./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--yurex.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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--yurex.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 1df63cbd0336246e03c8a08fdd7cd62b20ae4ea405c1b7aaed1bb78f9f0fa189 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-03 04:28:51,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:28:51,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:28:51,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:28:51,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:28:51,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:28:51,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:28:51,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:28:51,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:28:51,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:28:51,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:28:51,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:28:51,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:28:51,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:28:51,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:28:51,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:28:51,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:28:51,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:28:51,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:28:51,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:28:51,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:28:51,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:28:51,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:28:51,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:28:51,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:28:51,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:28:51,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:28:51,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:28:51,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:28:51,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:28:51,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:28:51,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:28:51,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:28:51,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:28:51,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:28:51,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:28:51,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:28:51,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:28:51,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:28:51,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:28:51,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:28:51,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-03 04:28:51,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:28:51,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:28:51,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 04:28:51,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 04:28:51,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 04:28:51,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 04:28:51,957 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 04:28:51,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:28:51,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:28:51,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:28:51,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:28:51,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:28:51,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:28:51,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:28:51,959 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:28:51,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:28:51,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:28:51,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:28:51,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:28:51,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:28:51,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:28:51,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:28:51,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:28:51,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-03 04:28:51,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:28:51,960 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 04:28:51,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 04:28:51,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:28:51,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:28:51,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df63cbd0336246e03c8a08fdd7cd62b20ae4ea405c1b7aaed1bb78f9f0fa189 [2021-11-03 04:28:52,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:28:52,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:28:52,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:28:52,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:28:52,175 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:28:52,176 INFO L432 ainManager$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--yurex.ko.cil.i [2021-11-03 04:28:52,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ad6725f/526bb58437214018846639fbab8aef41/FLAGd7d065751 [2021-11-03 04:28:52,824 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:28:52,825 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--yurex.ko.cil.i [2021-11-03 04:28:52,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ad6725f/526bb58437214018846639fbab8aef41/FLAGd7d065751 [2021-11-03 04:28:53,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ad6725f/526bb58437214018846639fbab8aef41 [2021-11-03 04:28:53,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:28:53,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:28:53,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:28:53,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:28:53,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:28:53,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:28:53" (1/1) ... [2021-11-03 04:28:53,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e2bb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:53, skipping insertion in model container [2021-11-03 04:28:53,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:28:53" (1/1) ... [2021-11-03 04:28:53,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:28:53,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:28:54,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[259112,259125] [2021-11-03 04:28:54,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[259257,259270] [2021-11-03 04:28:54,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[259403,259416] [2021-11-03 04:28:54,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[259568,259581] [2021-11-03 04:28:54,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[259726,259739] [2021-11-03 04:28:54,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[259884,259897] [2021-11-03 04:28:54,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260042,260055] [2021-11-03 04:28:54,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260202,260215] [2021-11-03 04:28:54,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260361,260374] [2021-11-03 04:28:54,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260500,260513] [2021-11-03 04:28:54,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260642,260655] [2021-11-03 04:28:54,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260791,260804] [2021-11-03 04:28:54,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260930,260943] [2021-11-03 04:28:54,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[261085,261098] [2021-11-03 04:28:54,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[261245,261258] [2021-11-03 04:28:54,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[261396,261409] [2021-11-03 04:28:54,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[261547,261560] [2021-11-03 04:28:54,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[261699,261712] [2021-11-03 04:28:54,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[261848,261861] [2021-11-03 04:28:54,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[261996,262009] [2021-11-03 04:28:54,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[262153,262166] [2021-11-03 04:28:54,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[262302,262315] [2021-11-03 04:28:54,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[262458,262471] [2021-11-03 04:28:54,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[262611,262624] [2021-11-03 04:28:54,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[262757,262770] [2021-11-03 04:28:54,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[262900,262913] [2021-11-03 04:28:54,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[263052,263065] [2021-11-03 04:28:54,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[263198,263211] [2021-11-03 04:28:54,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[263343,263356] [2021-11-03 04:28:54,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[263497,263510] [2021-11-03 04:28:54,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[263648,263661] [2021-11-03 04:28:54,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[263803,263816] [2021-11-03 04:28:54,928 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[263955,263968] [2021-11-03 04:28:54,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[264110,264123] [2021-11-03 04:28:54,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[264274,264287] [2021-11-03 04:28:54,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[264430,264443] [2021-11-03 04:28:54,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[264594,264607] [2021-11-03 04:28:54,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[264736,264749] [2021-11-03 04:28:54,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[264894,264907] [2021-11-03 04:28:54,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265061,265074] [2021-11-03 04:28:54,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265220,265233] [2021-11-03 04:28:54,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265379,265392] [2021-11-03 04:28:54,936 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265528,265541] [2021-11-03 04:28:54,936 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265675,265688] [2021-11-03 04:28:54,936 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265814,265827] [2021-11-03 04:28:54,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265977,265990] [2021-11-03 04:28:54,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[266143,266156] [2021-11-03 04:28:54,938 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[266307,266320] [2021-11-03 04:28:54,939 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[266472,266485] [2021-11-03 04:28:54,939 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[266637,266650] [2021-11-03 04:28:54,940 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[266803,266816] [2021-11-03 04:28:54,940 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[266968,266981] [2021-11-03 04:28:54,940 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[267135,267148] [2021-11-03 04:28:54,941 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[267295,267308] [2021-11-03 04:28:54,941 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[267457,267470] [2021-11-03 04:28:54,941 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[267616,267629] [2021-11-03 04:28:54,941 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[267762,267775] [2021-11-03 04:28:54,942 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[267905,267918] [2021-11-03 04:28:54,942 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[268049,268062] [2021-11-03 04:28:54,942 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[268192,268205] [2021-11-03 04:28:54,943 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[268336,268349] [2021-11-03 04:28:54,943 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[268477,268490] [2021-11-03 04:28:54,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[268615,268628] [2021-11-03 04:28:54,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[268773,268786] [2021-11-03 04:28:54,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[268932,268945] [2021-11-03 04:28:54,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[269088,269101] [2021-11-03 04:28:54,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[269237,269250] [2021-11-03 04:28:54,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[269389,269402] [2021-11-03 04:28:54,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[269540,269553] [2021-11-03 04:28:54,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[269689,269702] [2021-11-03 04:28:54,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[269841,269854] [2021-11-03 04:28:54,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[269989,270002] [2021-11-03 04:28:54,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270142,270155] [2021-11-03 04:28:54,947 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270293,270306] [2021-11-03 04:28:54,947 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270443,270456] [2021-11-03 04:28:54,947 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270590,270603] [2021-11-03 04:28:54,947 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270741,270754] [2021-11-03 04:28:54,948 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270892,270905] [2021-11-03 04:28:54,948 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271040,271053] [2021-11-03 04:28:54,948 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271206,271219] [2021-11-03 04:28:54,949 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271375,271388] [2021-11-03 04:28:54,949 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271542,271555] [2021-11-03 04:28:54,949 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271710,271723] [2021-11-03 04:28:54,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271860,271873] [2021-11-03 04:28:54,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[272007,272020] [2021-11-03 04:28:54,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[272168,272181] [2021-11-03 04:28:54,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[272338,272351] [2021-11-03 04:28:54,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[272500,272513] [2021-11-03 04:28:54,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:28:54,976 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:28:55,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[259112,259125] [2021-11-03 04:28:55,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[259257,259270] [2021-11-03 04:28:55,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[259403,259416] [2021-11-03 04:28:55,194 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[259568,259581] [2021-11-03 04:28:55,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[259726,259739] [2021-11-03 04:28:55,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[259884,259897] [2021-11-03 04:28:55,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260042,260055] [2021-11-03 04:28:55,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260202,260215] [2021-11-03 04:28:55,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260361,260374] [2021-11-03 04:28:55,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[260500,260513] [2021-11-03 04:28:55,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[260642,260655] [2021-11-03 04:28:55,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[260791,260804] [2021-11-03 04:28:55,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[260930,260943] [2021-11-03 04:28:55,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[261085,261098] [2021-11-03 04:28:55,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[261245,261258] [2021-11-03 04:28:55,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[261396,261409] [2021-11-03 04:28:55,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[261547,261560] [2021-11-03 04:28:55,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[261699,261712] [2021-11-03 04:28:55,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[261848,261861] [2021-11-03 04:28:55,205 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[261996,262009] [2021-11-03 04:28:55,205 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[262153,262166] [2021-11-03 04:28:55,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[262302,262315] [2021-11-03 04:28:55,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[262458,262471] [2021-11-03 04:28:55,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[262611,262624] [2021-11-03 04:28:55,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[262757,262770] [2021-11-03 04:28:55,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[262900,262913] [2021-11-03 04:28:55,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[263052,263065] [2021-11-03 04:28:55,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[263198,263211] [2021-11-03 04:28:55,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[263343,263356] [2021-11-03 04:28:55,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[263497,263510] [2021-11-03 04:28:55,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[263648,263661] [2021-11-03 04:28:55,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[263803,263816] [2021-11-03 04:28:55,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[263955,263968] [2021-11-03 04:28:55,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[264110,264123] [2021-11-03 04:28:55,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[264274,264287] [2021-11-03 04:28:55,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[264430,264443] [2021-11-03 04:28:55,211 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[264594,264607] [2021-11-03 04:28:55,211 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[264736,264749] [2021-11-03 04:28:55,211 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[264894,264907] [2021-11-03 04:28:55,212 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265061,265074] [2021-11-03 04:28:55,213 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265220,265233] [2021-11-03 04:28:55,213 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[265379,265392] [2021-11-03 04:28:55,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[265528,265541] [2021-11-03 04:28:55,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[265675,265688] [2021-11-03 04:28:55,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[265814,265827] [2021-11-03 04:28:55,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[265977,265990] [2021-11-03 04:28:55,216 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[266143,266156] [2021-11-03 04:28:55,216 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[266307,266320] [2021-11-03 04:28:55,216 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[266472,266485] [2021-11-03 04:28:55,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[266637,266650] [2021-11-03 04:28:55,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[266803,266816] [2021-11-03 04:28:55,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[266968,266981] [2021-11-03 04:28:55,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[267135,267148] [2021-11-03 04:28:55,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[267295,267308] [2021-11-03 04:28:55,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[267457,267470] [2021-11-03 04:28:55,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[267616,267629] [2021-11-03 04:28:55,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[267762,267775] [2021-11-03 04:28:55,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[267905,267918] [2021-11-03 04:28:55,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[268049,268062] [2021-11-03 04:28:55,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[268192,268205] [2021-11-03 04:28:55,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[268336,268349] [2021-11-03 04:28:55,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[268477,268490] [2021-11-03 04:28:55,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[268615,268628] [2021-11-03 04:28:55,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[268773,268786] [2021-11-03 04:28:55,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[268932,268945] [2021-11-03 04:28:55,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[269088,269101] [2021-11-03 04:28:55,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[269237,269250] [2021-11-03 04:28:55,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[269389,269402] [2021-11-03 04:28:55,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[269540,269553] [2021-11-03 04:28:55,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i[269689,269702] [2021-11-03 04:28:55,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[269841,269854] [2021-11-03 04:28:55,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[269989,270002] [2021-11-03 04:28:55,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270142,270155] [2021-11-03 04:28:55,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270293,270306] [2021-11-03 04:28:55,236 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270443,270456] [2021-11-03 04:28:55,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270590,270603] [2021-11-03 