16 states have internal predecessors, (120), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 8583 states and 12788 transitions. [2021-11-07 20:35:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-07 20:35:41,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:41,782 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] [2021-11-07 20:35:41,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 20:35:41,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:35:41,996 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:41,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:41,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1486489921, now seen corresponding path program 1 times [2021-11-07 20:35:41,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:41,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709972333] [2021-11-07 20:35:41,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:41,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:42,131 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 20:35:42,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:42,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709972333] [2021-11-07 20:35:42,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709972333] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:42,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:42,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 20:35:42,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385195381] [2021-11-07 20:35:42,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:42,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:35:42,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:42,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:35:42,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:35:42,133 INFO L87 Difference]: Start difference. First operand 8583 states and 12788 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:43,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:43,315 INFO L93 Difference]: Finished difference Result 14929 states and 22309 transitions. [2021-11-07 20:35:43,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:35:43,316 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-11-07 20:35:43,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:43,348 INFO L225 Difference]: With dead ends: 14929 [2021-11-07 20:35:43,349 INFO L226 Difference]: Without dead ends: 8583 [2021-11-07 20:35:43,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.78ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-07 20:35:43,382 INFO L933 BasicCegarLoop]: 1948 mSDtfsCounter, 4472 mSDsluCounter, 4963 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 178.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4472 SdHoareTripleChecker+Valid, 6911 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.33ms SdHoareTripleChecker+Time, 323 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 210.37ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:43,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4472 Valid, 6911 Invalid, 351 Unknown, 0 Unchecked, 8.33ms Time], IncrementalHoareTripleChecker [323 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 210.37ms Time] [2021-11-07 20:35:43,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8583 states. [2021-11-07 20:35:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8583 to 8583. [2021-11-07 20:35:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8583 states, 7721 states have (on average 1.2498381038725555) internal successors, (9650), 7706 states have internal predecessors, (9650), 680 states have call successors, (680), 99 states have call predecessors, (680), 145 states have return successors, (2452), 792 states have call predecessors, (2452), 680 states have call successors, (2452) [2021-11-07 20:35:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8583 states to 8583 states and 12782 transitions. [2021-11-07 20:35:44,281 INFO L78 Accepts]: Start accepts. Automaton has 8583 states and 12782 transitions. Word has length 126 [2021-11-07 20:35:44,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:44,281 INFO L470 AbstractCegarLoop]: Abstraction has 8583 states and 12782 transitions. [2021-11-07 20:35:44,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:44,281 INFO L276 IsEmpty]: Start isEmpty. Operand 8583 states and 12782 transitions. [2021-11-07 20:35:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-07 20:35:44,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:44,285 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] [2021-11-07 20:35:44,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-07 20:35:44,286 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:44,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:44,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1015133571, now seen corresponding path program 1 times [2021-11-07 20:35:44,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:44,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775461336] [2021-11-07 20:35:44,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:44,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:44,318 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:35:44,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579737729] [2021-11-07 20:35:44,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:44,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:35:44,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:35:44,335 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 20:35:44,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 20:35:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:44,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 20:35:44,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:35:45,126 INFO 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 20:35:45,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:35:45,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:45,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775461336] [2021-11-07 20:35:45,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:35:45,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579737729] [2021-11-07 20:35:45,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579737729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:45,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:45,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:35:45,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113325417] [2021-11-07 20:35:45,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:45,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:35:45,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:45,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:35:45,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:35:45,128 INFO L87 Difference]: Start difference. First operand 8583 states and 12782 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:46,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:46,541 INFO L93 Difference]: Finished difference Result 14741 states and 22106 transitions. [2021-11-07 20:35:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:35:46,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-11-07 20:35:46,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:46,587 INFO L225 Difference]: With dead ends: 14741 [2021-11-07 20:35:46,588 INFO L226 Difference]: Without dead ends: 8581 [2021-11-07 20:35:46,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.59ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:35:46,627 INFO L933 BasicCegarLoop]: 1951 mSDtfsCounter, 2412 mSDsluCounter, 3169 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 211.