./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--net--usb--kaweth.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.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 f0d35ad3183ac446cae7457c51fa9452f8942f4b349e6e40633392db1dd8aa97 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 20:23:15,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 20:23:15,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 20:23:15,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 20:23:15,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 20:23:15,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 20:23:15,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 20:23:15,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 20:23:15,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 20:23:15,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 20:23:15,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 20:23:15,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 20:23:15,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 20:23:15,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 20:23:15,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 20:23:15,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 20:23:15,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 20:23:15,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 20:23:15,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 20:23:15,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 20:23:15,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 20:23:15,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 20:23:15,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 20:23:15,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 20:23:15,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 20:23:15,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 20:23:15,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 20:23:15,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 20:23:15,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 20:23:15,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 20:23:15,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 20:23:15,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 20:23:15,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 20:23:15,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 20:23:15,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 20:23:15,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 20:23:15,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 20:23:15,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 20:23:15,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 20:23:15,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 20:23:15,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 20:23:15,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 20:23:15,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 20:23:15,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 20:23:15,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 20:23:15,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 20:23:15,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 20:23:15,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 20:23:15,383 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 20:23:15,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 20:23:15,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 20:23:15,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 20:23:15,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 20:23:15,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 20:23:15,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 20:23:15,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 20:23:15,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 20:23:15,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 20:23:15,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 20:23:15,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 20:23:15,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 20:23:15,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:23:15,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 20:23:15,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 20:23:15,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 20:23:15,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 20:23:15,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 20:23:15,387 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 20:23:15,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 20:23:15,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 20:23:15,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 20:23:15,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d35ad3183ac446cae7457c51fa9452f8942f4b349e6e40633392db1dd8aa97 [2021-11-07 20:23:15,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 20:23:15,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 20:23:15,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 20:23:15,603 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 20:23:15,607 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 20:23:15,608 INFO L432 ainManager$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--net--usb--kaweth.ko.cil.i [2021-11-07 20:23:15,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dab1be0f/ca864f0ed71b4a11a4561113348f6da1/FLAG85bd9d527 [2021-11-07 20:23:16,298 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 20:23:16,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i [2021-11-07 20:23:16,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dab1be0f/ca864f0ed71b4a11a4561113348f6da1/FLAG85bd9d527 [2021-11-07 20:23:16,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dab1be0f/ca864f0ed71b4a11a4561113348f6da1 [2021-11-07 20:23:16,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 20:23:16,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 20:23:16,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 20:23:16,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 20:23:16,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 20:23:16,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:16" (1/1) ... [2021-11-07 20:23:16,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d99ac27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:16, skipping insertion in model container [2021-11-07 20:23:16,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:23:16" (1/1) ... [2021-11-07 20:23:16,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 20:23:16,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 20:23:18,802 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385539,385552] [2021-11-07 20:23:18,804 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385684,385697] [2021-11-07 20:23:18,805 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385830,385843] [2021-11-07 20:23:18,805 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385995,386008] [2021-11-07 20:23:18,805 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386153,386166] [2021-11-07 20:23:18,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386311,386324] [2021-11-07 20:23:18,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386469,386482] [2021-11-07 20:23:18,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386629,386642] [2021-11-07 20:23:18,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386788,386801] [2021-11-07 20:23:18,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386927,386940] [2021-11-07 20:23:18,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387069,387082] [2021-11-07 20:23:18,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387218,387231] [2021-11-07 20:23:18,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387357,387370] [2021-11-07 20:23:18,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387512,387525] [2021-11-07 20:23:18,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387672,387685] [2021-11-07 20:23:18,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387823,387836] [2021-11-07 20:23:18,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387974,387987] [2021-11-07 20:23:18,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388126,388139] [2021-11-07 20:23:18,826 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388275,388288] [2021-11-07 20:23:18,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388423,388436] [2021-11-07 20:23:18,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388580,388593] [2021-11-07 20:23:18,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388729,388742] [2021-11-07 20:23:18,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388885,388898] [2021-11-07 20:23:18,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389038,389051] [2021-11-07 20:23:18,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389184,389197] [2021-11-07 20:23:18,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389327,389340] [2021-11-07 20:23:18,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389479,389492] [2021-11-07 20:23:18,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389625,389638] [2021-11-07 20:23:18,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389770,389783] [2021-11-07 20:23:18,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389924,389937] [2021-11-07 20:23:18,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390075,390088] [2021-11-07 20:23:18,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390230,390243] [2021-11-07 20:23:18,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390382,390395] [2021-11-07 20:23:18,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390537,390550] [2021-11-07 20:23:18,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390701,390714] [2021-11-07 20:23:18,832 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390857,390870] [2021-11-07 20:23:18,832 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391021,391034] [2021-11-07 20:23:18,832 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391163,391176] [2021-11-07 20:23:18,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391321,391334] [2021-11-07 20:23:18,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391488,391501] [2021-11-07 20:23:18,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391647,391660] [2021-11-07 20:23:18,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391806,391819] [2021-11-07 20:23:18,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391955,391968] [2021-11-07 20:23:18,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392102,392115] [2021-11-07 20:23:18,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392241,392254] [2021-11-07 20:23:18,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392404,392417] [2021-11-07 20:23:18,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392570,392583] [2021-11-07 20:23:18,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392734,392747] [2021-11-07 20:23:18,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392899,392912] [2021-11-07 20:23:18,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393064,393077] [2021-11-07 20:23:18,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393230,393243] [2021-11-07 20:23:18,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393395,393408] [2021-11-07 20:23:18,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393562,393575] [2021-11-07 20:23:18,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393722,393735] [2021-11-07 20:23:18,838 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393884,393897] [2021-11-07 20:23:18,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394043,394056] [2021-11-07 20:23:18,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394189,394202] [2021-11-07 20:23:18,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394332,394345] [2021-11-07 20:23:18,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394476,394489] [2021-11-07 20:23:18,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394619,394632] [2021-11-07 20:23:18,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394763,394776] [2021-11-07 20:23:18,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394904,394917] [2021-11-07 20:23:18,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395042,395055] [2021-11-07 20:23:18,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395200,395213] [2021-11-07 20:23:18,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395359,395372] [2021-11-07 20:23:18,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395515,395528] [2021-11-07 20:23:18,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395664,395677] [2021-11-07 20:23:18,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395816,395829] [2021-11-07 20:23:18,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395967,395980] [2021-11-07 20:23:18,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396116,396129] [2021-11-07 20:23:18,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396268,396281] [2021-11-07 20:23:18,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396416,396429] [2021-11-07 20:23:18,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396569,396582] [2021-11-07 20:23:18,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396720,396733] [2021-11-07 20:23:18,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396870,396883] [2021-11-07 20:23:18,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397017,397030] [2021-11-07 20:23:18,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397168,397181] [2021-11-07 20:23:18,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397319,397332] [2021-11-07 20:23:18,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397467,397480] [2021-11-07 20:23:18,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397633,397646] [2021-11-07 20:23:18,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397802,397815] [2021-11-07 20:23:18,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397969,397982] [2021-11-07 20:23:18,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398137,398150] [2021-11-07 20:23:18,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398287,398300] [2021-11-07 20:23:18,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398434,398447] [2021-11-07 20:23:18,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398595,398608] [2021-11-07 20:23:18,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398765,398778] [2021-11-07 20:23:18,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398927,398940] [2021-11-07 20:23:18,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:23:18,893 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 20:23:19,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385539,385552] [2021-11-07 20:23:19,131 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385684,385697] [2021-11-07 20:23:19,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385830,385843] [2021-11-07 20:23:19,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[385995,386008] [2021-11-07 20:23:19,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386153,386166] [2021-11-07 20:23:19,135 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386311,386324] [2021-11-07 20:23:19,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386469,386482] [2021-11-07 20:23:19,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386629,386642] [2021-11-07 20:23:19,137 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386788,386801] [2021-11-07 20:23:19,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[386927,386940] [2021-11-07 20:23:19,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387069,387082] [2021-11-07 20:23:19,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387218,387231] [2021-11-07 20:23:19,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387357,387370] [2021-11-07 20:23:19,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387512,387525] [2021-11-07 20:23:19,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387672,387685] [2021-11-07 20:23:19,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387823,387836] [2021-11-07 20:23:19,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[387974,387987] [2021-11-07 20:23:19,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388126,388139] [2021-11-07 20:23:19,140 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388275,388288] [2021-11-07 20:23:19,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388423,388436] [2021-11-07 20:23:19,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388580,388593] [2021-11-07 20:23:19,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388729,388742] [2021-11-07 20:23:19,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[388885,388898] [2021-11-07 20:23:19,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389038,389051] [2021-11-07 20:23:19,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389184,389197] [2021-11-07 20:23:19,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389327,389340] [2021-11-07 20:23:19,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389479,389492] [2021-11-07 20:23:19,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389625,389638] [2021-11-07 20:23:19,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389770,389783] [2021-11-07 20:23:19,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[389924,389937] [2021-11-07 20:23:19,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390075,390088] [2021-11-07 20:23:19,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390230,390243] [2021-11-07 20:23:19,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390382,390395] [2021-11-07 20:23:19,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390537,390550] [2021-11-07 20:23:19,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390701,390714] [2021-11-07 20:23:19,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[390857,390870] [2021-11-07 20:23:19,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391021,391034] [2021-11-07 20:23:19,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391163,391176] [2021-11-07 20:23:19,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391321,391334] [2021-11-07 20:23:19,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391488,391501] [2021-11-07 20:23:19,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391647,391660] [2021-11-07 20:23:19,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391806,391819] [2021-11-07 20:23:19,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[391955,391968] [2021-11-07 20:23:19,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392102,392115] [2021-11-07 20:23:19,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392241,392254] [2021-11-07 20:23:19,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392404,392417] [2021-11-07 20:23:19,149 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392570,392583] [2021-11-07 20:23:19,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392734,392747] [2021-11-07 20:23:19,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[392899,392912] [2021-11-07 20:23:19,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393064,393077] [2021-11-07 20:23:19,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393230,393243] [2021-11-07 20:23:19,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393395,393408] [2021-11-07 20:23:19,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393562,393575] [2021-11-07 20:23:19,151 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393722,393735] [2021-11-07 20:23:19,152 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[393884,393897] [2021-11-07 20:23:19,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394043,394056] [2021-11-07 