04:28:55,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270741,270754] [2021-11-03 04:28:55,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[270892,270905] [2021-11-03 04:28:55,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271040,271053] [2021-11-03 04:28:55,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271206,271219] [2021-11-03 04:28:55,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271375,271388] [2021-11-03 04:28:55,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271542,271555] [2021-11-03 04:28:55,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271710,271723] [2021-11-03 04:28:55,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[271860,271873] [2021-11-03 04:28:55,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[272007,272020] [2021-11-03 04:28:55,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[272168,272181] [2021-11-03 04:28:55,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[272338,272351] [2021-11-03 04:28:55,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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--yurex.ko.cil.i[272500,272513] [2021-11-03 04:28:55,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:28:55,333 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:28:55,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55 WrapperNode [2021-11-03 04:28:55,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:28:55,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:28:55,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:28:55,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:28:55,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:28:55,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:28:55,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:28:55,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:28:55,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:28:55,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:28:55,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:28:55,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:28:55,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (1/1) ... [2021-11-03 04:28:55,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:28:55,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 04:28:55,689 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) [2021-11-03 04:28:55,696 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 [2021-11-03 04:28:55,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:28:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-03 04:28:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 04:28:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-03 04:28:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-03 04:28:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:28:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:28:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 04:28:55,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 04:28:55,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 04:28:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:28:55,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:28:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-03 04:28:55,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-03 04:28:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:28:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:28:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:28:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 04:28:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:28:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure yurex_disconnect [2021-11-03 04:28:55,721 INFO L138 BoogieDeclarations]: Found implementation of procedure yurex_disconnect [2021-11-03 04:28:58,590 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5533: #t~ret604 := main_#res; [2021-11-03 04:28:58,591 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_5_returnLabel: main_#res := 0; [2021-11-03 04:28:58,591 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 04:28:58,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:28:58,610 INFO L299 CfgBuilder]: Removed 1006 assume(true) statements. [2021-11-03 04:28:58,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:28:58 BoogieIcfgContainer [2021-11-03 04:28:58,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:28:58,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:28:58,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:28:58,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:28:58,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:28:53" (1/3) ... [2021-11-03 04:28:58,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eda8a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:28:58, skipping insertion in model container [2021-11-03 04:28:58,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:28:55" (2/3) ... [2021-11-03 04:28:58,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eda8a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:28:58, skipping insertion in model container [2021-11-03 04:28:58,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:28:58" (3/3) ... [2021-11-03 04:28:58,620 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--yurex.ko.cil.i [2021-11-03 04:28:58,624 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:28:58,624 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 83 error locations. [2021-11-03 04:28:58,670 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:28:58,675 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 [2021-11-03 04:28:58,675 INFO L340 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2021-11-03 04:28:58,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 994 states, 900 states have (on average 1.4211111111111112) internal successors, (1279), 983 states have internal predecessors, (1279), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:28:58,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 04:28:58,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:28:58,720 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:28:58,721 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:28:58,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:28:58,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1067529640, now seen corresponding path program 1 times [2021-11-03 04:28:58,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:28:58,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025300554] [2021-11-03 04:28:58,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:28:58,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:28:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:28:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:28:59,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:28:59,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025300554] [2021-11-03 04:28:59,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025300554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:28:59,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:28:59,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:28:59,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029666242] [2021-11-03 04:28:59,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:28:59,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:28:59,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:28:59,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:28:59,199 INFO L87 Difference]: Start difference. First operand has 994 states, 900 states have (on average 1.4211111111111112) internal successors, (1279), 983 states have internal predecessors, (1279), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:29:01,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:03,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:03,408 INFO L93 Difference]: Finished difference Result 1915 states and 2499 transitions. [2021-11-03 04:29:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:03,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-03 04:29:03,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:03,420 INFO L225 Difference]: With dead ends: 1915 [2021-11-03 04:29:03,420 INFO L226 Difference]: Without dead ends: 924 [2021-11-03 04:29:03,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.34ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:03,442 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 1334 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 2070 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3609.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 2073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.49ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2070 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4028.17ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:03,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1334 Valid, 154 Invalid, 2073 Unknown, 0 Unchecked, 15.49ms Time], IncrementalHoareTripleChecker [2 Valid, 2070 Invalid, 1 Unknown, 0 Unchecked, 4028.17ms Time] [2021-11-03 04:29:03,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2021-11-03 04:29:03,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2021-11-03 04:29:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 832 states have (on average 1.2668269230769231) internal successors, (1054), 913 states have internal predecessors, (1054), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:03,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1068 transitions. [2021-11-03 04:29:03,528 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1068 transitions. Word has length 29 [2021-11-03 04:29:03,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:03,528 INFO L470 AbstractCegarLoop]: Abstraction has 924 states and 1068 transitions. [2021-11-03 04:29:03,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:29:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1068 transitions. [2021-11-03 04:29:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-03 04:29:03,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:03,529 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] [2021-11-03 04:29:03,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:29:03,529 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:03,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:03,530 INFO L85 PathProgramCache]: Analyzing trace with hash -601025716, now seen corresponding path program 1 times [2021-11-03 04:29:03,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:03,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619623241] [2021-11-03 04:29:03,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:03,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:03,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:03,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619623241] [2021-11-03 04:29:03,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619623241] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:03,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:03,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:03,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051395752] [2021-11-03 04:29:03,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:03,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:03,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:03,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:03,674 INFO L87 Difference]: Start difference. First operand 924 states and 1068 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:29:05,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:07,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:07,777 INFO L93 Difference]: Finished difference Result 924 states and 1068 transitions. [2021-11-03 04:29:07,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:07,778 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 [2021-11-03 04:29:07,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:07,781 INFO L225 Difference]: With dead ends: 924 [2021-11-03 04:29:07,781 INFO L226 Difference]: Without dead ends: 920 [2021-11-03 04:29:07,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:07,782 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1188 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3677.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.96ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3991.79ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:07,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1188 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 8.96ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3991.79ms Time] [2021-11-03 04:29:07,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2021-11-03 04:29:07,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920. [2021-11-03 04:29:07,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 830 states have (on average 1.2650602409638554) internal successors, (1050), 909 states have internal predecessors, (1050), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1064 transitions. [2021-11-03 04:29:07,811 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1064 transitions. Word has length 31 [2021-11-03 04:29:07,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:07,811 INFO L470 AbstractCegarLoop]: Abstraction has 920 states and 1064 transitions. [2021-11-03 04:29:07,812 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) [2021-11-03 04:29:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1064 transitions. [2021-11-03 04:29:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-03 04:29:07,813 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:07,813 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] [2021-11-03 04:29:07,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:29:07,813 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:07,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:07,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2059921072, now seen corresponding path program 1 times [2021-11-03 04:29:07,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:07,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468619968] [2021-11-03 04:29:07,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:07,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:07,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:07,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468619968] [2021-11-03 04:29:07,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468619968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:07,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:07,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:07,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918533614] [2021-11-03 04:29:07,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:07,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:07,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:07,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:07,963 INFO L87 Difference]: Start difference. First operand 920 states and 1064 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) [2021-11-03 04:29:09,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:11,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:11,809 INFO L93 Difference]: Finished difference Result 920 states and 1064 transitions. [2021-11-03 04:29:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:11,810 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 [2021-11-03 04:29:11,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:11,814 INFO L225 Difference]: With dead ends: 920 [2021-11-03 04:29:11,814 INFO L226 Difference]: Without dead ends: 916 [2021-11-03 04:29:11,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:11,816 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1174 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3432.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.90ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3750.10ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:11,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1174 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 6.90ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3750.10ms Time] [2021-11-03 04:29:11,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2021-11-03 04:29:11,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 916. [2021-11-03 04:29:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 828 states have (on average 1.2632850241545894) internal successors, (1046), 905 states have internal predecessors, (1046), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1060 transitions. [2021-11-03 04:29:11,846 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1060 transitions. Word has length 33 [2021-11-03 04:29:11,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:11,846 INFO L470 AbstractCegarLoop]: Abstraction has 916 states and 1060 transitions. [2021-11-03 04:29:11,846 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) [2021-11-03 04:29:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1060 transitions. [2021-11-03 04:29:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-03 04:29:11,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:11,851 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] [2021-11-03 04:29:11,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 04:29:11,852 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:11,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:11,853 INFO L85 PathProgramCache]: Analyzing trace with hash 395947956, now seen corresponding path program 1 times [2021-11-03 04:29:11,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:11,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99179793] [2021-11-03 04:29:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:11,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:12,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:12,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99179793] [2021-11-03 04:29:12,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99179793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:12,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:12,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:12,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664428214] [2021-11-03 04:29:12,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:12,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:12,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:12,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:12,019 INFO L87 Difference]: Start difference. First operand 916 states and 1060 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) [2021-11-03 04:29:14,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:15,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:15,914 INFO L93 Difference]: Finished difference Result 916 states and 1060 transitions. [2021-11-03 04:29:15,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:15,914 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 [2021-11-03 04:29:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:15,917 INFO L225 Difference]: With dead ends: 916 [2021-11-03 04:29:15,917 INFO L226 Difference]: Without dead ends: 912 [2021-11-03 04:29:15,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:15,918 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1160 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3459.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.16ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3797.71ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:15,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1160 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 7.16ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3797.71ms Time] [2021-11-03 04:29:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2021-11-03 04:29:15,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 912. [2021-11-03 04:29:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 826 states have (on average 1.261501210653753) internal successors, (1042), 901 states have internal predecessors, (1042), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:15,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1056 transitions. [2021-11-03 04:29:15,980 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1056 transitions. Word has length 35 [2021-11-03 04:29:15,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:15,981 INFO L470 AbstractCegarLoop]: Abstraction has 912 states and 1056 transitions. [2021-11-03 04:29:15,981 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) [2021-11-03 04:29:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1056 transitions. [2021-11-03 04:29:15,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 04:29:15,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:15,981 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] [2021-11-03 04:29:15,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 04:29:15,982 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:15,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:15,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1745928584, now seen corresponding path program 1 times [2021-11-03 04:29:15,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:15,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248587712] [2021-11-03 04:29:15,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:15,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:16,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:16,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248587712] [2021-11-03 04:29:16,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248587712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:16,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:16,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:16,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832777664] [2021-11-03 04:29:16,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:16,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:16,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:16,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:16,087 INFO L87 Difference]: Start difference. First operand 912 states and 1056 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) [2021-11-03 04:29:18,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:19,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:19,868 INFO L93 Difference]: Finished difference Result 912 states and 1056 transitions. [2021-11-03 04:29:19,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:19,868 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 [2021-11-03 04:29:19,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:19,871 INFO L225 Difference]: With dead ends: 912 [2021-11-03 04:29:19,872 INFO L226 Difference]: Without dead ends: 908 [2021-11-03 04:29:19,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.81ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:19,875 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1146 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3388.