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.60ms SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 251.58ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:46,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2412 Valid, 5120 Invalid, 284 Unknown, 0 Unchecked, 26.60ms Time], IncrementalHoareTripleChecker [160 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 251.58ms Time] [2021-11-07 20:35:46,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8581 states. [2021-11-07 20:35:47,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8581 to 8581. [2021-11-07 20:35:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8581 states, 7719 states have (on average 1.2497732866951679) internal successors, (9647), 7704 states have internal predecessors, (9647), 680 states have call successors, (680), 99 states have call predecessors, (680), 145 states have return successors, (2452), 792 states have call predecessors, (2452), 680 states have call successors, (2452) [2021-11-07 20:35:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8581 states to 8581 states and 12779 transitions. [2021-11-07 20:35:47,591 INFO L78 Accepts]: Start accepts. Automaton has 8581 states and 12779 transitions. Word has length 126 [2021-11-07 20:35:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:47,591 INFO L470 AbstractCegarLoop]: Abstraction has 8581 states and 12779 transitions. [2021-11-07 20:35:47,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 8581 states and 12779 transitions. [2021-11-07 20:35:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-07 20:35:47,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:47,593 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 20:35:47,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 20:35:47,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:35:47,796 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:47,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:47,797 INFO L85 PathProgramCache]: Analyzing trace with hash -685131123, now seen corresponding path program 1 times [2021-11-07 20:35:47,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:47,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544262887] [2021-11-07 20:35:47,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:47,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:47,969 INFO 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 20:35:47,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:47,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544262887] [2021-11-07 20:35:47,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544262887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:47,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:47,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 20:35:47,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167075944] [2021-11-07 20:35:47,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:47,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:35:47,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:47,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:35:47,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:35:47,971 INFO L87 Difference]: Start difference. First operand 8581 states and 12779 transitions. Second operand has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:48,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:48,805 INFO L93 Difference]: Finished difference Result 12730 states and 19768 transitions. [2021-11-07 20:35:48,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:35:48,806 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 4 states have call successors, (4), 4 states have call predecessors, (4), 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 20:35:48,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:48,824 INFO L225 Difference]: With dead ends: 12730 [2021-11-07 20:35:48,825 INFO L226 Difference]: Without dead ends: 4312 [2021-11-07 20:35:48,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.33ms TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-07 20:35:48,880 INFO L933 BasicCegarLoop]: 1881 mSDtfsCounter, 42 mSDsluCounter, 9342 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 11223 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.84ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 207.89ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:48,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 11223 Invalid, 135 Unknown, 0 Unchecked, 6.84ms Time], IncrementalHoareTripleChecker [12 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 207.89ms Time] [2021-11-07 20:35:48,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2021-11-07 20:35:49,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 4300. [2021-11-07 20:35:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4300 states, 3890 states have (on average 1.2375321336760925) internal successors, (4814), 3877 states have internal predecessors, (4814), 317 states have call successors, (317), 45 states have call predecessors, (317), 60 states have return successors, (730), 380 states have call predecessors, (730), 317 states have call successors, (730) [2021-11-07 20:35:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 4300 states and 5861 transitions. [2021-11-07 20:35:49,352 INFO L78 Accepts]: Start accepts. Automaton has 4300 states and 5861 transitions. Word has length 128 [2021-11-07 20:35:49,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:49,352 INFO L470 AbstractCegarLoop]: Abstraction has 4300 states and 5861 transitions. [2021-11-07 20:35:49,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 5 states have internal predecessors, (124), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:35:49,353 INFO L276 IsEmpty]: Start isEmpty. Operand 4300 states and 5861 transitions. [2021-11-07 20:35:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-07 20:35:49,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:49,354 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] [2021-11-07 20:35:49,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-07 20:35:49,354 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:49,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:49,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1591477764, now seen corresponding path