20:23:19,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394189,394202] [2021-11-07 20:23:19,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394332,394345] [2021-11-07 20:23:19,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394476,394489] [2021-11-07 20:23:19,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394619,394632] [2021-11-07 20:23:19,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394763,394776] [2021-11-07 20:23:19,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[394904,394917] [2021-11-07 20:23:19,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395042,395055] [2021-11-07 20:23:19,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395200,395213] [2021-11-07 20:23:19,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395359,395372] [2021-11-07 20:23:19,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395515,395528] [2021-11-07 20:23:19,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395664,395677] [2021-11-07 20:23:19,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395816,395829] [2021-11-07 20:23:19,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[395967,395980] [2021-11-07 20:23:19,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396116,396129] [2021-11-07 20:23:19,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396268,396281] [2021-11-07 20:23:19,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396416,396429] [2021-11-07 20:23:19,164 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396569,396582] [2021-11-07 20:23:19,164 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396720,396733] [2021-11-07 20:23:19,167 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[396870,396883] [2021-11-07 20:23:19,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397017,397030] [2021-11-07 20:23:19,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397168,397181] [2021-11-07 20:23:19,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397319,397332] [2021-11-07 20:23:19,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397467,397480] [2021-11-07 20:23:19,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397633,397646] [2021-11-07 20:23:19,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397802,397815] [2021-11-07 20:23:19,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[397969,397982] [2021-11-07 20:23:19,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398137,398150] [2021-11-07 20:23:19,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398287,398300] [2021-11-07 20:23:19,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398434,398447] [2021-11-07 20:23:19,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398595,398608] [2021-11-07 20:23:19,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398765,398778] [2021-11-07 20:23:19,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i[398927,398940] [2021-11-07 20:23:19,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:23:19,328 INFO L208 MainTranslator]: Completed translation [2021-11-07 20:23:19,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19 WrapperNode [2021-11-07 20:23:19,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 20:23:19,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 20:23:19,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 20:23:19,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 20:23:19,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:19,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:19,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 20:23:19,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 20:23:19,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 20:23:19,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 20:23:19,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:19,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:19,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:19,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:20,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:20,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:20,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:20,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 20:23:20,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 20:23:20,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 20:23:20,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 20:23:20,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (1/1) ... [2021-11-07 20:23:20,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:23:20,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:23:20,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 20:23:20,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 20:23:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 20:23:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 20:23:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 20:23:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 20:23:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 20:23:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 20:23:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 20:23:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 20:23:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 20:23:20,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 20:23:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 20:23:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 20:23:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 20:23:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 20:23:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 20:23:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 20:23:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-07 20:23:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 20:23:48,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L9169: #t~ret986 := main_#res; [2021-11-07 20:23:48,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_11_returnLabel: main_#res := 0; [2021-11-07 20:23:48,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 20:23:48,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 20:23:48,368 INFO L299 CfgBuilder]: Removed 3145 assume(true) statements. [2021-11-07 20:23:48,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:48 BoogieIcfgContainer [2021-11-07 20:23:48,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 20:23:48,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 20:23:48,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 20:23:48,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 20:23:48,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:23:16" (1/3) ... [2021-11-07 20:23:48,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1f0d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:48, skipping insertion in model container [2021-11-07 20:23:48,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:23:19" (2/3) ... [2021-11-07 20:23:48,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1f0d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:23:48, skipping insertion in model container [2021-11-07 20:23:48,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:23:48" (3/3) ... [2021-11-07 20:23:48,378 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--usb--kaweth.ko.cil.i [2021-11-07 20:23:48,384 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 20:23:48,384 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 209 error locations. [2021-11-07 20:23:48,438 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 20:23:48,443 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 20:23:48,443 INFO L340 AbstractCegarLoop]: Starting to check reachability of 209 error locations. [2021-11-07 20:23:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 3008 states, 2799 states have (on average 1.4219364058592354) internal successors, (3980), 3007 states have internal predecessors, (3980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 20:23:48,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:48,494 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:48,494 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr167ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:48,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:48,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1015889784, now seen corresponding path program 1 times [2021-11-07 20:23:48,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:48,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544167777] [2021-11-07 20:23:48,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:48,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:49,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:49,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544167777] [2021-11-07 20:23:49,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544167777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:49,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:49,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:49,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789842370] [2021-11-07 20:23:49,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:49,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:49,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:49,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:49,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:49,145 INFO L87 Difference]: Start difference. First operand has 3008 states, 2799 states have (on average 1.4219364058592354) internal successors, (3980), 3007 states have internal predecessors, (3980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:49,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:49,434 INFO L93 Difference]: Finished difference Result 5845 states and 7733 transitions. [2021-11-07 20:23:49,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:49,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 20:23:49,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:49,459 INFO L225 Difference]: With dead ends: 5845 [2021-11-07 20:23:49,459 INFO L226 Difference]: Without dead ends: 2836 [2021-11-07 20:23:49,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.27ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:49,469 INFO L933 BasicCegarLoop]: 3661 mSDtfsCounter, 3803 mSDsluCounter, 3499 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3803 SdHoareTripleChecker+Valid, 7160 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.46ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.58ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:49,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3803 Valid, 7160 Invalid, 6 Unknown, 0 Unchecked, 34.46ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.58ms Time] [2021-11-07 20:23:49,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2836 states. [2021-11-07 20:23:49,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2836 to 2836. [2021-11-07 20:23:49,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2629 states have (on average 1.292126283758083) internal successors, (3397), 2835 states have internal predecessors, (3397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 3397 transitions. [2021-11-07 20:23:49,580 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 3397 transitions. Word has length 29 [2021-11-07 20:23:49,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:49,580 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 3397 transitions. [2021-11-07 20:23:49,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3397 transitions. [2021-11-07 20:23:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 20:23:49,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:49,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:49,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 20:23:49,583 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr168ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:49,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:49,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1312104596, now seen corresponding path program 1 times [2021-11-07 20:23:49,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:49,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471177808] [2021-11-07 20:23:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:49,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:49,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:49,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471177808] [2021-11-07 20:23:49,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471177808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:49,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:49,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:49,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214692197] [2021-11-07 20:23:49,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:49,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:49,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:49,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:49,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:49,951 INFO L87 Difference]: Start difference. First operand 2836 states and 3397 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:50,032 INFO L93 Difference]: Finished difference Result 2836 states and 3397 transitions. [2021-11-07 20:23:50,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:50,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 20:23:50,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:50,039 INFO L225 Difference]: With dead ends: 2836 [2021-11-07 20:23:50,039 INFO L226 Difference]: Without dead ends: 2832 [2021-11-07 20:23:50,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:50,040 INFO L933 BasicCegarLoop]: 3389 mSDtfsCounter, 3517 mSDsluCounter, 3239 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3517 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.31ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.77ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:50,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3517 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 9.31ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 15.77ms Time] [2021-11-07 20:23:50,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2021-11-07 20:23:50,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2832. [2021-11-07 20:23:50,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 2627 states have (on average 1.2915873620098972) internal successors, (3393), 2831 states have internal predecessors, (3393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 3393 transitions. [2021-11-07 20:23:50,085 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 3393 transitions. Word has length 31 [2021-11-07 20:23:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:50,086 INFO L470 AbstractCegarLoop]: Abstraction has 2832 states and 3393 transitions. [2021-11-07 20:23:50,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3393 transitions. [2021-11-07 20:23:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 20:23:50,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:50,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:50,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 20:23:50,087 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr169ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:50,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:50,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1788270256, now seen corresponding path program 1 times [2021-11-07 20:23:50,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:50,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111299566] [2021-11-07 20:23:50,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:50,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:50,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:50,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111299566] [2021-11-07 20:23:50,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111299566] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:50,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:50,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:50,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003473689] [2021-11-07 20:23:50,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:50,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:50,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:50,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:50,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:50,290 INFO L87 Difference]: Start difference. First operand 2832 states and 3393 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:50,369 INFO L93 Difference]: Finished difference Result 2832 states and 3393 transitions. [2021-11-07 20:23:50,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:50,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 20:23:50,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:50,376 INFO L225 Difference]: With dead ends: 2832 [2021-11-07 20:23:50,376 INFO L226 Difference]: Without dead ends: 2828 [2021-11-07 20:23:50,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.44ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:50,377 INFO L933 BasicCegarLoop]: 3385 mSDtfsCounter, 3503 mSDsluCounter, 3243 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3503 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.86ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.63ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:50,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3503 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 8.86ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.63ms Time] [2021-11-07 20:23:50,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2021-11-07 20:23:50,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2021-11-07 20:23:50,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2625 states have (on average 1.291047619047619) internal successors, (3389), 2827 states have internal predecessors, (3389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3389 transitions. [2021-11-07 20:23:50,426 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3389 transitions. Word has length 33 [2021-11-07 20:23:50,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:50,426 INFO L470 AbstractCegarLoop]: Abstraction has 2828 states and 3389 transitions. [2021-11-07 20:23:50,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3389 transitions. [2021-11-07 20:23:50,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 20:23:50,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:50,428 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:50,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 20:23:50,428 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr170ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:50,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:50,428 INFO L85 PathProgramCache]: Analyzing trace with hash 541199956, now seen corresponding path program 1 times [2021-11-07 20:23:50,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:50,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397648556] [2021-11-07 20:23:50,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:50,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:50,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:50,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397648556] [2021-11-07 20:23:50,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397648556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:50,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:50,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:50,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763297325] [2021-11-07 