/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:45:29,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:45:29,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:45:29,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:45:29,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:45:29,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:45:29,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:45:29,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:45:29,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:45:29,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:45:29,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:45:29,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:45:29,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:45:29,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:45:29,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:45:29,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:45:29,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:45:29,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:45:29,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:45:29,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:45:29,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:45:29,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:45:29,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:45:29,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:45:29,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:45:29,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:45:29,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:45:29,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:45:29,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:45:29,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:45:29,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:45:29,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:45:29,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:45:29,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:45:29,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:45:29,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:45:29,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:45:29,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:45:29,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:45:29,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:45:29,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:45:29,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 03:45:29,398 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:45:29,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:45:29,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:45:29,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:45:29,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:45:29,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:45:29,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:45:29,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:45:29,400 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:45:29,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:45:29,401 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:45:29,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:45:29,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:45:29,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:45:29,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:45:29,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:45:29,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:45:29,401 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:45:29,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:45:29,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:45:29,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:45:29,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:45:29,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:45:29,403 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:45:29,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:45:29,403 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:45:29,403 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:45:29,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:45:29,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:45:29,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:45:29,626 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:45:29,626 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:45:29,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2023-04-02 03:45:30,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:45:31,033 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:45:31,033 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2023-04-02 03:45:31,043 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08cb0d019/e2833391652c4e43b2c08066439434b6/FLAGd9d949f4d [2023-04-02 03:45:31,055 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08cb0d019/e2833391652c4e43b2c08066439434b6 [2023-04-02 03:45:31,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:45:31,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:45:31,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:45:31,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:45:31,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:45:31,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a938107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31, skipping insertion in model container [2023-04-02 03:45:31,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:45:31,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:45:31,426 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2023-04-02 03:45:31,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:45:31,460 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:45:31,533 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2023-04-02 03:45:31,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:45:31,562 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:45:31,567 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:45:31,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31 WrapperNode [2023-04-02 03:45:31,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:45:31,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:45:31,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:45:31,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:45:31,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,695 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:45:31,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:45:31,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:45:31,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:45:31,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (1/1) ... [2023-04-02 03:45:31,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:45:31,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:45:31,754 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) [2023-04-02 03:45:31,756 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 [2023-04-02 03:45:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:45:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:45:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:45:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:45:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:45:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-02 03:45:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-02 03:45:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 03:45:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:45:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 03:45:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:45:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:45:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:45:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:45:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 03:45:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-02 03:45:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:45:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:45:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-02 03:45:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:45:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:45:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:45:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:45:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:45:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:45:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:45:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:45:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:45:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:45:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:45:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:45:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:45:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:45:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:45:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:45:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:45:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:45:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:45:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:45:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:45:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:45:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:45:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:45:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:45:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:45:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:45:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:45:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:45:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:45:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:45:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:45:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:45:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:45:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:45:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:45:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:45:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:45:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:45:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:45:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:45:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:45:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:45:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:45:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:45:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-02 03:45:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 03:45:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:45:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:45:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:45:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:45:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:45:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:45:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:45:32,150 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:45:32,154 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:45:32,971 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:45:32,984 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:45:32,984 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:45:32,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:45:32 BoogieIcfgContainer [2023-04-02 03:45:32,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:45:32,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:45:32,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:45:32,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:45:32,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:45:31" (1/3) ... [2023-04-02 03:45:32,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5085aed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:45:32, skipping insertion in model container [2023-04-02 03:45:32,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:45:31" (2/3) ... [2023-04-02 03:45:32,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5085aed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:45:32, skipping insertion in model container [2023-04-02 03:45:32,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:45:32" (3/3) ... [2023-04-02 03:45:32,997 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2023-04-02 03:45:33,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:45:33,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:45:33,064 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:45:33,072 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c91f572, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:45:33,072 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:45:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 577 states, 376 states have (on average 1.452127659574468) internal successors, (546), 384 states have internal predecessors, (546), 119 states have call successors, (119), 76 states have call predecessors, (119), 76 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-02 03:45:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-04-02 03:45:33,109 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:45:33,110 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:45:33,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:45:33,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:45:33,115 INFO L85 PathProgramCache]: Analyzing trace with hash -683981687, now seen corresponding path program 1 times [2023-04-02 03:45:33,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:45:33,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264522744] [2023-04-02 03:45:33,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:45:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:45:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:45:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:45:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:45:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:45:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:45:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:45:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:45:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 03:45:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:45:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:45:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:45:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:45:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:45:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:45:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:45:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:45:34,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:45:34,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264522744] [2023-04-02 03:45:34,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264522744] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:45:34,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:45:34,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:45:34,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330757330] [2023-04-02 03:45:34,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:45:34,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:45:34,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:45:34,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:45:34,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:45:34,418 INFO L87 Difference]: Start difference. First operand has 