program 1 times [2021-11-07 20:35:49,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:49,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750784481] [2021-11-07 20:35:49,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:49,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:35:49,546 INFO 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 20:35:49,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:35:49,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750784481] [2021-11-07 20:35:49,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750784481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:35:49,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:35:49,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 20:35:49,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529241619] [2021-11-07 20:35:49,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:35:49,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 20:35:49,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:35:49,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 20:35:49,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-07 20:35:49,547 INFO L87 Difference]: Start difference. First operand 4300 states and 5861 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 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 20:35:50,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:35:50,594 INFO L93 Difference]: Finished difference Result 10845 states and 14960 transitions. [2021-11-07 20:35:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 20:35:50,595 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 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 127 [2021-11-07 20:35:50,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:35:50,625 INFO L225 Difference]: With dead ends: 10845 [2021-11-07 20:35:50,625 INFO L226 Difference]: Without dead ends: 6675 [2021-11-07 20:35:50,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 117.23ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-07 20:35:50,647 INFO L933 BasicCegarLoop]: 2902 mSDtfsCounter, 6147 mSDsluCounter, 11695 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 203.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6147 SdHoareTripleChecker+Valid, 14597 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.56ms SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 240.40ms IncrementalHoareTripleChecker+Time [2021-11-07 20:35:50,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6147 Valid, 14597 Invalid, 478 Unknown, 0 Unchecked, 12.56ms Time], IncrementalHoareTripleChecker [438 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 240.40ms Time] [2021-11-07 20:35:50,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6675 states. [2021-11-07 20:35:51,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6675 to 4312. [2021-11-07 20:35:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4312 states, 3902 states have (on average 1.2368016401845208) internal successors, (4826), 3889 states have internal predecessors, (4826), 317 states have call successors, (317), 45 states have call predecessors, (317), 60 states have return successors, (730), 380 states have call predecessors, (730), 317 states have call successors, (730) [2021-11-07 20:35:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 5873 transitions. [2021-11-07 20:35:51,249 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 5873 transitions. Word has length 127 [2021-11-07 20:35:51,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:35:51,249 INFO L470 AbstractCegarLoop]: Abstraction has 4312 states and 5873 transitions. [2021-11-07 20:35:51,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 8 states have internal predecessors, (124), 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 20:35:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 5873 transitions. [2021-11-07 20:35:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-07 20:35:51,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:35:51,251 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, 1, 1] [2021-11-07 20:35:51,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-07 20:35:51,252 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:35:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:35:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1433478832, now seen corresponding path program 1 times [2021-11-07 20:35:51,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:35:51,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376042317] [2021-11-07 20:35:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:51,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:35:51,288 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:35:51,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [459745197] [2021-11-07 20:35:51,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:35:51,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:35:51,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:35:51,308 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:35:51,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 20:36:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:36:39,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 2464 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-07 20:36:39,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:36:40,259 INFO 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 20:36:40,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:36:40,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:36:40,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376042317] [2021-11-07 20:36:40,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:36:40,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459745197] [2021-11-07 20:36:40,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459745197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:36:40,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:36:40,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 20:36:40,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159265953] [2021-11-07 20:36:40,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:36:40,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:36:40,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:36:40,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:36:40,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:36:40,261 INFO L87 Difference]: Start difference. First operand 4312 states and 5873 transitions. Second operand has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 5 states have internal predecessors, (130), 3 states have call successors, (3), 3 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 20:36:40,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:36:40,934 INFO L93 Difference]: Finished difference Result 8479 states and 12168 transitions. [2021-11-07 20:36:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 20:36:40,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 