20:23:50,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:50,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:50,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:50,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:50,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:50,689 INFO L87 Difference]: Start difference. First operand 2828 states and 3389 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:50,770 INFO L93 Difference]: Finished difference Result 2828 states and 3389 transitions. [2021-11-07 20:23:50,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:50,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 20:23:50,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:50,777 INFO L225 Difference]: With dead ends: 2828 [2021-11-07 20:23:50,778 INFO L226 Difference]: Without dead ends: 2824 [2021-11-07 20:23:50,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.23ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:50,782 INFO L933 BasicCegarLoop]: 3381 mSDtfsCounter, 3489 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3489 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.94ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.86ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:50,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3489 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 7.94ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 13.86ms Time] [2021-11-07 20:23:50,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2021-11-07 20:23:50,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2824. [2021-11-07 20:23:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2623 states have (on average 1.2905070529927565) internal successors, (3385), 2823 states have internal predecessors, (3385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 3385 transitions. [2021-11-07 20:23:50,831 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 3385 transitions. Word has length 35 [2021-11-07 20:23:50,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:50,832 INFO L470 AbstractCegarLoop]: Abstraction has 2824 states and 3385 transitions. [2021-11-07 20:23:50,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 3385 transitions. [2021-11-07 20:23:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 20:23:50,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:50,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:50,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 20:23:50,834 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr171ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:50,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash 402517592, now seen corresponding path program 1 times [2021-11-07 20:23:50,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:50,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453820474] [2021-11-07 20:23:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:50,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:51,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:51,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453820474] [2021-11-07 20:23:51,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453820474] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:51,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:51,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:51,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575845615] [2021-11-07 20:23:51,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:51,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:51,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:51,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:51,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:51,037 INFO L87 Difference]: Start difference. First operand 2824 states and 3385 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:51,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:51,181 INFO L93 Difference]: Finished difference Result 2824 states and 3385 transitions. [2021-11-07 20:23:51,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:51,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 20:23:51,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:51,189 INFO L225 Difference]: With dead ends: 2824 [2021-11-07 20:23:51,189 INFO L226 Difference]: Without dead ends: 2820 [2021-11-07 20:23:51,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.97ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:51,190 INFO L933 BasicCegarLoop]: 3377 mSDtfsCounter, 3475 mSDsluCounter, 3251 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3475 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.51ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.56ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:51,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3475 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 7.51ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 13.56ms Time] [2021-11-07 20:23:51,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2820 states. [2021-11-07 20:23:51,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2820 to 2820. [2021-11-07 20:23:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2820 states, 2621 states have (on average 1.2899656619610835) internal successors, (3381), 2819 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2820 states and 3381 transitions. [2021-11-07 20:23:51,247 INFO L78 Accepts]: Start accepts. Automaton has 2820 states and 3381 transitions. Word has length 37 [2021-11-07 20:23:51,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:51,247 INFO L470 AbstractCegarLoop]: Abstraction has 2820 states and 3381 transitions. [2021-11-07 20:23:51,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:51,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3381 transitions. [2021-11-07 20:23:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 20:23:51,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:51,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:51,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 20:23:51,251 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr172ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash 272752316, now seen corresponding path program 1 times [2021-11-07 20:23:51,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:51,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430680545] [2021-11-07 20:23:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:51,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:51,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:51,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430680545] [2021-11-07 20:23:51,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430680545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:51,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:51,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:51,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288931422] [2021-11-07 20:23:51,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:51,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:51,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:51,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:51,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:51,442 INFO L87 Difference]: Start difference. First operand 2820 states and 3381 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:51,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:51,526 INFO L93 Difference]: Finished difference Result 2820 states and 3381 transitions. [2021-11-07 20:23:51,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:51,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-07 20:23:51,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:51,533 INFO L225 Difference]: With dead ends: 2820 [2021-11-07 20:23:51,533 INFO L226 Difference]: Without dead ends: 2816 [2021-11-07 20:23:51,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:51,534 INFO L933 BasicCegarLoop]: 3373 mSDtfsCounter, 3461 mSDsluCounter, 3255 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3461 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.87ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.63ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:51,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3461 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 8.87ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.63ms Time] [2021-11-07 20:23:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2021-11-07 20:23:51,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2816. [2021-11-07 20:23:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2816 states, 2619 states have (on average 1.2894234440626193) internal successors, (3377), 2815 states have internal predecessors, (3377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2816 states and 3377 transitions. [2021-11-07 20:23:51,592 INFO L78 Accepts]: Start accepts. Automaton has 2816 states and 3377 transitions. Word has length 39 [2021-11-07 20:23:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:51,593 INFO L470 AbstractCegarLoop]: Abstraction has 2816 states and 3377 transitions. [2021-11-07 20:23:51,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3377 transitions. [2021-11-07 20:23:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 20:23:51,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:51,595 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:51,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 20:23:51,595 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr173ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:51,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:51,596 INFO L85 PathProgramCache]: Analyzing trace with hash 122374016, now seen corresponding path program 1 times [2021-11-07 20:23:51,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:51,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757569375] [2021-11-07 20:23:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:51,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:51,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:51,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757569375] [2021-11-07 20:23:51,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757569375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:51,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:51,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:51,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30253291] [2021-11-07 20:23:51,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:51,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:51,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:51,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:51,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:51,790 INFO L87 Difference]: Start difference. First operand 2816 states and 3377 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:51,879 INFO L93 Difference]: Finished difference Result 2816 states and 3377 transitions. [2021-11-07 20:23:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:51,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 20:23:51,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:51,885 INFO L225 Difference]: With dead ends: 2816 [2021-11-07 20:23:51,885 INFO L226 Difference]: Without dead ends: 2812 [2021-11-07 20:23:51,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.40ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:51,887 INFO L933 BasicCegarLoop]: 3369 mSDtfsCounter, 3447 mSDsluCounter, 3259 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3447 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.60ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.63ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:51,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3447 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 7.60ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.63ms Time] [2021-11-07 20:23:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2021-11-07 20:23:51,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2812. [2021-11-07 20:23:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2812 states, 2617 states have (on average 1.288880397401605) internal successors, (3373), 2811 states have internal predecessors, (3373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 3373 transitions. [2021-11-07 20:23:51,941 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 3373 transitions. Word has length 41 [2021-11-07 20:23:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:51,941 INFO L470 AbstractCegarLoop]: Abstraction has 2812 states and 3373 transitions. [2021-11-07 20:23:51,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3373 transitions. [2021-11-07 20:23:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 20:23:51,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:51,942 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:51,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 20:23:51,943 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr174ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:51,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:51,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1637716132, now seen corresponding path program 1 times [2021-11-07 20:23:51,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:51,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543617228] [2021-11-07 20:23:51,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:51,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:52,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:52,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543617228] [2021-11-07 20:23:52,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543617228] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:52,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:52,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:52,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155822936] [2021-11-07 20:23:52,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:52,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:52,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:52,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:52,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:52,168 INFO L87 Difference]: Start difference. First operand 2812 states and 3373 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:52,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:52,255 INFO L93 Difference]: Finished difference Result 2812 states and 3373 transitions. [2021-11-07 20:23:52,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:52,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-07 20:23:52,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:52,261 INFO L225 Difference]: With dead ends: 2812 [2021-11-07 20:23:52,261 INFO L226 Difference]: Without dead ends: 2808 [2021-11-07 20:23:52,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.83ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:52,262 INFO L933 BasicCegarLoop]: 3365 mSDtfsCounter, 3433 mSDsluCounter, 3263 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3433 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.67ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.40ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:52,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3433 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 7.67ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.40ms Time] [2021-11-07 20:23:52,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2808 states. [2021-11-07 20:23:52,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2808 to 2808. [2021-11-07 20:23:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2808 states, 2615 states have (on average 1.2883365200764818) internal successors, (3369), 2807 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 3369 transitions. [2021-11-07 20:23:52,320 INFO L78 Accepts]: Start accepts. Automaton has 2808 states and 3369 transitions. Word has length 43 [2021-11-07 20:23:52,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:52,321 INFO L470 AbstractCegarLoop]: Abstraction has 2808 states and 3369 transitions. [2021-11-07 20:23:52,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3369 transitions. [2021-11-07 20:23:52,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 20:23:52,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:52,321 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:52,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 20:23:52,322 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr175ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:52,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:52,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1887575623, now seen corresponding path program 1 times [2021-11-07 20:23:52,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:52,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546811758] [2021-11-07 20:23:52,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:52,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:52,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:52,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546811758] [2021-11-07 20:23:52,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546811758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:52,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:52,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:52,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246186290] [2021-11-07 20:23:52,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:52,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:52,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:52,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:52,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:52,499 INFO L87 Difference]: Start difference. First operand 2808 states and 3369 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:52,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:52,589 INFO L93 Difference]: Finished difference Result 2808 states and 3369 transitions. [2021-11-07 20:23:52,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:52,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-07 20:23:52,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:52,595 INFO L225 Difference]: With dead ends: 2808 [2021-11-07 20:23:52,595 INFO L226 Difference]: Without dead ends: 2804 [2021-11-07 20:23:52,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:52,597 INFO L933 BasicCegarLoop]: 3361 mSDtfsCounter, 3419 mSDsluCounter, 3267 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3419 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.46ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.54ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:52,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3419 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 7.46ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.54ms Time] [2021-11-07 20:23:52,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-11-07 20:23:52,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2804. [2021-11-07 20:23:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2613 states have (on average 1.28779181017987) internal successors, (3365), 2803 states have internal predecessors, (3365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 3365 transitions. [2021-11-07 20:23:52,660 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 3365 transitions. Word