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.34ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3700.25ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:19,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1146 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 6.34ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3700.25ms Time] [2021-11-03 04:29:19,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2021-11-03 04:29:19,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 908. [2021-11-03 04:29:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 824 states have (on average 1.2597087378640777) internal successors, (1038), 897 states have internal predecessors, (1038), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:19,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1052 transitions. [2021-11-03 04:29:19,898 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1052 transitions. Word has length 37 [2021-11-03 04:29:19,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:19,900 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 1052 transitions. [2021-11-03 04:29:19,901 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) [2021-11-03 04:29:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1052 transitions. [2021-11-03 04:29:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 04:29:19,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:19,903 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] [2021-11-03 04:29:19,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 04:29:19,903 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:19,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:19,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1495018908, now seen corresponding path program 1 times [2021-11-03 04:29:19,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:19,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906562730] [2021-11-03 04:29:19,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:19,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:20,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:20,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906562730] [2021-11-03 04:29:20,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906562730] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:20,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:20,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:20,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243610192] [2021-11-03 04:29:20,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:20,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:20,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:20,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:20,015 INFO L87 Difference]: Start difference. First operand 908 states and 1052 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) [2021-11-03 04:29:22,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:23,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:23,914 INFO L93 Difference]: Finished difference Result 908 states and 1052 transitions. [2021-11-03 04:29:23,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:23,914 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 [2021-11-03 04:29:23,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:23,934 INFO L225 Difference]: With dead ends: 908 [2021-11-03 04:29:23,934 INFO L226 Difference]: Without dead ends: 904 [2021-11-03 04:29:23,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.80ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:23,935 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1132 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3492.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.66ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3801.15ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:23,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1132 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 6.66ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3801.15ms Time] [2021-11-03 04:29:23,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2021-11-03 04:29:23,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2021-11-03 04:29:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 822 states have (on average 1.2579075425790753) internal successors, (1034), 893 states have internal predecessors, (1034), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1048 transitions. [2021-11-03 04:29:23,995 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1048 transitions. Word has length 39 [2021-11-03 04:29:23,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:23,996 INFO L470 AbstractCegarLoop]: Abstraction has 904 states and 1048 transitions. [2021-11-03 04:29:23,996 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) [2021-11-03 04:29:23,996 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1048 transitions. [2021-11-03 04:29:23,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 04:29:23,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:23,998 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] [2021-11-03 04:29:23,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 04:29:23,999 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:23,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:23,999 INFO L85 PathProgramCache]: Analyzing trace with hash -2100697824, now seen corresponding path program 1 times [2021-11-03 04:29:24,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:24,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793286843] [2021-11-03 04:29:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:24,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:24,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:24,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793286843] [2021-11-03 04:29:24,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793286843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:24,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:24,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:24,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240045435] [2021-11-03 04:29:24,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:24,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:24,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:24,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:24,116 INFO L87 Difference]: Start difference. First operand 904 states and 1048 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) [2021-11-03 04:29:26,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:28,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:28,106 INFO L93 Difference]: Finished difference Result 904 states and 1048 transitions. [2021-11-03 04:29:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:28,107 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 [2021-11-03 04:29:28,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:28,109 INFO L225 Difference]: With dead ends: 904 [2021-11-03 04:29:28,110 INFO L226 Difference]: Without dead ends: 900 [2021-11-03 04:29:28,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.88ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:28,111 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1118 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3544.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.35ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3896.85ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:28,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1118 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 6.35ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3896.85ms Time] [2021-11-03 04:29:28,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2021-11-03 04:29:28,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 900. [2021-11-03 04:29:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 820 states have (on average 1.2560975609756098) internal successors, (1030), 889 states have internal predecessors, (1030), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1044 transitions. [2021-11-03 04:29:28,139 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1044 transitions. Word has length 41 [2021-11-03 04:29:28,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:28,139 INFO L470 AbstractCegarLoop]: Abstraction has 900 states and 1044 transitions. [2021-11-03 04:29:28,139 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) [2021-11-03 04:29:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1044 transitions. [2021-11-03 04:29:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 04:29:28,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:28,141 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] [2021-11-03 04:29:28,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 04:29:28,141 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:28,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:28,142 INFO L85 PathProgramCache]: Analyzing trace with hash -135803644, now seen corresponding path program 1 times [2021-11-03 04:29:28,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:28,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364865769] [2021-11-03 04:29:28,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:28,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:28,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:28,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364865769] [2021-11-03 04:29:28,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364865769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:28,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:28,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:28,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031980001] [2021-11-03 04:29:28,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:28,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:28,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:28,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:28,255 INFO L87 Difference]: Start difference. First operand 900 states and 1044 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) [2021-11-03 04:29:30,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:32,163 INFO L93 Difference]: Finished difference Result 900 states and 1044 transitions. [2021-11-03 04:29:32,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:32,164 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 [2021-11-03 04:29:32,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:32,167 INFO L225 Difference]: With dead ends: 900 [2021-11-03 04:29:32,167 INFO L226 Difference]: Without dead ends: 896 [2021-11-03 04:29:32,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.67ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:32,168 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1104 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3464.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.12ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3818.36ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:32,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1104 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 6.12ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3818.36ms Time] [2021-11-03 04:29:32,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-11-03 04:29:32,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2021-11-03 04:29:32,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 818 states have (on average 1.254278728606357) internal successors, (1026), 885 states have internal predecessors, (1026), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1040 transitions. [2021-11-03 04:29:32,199 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1040 transitions. Word has length 43 [2021-11-03 04:29:32,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:32,200 INFO L470 AbstractCegarLoop]: Abstraction has 896 states and 1040 transitions. [2021-11-03 04:29:32,200 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) [2021-11-03 04:29:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1040 transitions. [2021-11-03 04:29:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 04:29:32,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:32,201 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] [2021-11-03 04:29:32,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-03 04:29:32,201 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:32,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:32,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1658107545, now seen corresponding path program 1 times [2021-11-03 04:29:32,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:32,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192824023] [2021-11-03 04:29:32,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:32,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:32,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:32,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192824023] [2021-11-03 04:29:32,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192824023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:32,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:32,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:32,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047317592] [2021-11-03 04:29:32,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:32,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:32,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:32,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:32,297 INFO L87 Difference]: Start difference. First operand 896 states and 1040 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) [2021-11-03 04:29:34,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:36,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:36,174 INFO L93 Difference]: Finished difference Result 896 states and 1040 transitions. [2021-11-03 04:29:36,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:36,174 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 [2021-11-03 04:29:36,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:36,177 INFO L225 Difference]: With dead ends: 896 [2021-11-03 04:29:36,177 INFO L226 Difference]: Without dead ends: 892 [2021-11-03 04:29:36,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:36,178 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1090 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3465.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.55ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3795.05ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:36,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1090 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 5.55ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3795.05ms Time] [2021-11-03 04:29:36,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2021-11-03 04:29:36,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 892. [2021-11-03 04:29:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 892 states, 816 states have (on average 1.2524509803921569) internal successors, (1022), 881 states have internal predecessors, (1022), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 892 states and 1036 transitions. [2021-11-03 04:29:36,204 INFO L78 Accepts]: Start accepts. Automaton has 892 states and 1036 transitions. Word has length 45 [2021-11-03 04:29:36,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:36,204 INFO L470 AbstractCegarLoop]: Abstraction has 892 states and 1036 transitions. [2021-11-03 04:29:36,204 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) [2021-11-03 04:29:36,204 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1036 transitions. [2021-11-03 04:29:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 04:29:36,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:36,205 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] [2021-11-03 04:29:36,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-03 04:29:36,205 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:36,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:36,206 INFO L85 PathProgramCache]: Analyzing trace with hash -8307157, now seen corresponding path program 1 times [2021-11-03 04:29:36,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:36,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394053765] [2021-11-03 04:29:36,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:36,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:36,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:36,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394053765] [2021-11-03 04:29:36,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394053765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:36,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:36,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:36,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852821978] [2021-11-03 04:29:36,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:36,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:36,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:36,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:36,326 INFO L87 Difference]: Start difference. First operand 892 states and 1036 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) [2021-11-03 04:29:38,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:40,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:40,181 INFO L93 Difference]: Finished difference Result 892 states and 1036 transitions. [2021-11-03 04:29:40,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:40,182 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 [2021-11-03 04:29:40,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:40,184 INFO L225 Difference]: With dead ends: 892 [2021-11-03 04:29:40,184 INFO L226 Difference]: Without dead ends: 888 [2021-11-03 04:29:40,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.19ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:40,185 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1076 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3426.