5 states have internal predecessors, (130), 3 states have call successors, (3), 3 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 133 [2021-11-07 20:36:40,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:36:40,955 INFO L225 Difference]: With dead ends: 8479 [2021-11-07 20:36:40,955 INFO L226 Difference]: Without dead ends: 4342 [2021-11-07 20:36:40,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 58.91ms TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-07 20:36:40,984 INFO L933 BasicCegarLoop]: 1889 mSDtfsCounter, 41 mSDsluCounter, 9407 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 11296 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.05ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.70ms IncrementalHoareTripleChecker+Time [2021-11-07 20:36:40,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 11296 Invalid, 94 Unknown, 0 Unchecked, 9.05ms Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 102.70ms Time] [2021-11-07 20:36:40,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2021-11-07 20:36:41,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 4312. [2021-11-07 20:36:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4312 states, 3902 states have (on average 1.2360328036904151) internal successors, (4823), 3889 states have internal predecessors, (4823), 317 states have call successors, (317), 45 states have call predecessors, (317), 60 states have return successors, (730), 380 states have call predecessors, (730), 317 states have call successors, (730) [2021-11-07 20:36:41,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 5870 transitions. [2021-11-07 20:36:41,496 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 5870 transitions. Word has length 133 [2021-11-07 20:36:41,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:36:41,496 INFO L470 AbstractCegarLoop]: Abstraction has 4312 states and 5870 transitions. [2021-11-07 20:36:41,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 5 states have internal predecessors, (130), 3 states have call successors, (3), 3 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 20:36:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 5870 transitions. [2021-11-07 20:36:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-07 20:36:41,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:36:41,498 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, 1, 1] [2021-11-07 20:36:41,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 20:36:41,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-11-07 20:36:41,703 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:36:41,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:36:41,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1042286893, now seen corresponding path program 1 times [2021-11-07 20:36:41,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:36:41,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328888054] [2021-11-07 20:36:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:36:41,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:36:41,779 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:36:41,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1009591927] [2021-11-07 20:36:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:36:41,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:36:41,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:36:41,781 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:36:41,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 20:36:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:36:49,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 2453 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-07 20:36:49,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:36:49,606 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-07 20:36:49,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2021-11-07 20:36:49,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:36:49,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 23 [2021-11-07 20:36:49,781 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-07 20:36:49,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 16 [2021-11-07 20:36:49,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 20:36:49,788 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 20:36:49,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 10 [2021-11-07 20:36:49,860 INFO 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 20:36:49,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:36:49,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:36:49,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328888054] [2021-11-07 20:36:49,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:36:49,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009591927] [2021-11-07 20:36:49,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009591927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:36:49,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:36:49,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:36:49,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502903354] [2021-11-07 20:36:49,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:36:49,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:36:49,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:36:49,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:36:49,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:36:49,862 INFO L87 Difference]: Start difference. First operand 4312 states and 5870 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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 20:36:52,974 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 20:36:57,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:36:57,752 INFO L93 Difference]: Finished difference Result 8104 states and 11041 transitions. [2021-11-07 20:36:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:36:57,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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 133 [2021-11-07 20:36:57,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:36:57,772 INFO L225 Difference]: With dead ends: 8104 [2021-11-07 20:36:57,772 INFO L226 Difference]: Without dead ends: 4315 [2021-11-07 20:36:57,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.60ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:36:57,790 INFO L933 BasicCegarLoop]: 1886 mSDtfsCounter, 42 mSDsluCounter, 5037 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6649.