has length 45 [2021-11-07 20:23:52,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:52,660 INFO L470 AbstractCegarLoop]: Abstraction has 2804 states and 3365 transitions. [2021-11-07 20:23:52,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3365 transitions. [2021-11-07 20:23:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 20:23:52,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:52,661 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:52,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 20:23:52,662 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr176ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:52,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1484379211, now seen corresponding path program 1 times [2021-11-07 20:23:52,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:52,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281968779] [2021-11-07 20:23:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:52,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:52,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:52,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281968779] [2021-11-07 20:23:52,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281968779] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:52,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:52,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:52,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018989485] [2021-11-07 20:23:52,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:52,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:52,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:52,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:52,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:52,858 INFO L87 Difference]: Start difference. First operand 2804 states and 3365 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:52,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:52,990 INFO L93 Difference]: Finished difference Result 2804 states and 3365 transitions. [2021-11-07 20:23:52,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:52,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-07 20:23:52,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:53,008 INFO L225 Difference]: With dead ends: 2804 [2021-11-07 20:23:53,009 INFO L226 Difference]: Without dead ends: 2800 [2021-11-07 20:23:53,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.73ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:53,010 INFO L933 BasicCegarLoop]: 3357 mSDtfsCounter, 3405 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3405 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.83ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.28ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:53,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3405 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 6.83ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.28ms Time] [2021-11-07 20:23:53,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2800 states. [2021-11-07 20:23:53,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2800 to 2800. [2021-11-07 20:23:53,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2800 states, 2611 states have (on average 1.2872462657985446) internal successors, (3361), 2799 states have internal predecessors, (3361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 3361 transitions. [2021-11-07 20:23:53,101 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 3361 transitions. Word has length 47 [2021-11-07 20:23:53,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:53,101 INFO L470 AbstractCegarLoop]: Abstraction has 2800 states and 3361 transitions. [2021-11-07 20:23:53,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:53,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 3361 transitions. [2021-11-07 20:23:53,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 20:23:53,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:53,102 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:53,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 20:23:53,103 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr177ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:53,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:53,103 INFO L85 PathProgramCache]: Analyzing trace with hash 559684271, now seen corresponding path program 1 times [2021-11-07 20:23:53,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:53,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257784461] [2021-11-07 20:23:53,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:53,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:53,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:53,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257784461] [2021-11-07 20:23:53,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257784461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:53,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:53,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:53,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4592984] [2021-11-07 20:23:53,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:53,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:53,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:53,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:53,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:53,310 INFO L87 Difference]: Start difference. First operand 2800 states and 3361 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:53,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:53,422 INFO L93 Difference]: Finished difference Result 2800 states and 3361 transitions. [2021-11-07 20:23:53,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:53,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-07 20:23:53,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:53,426 INFO L225 Difference]: With dead ends: 2800 [2021-11-07 20:23:53,426 INFO L226 Difference]: Without dead ends: 2796 [2021-11-07 20:23:53,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.89ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:53,428 INFO L933 BasicCegarLoop]: 3353 mSDtfsCounter, 3391 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3391 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.42ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.48ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:53,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3391 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 7.42ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.48ms Time] [2021-11-07 20:23:53,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2021-11-07 20:23:53,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 2796. [2021-11-07 20:23:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2609 states have (on average 1.286699885013415) internal successors, (3357), 2795 states have internal predecessors, (3357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3357 transitions. [2021-11-07 20:23:53,498 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3357 transitions. Word has length 49 [2021-11-07 20:23:53,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:53,498 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 3357 transitions. [2021-11-07 20:23:53,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3357 transitions. [2021-11-07 20:23:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 20:23:53,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:53,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:53,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 20:23:53,499 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr178ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:53,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:53,500 INFO L85 PathProgramCache]: Analyzing trace with hash 986077555, now seen corresponding path program 1 times [2021-11-07 20:23:53,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:53,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437801419] [2021-11-07 20:23:53,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:53,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:53,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:53,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437801419] [2021-11-07 20:23:53,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437801419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:53,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:53,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:53,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511635585] [2021-11-07 20:23:53,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:53,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:53,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:53,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:53,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:53,681 INFO L87 Difference]: Start difference. First operand 2796 states and 3357 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:53,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:53,791 INFO L93 Difference]: Finished difference Result 2796 states and 3357 transitions. [2021-11-07 20:23:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:53,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 20:23:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:53,796 INFO L225 Difference]: With dead ends: 2796 [2021-11-07 20:23:53,796 INFO L226 Difference]: Without dead ends: 2792 [2021-11-07 20:23:53,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:53,797 INFO L933 BasicCegarLoop]: 3349 mSDtfsCounter, 3377 mSDsluCounter, 3279 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3377 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.39ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.69ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:53,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3377 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 7.39ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 24.69ms Time] [2021-11-07 20:23:53,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2792 states. [2021-11-07 20:23:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2792 to 2792. [2021-11-07 20:23:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 2607 states have (on average 1.2861526658995013) internal successors, (3353), 2791 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 3353 transitions. [2021-11-07 20:23:53,866 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 3353 transitions. Word has length 51 [2021-11-07 20:23:53,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:53,866 INFO L470 AbstractCegarLoop]: Abstraction has 2792 states and 3353 transitions. [2021-11-07 20:23:53,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3353 transitions. [2021-11-07 20:23:53,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 20:23:53,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:53,867 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:53,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 20:23:53,867 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr179ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:53,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:53,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1566836585, now seen corresponding path program 1 times [2021-11-07 20:23:53,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:53,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875142510] [2021-11-07 20:23:53,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:53,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:54,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:54,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875142510] [2021-11-07 20:23:54,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875142510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:54,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:54,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:54,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712928637] [2021-11-07 20:23:54,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:54,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:54,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:54,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:54,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:54,141 INFO L87 Difference]: Start difference. First operand 2792 states and 3353 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:54,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:54,244 INFO L93 Difference]: Finished difference Result 2792 states and 3353 transitions. [2021-11-07 20:23:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:54,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-07 20:23:54,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:54,251 INFO L225 Difference]: With dead ends: 2792 [2021-11-07 20:23:54,251 INFO L226 Difference]: Without dead ends: 2788 [2021-11-07 20:23:54,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.24ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:54,253 INFO L933 BasicCegarLoop]: 3345 mSDtfsCounter, 3363 mSDsluCounter, 3283 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.73ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.16ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:54,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3363 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 6.73ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.16ms Time] [2021-11-07 20:23:54,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2021-11-07 20:23:54,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788. [2021-11-07 20:23:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 2605 states have (on average 1.2856046065259117) internal successors, (3349), 2787 states have internal predecessors, (3349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3349 transitions. [2021-11-07 20:23:54,336 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3349 transitions. Word has length 53 [2021-11-07 20:23:54,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:54,336 INFO L470 AbstractCegarLoop]: Abstraction has 2788 states and 3349 transitions. [2021-11-07 20:23:54,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3349 transitions. [2021-11-07 20:23:54,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 20:23:54,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:54,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:54,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 20:23:54,338 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr180ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:54,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:54,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1803968539, now seen corresponding path program 1 times [2021-11-07 20:23:54,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:54,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735494471] [2021-11-07 20:23:54,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:54,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:54,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:54,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735494471] [2021-11-07 20:23:54,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735494471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:54,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:54,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:54,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856178010] [2021-11-07 20:23:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:54,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:54,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:54,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:54,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:54,524 INFO L87 Difference]: Start difference. First operand 2788 states and 3349 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:54,627 INFO L93 Difference]: Finished difference Result 2788 states and 3349 transitions. [2021-11-07 20:23:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:54,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-07 20:23:54,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:54,631 INFO L225 Difference]: With dead ends: 2788 [2021-11-07 20:23:54,631 INFO L226 Difference]: Without dead ends: 2784 [2021-11-07 20:23:54,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:54,632 INFO L933 BasicCegarLoop]: 3341 mSDtfsCounter, 3349 mSDsluCounter, 3287 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3349 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.41ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.39ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:54,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3349 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 6.41ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.39ms Time] [2021-11-07 20:23:54,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2021-11-07 20:23:54,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2784. [2021-11-07 20:23:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2603 states have (on average 1.2850557049558202) internal successors, (3345), 2783 states have internal predecessors, (3345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3345 transitions. [2021-11-07 20:23:54,703 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3345 transitions. Word has length 55 [2021-11-07 20:23:54,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:54,703 INFO L470 AbstractCegarLoop]: Abstraction has 2784 states and 3345 transitions. [2021-11-07 20:23:54,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3345 transitions. [2021-11-07 20:23:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 20:23:54,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:54,704 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:54,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 20:23:54,705 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr181ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:54,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:54,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1552615425, now seen corresponding path program 1 times [2021-11-07 20:23:54,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:54,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001329145] [2021-11-07 20:23:54,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:54,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:54,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:54,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001329145] [2021-11-07 20:23:54,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001329145] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:54,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:54,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:54,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596742880] [2021-11-07 20:23:54,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:54,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:54,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:54,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:54,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:54,940 INFO L87 Difference]: Start difference. First operand 2784 states and 3345 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:55,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:55,112 INFO L93 Difference]: Finished