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.89ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3768.76ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:40,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1076 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 4.89ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3768.76ms Time] [2021-11-03 04:29:40,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2021-11-03 04:29:40,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 888. [2021-11-03 04:29:40,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 814 states have (on average 1.2506142506142506) internal successors, (1018), 877 states have internal predecessors, (1018), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:40,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1032 transitions. [2021-11-03 04:29:40,209 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1032 transitions. Word has length 47 [2021-11-03 04:29:40,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:40,209 INFO L470 AbstractCegarLoop]: Abstraction has 888 states and 1032 transitions. [2021-11-03 04:29:40,209 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) [2021-11-03 04:29:40,209 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1032 transitions. [2021-11-03 04:29:40,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-03 04:29:40,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:40,210 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:29:40,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-03 04:29:40,210 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:40,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:40,211 INFO L85 PathProgramCache]: Analyzing trace with hash 606933839, now seen corresponding path program 1 times [2021-11-03 04:29:40,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:40,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851309164] [2021-11-03 04:29:40,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:40,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:40,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:40,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851309164] [2021-11-03 04:29:40,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851309164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:40,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:40,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:40,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302255995] [2021-11-03 04:29:40,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:40,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:40,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:40,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:40,293 INFO L87 Difference]: Start difference. First operand 888 states and 1032 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) [2021-11-03 04:29:42,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:44,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:44,112 INFO L93 Difference]: Finished difference Result 888 states and 1032 transitions. [2021-11-03 04:29:44,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:44,113 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 [2021-11-03 04:29:44,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:44,116 INFO L225 Difference]: With dead ends: 888 [2021-11-03 04:29:44,116 INFO L226 Difference]: Without dead ends: 884 [2021-11-03 04:29:44,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.16ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:44,117 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1062 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3422.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.08ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3741.67ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:44,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1062 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 5.08ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3741.67ms Time] [2021-11-03 04:29:44,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2021-11-03 04:29:44,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2021-11-03 04:29:44,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 812 states have (on average 1.248768472906404) internal successors, (1014), 873 states have internal predecessors, (1014), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1028 transitions. [2021-11-03 04:29:44,143 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1028 transitions. Word has length 49 [2021-11-03 04:29:44,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:44,143 INFO L470 AbstractCegarLoop]: Abstraction has 884 states and 1028 transitions. [2021-11-03 04:29:44,143 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) [2021-11-03 04:29:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1028 transitions. [2021-11-03 04:29:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 04:29:44,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:44,144 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] [2021-11-03 04:29:44,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-03 04:29:44,144 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:44,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:44,144 INFO L85 PathProgramCache]: Analyzing trace with hash -851955501, now seen corresponding path program 1 times [2021-11-03 04:29:44,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:44,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748350737] [2021-11-03 04:29:44,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:44,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:44,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:44,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748350737] [2021-11-03 04:29:44,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748350737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:44,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:44,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:44,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210480196] [2021-11-03 04:29:44,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:44,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:44,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:44,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:44,223 INFO L87 Difference]: Start difference. First operand 884 states and 1028 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) [2021-11-03 04:29:46,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:48,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:48,059 INFO L93 Difference]: Finished difference Result 884 states and 1028 transitions. [2021-11-03 04:29:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:48,059 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 [2021-11-03 04:29:48,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:48,062 INFO L225 Difference]: With dead ends: 884 [2021-11-03 04:29:48,062 INFO L226 Difference]: Without dead ends: 880 [2021-11-03 04:29:48,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.02ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:48,063 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1048 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3390.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.87ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3763.50ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:48,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1048 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 4.87ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3763.50ms Time] [2021-11-03 04:29:48,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2021-11-03 04:29:48,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 880. [2021-11-03 04:29:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 810 states have (on average 1.2469135802469136) internal successors, (1010), 869 states have internal predecessors, (1010), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:48,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1024 transitions. [2021-11-03 04:29:48,090 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1024 transitions. Word has length 51 [2021-11-03 04:29:48,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:48,090 INFO L470 AbstractCegarLoop]: Abstraction has 880 states and 1024 transitions. [2021-11-03 04:29:48,090 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) [2021-11-03 04:29:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1024 transitions. [2021-11-03 04:29:48,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-03 04:29:48,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:48,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:29:48,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-03 04:29:48,091 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:48,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:48,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1609694903, now seen corresponding path program 1 times [2021-11-03 04:29:48,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:48,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800569612] [2021-11-03 04:29:48,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:48,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:48,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:48,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800569612] [2021-11-03 04:29:48,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800569612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:48,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:48,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:48,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996852264] [2021-11-03 04:29:48,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:48,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:48,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:48,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:48,165 INFO L87 Difference]: Start difference. First operand 880 states and 1024 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) [2021-11-03 04:29:50,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:52,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:52,379 INFO L93 Difference]: Finished difference Result 880 states and 1024 transitions. [2021-11-03 04:29:52,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:52,380 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 [2021-11-03 04:29:52,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:52,382 INFO L225 Difference]: With dead ends: 880 [2021-11-03 04:29:52,382 INFO L226 Difference]: Without dead ends: 876 [2021-11-03 04:29:52,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.60ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:29:52,383 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1034 mSDsluCounter, 953 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3721.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.66ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4125.88ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:52,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1034 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 5.66ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 4125.88ms Time] [2021-11-03 04:29:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2021-11-03 04:29:52,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2021-11-03 04:29:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 808 states have (on average 1.245049504950495) internal successors, (1006), 865 states have internal predecessors, (1006), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:52,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1020 transitions. [2021-11-03 04:29:52,409 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1020 transitions. Word has length 53 [2021-11-03 04:29:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:52,409 INFO L470 AbstractCegarLoop]: Abstraction has 876 states and 1020 transitions. [2021-11-03 04:29:52,409 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) [2021-11-03 04:29:52,410 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1020 transitions. [2021-11-03 04:29:52,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-03 04:29:52,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:52,410 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:29:52,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-03 04:29:52,410 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:52,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:52,411 INFO L85 PathProgramCache]: Analyzing trace with hash 728753403, now seen corresponding path program 1 times [2021-11-03 04:29:52,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:52,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142861279] [2021-11-03 04:29:52,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:52,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:52,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:52,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142861279] [2021-11-03 04:29:52,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142861279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:52,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:52,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:52,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537840596] [2021-11-03 04:29:52,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:52,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:52,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:52,503 INFO L87 Difference]: Start difference. First operand 876 states and 1020 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) [2021-11-03 04:29:54,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:29:56,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:29:56,567 INFO L93 Difference]: Finished difference Result 876 states and 1020 transitions. [2021-11-03 04:29:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:29:56,568 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 [2021-11-03 04:29:56,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:29:56,570 INFO L225 Difference]: With dead ends: 876 [2021-11-03 04:29:56,570 INFO L226 Difference]: Without dead ends: 872 [2021-11-03 04:29:56,571 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 [2021-11-03 04:29:56,571 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1020 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3573.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.28ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3981.35ms IncrementalHoareTripleChecker+Time [2021-11-03 04:29:56,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1020 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 5.28ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3981.35ms Time] [2021-11-03 04:29:56,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-11-03 04:29:56,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 872. [2021-11-03 04:29:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 806 states have (on average 1.2431761786600497) internal successors, (1002), 861 states have internal predecessors, (1002), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:29:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1016 transitions. [2021-11-03 04:29:56,599 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1016 transitions. Word has length 55 [2021-11-03 04:29:56,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:29:56,599 INFO L470 AbstractCegarLoop]: Abstraction has 872 states and 1016 transitions. [2021-11-03 04:29:56,599 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) [2021-11-03 04:29:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1016 transitions. [2021-11-03 04:29:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-03 04:29:56,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:29:56,600 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] [2021-11-03 04:29:56,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-03 04:29:56,600 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:29:56,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:29:56,601 INFO L85 PathProgramCache]: Analyzing trace with hash 252529567, now seen corresponding path program 1 times [2021-11-03 04:29:56,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:29:56,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211750388] [2021-11-03 04:29:56,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:29:56,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:29:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:29:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:29:56,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:29:56,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211750388] [2021-11-03 04:29:56,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211750388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:29:56,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:29:56,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:29:56,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721587234] [2021-11-03 04:29:56,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:29:56,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:29:56,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:29:56,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:29:56,684 INFO L87 Difference]: Start difference. First operand 872 states and 1016 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) [2021-11-03 04:29:58,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:00,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:00,811 INFO L93 Difference]: Finished difference Result 872 states and 1016 transitions. [2021-11-03 04:30:00,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:30:00,812 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 [2021-11-03 04:30:00,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:00,814 INFO L225 Difference]: With dead ends: 872 [2021-11-03 04:30:00,815 INFO L226 Difference]: Without dead ends: 868 [2021-11-03 04:30:00,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.98ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:00,816 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 1006 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3635.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.32ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4035.23ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:00,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1006 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 5.32ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 4035.23ms Time] [2021-11-03 04:30:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2021-11-03 04:30:00,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2021-11-03 04:30:00,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 804 states have (on average 1.2412935323383085) internal successors, (998), 857 states have internal predecessors, (998), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:30:00,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1012 transitions. [2021-11-03 04:30:00,847 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1012 transitions. Word has length 57 [2021-11-03 04:30:00,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:00,847 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 1012 transitions. [2021-11-03 04:30:00,847 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) [2021-11-03 04:30:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1012 transitions. [2021-11-03 04:30:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 04:30:00,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:00,848 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] [2021-11-03 04:30:00,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-03 04:30:00,848 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:00,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:00,849 INFO L85 PathProgramCache]: Analyzing trace with hash -2132043101, now seen corresponding path program 1 times [2021-11-03 04:30:00,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:00,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319057074] [2021-11-03 04:30:00,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:00,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:00,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:00,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319057074] [2021-11-03 04:30:00,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319057074] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:00,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:00,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:30:00,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752405396] [2021-11-03 04:30:00,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:00,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:00,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:00,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:00,973 INFO L87 Difference]: Start difference. First operand 868 states and 1012 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) [2021-11-03 04:30:02,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:05,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:05,040 INFO L93 Difference]: Finished difference Result 868 states and 1012 transitions. [2021-11-03 04:30:05,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:30:05,041 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 [2021-11-03 04:30:05,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:05,043 INFO L225 Difference]: With dead ends: 868 [2021-11-03 04:30:05,043 INFO L226 Difference]: Without dead ends: 864 [2021-11-03 04:30:05,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.90ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:05,044 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 992 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3603.