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 6923 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.05ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7180.86ms IncrementalHoareTripleChecker+Time [2021-11-07 20:36:57,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 6923 Invalid, 601 Unknown, 0 Unchecked, 17.05ms Time], IncrementalHoareTripleChecker [2 Valid, 598 Invalid, 1 Unknown, 0 Unchecked, 7180.86ms Time] [2021-11-07 20:36:57,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2021-11-07 20:36:58,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 4313. [2021-11-07 20:36:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4313 states, 3903 states have (on average 1.2359723289777094) internal successors, (4824), 3890 states have internal predecessors, (4824), 317 states have call successors, (317), 45 states have call predecessors, (317), 60 states have return successors, (730), 380 states have call predecessors, (730), 317 states have call successors, (730) [2021-11-07 20:36:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4313 states to 4313 states and 5871 transitions. [2021-11-07 20:36:58,310 INFO L78 Accepts]: Start accepts. Automaton has 4313 states and 5871 transitions. Word has length 133 [2021-11-07 20:36:58,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:36:58,310 INFO L470 AbstractCegarLoop]: Abstraction has 4313 states and 5871 transitions. [2021-11-07 20:36:58,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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 20:36:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4313 states and 5871 transitions. [2021-11-07 20:36:58,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-07 20:36:58,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:36:58,313 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, 1, 1, 1, 1, 1] [2021-11-07 20:36:58,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 20:36:58,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-11-07 20:36:58,528 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:36:58,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:36:58,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1866879769, now seen corresponding path program 1 times [2021-11-07 20:36:58,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:36:58,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97622572] [2021-11-07 20:36:58,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:36:58,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:36:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:36:59,215 INFO 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 20:36:59,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:36:59,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97622572] [2021-11-07 20:36:59,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97622572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:36:59,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:36:59,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-07 20:36:59,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066673516] [2021-11-07 20:36:59,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:36:59,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 20:36:59,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:36:59,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 20:36:59,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-07 20:36:59,216 INFO L87 Difference]: Start difference. First operand 4313 states and 5871 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:37:00,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:37:00,434 INFO L93 Difference]: Finished difference Result 9683 states and 13382 transitions. [2021-11-07 20:37:00,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 20:37:00,434 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2021-11-07 20:37:00,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:37:00,458 INFO L225 Difference]: With dead ends: 9683 [2021-11-07 20:37:00,458 INFO L226 Difference]: Without dead ends: 5920 [2021-11-07 20:37:00,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 133.69ms TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2021-11-07 20:37:00,471 INFO L933 BasicCegarLoop]: 2223 mSDtfsCounter, 3950 mSDsluCounter, 17954 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 253.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3950 SdHoareTripleChecker+Valid, 20177 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.09ms SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 302.83ms IncrementalHoareTripleChecker+Time [2021-11-07 20:37:00,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3950 Valid, 20177 Invalid, 534 Unknown, 0 Unchecked, 14.09ms Time], IncrementalHoareTripleChecker [333 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 302.83ms Time] [2021-11-07 20:37:00,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5920 states. [2021-11-07 20:37:00,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5920 to 4329. [2021-11-07 20:37:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4329 states, 3919 states have (on average 1.2350089308497065) internal successors, (4840), 3906 states have internal predecessors, (4840), 317 states have call successors, (317), 45 states have call predecessors, (317), 60 states have return successors, (730), 380 states have call predecessors, (730), 317 states have call successors, (730) [2021-11-07 20:37:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 4329 states and 5887 transitions. [2021-11-07 20:37:00,982 INFO L78 Accepts]: Start accepts. Automaton has 4329 states and 5887 transitions. Word has length 136 [2021-11-07 20:37:00,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:37:00,983 INFO L470 AbstractCegarLoop]: Abstraction has 4329 states and 5887 transitions. [2021-11-07 20:37:00,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:37:00,983 INFO L276 IsEmpty]: Start isEmpty. Operand 4329 states and 5887 transitions. [2021-11-07 20:37:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-07 20:37:00,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:37:00,984 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, 1, 1, 1, 1, 1] [2021-11-07 20:37:00,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-07 20:37:00,985 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr1ASSERT_VIOLATIONERROR_FUNCTION, change_modeErr2ASSERT_VIOLATIONERROR_FUNCTION (and 125 more)] === [2021-11-07 20:37:00,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:37:00,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1940917469, now seen corresponding path program 1 times [2021-11-07 20:37:00,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:37:00,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034966377] [2021-11-07 20:37:00,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:37:00,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:37:01,018 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:37:01,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1187147168] [2021-11-07 20:37:01,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:37:01,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:37:01,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:37:01,020 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:37:01,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 20:43:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 20:43:28,202 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. Killed by 15