difference Result 2784 states and 3345 transitions. [2021-11-07 20:23:55,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:55,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-07 20:23:55,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:55,116 INFO L225 Difference]: With dead ends: 2784 [2021-11-07 20:23:55,116 INFO L226 Difference]: Without dead ends: 2780 [2021-11-07 20:23:55,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 66.70ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:55,119 INFO L933 BasicCegarLoop]: 3337 mSDtfsCounter, 3335 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3335 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.11ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.80ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:55,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3335 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 6.11ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 15.80ms Time] [2021-11-07 20:23:55,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2021-11-07 20:23:55,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2780. [2021-11-07 20:23:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2780 states, 2601 states have (on average 1.2845059592464436) internal successors, (3341), 2779 states have internal predecessors, (3341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 3341 transitions. [2021-11-07 20:23:55,210 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 3341 transitions. Word has length 57 [2021-11-07 20:23:55,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:55,211 INFO L470 AbstractCegarLoop]: Abstraction has 2780 states and 3341 transitions. [2021-11-07 20:23:55,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3341 transitions. [2021-11-07 20:23:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 20:23:55,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:55,212 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] [2021-11-07 20:23:55,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 20:23:55,212 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr182ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:55,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1709365181, now seen corresponding path program 1 times [2021-11-07 20:23:55,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:55,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247666279] [2021-11-07 20:23:55,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:55,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:55,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:55,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247666279] [2021-11-07 20:23:55,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247666279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:55,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:55,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:55,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701715028] [2021-11-07 20:23:55,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:55,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:55,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:55,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:55,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:55,587 INFO L87 Difference]: Start difference. First operand 2780 states and 3341 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:55,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:55,703 INFO L93 Difference]: Finished difference Result 2780 states and 3341 transitions. [2021-11-07 20:23:55,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:55,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-07 20:23:55,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:55,707 INFO L225 Difference]: With dead ends: 2780 [2021-11-07 20:23:55,707 INFO L226 Difference]: Without dead ends: 2776 [2021-11-07 20:23:55,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.21ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:55,708 INFO L933 BasicCegarLoop]: 3333 mSDtfsCounter, 3321 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.45ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.34ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:55,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3321 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 5.45ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 14.34ms Time] [2021-11-07 20:23:55,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2021-11-07 20:23:55,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2776. [2021-11-07 20:23:55,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2599 states have (on average 1.283955367449019) internal successors, (3337), 2775 states have internal predecessors, (3337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3337 transitions. [2021-11-07 20:23:55,787 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3337 transitions. Word has length 59 [2021-11-07 20:23:55,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:55,787 INFO L470 AbstractCegarLoop]: Abstraction has 2776 states and 3337 transitions. [2021-11-07 20:23:55,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3337 transitions. [2021-11-07 20:23:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 20:23:55,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:55,788 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:55,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 20:23:55,788 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr183ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:55,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:55,789 INFO L85 PathProgramCache]: Analyzing trace with hash -2022024985, now seen corresponding path program 1 times [2021-11-07 20:23:55,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:55,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827191043] [2021-11-07 20:23:55,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:55,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:56,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:56,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827191043] [2021-11-07 20:23:56,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827191043] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:56,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:56,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:56,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475786116] [2021-11-07 20:23:56,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:56,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:56,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:56,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:56,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:56,008 INFO L87 Difference]: Start difference. First operand 2776 states and 3337 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:56,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:56,186 INFO L93 Difference]: Finished difference Result 2776 states and 3337 transitions. [2021-11-07 20:23:56,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:56,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-07 20:23:56,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:56,190 INFO L225 Difference]: With dead ends: 2776 [2021-11-07 20:23:56,191 INFO L226 Difference]: Without dead ends: 2772 [2021-11-07 20:23:56,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.47ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:56,191 INFO L933 BasicCegarLoop]: 3329 mSDtfsCounter, 3307 mSDsluCounter, 3299 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3307 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.85ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.66ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:56,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3307 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 5.85ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 13.66ms Time] [2021-11-07 20:23:56,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2021-11-07 20:23:56,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 2772. [2021-11-07 20:23:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2597 states have (on average 1.2834039276087794) internal successors, (3333), 2771 states have internal predecessors, (3333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3333 transitions. [2021-11-07 20:23:56,274 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3333 transitions. Word has length 61 [2021-11-07 20:23:56,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:56,275 INFO L470 AbstractCegarLoop]: Abstraction has 2772 states and 3333 transitions. [2021-11-07 20:23:56,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3333 transitions. [2021-11-07 20:23:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 20:23:56,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:56,276 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:56,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 20:23:56,276 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr184ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:56,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:56,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1840385557, now seen corresponding path program 1 times [2021-11-07 20:23:56,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:56,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935249559] [2021-11-07 20:23:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:56,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:56,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:56,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935249559] [2021-11-07 20:23:56,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935249559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:56,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:56,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:56,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299797860] [2021-11-07 20:23:56,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:56,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:56,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:56,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:56,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:56,486 INFO L87 Difference]: Start difference. First operand 2772 states and 3333 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:56,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:56,607 INFO L93 Difference]: Finished difference Result 2772 states and 3333 transitions. [2021-11-07 20:23:56,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:56,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-07 20:23:56,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:56,612 INFO L225 Difference]: With dead ends: 2772 [2021-11-07 20:23:56,612 INFO L226 Difference]: Without dead ends: 2768 [2021-11-07 20:23:56,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.76ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:56,613 INFO L933 BasicCegarLoop]: 3325 mSDtfsCounter, 3293 mSDsluCounter, 3303 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3293 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.70ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.66ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:56,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3293 Valid, 6628 Invalid, 6 Unknown, 0 Unchecked, 5.70ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 13.66ms Time] [2021-11-07 20:23:56,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2021-11-07 20:23:56,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2768. [2021-11-07 20:23:56,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 2595 states have (on average 1.2828516377649326) internal successors, (3329), 2767 states have internal predecessors, (3329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 3329 transitions. [2021-11-07 20:23:56,700 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 3329 transitions. Word has length 63 [2021-11-07 20:23:56,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:56,700 INFO L470 AbstractCegarLoop]: Abstraction has 2768 states and 3329 transitions. [2021-11-07 20:23:56,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:56,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3329 transitions. [2021-11-07 20:23:56,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 20:23:56,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:56,701 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:56,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 20:23:56,701 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr185ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:56,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:56,702 INFO L85 PathProgramCache]: Analyzing trace with hash 916413263, now seen corresponding path program 1 times [2021-11-07 20:23:56,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:56,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167425302] [2021-11-07 20:23:56,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:56,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:56,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:56,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167425302] [2021-11-07 20:23:56,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167425302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:56,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:56,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:56,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078547146] [2021-11-07 20:23:56,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:56,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:56,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:56,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:56,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:56,919 INFO L87 Difference]: Start difference. First operand 2768 states and 3329 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:57,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:57,315 INFO L93 Difference]: Finished difference Result 4215 states and 5041 transitions. [2021-11-07 20:23:57,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:23:57,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-07 20:23:57,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:57,322 INFO L225 Difference]: With dead ends: 4215 [2021-11-07 20:23:57,322 INFO L226 Difference]: Without dead ends: 4211 [2021-11-07 20:23:57,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.89ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:57,323 INFO L933 BasicCegarLoop]: 3315 mSDtfsCounter, 3287 mSDsluCounter, 5000 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3287 SdHoareTripleChecker+Valid, 8315 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.47ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 119.53ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:57,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3287 Valid, 8315 Invalid, 44 Unknown, 0 Unchecked, 11.47ms Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 119.53ms Time] [2021-11-07 20:23:57,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4211 states. [2021-11-07 20:23:57,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4211 to 4013. [2021-11-07 20:23:57,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4013 states, 3840 states have (on average 1.2822916666666666) internal successors, (4924), 4012 states have internal predecessors, (4924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4013 states to 4013 states and 4924 transitions. [2021-11-07 20:23:57,519 INFO L78 Accepts]: Start accepts. Automaton has 4013 states and 4924 transitions. Word has length 65 [2021-11-07 20:23:57,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:57,519 INFO L470 AbstractCegarLoop]: Abstraction has 4013 states and 4924 transitions. [2021-11-07 20:23:57,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 4013 states and 4924 transitions. [2021-11-07 20:23:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 20:23:57,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:57,520 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:57,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 20:23:57,520 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr186ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:57,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:57,521 INFO L85 PathProgramCache]: Analyzing trace with hash 205258003, now seen corresponding path program 1 times [2021-11-07 20:23:57,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:57,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455005960] [2021-11-07 20:23:57,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:57,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:57,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:57,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455005960] [2021-11-07 20:23:57,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455005960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:57,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:57,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:57,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805312241] [2021-11-07 20:23:57,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:57,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:57,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:57,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:57,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:57,709 INFO L87 Difference]: Start difference. First operand 4013 states and 4924 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:57,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:57,869 INFO L93 Difference]: Finished difference Result 4013 states and 4924 transitions. [2021-11-07 20:23:57,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:57,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-07 20:23:57,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:57,875 INFO L225 Difference]: With dead ends: 4013 [2021-11-07 20:23:57,875 INFO L226 Difference]: Without dead ends: 4009 [2021-11-07 20:23:57,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.07ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:57,876 INFO L933 BasicCegarLoop]: 3321 mSDtfsCounter, 3269 mSDsluCounter, 3315 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 6636 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.68ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.44ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:57,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3269 Valid, 6636 Invalid, 6 Unknown, 0 Unchecked, 6.68ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.44ms Time] [2021-11-07 20:23:57,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4009 states. [2021-11-07 20:23:58,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4009 to 4009. [2021-11-07 20:23:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4009 states, 3838 states have (on average 1.2819176654507556) internal successors, (4920), 4008 states have internal predecessors, (4920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 4009 states and 4920 transitions. [2021-11-07 20:23:58,015 INFO L78 Accepts]: Start accepts. Automaton has 4009 states and 4920 transitions. Word has length 67 [2021-11-07 20:23:58,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:58,015 INFO L470 AbstractCegarLoop]: Abstraction has 4009 states and 4920 transitions. [2021-11-07 20:23:58,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states and 4920 transitions. [2021-11-07 20:23:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-07 20:23:58,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:58,016 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:58,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 20:23:58,016 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr187ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:58,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:58,017 INFO L85 PathProgramCache]: Analyzing trace with hash -315146441, now seen corresponding path program 1 times [2021-11-07 20:23:58,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:58,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294949625] [2021-11-07 20:23:58,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:58,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:58,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:58,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:58,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294949625] [2021-11-07 20:23:58,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294949625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:58,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:58,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:58,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314268385] [2021-11-07 20:23:58,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:58,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:23:58,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:58,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:23:58,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:23:58,277 INFO L87 Difference]: Start difference. First operand 4009 states and 4920 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:59,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:59,206 INFO L93 Difference]: Finished difference Result 7787 states and 9565 transitions. [2021-11-07 20:23:59,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:23:59,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-07 20:23:59,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:59,220 INFO L225 Difference]: With dead ends: 7787 [2021-11-07 20:23:59,220 INFO L226 Difference]: Without dead ends: 7649 [2021-11-07 20:23:59,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.18ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:23:59,223 INFO L933 BasicCegarLoop]: 3243 mSDtfsCounter, 3207 mSDsluCounter, 6211 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 579.