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.06ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3956.40ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:05,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [992 Valid, 28 Invalid, 1947 Unknown, 0 Unchecked, 5.06ms Time], IncrementalHoareTripleChecker [2 Valid, 1944 Invalid, 1 Unknown, 0 Unchecked, 3956.40ms Time] [2021-11-03 04:30:05,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2021-11-03 04:30:05,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2021-11-03 04:30:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 802 states have (on average 1.2394014962593516) internal successors, (994), 853 states have internal predecessors, (994), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:30:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1008 transitions. [2021-11-03 04:30:05,074 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1008 transitions. Word has length 59 [2021-11-03 04:30:05,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:05,075 INFO L470 AbstractCegarLoop]: Abstraction has 864 states and 1008 transitions. [2021-11-03 04:30:05,075 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) [2021-11-03 04:30:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1008 transitions. [2021-11-03 04:30:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 04:30:05,076 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:05,076 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] [2021-11-03 04:30:05,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-03 04:30:05,076 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:05,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:05,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1154125248, now seen corresponding path program 1 times [2021-11-03 04:30:05,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:05,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41916064] [2021-11-03 04:30:05,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:05,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:05,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:05,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:05,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41916064] [2021-11-03 04:30:05,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41916064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:05,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:05,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:30:05,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086339662] [2021-11-03 04:30:05,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:30:05,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:05,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:30:05,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:05,282 INFO L87 Difference]: Start difference. First operand 864 states and 1008 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:07,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:10,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:10,062 INFO L93 Difference]: Finished difference Result 2036 states and 2362 transitions. [2021-11-03 04:30:10,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:30:10,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-03 04:30:10,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:10,073 INFO L225 Difference]: With dead ends: 2036 [2021-11-03 04:30:10,073 INFO L226 Difference]: Without dead ends: 1230 [2021-11-03 04:30:10,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.58ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:30:10,077 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 2404 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 2698 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4082.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.36ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2698 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4615.44ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:10,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2404 Valid, 39 Invalid, 2734 Unknown, 0 Unchecked, 11.36ms Time], IncrementalHoareTripleChecker [35 Valid, 2698 Invalid, 1 Unknown, 0 Unchecked, 4615.44ms Time] [2021-11-03 04:30:10,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2021-11-03 04:30:10,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 864. [2021-11-03 04:30:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 802 states have (on average 1.229426433915212) internal successors, (986), 853 states have internal predecessors, (986), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:30:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1000 transitions. [2021-11-03 04:30:10,137 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1000 transitions. Word has length 59 [2021-11-03 04:30:10,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:10,138 INFO L470 AbstractCegarLoop]: Abstraction has 864 states and 1000 transitions. [2021-11-03 04:30:10,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:10,138 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1000 transitions. [2021-11-03 04:30:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 04:30:10,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:10,139 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] [2021-11-03 04:30:10,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-03 04:30:10,139 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1154184830, now seen corresponding path program 1 times [2021-11-03 04:30:10,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:10,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307882290] [2021-11-03 04:30:10,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:10,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:10,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:10,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307882290] [2021-11-03 04:30:10,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307882290] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:10,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:10,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:30:10,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158407539] [2021-11-03 04:30:10,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:10,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:10,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:10,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:10,251 INFO L87 Difference]: Start difference. First operand 864 states and 1000 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:12,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:14,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:14,911 INFO L93 Difference]: Finished difference Result 1233 states and 1412 transitions. [2021-11-03 04:30:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:30:14,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-03 04:30:14,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:14,920 INFO L225 Difference]: With dead ends: 1233 [2021-11-03 04:30:14,920 INFO L226 Difference]: Without dead ends: 1217 [2021-11-03 04:30:14,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.14ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:14,921 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 1415 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 2697 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3993.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1415 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 2731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.67ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2697 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4512.90ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:14,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1415 Valid, 42 Invalid, 2731 Unknown, 0 Unchecked, 10.67ms Time], IncrementalHoareTripleChecker [33 Valid, 2697 Invalid, 1 Unknown, 0 Unchecked, 4512.90ms Time] [2021-11-03 04:30:14,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2021-11-03 04:30:14,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 848. [2021-11-03 04:30:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 794 states have (on average 1.221662468513854) internal successors, (970), 837 states have internal predecessors, (970), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:30:14,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 984 transitions. [2021-11-03 04:30:14,959 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 984 transitions. Word has length 59 [2021-11-03 04:30:14,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:14,960 INFO L470 AbstractCegarLoop]: Abstraction has 848 states and 984 transitions. [2021-11-03 04:30:14,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 984 transitions. [2021-11-03 04:30:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 04:30:14,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:14,961 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] [2021-11-03 04:30:14,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-03 04:30:14,961 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:14,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:14,961 INFO L85 PathProgramCache]: Analyzing trace with hash -193840633, now seen corresponding path program 1 times [2021-11-03 04:30:14,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:14,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873230561] [2021-11-03 04:30:14,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:14,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:15,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:15,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873230561] [2021-11-03 04:30:15,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873230561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:15,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:15,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:30:15,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669479700] [2021-11-03 04:30:15,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:15,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:15,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:15,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:15,047 INFO L87 Difference]: Start difference. First operand 848 states and 984 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) [2021-11-03 04:30:17,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:19,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:19,364 INFO L93 Difference]: Finished difference Result 848 states and 984 transitions. [2021-11-03 04:30:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:30:19,365 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 [2021-11-03 04:30:19,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:19,367 INFO L225 Difference]: With dead ends: 848 [2021-11-03 04:30:19,367 INFO L226 Difference]: Without dead ends: 844 [2021-11-03 04:30:19,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.53ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:19,368 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 954 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 1896 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3729.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 954 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.04ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1896 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4196.12ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:19,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [954 Valid, 28 Invalid, 1899 Unknown, 0 Unchecked, 6.04ms Time], IncrementalHoareTripleChecker [2 Valid, 1896 Invalid, 1 Unknown, 0 Unchecked, 4196.12ms Time] [2021-11-03 04:30:19,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2021-11-03 04:30:19,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 844. [2021-11-03 04:30:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 792 states have (on average 1.2196969696969697) internal successors, (966), 833 states have internal predecessors, (966), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:30:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 980 transitions. [2021-11-03 04:30:19,411 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 980 transitions. Word has length 61 [2021-11-03 04:30:19,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:19,411 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 980 transitions. [2021-11-03 04:30:19,411 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) [2021-11-03 04:30:19,411 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 980 transitions. [2021-11-03 04:30:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-03 04:30:19,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:19,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:19,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-03 04:30:19,412 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:19,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:19,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1183376910, now seen corresponding path program 1 times [2021-11-03 04:30:19,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:19,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357346039] [2021-11-03 04:30:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:19,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:19,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:19,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357346039] [2021-11-03 04:30:19,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357346039] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:19,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:19,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:30:19,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724895631] [2021-11-03 04:30:19,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:30:19,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:19,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:30:19,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:30:19,511 INFO L87 Difference]: Start difference. First operand 844 states and 980 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) [2021-11-03 04:30:21,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:22,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:22,789 INFO L93 Difference]: Finished difference Result 1599 states and 1873 transitions. [2021-11-03 04:30:22,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:30:22,790 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 [2021-11-03 04:30:22,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:22,792 INFO L225 Difference]: With dead ends: 1599 [2021-11-03 04:30:22,792 INFO L226 Difference]: Without dead ends: 817 [2021-11-03 04:30:22,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:30:22,794 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 885 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2916.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.67ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3202.48ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:22,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [885 Valid, 14 Invalid, 938 Unknown, 0 Unchecked, 1.67ms Time], IncrementalHoareTripleChecker [8 Valid, 929 Invalid, 1 Unknown, 0 Unchecked, 3202.48ms Time] [2021-11-03 04:30:22,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2021-11-03 04:30:22,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 817. [2021-11-03 04:30:22,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 774 states have (on average 1.2015503875968991) internal successors, (930), 806 states have internal predecessors, (930), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:30:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 944 transitions. [2021-11-03 04:30:22,834 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 944 transitions. Word has length 62 [2021-11-03 04:30:22,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:22,834 INFO L470 AbstractCegarLoop]: Abstraction has 817 states and 944 transitions. [2021-11-03 04:30:22,834 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) [2021-11-03 04:30:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 944 transitions. [2021-11-03 04:30:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-03 04:30:22,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:22,835 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] [2021-11-03 04:30:22,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-03 04:30:22,835 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:22,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:22,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1597074997, now seen corresponding path program 1 times [2021-11-03 04:30:22,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:22,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922682230] [2021-11-03 04:30:22,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:22,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:22,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:22,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:22,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922682230] [2021-11-03 04:30:22,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922682230] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:22,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:22,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:30:22,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158954421] [2021-11-03 04:30:22,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:22,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:22,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:22,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:22,925 INFO L87 Difference]: Start difference. First operand 817 states and 944 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) [2021-11-03 04:30:24,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:26,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:26,965 INFO L93 Difference]: Finished difference Result 817 states and 944 transitions. [2021-11-03 04:30:26,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:30:26,965 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 [2021-11-03 04:30:26,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:26,968 INFO L225 Difference]: With dead ends: 817 [2021-11-03 04:30:26,968 INFO L226 Difference]: Without dead ends: 813 [2021-11-03 04:30:26,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.63ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:26,968 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 904 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3529.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.54ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3942.91ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:26,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [904 Valid, 28 Invalid, 1827 Unknown, 0 Unchecked, 4.54ms Time], IncrementalHoareTripleChecker [2 Valid, 1824 Invalid, 1 Unknown, 0 Unchecked, 3942.91ms Time] [2021-11-03 04:30:26,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2021-11-03 04:30:27,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 813. [2021-11-03 04:30:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 772 states have (on average 1.1994818652849741) internal successors, (926), 802 states have internal predecessors, (926), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-03 04:30:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 940 transitions. [2021-11-03 04:30:27,006 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 940 transitions. Word has length 63 [2021-11-03 04:30:27,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:27,007 INFO L470 AbstractCegarLoop]: Abstraction has 813 states and 940 transitions. [2021-11-03 04:30:27,007 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) [2021-11-03 04:30:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 940 transitions. [2021-11-03 04:30:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-03 04:30:27,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:27,008 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] [2021-11-03 04:30:27,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-03 04:30:27,008 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:27,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:27,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1485567505, now seen corresponding path program 1 times [2021-11-03 04:30:27,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:27,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3853053] [2021-11-03 04:30:27,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:27,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:27,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:27,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3853053] [2021-11-03 04:30:27,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3853053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:27,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:27,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:30:27,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434192350] [2021-11-03 04:30:27,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:27,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:27,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:27,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:27,138 INFO L87 Difference]: Start difference. First operand 813 states and 940 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) [2021-11-03 04:30:29,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:32,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:32,129 INFO L93 Difference]: Finished difference Result 1476 states and 1717 transitions. [2021-11-03 04:30:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:30:32,131 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 [2021-11-03 04:30:32,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:32,135 INFO L225 Difference]: With dead ends: 1476 [2021-11-03 04:30:32,135 INFO L226 Difference]: Without dead ends: 1472 [2021-11-03 04:30:32,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.22ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:32,136 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 900 mSDsluCounter, 1691 mSDsCounter, 0 mSdLazyCounter, 2593 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4256.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 2598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.31ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2593 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4848.47ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:32,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 63 Invalid, 2598 Unknown, 0 Unchecked, 9.31ms Time], IncrementalHoareTripleChecker [4 Valid, 2593 Invalid, 1 Unknown, 0 Unchecked, 4848.47ms Time] [2021-11-03 04:30:32,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2021-11-03 04:30:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1404. [2021-11-03 04:30:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1352 states have (on average 1.2085798816568047) internal successors, (1634), 1383 states have internal predecessors, (1634), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (21), 14 states have call predecessors, (21), 14 states have call successors, (21) [2021-11-03 04:30:32,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1669 transitions. [2021-11-03 04:30:32,211 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1669 transitions. Word has length 65 [2021-11-03 04:30:32,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:32,211 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 1669 transitions. [2021-11-03 04:30:32,211 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) [2021-11-03 04:30:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1669 transitions. [2021-11-03 04:30:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-03 04:30:32,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:32,212 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] [2021-11-03 04:30:32,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-03 04:30:32,212 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:32,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:32,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1701049741, now seen corresponding path program 1 times [2021-11-03 04:30:32,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:32,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076544257] [2021-11-03 04:30:32,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:32,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:32,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:32,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076544257] [2021-11-03 04:30:32,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076544257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:32,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:32,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:30:32,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457597014] [2021-11-03 04:30:32,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:32,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:32,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:32,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:32,288 INFO L87 Difference]: Start difference. First operand 1404 states and 1669 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) [2021-11-03 04:30:34,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:36,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:36,405 INFO L93 Difference]: Finished difference Result 1404 states and 1669 transitions. [2021-11-03 04:30:36,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:30:36,405 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 [2021-11-03 04:30:36,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:36,409 INFO L225 Difference]: With dead ends: 1404 [2021-11-03 04:30:36,409 INFO L226 Difference]: Without dead ends: 1400 [2021-11-03 04:30:36,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:36,410 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 880 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3508.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.62ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3981.68ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:36,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [880 Valid, 28 Invalid, 1835 Unknown, 0 Unchecked, 7.62ms Time], IncrementalHoareTripleChecker [2 Valid, 1832 Invalid, 1 Unknown, 0 Unchecked, 3981.68ms Time] [2021-11-03 04:30:36,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2021-11-03 04:30:36,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1400. [2021-11-03 04:30:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1350 states have (on average 1.2074074074074075) internal successors, (1630), 1379 states have internal predecessors, (1630), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (21), 14 states have call predecessors, (21), 14 states have call successors, (21) [2021-11-03 04:30:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1665 transitions. [2021-11-03 04:30:36,517 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1665 transitions. Word has length 67 [2021-11-03 04:30:36,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:36,517 INFO L470 AbstractCegarLoop]: Abstraction has 1400 states and 1665 transitions. [2021-11-03 04:30:36,517 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) [2021-11-03 04:30:36,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1665 transitions. [2021-11-03 04:30:36,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-03 04:30:36,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:36,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:36,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-03 04:30:36,518 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:36,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:36,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1673919319, now seen corresponding path program 1 times [2021-11-03 04:30:36,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:36,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903762263] [2021-11-03 04:30:36,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:36,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:36,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:36,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903762263] [2021-11-03 04:30:36,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903762263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:36,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:36,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:30:36,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651820384] [2021-11-03 04:30:36,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:36,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:36,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:36,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:36,597 INFO L87 Difference]: Start difference. First operand 1400 states and 1665 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) [2021-11-03 04:30:38,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:41,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:41,794 INFO L93 Difference]: Finished difference Result 2690 states and 3226 transitions. [2021-11-03 04:30:41,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:30:41,794 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 [2021-11-03 04:30:41,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:41,802 INFO L225 Difference]: With dead ends: 2690 [2021-11-03 04:30:41,802 INFO L226 Difference]: Without dead ends: 2598 [2021-11-03 04:30:41,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.53ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:41,804 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 862 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 2772 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4378.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 2775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.16ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2772 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4979.86ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:41,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [862 Valid, 63 Invalid, 2775 Unknown, 0 Unchecked, 8.16ms Time], IncrementalHoareTripleChecker [2 Valid, 2772 Invalid, 1 Unknown, 0 Unchecked, 4979.86ms Time] [2021-11-03 04:30:41,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2021-11-03 04:30:41,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2538. [2021-11-03 04:30:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2538 states, 2466 states have (on average 1.2173560421735605) internal successors, (3002), 2497 states have internal predecessors, (3002), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (63), 28 states have call predecessors, (63), 28 states have call successors, (63) [2021-11-03 04:30:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 3093 transitions. [2021-11-03 04:30:41,938 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 3093 transitions. Word has length 69 [2021-11-03 04:30:41,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:41,938 INFO L470 AbstractCegarLoop]: Abstraction has 2538 states and 3093 transitions. [2021-11-03 04:30:41,938 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) [2021-11-03 04:30:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3093 transitions. [2021-11-03 04:30:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-03 04:30:41,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:41,939 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] [2021-11-03 04:30:41,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-03 04:30:41,940 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:41,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:41,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1667949682, now seen corresponding path program 1 times [2021-11-03 04:30:41,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:41,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736356145] [2021-11-03 04:30:41,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:41,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:42,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:42,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736356145] [2021-11-03 04:30:42,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736356145] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:42,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:42,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 04:30:42,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497550636] [2021-11-03 04:30:42,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:30:42,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:42,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:30:42,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:42,133 INFO L87 Difference]: Start difference. First operand 2538 states and 3093 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 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) [2021-11-03 04:30:44,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:48,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:48,106 INFO L93 Difference]: Finished difference Result 5952 states and 7236 transitions. [2021-11-03 04:30:48,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:30:48,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 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 [2021-11-03 04:30:48,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:48,120 INFO L225 Difference]: With dead ends: 5952 [2021-11-03 04:30:48,121 INFO L226 Difference]: Without dead ends: 4393 [2021-11-03 04:30:48,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.50ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:30:48,125 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 1140 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 4043 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4990.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 4052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.52ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 4043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5602.26ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:48,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 71 Invalid, 4052 Unknown, 0 Unchecked, 10.52ms Time], IncrementalHoareTripleChecker [8 Valid, 4043 Invalid, 1 Unknown, 0 Unchecked, 5602.26ms Time] [2021-11-03 04:30:48,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2021-11-03 04:30:48,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 2550. [2021-11-03 04:30:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 2478 states have (on average 1.2163034705407587) internal successors, (3014), 2509 states have internal predecessors, (3014), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (63), 28 states have call predecessors, (63), 28 states have call successors, (63) [2021-11-03 04:30:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3105 transitions. [2021-11-03 04:30:48,313 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3105 transitions. Word has length 69 [2021-11-03 04:30:48,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:48,313 INFO L470 AbstractCegarLoop]: Abstraction has 2550 states and 3105 transitions. [2021-11-03 04:30:48,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 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) [2021-11-03 04:30:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3105 transitions. [2021-11-03 04:30:48,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-03 04:30:48,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:48,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:48,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-03 04:30:48,315 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:48,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:48,316 INFO L85 PathProgramCache]: Analyzing trace with hash -968353009, now seen corresponding path program 1 times [2021-11-03 04:30:48,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:48,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764092200] [2021-11-03 04:30:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:48,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:48,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:48,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764092200] [2021-11-03 04:30:48,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764092200] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:48,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:48,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:30:48,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864141214] [2021-11-03 04:30:48,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:48,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:48,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:48,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:48,425 INFO L87 Difference]: Start difference. First operand 2550 states and 3105 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:50,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:52,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:52,828 INFO L93 Difference]: Finished difference Result 3101 states and 3723 transitions. [2021-11-03 04:30:52,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:30:52,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-03 04:30:52,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:52,837 INFO L225 Difference]: With dead ends: 3101 [2021-11-03 04:30:52,837 INFO L226 Difference]: Without dead ends: 3095 [2021-11-03 04:30:52,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.40ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:52,839 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 1033 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 1972 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3700.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.90ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1972 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4136.29ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:52,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1033 Valid, 31 Invalid, 1985 Unknown, 0 Unchecked, 5.90ms Time], IncrementalHoareTripleChecker [12 Valid, 1972 Invalid, 1 Unknown, 0 Unchecked, 4136.29ms Time] [2021-11-03 04:30:52,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2021-11-03 04:30:53,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 2544. [2021-11-03 04:30:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2475 states have (on average 1.2117171717171717) internal successors, (2999), 2503 states have internal predecessors, (2999), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (63), 28 states have call predecessors, (63), 28 states have call successors, (63) [2021-11-03 04:30:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3090 transitions. [2021-11-03 04:30:53,024 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3090 transitions. Word has length 74 [2021-11-03 04:30:53,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:53,024 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 3090 transitions. [2021-11-03 04:30:53,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3090 transitions. [2021-11-03 04:30:53,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-03 04:30:53,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:53,025 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] [2021-11-03 04:30:53,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-03 04:30:53,027 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:53,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:53,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1922884671, now seen corresponding path program 1 times [2021-11-03 04:30:53,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:53,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570247142] [2021-11-03 04:30:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:53,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:53,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:53,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570247142] [2021-11-03 04:30:53,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570247142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:53,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:53,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:30:53,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444513602] [2021-11-03 04:30:53,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:30:53,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:53,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:30:53,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:30:53,150 INFO L87 Difference]: Start difference. First operand 2544 states and 3090 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:55,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:30:56,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:56,801 INFO L93 Difference]: Finished difference Result 4548 states and 5543 transitions. [2021-11-03 04:30:56,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:30:56,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2021-11-03 04:30:56,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:56,807 INFO L225 Difference]: With dead ends: 4548 [2021-11-03 04:30:56,807 INFO L226 Difference]: Without dead ends: 2542 [2021-11-03 04:30:56,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:30:56,811 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 845 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3075.