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3207 SdHoareTripleChecker+Valid, 9454 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.44ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 622.81ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:59,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3207 Valid, 9454 Invalid, 250 Unknown, 0 Unchecked, 13.44ms Time], IncrementalHoareTripleChecker [2 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 622.81ms Time] [2021-11-07 20:23:59,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7649 states. [2021-11-07 20:23:59,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7649 to 7231. [2021-11-07 20:23:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7231 states, 7060 states have (on average 1.291501416430595) internal successors, (9118), 7230 states have internal predecessors, (9118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:59,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7231 states to 7231 states and 9118 transitions. [2021-11-07 20:23:59,552 INFO L78 Accepts]: Start accepts. Automaton has 7231 states and 9118 transitions. Word has length 69 [2021-11-07 20:23:59,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:59,552 INFO L470 AbstractCegarLoop]: Abstraction has 7231 states and 9118 transitions. [2021-11-07 20:23:59,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 7231 states and 9118 transitions. [2021-11-07 20:23:59,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-07 20:23:59,553 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:59,553 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] [2021-11-07 20:23:59,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 20:23:59,553 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:23:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:59,554 INFO L85 PathProgramCache]: Analyzing trace with hash 320593294, now seen corresponding path program 1 times [2021-11-07 20:23:59,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:59,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025570771] [2021-11-07 20:23:59,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:59,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:23:59,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:59,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025570771] [2021-11-07 20:23:59,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025570771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:59,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:23:59,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:23:59,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096174597] [2021-11-07 20:23:59,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:59,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:23:59,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:59,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:23:59,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:23:59,793 INFO L87 Difference]: Start difference. First operand 7231 states and 9118 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:00,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:24:00,200 INFO L93 Difference]: Finished difference Result 12029 states and 15136 transitions. [2021-11-07 20:24:00,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:24:00,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-11-07 20:24:00,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:24:00,214 INFO L225 Difference]: With dead ends: 12029 [2021-11-07 20:24:00,214 INFO L226 Difference]: Without dead ends: 9043 [2021-11-07 20:24:00,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.54ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:24:00,220 INFO L933 BasicCegarLoop]: 3900 mSDtfsCounter, 3290 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 4519 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.71ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.07ms IncrementalHoareTripleChecker+Time [2021-11-07 20:24:00,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3290 Valid, 4519 Invalid, 8 Unknown, 0 Unchecked, 4.71ms Time], IncrementalHoareTripleChecker [4 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 84.07ms Time] [2021-11-07 20:24:00,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9043 states. [2021-11-07 20:24:00,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9043 to 8975. [2021-11-07 20:24:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8975 states, 8804 states have (on average 1.295320308950477) internal successors, (11404), 8974 states have internal predecessors, (11404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8975 states to 8975 states and 11404 transitions. [2021-11-07 20:24:00,630 INFO L78 Accepts]: Start accepts. Automaton has 8975 states and 11404 transitions. Word has length 72 [2021-11-07 20:24:00,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:24:00,630 INFO L470 AbstractCegarLoop]: Abstraction has 8975 states and 11404 transitions. [2021-11-07 20:24:00,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:00,631 INFO L276 IsEmpty]: Start isEmpty. Operand 8975 states and 11404 transitions. [2021-11-07 20:24:00,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 20:24:00,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:24:00,631 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:24:00,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 20:24:00,631 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:24:00,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:24:00,632 INFO L85 PathProgramCache]: Analyzing trace with hash -881730005, now seen corresponding path program 1 times [2021-11-07 20:24:00,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:24:00,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598649131] [2021-11-07 20:24:00,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:24:00,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:24:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:24:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:24:00,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:24:00,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598649131] [2021-11-07 20:24:00,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598649131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:24:00,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:24:00,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:24:00,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238098908] [2021-11-07 20:24:00,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:24:00,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:24:00,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:24:00,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:24:00,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:24:00,889 INFO L87 Difference]: Start difference. First operand 8975 states and 11404 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:01,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:24:01,515 INFO L93 Difference]: Finished difference Result 12057 states and 15156 transitions. [2021-11-07 20:24:01,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:24:01,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-07 20:24:01,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:24:01,528 INFO L225 Difference]: With dead ends: 12057 [2021-11-07 20:24:01,528 INFO L226 Difference]: Without dead ends: 9089 [2021-11-07 20:24:01,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 105.73ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:24:01,533 INFO L933 BasicCegarLoop]: 3937 mSDtfsCounter, 9944 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9944 SdHoareTripleChecker+Valid, 5257 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.74ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.78ms IncrementalHoareTripleChecker+Time [2021-11-07 20:24:01,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9944 Valid, 5257 Invalid, 29 Unknown, 0 Unchecked, 9.74ms Time], IncrementalHoareTripleChecker [16 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 113.78ms Time] [2021-11-07 20:24:01,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9089 states. [2021-11-07 20:24:01,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9089 to 8969. [2021-11-07 20:24:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8969 states, 8799 states have (on average 1.2945789294237982) internal successors, (11391), 8968 states have internal predecessors, (11391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:01,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8969 states to 8969 states and 11391 transitions. [2021-11-07 20:24:01,958 INFO L78 Accepts]: Start accepts. Automaton has 8969 states and 11391 transitions. Word has length 75 [2021-11-07 20:24:01,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:24:01,958 INFO L470 AbstractCegarLoop]: Abstraction has 8969 states and 11391 transitions. [2021-11-07 20:24:01,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:01,959 INFO L276 IsEmpty]: Start isEmpty. Operand 8969 states and 11391 transitions. [2021-11-07 20:24:01,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-07 20:24:01,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:24:01,961 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:24:01,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 20:24:01,962 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:24:01,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:24:01,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2070520521, now seen corresponding path program 1 times [2021-11-07 20:24:01,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:24:01,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977548537] [2021-11-07 20:24:01,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:24:01,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:24:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:24:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:24:02,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:24:02,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977548537] [2021-11-07 20:24:02,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977548537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:24:02,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:24:02,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:24:02,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780414335] [2021-11-07 20:24:02,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:24:02,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:24:02,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:24:02,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:24:02,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:24:02,346 INFO L87 Difference]: Start difference. First operand 8969 states and 11391 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:03,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:24:03,061 INFO L93 Difference]: Finished difference Result 19317 states and 24408 transitions. [2021-11-07 20:24:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:24:03,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-11-07 20:24:03,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:24:03,077 INFO L225 Difference]: With dead ends: 19317 [2021-11-07 20:24:03,077 INFO L226 Difference]: Without dead ends: 10426 [2021-11-07 20:24:03,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 123.25ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:24:03,089 INFO L933 BasicCegarLoop]: 3316 mSDtfsCounter, 3042 mSDsluCounter, 9935 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 13251 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.29ms IncrementalHoareTripleChecker+Time [2021-11-07 20:24:03,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3042 Valid, 13251 Invalid, 21 Unknown, 0 Unchecked, 13.15ms Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 87.29ms Time] [2021-11-07 20:24:03,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10426 states. [2021-11-07 20:24:03,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10426 to 8972. [2021-11-07 20:24:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8972 states, 8802 states have (on average 1.294478527607362) internal successors, (11394), 8971 states have internal predecessors, (11394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 11394 transitions. [2021-11-07 20:24:03,524 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 11394 transitions. Word has length 90 [2021-11-07 20:24:03,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:24:03,525 INFO L470 AbstractCegarLoop]: Abstraction has 8972 states and 11394 transitions. [2021-11-07 20:24:03,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 11394 transitions. [2021-11-07 20:24:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 20:24:03,526 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:24:03,526 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] [2021-11-07 20:24:03,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 20:24:03,526 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:24:03,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:24:03,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1238873483, now seen corresponding path program 1 times [2021-11-07 20:24:03,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:24:03,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009715575] [2021-11-07 20:24:03,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:24:03,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:24:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:24:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:24:03,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:24:03,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009715575] [2021-11-07 20:24:03,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009715575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:24:03,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:24:03,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:24:03,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362959326] [2021-11-07 20:24:03,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:24:03,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:24:03,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:24:03,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:24:03,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:24:03,893 INFO L87 Difference]: Start difference. First operand 8972 states and 11394 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:04,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:24:04,342 INFO L93 Difference]: Finished difference Result 17853 states and 22686 transitions. [2021-11-07 20:24:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:24:04,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2021-11-07 20:24:04,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:24:04,363 INFO L225 Difference]: With dead ends: 17853 [2021-11-07 20:24:04,363 INFO L226 Difference]: Without dead ends: 8976 [2021-11-07 20:24:04,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.92ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:24:04,375 INFO L933 BasicCegarLoop]: 3317 mSDtfsCounter, 2 mSDsluCounter, 6628 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9945 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.86ms IncrementalHoareTripleChecker+Time [2021-11-07 20:24:04,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 9945 Invalid, 10 Unknown, 0 Unchecked, 6.38ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 59.86ms Time] [2021-11-07 20:24:04,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8976 states. [2021-11-07 20:24:04,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8976 to 8974. [2021-11-07 20:24:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8974 states, 8804 states have (on average 1.2944116310767833) internal successors, (11396), 8973 states have internal predecessors, (11396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8974 states to 8974 states and 11396 transitions. [2021-11-07 20:24:04,821 INFO L78 Accepts]: Start accepts. Automaton has 8974 states and 11396 transitions. Word has length 96 [2021-11-07 20:24:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:24:04,822 INFO L470 AbstractCegarLoop]: Abstraction has 8974 states and 11396 transitions. [2021-11-07 20:24:04,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 8974 states and 11396 transitions. [2021-11-07 20:24:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-07 20:24:04,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:24:04,823 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:24:04,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 20:24:04,823 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:24:04,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:24:04,823 INFO L85 PathProgramCache]: Analyzing trace with hash -903561490, now seen corresponding path program 1 times [2021-11-07 20:24:04,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:24:04,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272841337] [2021-11-07 20:24:04,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:24:04,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:24:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:24:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:24:05,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:24:05,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272841337] [2021-11-07 20:24:05,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272841337] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:24:05,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467674375] [2021-11-07 20:24:05,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:24:05,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:24:05,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:24:05,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:24:05,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 20:24:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:24:06,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 4476 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 20:24:06,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:24:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 20:24:06,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:24:06,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467674375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:24:06,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 20:24:06,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-07 20:24:06,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987790992] [2021-11-07 20:24:06,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:24:06,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:24:06,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:24:06,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:24:06,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-07 20:24:06,924 INFO L87 Difference]: Start difference. First operand 8974 states and 11396 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:08,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:24:08,412 INFO L93 Difference]: Finished difference Result 17941 states and 22784 transitions. [2021-11-07 20:24:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:24:08,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 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 99 [2021-11-07 20:24:08,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:24:08,455 INFO L225 Difference]: With dead ends: 17941 [2021-11-07 20:24:08,456 INFO L226 Difference]: Without dead ends: 8974 [2021-11-07 20:24:08,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 214.93ms TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-07 20:24:08,479 INFO L933 BasicCegarLoop]: 3316 mSDtfsCounter, 4 mSDsluCounter, 9687 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 759.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13003 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 881.15ms IncrementalHoareTripleChecker+Time [2021-11-07 20:24:08,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 13003 Invalid, 268 Unknown, 0 Unchecked, 10.03ms Time], IncrementalHoareTripleChecker [0 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 881.15ms Time] [2021-11-07 20:24:08,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8974 states. [2021-11-07 20:24:08,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8974 to 8974. [2021-11-07 20:24:08,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8974 states, 8804 states have (on average 1.2942980463425715) internal successors, (11395), 8973 states have internal predecessors, (11395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8974 states to 8974 states and 11395 transitions. [2021-11-07 20:24:09,033 INFO L78 Accepts]: Start accepts. Automaton has 8974 states and 11395 transitions. Word has length 99 [2021-11-07 20:24:09,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:24:09,033 INFO L470 AbstractCegarLoop]: Abstraction has 8974 states and 11395 transitions. [2021-11-07 20:24:09,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:09,034 INFO L276 IsEmpty]: Start isEmpty. Operand 8974 states and 11395 transitions. [2021-11-07 20:24:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-07 20:24:09,035 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:24:09,035 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:24:09,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 20:24:09,255 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,SelfDestructingSolverStorable25 [2021-11-07 20:24:09,255 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:24:09,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:24:09,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1787070480, now seen corresponding path program 1 times [2021-11-07 20:24:09,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:24:09,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708063058] [2021-11-07 20:24:09,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:24:09,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:24:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:24:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:24:09,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:24:09,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708063058] [2021-11-07 20:24:09,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708063058] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:24:09,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281384026] [2021-11-07 20:24:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:24:09,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:24:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:24:09,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:24:09,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 20:26:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:26:34,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 4474 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 20:26:34,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:26:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:26:34,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 20:26:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:26:35,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281384026] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 20:26:35,262 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 20:26:35,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2021-11-07 20:26:35,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765328764] [2021-11-07 20:26:35,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 20:26:35,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 20:26:35,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:26:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 20:26:35,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-07 20:26:35,263 INFO L87 Difference]: Start difference. First operand 8974 states and 11395 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:36,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:26:36,080 INFO L93 Difference]: Finished difference Result 17860 states and 22694 transitions. [2021-11-07 20:26:36,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:26:36,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 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 99 [2021-11-07 20:26:36,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:26:36,096 INFO L225 Difference]: With dead ends: 17860 [2021-11-07 20:26:36,097 INFO L226 Difference]: Without dead ends: 8983 [2021-11-07 20:26:36,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 364.52ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-11-07 20:26:36,106 INFO L933 BasicCegarLoop]: 3316 mSDtfsCounter, 16 mSDsluCounter, 9943 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 13259 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.46ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.67ms IncrementalHoareTripleChecker+Time [2021-11-07 20:26:36,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 13259 Invalid, 31 Unknown, 0 Unchecked, 7.46ms Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 120.67ms Time] [2021-11-07 20:26:36,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8983 states. [2021-11-07 20:26:36,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8983 to 8983. [2021-11-07 20:26:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8983 states, 8813 states have (on average 1.293997503687734) internal successors, (11404), 8982 states have internal predecessors, (11404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8983 states to 8983 states and 11404 transitions. [2021-11-07 20:26:36,525 INFO L78 Accepts]: Start accepts. Automaton has 8983 states and 11404 transitions. Word has length 99 [2021-11-07 20:26:36,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:26:36,525 INFO L470 AbstractCegarLoop]: Abstraction has 8983 states and 11404 transitions. [2021-11-07 20:26:36,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 9 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 8983 states and 11404 transitions. [2021-11-07 20:26:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-07 20:26:36,526 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:26:36,526 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:26:36,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 20:26:36,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-07 20:26:36,751 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:26:36,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:26:36,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1460258606, now seen corresponding path program 1 times [2021-11-07 20:26:36,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:26:36,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755808754] [2021-11-07 20:26:36,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:26:36,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:26:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:26:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:26:36,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:26:36,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755808754] [2021-11-07 20:26:36,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755808754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:26:36,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:26:36,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:26:36,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046983288] [2021-11-07 20:26:36,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:26:36,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:26:36,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:26:36,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:26:36,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:26:36,995 INFO L87 Difference]: Start difference. First operand 8983 states and 11404 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:37,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:26:37,727 INFO L93 Difference]: Finished difference Result 11873 states and 15008 transitions. [2021-11-07 20:26:37,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:26:37,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-11-07 20:26:37,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:26:37,757 INFO L225 Difference]: With dead ends: 11873 [2021-11-07 20:26:37,771 INFO L226 Difference]: Without dead ends: 11863 [2021-11-07 20:26:37,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.60ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:26:37,773 INFO L933 BasicCegarLoop]: 4176 mSDtfsCounter, 4299 mSDsluCounter, 3073 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4299 SdHoareTripleChecker+Valid, 7249 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.93ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.40ms IncrementalHoareTripleChecker+Time [2021-11-07 20:26:37,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4299 Valid, 7249 Invalid, 51 Unknown, 0 Unchecked, 8.93ms Time], IncrementalHoareTripleChecker [15 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 136.40ms Time] [2021-11-07 20:26:37,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11863 states. [2021-11-07 20:26:38,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11863 to 8973. [2021-11-07 20:26:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8973 states, 8808 states have (on average 1.2914396003633062) internal successors, (11375), 8972 states have internal predecessors, (11375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8973 states to 8973 states and 11375 transitions. [2021-11-07 20:26:38,190 INFO L78 Accepts]: Start accepts. Automaton has 8973 states and 11375 transitions. Word has length 100 [2021-11-07 20:26:38,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:26:38,190 INFO L470 AbstractCegarLoop]: Abstraction has 8973 states and 11375 transitions. [2021-11-07 20:26:38,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 8973 states and 11375 transitions. [2021-11-07 20:26:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-07 20:26:38,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:26:38,192 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] [2021-11-07 20:26:38,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-07 20:26:38,192 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:26:38,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:26:38,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2071263659, now seen corresponding path program 1 times [2021-11-07 20:26:38,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:26:38,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678968811] [2021-11-07 20:26:38,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:26:38,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:26:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:26:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:26:38,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:26:38,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678968811] [2021-11-07 20:26:38,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678968811] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:26:38,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:26:38,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:26:38,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375334233] [2021-11-07 20:26:38,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:26:38,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:26:38,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:26:38,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:26:38,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:26:38,583 INFO L87 Difference]: Start difference. First operand 8973 states and 11375 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:40,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:26:40,200 INFO L93 Difference]: Finished difference Result 18556 states and 23413 transitions. [2021-11-07 20:26:40,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:26:40,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-11-07 20:26:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:26:40,217 INFO L225 Difference]: With dead ends: 18556 [2021-11-07 20:26:40,218 INFO L226 Difference]: Without dead ends: 9715 [2021-11-07 20:26:40,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 109.86ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 20:26:40,231 INFO L933 BasicCegarLoop]: 3595 mSDtfsCounter, 9155 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 826.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9155 SdHoareTripleChecker+Valid, 4909 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.75ms SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 923.01ms IncrementalHoareTripleChecker+Time [2021-11-07 20:26:40,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9155 Valid, 4909 Invalid, 479 Unknown, 0 Unchecked, 11.75ms Time], IncrementalHoareTripleChecker [223 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 923.01ms Time] [2021-11-07 20:26:40,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9715 states. [2021-11-07 20:26:40,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9715 to 8973. [2021-11-07 20:26:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8973 states, 8808 states have (on average 1.2674841053587647) internal successors, (11164), 8972 states have internal predecessors, (11164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8973 states to 8973 states and 11164 transitions. [2021-11-07 20:26:40,711 INFO L78 Accepts]: Start accepts. Automaton has 8973 states and 11164 transitions. Word has length 106 [2021-11-07 20:26:40,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:26:40,712 INFO L470 AbstractCegarLoop]: Abstraction has 8973 states and 11164 transitions. [2021-11-07 20:26:40,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 8973 states and 11164 transitions. [2021-11-07 20:26:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-07 20:26:40,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:26:40,713 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] [2021-11-07 20:26:40,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 20:26:40,713 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:26:40,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:26:40,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2071204077, now seen corresponding path program 1 times [2021-11-07 20:26:40,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:26:40,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719899801] [2021-11-07 20:26:40,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:26:40,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:26:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:26:40,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:26:40,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:26:40,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719899801] [2021-11-07 20:26:40,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719899801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:26:40,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:26:40,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:26:40,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606546918] [2021-11-07 20:26:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:26:40,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:26:40,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:26:40,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:26:40,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:26:40,988 INFO L87 Difference]: Start difference. First operand 8973 states and 11164 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:42,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:26:42,772 INFO L93 Difference]: Finished difference Result 9791 states and 12033 transitions. [2021-11-07 20:26:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 20:26:42,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-11-07 20:26:42,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:26:42,783 INFO L225 Difference]: With dead ends: 9791 [2021-11-07 20:26:42,783 INFO L226 Difference]: Without dead ends: 9673 [2021-11-07 20:26:42,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 179.39ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 20:26:42,785 INFO L933 BasicCegarLoop]: 4088 mSDtfsCounter, 8868 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 875.