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.91ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3451.91ms IncrementalHoareTripleChecker+Time [2021-11-03 04:30:56,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [845 Valid, 14 Invalid, 971 Unknown, 0 Unchecked, 1.91ms Time], IncrementalHoareTripleChecker [2 Valid, 968 Invalid, 1 Unknown, 0 Unchecked, 3451.91ms Time] [2021-11-03 04:30:56,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2021-11-03 04:30:57,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2538. [2021-11-03 04:30:57,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2538 states, 2470 states have (on average 1.2089068825910931) internal successors, (2986), 2497 states have internal predecessors, (2986), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (63), 28 states have call predecessors, (63), 28 states have call successors, (63) [2021-11-03 04:30:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 3077 transitions. [2021-11-03 04:30:57,031 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 3077 transitions. Word has length 76 [2021-11-03 04:30:57,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:57,032 INFO L470 AbstractCegarLoop]: Abstraction has 2538 states and 3077 transitions. [2021-11-03 04:30:57,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3077 transitions. [2021-11-03 04:30:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-03 04:30:57,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:30:57,033 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:57,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-03 04:30:57,034 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:30:57,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1096592761, now seen corresponding path program 1 times [2021-11-03 04:30:57,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:30:57,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731195456] [2021-11-03 04:30:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:57,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:30:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:57,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:30:57,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731195456] [2021-11-03 04:30:57,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731195456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:57,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:57,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:30:57,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921840376] [2021-11-03 04:30:57,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:57,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:30:57,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:57,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:57,198 INFO L87 Difference]: Start difference. First operand 2538 states and 3077 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:59,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:31:02,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:02,326 INFO L93 Difference]: Finished difference Result 3473 states and 4197 transitions. [2021-11-03 04:31:02,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:31:02,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-03 04:31:02,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:02,333 INFO L225 Difference]: With dead ends: 3473 [2021-11-03 04:31:02,333 INFO L226 Difference]: Without dead ends: 3461 [2021-11-03 04:31:02,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.28ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:31:02,335 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 442 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 2988 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4151.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 3002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.71ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2988 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4816.90ms IncrementalHoareTripleChecker+Time [2021-11-03 04:31:02,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 47 Invalid, 3002 Unknown, 0 Unchecked, 6.71ms Time], IncrementalHoareTripleChecker [13 Valid, 2988 Invalid, 1 Unknown, 0 Unchecked, 4816.90ms Time] [2021-11-03 04:31:02,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3461 states. [2021-11-03 04:31:02,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3461 to 2526. [2021-11-03 04:31:02,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2526 states, 2464 states have (on average 1.1996753246753247) internal successors, (2956), 2485 states have internal predecessors, (2956), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (63), 28 states have call predecessors, (63), 28 states have call successors, (63) [2021-11-03 04:31:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 3047 transitions. [2021-11-03 04:31:02,530 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 3047 transitions. Word has length 77 [2021-11-03 04:31:02,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:02,531 INFO L470 AbstractCegarLoop]: Abstraction has 2526 states and 3047 transitions. [2021-11-03 04:31:02,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:02,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3047 transitions. [2021-11-03 04:31:02,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-03 04:31:02,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:31:02,532 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] [2021-11-03 04:31:02,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-03 04:31:02,532 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:31:02,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:02,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1942372591, now seen corresponding path program 1 times [2021-11-03 04:31:02,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:31:02,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781220447] [2021-11-03 04:31:02,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:02,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:02,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:31:02,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781220447] [2021-11-03 04:31:02,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781220447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:02,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:02,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 04:31:02,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643630244] [2021-11-03 04:31:02,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:31:02,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:31:02,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:31:02,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:31:02,631 INFO L87 Difference]: Start difference. First operand 2526 states and 3047 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:04,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:31:06,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:06,551 INFO L93 Difference]: Finished difference Result 4501 states and 5446 transitions. [2021-11-03 04:31:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:31:06,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2021-11-03 04:31:06,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:06,556 INFO L225 Difference]: With dead ends: 4501 [2021-11-03 04:31:06,556 INFO L226 Difference]: Without dead ends: 2525 [2021-11-03 04:31:06,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.46ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:31:06,560 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 2493 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3193.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.25ms SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3666.95ms IncrementalHoareTripleChecker+Time [2021-11-03 04:31:06,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2493 Valid, 14 Invalid, 1115 Unknown, 0 Unchecked, 5.25ms Time], IncrementalHoareTripleChecker [51 Valid, 1063 Invalid, 1 Unknown, 0 Unchecked, 3666.95ms Time] [2021-11-03 04:31:06,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2021-11-03 04:31:06,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2520. [2021-11-03 04:31:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 2459 states have (on average 1.1968279788531924) internal successors, (2943), 2479 states have internal predecessors, (2943), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (63), 28 states have call predecessors, (63), 28 states have call successors, (63) [2021-11-03 04:31:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3034 transitions. [2021-11-03 04:31:06,761 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3034 transitions. Word has length 79 [2021-11-03 04:31:06,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:06,761 INFO L470 AbstractCegarLoop]: Abstraction has 2520 states and 3034 transitions. [2021-11-03 04:31:06,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:06,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3034 transitions. [2021-11-03 04:31:06,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-03 04:31:06,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:31:06,763 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:06,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-03 04:31:06,763 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting yurex_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:31:06,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:06,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1881257171, now seen corresponding path program 1 times [2021-11-03 04:31:06,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:31:06,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701950959] [2021-11-03 04:31:06,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:06,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:06,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:31:06,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701950959] [2021-11-03 04:31:06,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701950959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:06,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:06,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:31:06,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486651070] [2021-11-03 04:31:06,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:31:06,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:31:06,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:31:06,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:31:06,849 INFO L87 Difference]: Start difference. First operand 2520 states and 3034 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-11-03 04:31:08,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:31:13,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:13,036 INFO L93 Difference]: Finished difference Result 5996 states and 7178 transitions. [2021-11-03 04:31:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:31:13,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 93 [2021-11-03 04:31:13,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:13,045 INFO L225 Difference]: With dead ends: 5996 [2021-11-03 04:31:13,046 INFO L226 Difference]: Without dead ends: 3993 [2021-11-03 04:31:13,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:31:13,050 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 452 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4817.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.27ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2142 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5697.63ms IncrementalHoareTripleChecker+Time [2021-11-03 04:31:13,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [454 Valid, 32 Invalid, 2144 Unknown, 0 Unchecked, 7.27ms Time], IncrementalHoareTripleChecker [1 Valid, 2142 Invalid, 1 Unknown, 0 Unchecked, 5697.63ms Time] [2021-11-03 04:31:13,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3993 states. [2021-11-03 04:31:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3993 to 2521. [2021-11-03 04:31:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 2460 states have (on average 1.1967479674796748) internal successors, (2944), 2480 states have internal predecessors, (2944), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (63), 28 states have call predecessors, (63), 28 states have call successors, (63) [2021-11-03 04:31:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3035 transitions. [2021-11-03 04:31:13,240 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3035 transitions. Word has length 93 [2021-11-03 04:31:13,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:13,240 INFO L470 AbstractCegarLoop]: Abstraction has 2521 states and 3035 transitions. [2021-11-03 04:31:13,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-11-03 04:31:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3035 transitions. [2021-11-03 04:31:13,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-03 04:31:13,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:31:13,241 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] [2021-11-03 04:31:13,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-03 04:31:13,242 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting yurex_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:31:13,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:13,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1476701203, now seen corresponding path program 1 times [2021-11-03 04:31:13,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:31:13,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128870219] [2021-11-03 04:31:13,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:13,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:13,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:31:13,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128870219] [2021-11-03 04:31:13,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128870219] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:13,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:13,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-03 04:31:13,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010201920] [2021-11-03 04:31:13,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 04:31:13,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:31:13,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 04:31:13,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:31:13,449 INFO L87 Difference]: Start difference. First operand 2521 states and 3035 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 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) [2021-11-03 04:31:15,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:31:20,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:20,659 INFO L93 Difference]: Finished difference Result 4519 states and 5502 transitions. [2021-11-03 04:31:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:31:20,659 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 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 96 [2021-11-03 04:31:20,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:20,664 INFO L225 Difference]: With dead ends: 4519 [2021-11-03 04:31:20,664 INFO L226 Difference]: Without dead ends: 2517 [2021-11-03 04:31:20,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 36.79ms TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-03 04:31:20,668 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 166 mSDsluCounter, 4297 mSDsCounter, 0 mSdLazyCounter, 5213 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6048.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 5220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.28ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6871.02ms IncrementalHoareTripleChecker+Time [2021-11-03 04:31:20,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 37 Invalid, 5220 Unknown, 0 Unchecked, 13.28ms Time], IncrementalHoareTripleChecker [6 Valid, 5213 Invalid, 1 Unknown, 0 Unchecked, 6871.02ms Time] [2021-11-03 04:31:20,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2021-11-03 04:31:20,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2517. [2021-11-03 04:31:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 2460 states have (on average 1.1951219512195121) internal successors, (2940), 2476 states have internal predecessors, (2940), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (54), 24 states have call predecessors, (54), 24 states have call successors, (54) [2021-11-03 04:31:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3018 transitions. [2021-11-03 04:31:20,854 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3018 transitions. Word has length 96 [2021-11-03 04:31:20,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:20,855 INFO L470 AbstractCegarLoop]: Abstraction has 2517 states and 3018 transitions. [2021-11-03 04:31:20,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 5 states have internal predecessors, (92), 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) [2021-11-03 04:31:20,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3018 transitions. [2021-11-03 04:31:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-03 04:31:20,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:31:20,856 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] [2021-11-03 04:31:20,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-03 04:31:20,857 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:31:20,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:20,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1892458642, now seen corresponding path program 1 times [2021-11-03 04:31:20,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:31:20,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662086287] [2021-11-03 04:31:20,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:20,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:21,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:31:21,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662086287] [2021-11-03 04:31:21,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662086287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:21,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:21,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-03 04:31:21,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125452252] [2021-11-03 04:31:21,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-03 04:31:21,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:31:21,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-03 04:31:21,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:31:21,293 INFO L87 Difference]: Start difference. First operand 2517 states and 3018 transitions. Second operand has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 15 states have internal predecessors, (92), 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) [2021-11-03 04:31:23,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:31:33,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:33,926 INFO L93 Difference]: Finished difference Result 5041 states and 6042 transitions. [2021-11-03 04:31:33,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-03 04:31:33,927 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 15 states have internal predecessors, (92), 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 95 [2021-11-03 04:31:33,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:33,931 INFO L225 Difference]: With dead ends: 5041 [2021-11-03 04:31:33,931 INFO L226 Difference]: Without dead ends: 2517 [2021-11-03 04:31:33,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 363.56ms TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2021-11-03 04:31:33,936 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 102 mSDsluCounter, 11536 mSDsCounter, 0 mSdLazyCounter, 12515 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10564.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 12530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.77ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 12515 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12013.57ms IncrementalHoareTripleChecker+Time [2021-11-03 04:31:33,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 168 Invalid, 12530 Unknown, 0 Unchecked, 26.77ms Time], IncrementalHoareTripleChecker [14 Valid, 12515 Invalid, 1 Unknown, 0 Unchecked, 12013.57ms Time] [2021-11-03 04:31:33,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2021-11-03 04:31:34,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2517. [2021-11-03 04:31:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 2460 states have (on average 1.1947154471544716) internal successors, (2939), 2476 states have internal predecessors, (2939), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (54), 24 states have call predecessors, (54), 24 states have call successors, (54) [2021-11-03 04:31:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3017 transitions. [2021-11-03 04:31:34,132 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3017 transitions. Word has length 95 [2021-11-03 04:31:34,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:34,132 INFO L470 AbstractCegarLoop]: Abstraction has 2517 states and 3017 transitions. [2021-11-03 04:31:34,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.133333333333334) internal successors, (92), 15 states have internal predecessors, (92), 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) [2021-11-03 04:31:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3017 transitions. [2021-11-03 04:31:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-03 04:31:34,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:31:34,134 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] [2021-11-03 04:31:34,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-03 04:31:34,134 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:31:34,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:34,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1121725076, now seen corresponding path program 1 times [2021-11-03 04:31:34,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:31:34,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126834564] [2021-11-03 04:31:34,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:34,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:34,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:31:34,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126834564] [2021-11-03 04:31:34,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126834564] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:34,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:34,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-03 04:31:34,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661697792] [2021-11-03 04:31:34,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:31:34,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:31:34,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:31:34,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:31:34,362 INFO L87 Difference]: Start difference. First operand 2517 states and 3017 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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) [2021-11-03 04:31:36,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:31:39,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:39,174 INFO L93 Difference]: Finished difference Result 4034 states and 4892 transitions. [2021-11-03 04:31:39,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:31:39,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 95 [2021-11-03 04:31:39,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:39,182 INFO L225 Difference]: With dead ends: 4034 [2021-11-03 04:31:39,182 INFO L226 Difference]: Without dead ends: 2515 [2021-11-03 04:31:39,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.07ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:31:39,185 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 1412 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3989.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.10ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4490.37ms IncrementalHoareTripleChecker+Time [2021-11-03 04:31:39,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1412 Valid, 30 Invalid, 1974 Unknown, 0 Unchecked, 9.10ms Time], IncrementalHoareTripleChecker [6 Valid, 1967 Invalid, 1 Unknown, 0 Unchecked, 4490.37ms Time] [2021-11-03 04:31:39,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2021-11-03 04:31:39,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2515. [2021-11-03 04:31:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 2458 states have (on average 1.19446704637917) internal successors, (2936), 2474 states have internal predecessors, (2936), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (54), 24 states have call predecessors, (54), 24 states have call successors, (54) [2021-11-03 04:31:39,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3014 transitions. [2021-11-03 04:31:39,372 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3014 transitions. Word has length 95 [2021-11-03 04:31:39,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:39,372 INFO L470 AbstractCegarLoop]: Abstraction has 2515 states and 3014 transitions. [2021-11-03 04:31:39,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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) [2021-11-03 04:31:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3014 transitions. [2021-11-03 04:31:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-03 04:31:39,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:31:39,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:39,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-03 04:31:39,373 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting yurex_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:31:39,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:39,374 INFO L85 PathProgramCache]: Analyzing trace with hash -640668632, now seen corresponding path program 1 times [2021-11-03 04:31:39,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:31:39,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000293881] [2021-11-03 04:31:39,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:39,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:39,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:39,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:31:39,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000293881] [2021-11-03 04:31:39,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000293881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:39,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:39,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:31:39,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703444618] [2021-11-03 04:31:39,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:31:39,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:31:39,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:31:39,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:31:39,513 INFO L87 Difference]: Start difference. First operand 2515 states and 3014 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:41,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:31:44,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:44,168 INFO L93 Difference]: Finished difference Result 2515 states and 3014 transitions. [2021-11-03 04:31:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:31:44,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-11-03 04:31:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:44,173 INFO L225 Difference]: With dead ends: 2515 [2021-11-03 04:31:44,174 INFO L226 Difference]: Without dead ends: 2513 [2021-11-03 04:31:44,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.05ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:31:44,175 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 669 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3774.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.49ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4375.87ms IncrementalHoareTripleChecker+Time [2021-11-03 04:31:44,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 23 Invalid, 1910 Unknown, 0 Unchecked, 5.49ms Time], IncrementalHoareTripleChecker [10 Valid, 1899 Invalid, 1 Unknown, 0 Unchecked, 4375.87ms Time] [2021-11-03 04:31:44,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2513 states. [2021-11-03 04:31:44,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2513 to 2513. [2021-11-03 04:31:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2513 states, 2457 states have (on average 1.192918192918193) internal successors, (2931), 2472 states have internal predecessors, (2931), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (54), 24 states have call predecessors, (54), 24 states have call successors, (54) [2021-11-03 04:31:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2513 states and 3009 transitions. [2021-11-03 04:31:44,361 INFO L78 Accepts]: Start accepts. Automaton has 2513 states and 3009 transitions. Word has length 102 [2021-11-03 04:31:44,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:44,361 INFO L470 AbstractCegarLoop]: Abstraction has 2513 states and 3009 transitions. [2021-11-03 04:31:44,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3009 transitions. [2021-11-03 04:31:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-03 04:31:44,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:31:44,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:44,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-03 04:31:44,363 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:31:44,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1741142518, now seen corresponding path program 1 times [2021-11-03 04:31:44,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:31:44,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847093132] [2021-11-03 04:31:44,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:44,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:44,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:31:44,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847093132] [2021-11-03 04:31:44,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847093132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:44,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:44,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-03 04:31:44,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007043419] [2021-11-03 04:31:44,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:31:44,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:31:44,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:31:44,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:31:44,566 INFO L87 Difference]: Start difference. First operand 2513 states and 3009 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 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) [2021-11-03 04:31:46,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:31:53,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:53,765 INFO L93 Difference]: Finished difference Result 6312 states and 7514 transitions. [2021-11-03 04:31:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:31:53,766 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 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 106 [2021-11-03 04:31:53,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:53,775 INFO L225 Difference]: With dead ends: 6312 [2021-11-03 04:31:53,776 INFO L226 Difference]: Without dead ends: 3875 [2021-11-03 04:31:53,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 111.06ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-03 04:31:53,781 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 2733 mSDsluCounter, 5346 mSDsCounter, 0 mSdLazyCounter, 6313 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7391.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2733 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 6326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.64ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 6313 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8575.23ms IncrementalHoareTripleChecker+Time [2021-11-03 04:31:53,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2733 Valid, 86 Invalid, 6326 Unknown, 0 Unchecked, 17.64ms Time], IncrementalHoareTripleChecker [12 Valid, 6313 Invalid, 1 Unknown, 0 Unchecked, 8575.23ms Time] [2021-11-03 04:31:53,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3875 states. [2021-11-03 04:31:54,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3875 to 2519. [2021-11-03 04:31:54,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 2463 states have (on average 1.1924482338611448) internal successors, (2937), 2478 states have internal predecessors, (2937), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (54), 24 states have call predecessors, (54), 24 states have call successors, (54) [2021-11-03 04:31:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3015 transitions. [2021-11-03 04:31:54,115 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3015 transitions. Word has length 106 [2021-11-03 04:31:54,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:54,115 INFO L470 AbstractCegarLoop]: Abstraction has 2519 states and 3015 transitions. [2021-11-03 04:31:54,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 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) [2021-11-03 04:31:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3015 transitions. [2021-11-03 04:31:54,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-03 04:31:54,116 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:31:54,117 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:54,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-03 04:31:54,117 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting yurex_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:31:54,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:54,117 INFO L85 PathProgramCache]: Analyzing trace with hash 682223971, now seen corresponding path program 1 times [2021-11-03 04:31:54,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:31:54,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282429632] [2021-11-03 04:31:54,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:54,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:54,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:31:54,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282429632] [2021-11-03 04:31:54,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282429632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:54,230 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:54,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:31:54,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416919243] [2021-11-03 04:31:54,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:31:54,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:31:54,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:31:54,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:31:54,231 INFO L87 Difference]: Start difference. First operand 2519 states and 3015 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:56,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:31:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:59,602 INFO L93 Difference]: Finished difference Result 2519 states and 3015 transitions. [2021-11-03 04:31:59,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:31:59,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-03 04:31:59,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:59,606 INFO L225 Difference]: With dead ends: 2519 [2021-11-03 04:31:59,606 INFO L226 Difference]: Without dead ends: 2517 [2021-11-03 04:31:59,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.32ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:31:59,607 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 135 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4283.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.77ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5025.96ms IncrementalHoareTripleChecker+Time [2021-11-03 04:31:59,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 35 Invalid, 2522 Unknown, 0 Unchecked, 6.77ms Time], IncrementalHoareTripleChecker [3 Valid, 2518 Invalid, 1 Unknown, 0 Unchecked, 5025.96ms Time] [2021-11-03 04:31:59,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2021-11-03 04:31:59,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2517. [2021-11-03 04:31:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 2462 states have (on average 1.190901705930138) internal successors, (2932), 2476 states have internal predecessors, (2932), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (54), 24 states have call predecessors, (54), 24 states have call successors, (54) [2021-11-03 04:31:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3010 transitions. [2021-11-03 04:31:59,844 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3010 transitions. Word has length 105 [2021-11-03 04:31:59,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:59,844 INFO L470 AbstractCegarLoop]: Abstraction has 2517 states and 3010 transitions. [2021-11-03 04:31:59,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3010 transitions. [2021-11-03 04:31:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-03 04:31:59,845 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:31:59,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:59,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-03 04:31:59,846 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:31:59,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:59,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1376735614, now seen corresponding path program 1 times [2021-11-03 04:31:59,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:31:59,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425090321] [2021-11-03 04:31:59,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:59,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:59,884 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 04:31:59,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [248782320] [2021-11-03 04:31:59,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:59,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:59,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 04:31:59,886 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) [2021-11-03 04:31:59,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 04:32:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:32:01,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 2172 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-03 04:32:01,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:32:02,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:32:02,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-03 04:32:02,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:32:02,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425090321] [2021-11-03 04:32:02,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:32:02,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248782320] [2021-11-03 04:32:02,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248782320] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:32:02,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:32:02,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-03 04:32:02,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645646845] [2021-11-03 04:32:02,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 04:32:02,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:32:02,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 04:32:02,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:32:02,116 INFO L87 Difference]: Start difference. First operand 2517 states and 3010 transitions. Second operand has 7 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 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) [2021-11-03 04:32:04,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:32:10,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:32:10,067 INFO L93 Difference]: Finished difference Result 4511 states and 5454 transitions. [2021-11-03 04:32:10,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:32:10,068 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 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 112 [2021-11-03 04:32:10,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:32:10,073 INFO L225 Difference]: With dead ends: 4511 [2021-11-03 04:32:10,073 INFO L226 Difference]: Without dead ends: 2517 [2021-11-03 04:32:10,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 58.99ms TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:32:10,077 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 31 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5298 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6566.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 5305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.79ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5298 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7528.02ms IncrementalHoareTripleChecker+Time [2021-11-03 04:32:10,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 42 Invalid, 5305 Unknown, 0 Unchecked, 12.79ms Time], IncrementalHoareTripleChecker [6 Valid, 5298 Invalid, 1 Unknown, 0 Unchecked, 7528.02ms Time] [2021-11-03 04:32:10,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2021-11-03 04:32:10,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2517. [2021-11-03 04:32:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 2462 states have (on average 1.18927701056052) internal successors, (2928), 2476 states have internal predecessors, (2928), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (54), 24 states have call predecessors, (54), 24 states have call successors, (54) [2021-11-03 04:32:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3006 transitions. [2021-11-03 04:32:10,329 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3006 transitions. Word has length 112 [2021-11-03 04:32:10,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:32:10,329 INFO L470 AbstractCegarLoop]: Abstraction has 2517 states and 3006 transitions. [2021-11-03 04:32:10,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.166666666666668) internal successors, (109), 5 states have internal predecessors, (109), 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) [2021-11-03 04:32:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3006 transitions. [2021-11-03 04:32:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-03 04:32:10,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:32:10,331 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:32:10,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:32:10,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-11-03 04:32:10,543 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-03 04:32:10,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:32:10,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1611773819, now seen corresponding path program 1 times [2021-11-03 04:32:10,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:32:10,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471958279] [2021-11-03 04:32:10,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:32:10,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:32:10,599 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 04:32:10,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133573317] [2021-11-03 04:32:10,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:32:10,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:32:10,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 04:32:10,601 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) [2021-11-03 04:32:10,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process Killed by 15