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8868 SdHoareTripleChecker+Valid, 6033 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.60ms SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1025.95ms IncrementalHoareTripleChecker+Time [2021-11-07 20:26:42,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8868 Valid, 6033 Invalid, 517 Unknown, 0 Unchecked, 11.60ms Time], IncrementalHoareTripleChecker [302 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 1025.95ms Time] [2021-11-07 20:26:42,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9673 states. [2021-11-07 20:26:43,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9673 to 8855. [2021-11-07 20:26:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8855 states, 8749 states have (on average 1.2451708766716196) internal successors, (10894), 8854 states have internal predecessors, (10894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8855 states to 8855 states and 10894 transitions. [2021-11-07 20:26:43,332 INFO L78 Accepts]: Start accepts. Automaton has 8855 states and 10894 transitions. Word has length 106 [2021-11-07 20:26:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:26:43,332 INFO L470 AbstractCegarLoop]: Abstraction has 8855 states and 10894 transitions. [2021-11-07 20:26:43,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 8855 states and 10894 transitions. [2021-11-07 20:26:43,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-07 20:26:43,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:26:43,333 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:26:43,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-07 20:26:43,333 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr139ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:26:43,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:26:43,334 INFO L85 PathProgramCache]: Analyzing trace with hash -683439146, now seen corresponding path program 1 times [2021-11-07 20:26:43,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:26:43,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353118857] [2021-11-07 20:26:43,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:26:43,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:26:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:26:43,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:26:43,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:26:43,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353118857] [2021-11-07 20:26:43,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353118857] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:26:43,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:26:43,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:26:43,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149731301] [2021-11-07 20:26:43,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:26:43,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:26:43,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:26:43,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:26:43,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:26:43,554 INFO L87 Difference]: Start difference. First operand 8855 states and 10894 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:45,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:26:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:26:46,836 INFO L93 Difference]: Finished difference Result 13155 states and 16175 transitions. [2021-11-07 20:26:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:26:46,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-11-07 20:26:46,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:26:46,855 INFO L225 Difference]: With dead ends: 13155 [2021-11-07 20:26:46,855 INFO L226 Difference]: Without dead ends: 13143 [2021-11-07 20:26:46,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.85ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:26:46,866 INFO L933 BasicCegarLoop]: 4192 mSDtfsCounter, 1536 mSDsluCounter, 6624 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2197.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 10816 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.83ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2311.42ms IncrementalHoareTripleChecker+Time [2021-11-07 20:26:46,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1536 Valid, 10816 Invalid, 63 Unknown, 0 Unchecked, 8.83ms Time], IncrementalHoareTripleChecker [15 Valid, 47 Invalid, 1 Unknown, 0 Unchecked, 2311.42ms Time] [2021-11-07 20:26:46,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13143 states. [2021-11-07 20:26:47,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13143 to 8843. [2021-11-07 20:26:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8843 states, 8743 states have (on average 1.2416790575317396) internal successors, (10856), 8842 states have internal predecessors, (10856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8843 states to 8843 states and 10856 transitions. [2021-11-07 20:26:47,519 INFO L78 Accepts]: Start accepts. Automaton has 8843 states and 10856 transitions. Word has length 106 [2021-11-07 20:26:47,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:26:47,519 INFO L470 AbstractCegarLoop]: Abstraction has 8843 states and 10856 transitions. [2021-11-07 20:26:47,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 8843 states and 10856 transitions. [2021-11-07 20:26:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-07 20:26:47,521 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:26:47,522 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] [2021-11-07 20:26:47,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 20:26:47,522 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr127ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:26:47,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:26:47,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1729908886, now seen corresponding path program 1 times [2021-11-07 20:26:47,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:26:47,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464163475] [2021-11-07 20:26:47,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:26:47,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:26:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:26:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:26:47,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:26:47,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464163475] [2021-11-07 20:26:47,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464163475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:26:47,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:26:47,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:26:47,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766823475] [2021-11-07 20:26:47,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:26:47,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:26:47,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:26:47,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:26:47,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:26:47,765 INFO L87 Difference]: Start difference. First operand 8843 states and 10856 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:48,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:26:48,591 INFO L93 Difference]: Finished difference Result 17217 states and 21072 transitions. [2021-11-07 20:26:48,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:26:48,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2021-11-07 20:26:48,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:26:48,603 INFO L225 Difference]: With dead ends: 17217 [2021-11-07 20:26:48,603 INFO L226 Difference]: Without dead ends: 8514 [2021-11-07 20:26:48,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:26:48,620 INFO L933 BasicCegarLoop]: 2823 mSDtfsCounter, 2776 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 218.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2776 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.05ms SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 247.65ms IncrementalHoareTripleChecker+Time [2021-11-07 20:26:48,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2776 Valid, 2823 Invalid, 117 Unknown, 0 Unchecked, 4.05ms Time], IncrementalHoareTripleChecker [58 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 247.65ms Time] [2021-11-07 20:26:48,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8514 states. [2021-11-07 20:26:49,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8514 to 8514. [2021-11-07 20:26:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8514 states, 8473 states have (on average 1.199575120972501) internal successors, (10164), 8513 states have internal predecessors, (10164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8514 states to 8514 states and 10164 transitions. [2021-11-07 20:26:49,255 INFO L78 Accepts]: Start accepts. Automaton has 8514 states and 10164 transitions. Word has length 109 [2021-11-07 20:26:49,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:26:49,255 INFO L470 AbstractCegarLoop]: Abstraction has 8514 states and 10164 transitions. [2021-11-07 20:26:49,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:26:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 8514 states and 10164 transitions. [2021-11-07 20:26:49,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-07 20:26:49,256 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:26:49,257 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:26:49,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-07 20:26:49,257 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr162ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:26:49,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:26:49,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1448406252, now seen corresponding path program 1 times [2021-11-07 20:26:49,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:26:49,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318402136] [2021-11-07 20:26:49,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:26:49,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:26:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:26:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:26:55,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:26:55,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318402136] [2021-11-07 20:26:55,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318402136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:26:55,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:26:55,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 20:26:55,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945539978] [2021-11-07 20:26:55,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:26:55,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:26:55,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:26:55,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:26:55,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:26:55,562 INFO L87 Difference]: Start difference. First operand 8514 states and 10164 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:27:00,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:27:03,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:27:04,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:27:09,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:27:09,118 INFO L93 Difference]: Finished difference Result 23595 states and 27883 transitions. [2021-11-07 20:27:09,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 20:27:09,119 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-11-07 20:27:09,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:27:09,139 INFO L225 Difference]: With dead ends: 23595 [2021-11-07 20:27:09,140 INFO L226 Difference]: Without dead ends: 18697 [2021-11-07 20:27:09,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 456.75ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-07 20:27:09,148 INFO L933 BasicCegarLoop]: 3803 mSDtfsCounter, 6850 mSDsluCounter, 14942 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11016.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6850 SdHoareTripleChecker+Valid, 18745 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.47ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11671.00ms IncrementalHoareTripleChecker+Time [2021-11-07 20:27:09,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6850 Valid, 18745 Invalid, 554 Unknown, 0 Unchecked, 21.47ms Time], IncrementalHoareTripleChecker [54 Valid, 499 Invalid, 1 Unknown, 0 Unchecked, 11671.00ms Time] [2021-11-07 20:27:09,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18697 states. [2021-11-07 20:27:09,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18697 to 8598. [2021-11-07 20:27:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8598 states, 8557 states have (on average 1.1976159869113008) internal successors, (10248), 8597 states have internal predecessors, (10248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:27:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8598 states to 8598 states and 10248 transitions. [2021-11-07 20:27:09,804 INFO L78 Accepts]: Start accepts. Automaton has 8598 states and 10248 transitions. Word has length 119 [2021-11-07 20:27:09,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:27:09,804 INFO L470 AbstractCegarLoop]: Abstraction has 8598 states and 10248 transitions. [2021-11-07 20:27:09,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:27:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 8598 states and 10248 transitions. [2021-11-07 20:27:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-07 20:27:09,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:27:09,805 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:27:09,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-07 20:27:09,806 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr162ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:27:09,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:27:09,806 INFO L85 PathProgramCache]: Analyzing trace with hash -427337898, now seen corresponding path program 1 times [2021-11-07 20:27:09,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:27:09,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977452678] [2021-11-07 20:27:09,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:27:09,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:27:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:27:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:27:15,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:27:15,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977452678] [2021-11-07 20:27:15,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977452678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:27:15,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:27:15,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-07 20:27:15,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185413563] [2021-11-07 20:27:15,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:27:15,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 20:27:15,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:27:15,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 20:27:15,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-07 20:27:15,715 INFO L87 Difference]: Start difference. First operand 8598 states and 10248 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:27:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:27:17,706 INFO L93 Difference]: Finished difference Result 9962 states and 11797 transitions. [2021-11-07 20:27:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 20:27:17,709 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-11-07 20:27:17,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:27:17,722 INFO L225 Difference]: With dead ends: 9962 [2021-11-07 20:27:17,722 INFO L226 Difference]: Without dead ends: 8595 [2021-11-07 20:27:17,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 545.95ms TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-11-07 20:27:17,728 INFO L933 BasicCegarLoop]: 2873 mSDtfsCounter, 66 mSDsluCounter, 25623 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 921.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 28496 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.18ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 989.93ms IncrementalHoareTripleChecker+Time [2021-11-07 20:27:17,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 28496 Invalid, 331 Unknown, 0 Unchecked, 14.18ms Time], IncrementalHoareTripleChecker [8 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 989.93ms Time] [2021-11-07 20:27:17,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8595 states. [2021-11-07 20:27:18,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8595 to 8595. [2021-11-07 20:27:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8595 states, 8554 states have (on average 1.1974514846855273) internal successors, (10243), 8594 states have internal predecessors, (10243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:27:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8595 states to 8595 states and 10243 transitions. [2021-11-07 20:27:18,489 INFO L78 Accepts]: Start accepts. Automaton has 8595 states and 10243 transitions. Word has length 119 [2021-11-07 20:27:18,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:27:18,489 INFO L470 AbstractCegarLoop]: Abstraction has 8595 states and 10243 transitions. [2021-11-07 20:27:18,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:27:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand 8595 states and 10243 transitions. [2021-11-07 20:27:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-07 20:27:18,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:27:18,513 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:27:18,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-07 20:27:18,514 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 206 more)] === [2021-11-07 20:27:18,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:27:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash -234526223, now seen corresponding path program 1 times [2021-11-07 20:27:18,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:27:18,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012092249] [2021-11-07 20:27:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:27:18,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:27:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:27:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:27:19,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:27:19,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012092249] [2021-11-07 20:27:19,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012092249] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:27:19,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977081731] [2021-11-07 20:27:19,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:27:19,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:27:19,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:27:19,165 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:27:19,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process Killed by 15