577 states, 376 states have (on average 1.452127659574468) internal successors, (546), 384 states have internal predecessors, (546), 119 states have call successors, (119), 76 states have call predecessors, (119), 76 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:45:41,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:45:41,940 INFO L93 Difference]: Finished difference Result 1213 states and 1815 transitions. [2023-04-02 03:45:41,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-02 03:45:41,943 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 185 [2023-04-02 03:45:41,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:45:41,956 INFO L225 Difference]: With dead ends: 1213 [2023-04-02 03:45:41,956 INFO L226 Difference]: Without dead ends: 853 [2023-04-02 03:45:41,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2023-04-02 03:45:41,963 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3241 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1688 mSolverCounterSat, 1653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3287 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1653 IncrementalHoareTripleChecker+Valid, 1688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:45:41,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3287 Valid, 66 Invalid, 3341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1653 Valid, 1688 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-02 03:45:41,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2023-04-02 03:45:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 548. [2023-04-02 03:45:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 361 states have (on average 1.4542936288088644) internal successors, (525), 366 states have internal predecessors, (525), 114 states have call successors, (114), 76 states have call predecessors, (114), 72 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-02 03:45:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 748 transitions. [2023-04-02 03:45:42,269 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 748 transitions. Word has length 185 [2023-04-02 03:45:42,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:45:42,269 INFO L495 AbstractCegarLoop]: Abstraction has 548 states and 748 transitions. [2023-04-02 03:45:42,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:45:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 748 transitions. [2023-04-02 03:45:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-02 03:45:42,273 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:45:42,274 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:45:42,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:45:42,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:45:42,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:45:42,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1517370707, now seen corresponding path program 1 times [2023-04-02 03:45:42,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:45:42,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013498708] [2023-04-02 03:45:42,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:42,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:45:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:45:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:45:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:45:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:45:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:45:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:45:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:45:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:45:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 03:45:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:45:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:45:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:45:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:45:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:45:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:45:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:45:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:45:43,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:45:43,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013498708] [2023-04-02 03:45:43,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013498708] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:45:43,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513263192] [2023-04-02 03:45:43,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:43,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:45:43,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:45:43,453 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) [2023-04-02 03:45:43,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 03:45:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:43,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 2456 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:45:43,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:45:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:45:43,939 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:45:43,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513263192] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:45:43,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:45:43,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:45:43,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168339515] [2023-04-02 03:45:43,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:45:43,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:45:43,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:45:43,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:45:43,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:45:43,942 INFO L87 Difference]: Start difference. First operand 548 states and 748 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:45:44,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:45:44,229 INFO L93 Difference]: Finished difference Result 823 states and 1104 transitions. [2023-04-02 03:45:44,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:45:44,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 186 [2023-04-02 03:45:44,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:45:44,233 INFO L225 Difference]: With dead ends: 823 [2023-04-02 03:45:44,233 INFO L226 Difference]: Without dead ends: 551 [2023-04-02 03:45:44,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:45:44,235 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 1 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:45:44,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1490 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:45:44,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2023-04-02 03:45:44,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 550. [2023-04-02 03:45:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 363 states have (on average 1.4517906336088153) internal successors, (527), 368 states have internal predecessors, (527), 114 states have call successors, (114), 76 states have call predecessors, (114), 72 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-02 03:45:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 750 transitions. [2023-04-02 03:45:44,473 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 750 transitions. Word has length 186 [2023-04-02 03:45:44,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:45:44,473 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 750 transitions. [2023-04-02 03:45:44,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:45:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 750 transitions. [2023-04-02 03:45:44,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-04-02 03:45:44,475 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:45:44,476 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:45:44,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 03:45:44,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:45:44,683 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:45:44,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:45:44,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1202144799, now seen corresponding path program 1 times [2023-04-02 03:45:44,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:45:44,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088027602] [2023-04-02 03:45:44,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:44,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:45:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:45:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:45:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:45:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:45:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:45:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:45:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:45:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 03:45:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:45:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:45:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:45:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:45:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:45:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:45:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:45:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 03:45:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:45:45,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:45:45,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088027602] [2023-04-02 03:45:45,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088027602] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:45:45,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071560633] [2023-04-02 03:45:45,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:45,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:45:45,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:45:45,691 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) [2023-04-02 03:45:45,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 03:45:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:46,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 2468 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:45:46,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:45:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:45:46,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:45:46,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071560633] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:45:46,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:45:46,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:45:46,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651916309] [2023-04-02 03:45:46,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:45:46,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:45:46,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:45:46,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:45:46,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:45:46,140 INFO L87 Difference]: Start difference. First operand 550 states and 750 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:45:46,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:45:46,391 INFO L93 Difference]: Finished difference Result 1078 states and 1501 transitions. [2023-04-02 03:45:46,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:45:46,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 192 [2023-04-02 03:45:46,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:45:46,394 INFO L225 Difference]: With dead ends: 1078 [2023-04-02 03:45:46,394 INFO L226 Difference]: Without dead ends: 593 [2023-04-02 03:45:46,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:45:46,396 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 53 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:45:46,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1492 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:45:46,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-04-02 03:45:46,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 592. [2023-04-02 03:45:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 396 states have (on average 1.4671717171717171) internal successors, (581), 401 states have internal predecessors, (581), 123 states have call successors, (123), 76 states have call predecessors, (123), 72 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2023-04-02 03:45:46,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 822 transitions. [2023-04-02 03:45:46,623 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 822 transitions. Word has length 192 [2023-04-02 03:45:46,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:45:46,623 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 822 transitions. [2023-04-02 03:45:46,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:45:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 822 transitions. [2023-04-02 03:45:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-04-02 03:45:46,626 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:45:46,626 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:45:46,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-02 03:45:46,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-04-02 03:45:46,834 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:45:46,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:45:46,834 INFO L85 PathProgramCache]: Analyzing trace with hash -472617229, now seen corresponding path program 1 times [2023-04-02 03:45:46,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:45:46,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62588629] [2023-04-02 03:45:46,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:46,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:45:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:45:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:45:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:45:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:45:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:45:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:45:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:45:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 03:45:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:45:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:45:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:45:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:45:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:45:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 03:45:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:45:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:45:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:45:47,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:45:47,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62588629] [2023-04-02 03:45:47,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62588629] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:45:47,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86548052] [2023-04-02 03:45:47,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:47,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:45:47,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:45:47,809 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) [2023-04-02 03:45:47,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 03:45:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:48,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 2473 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:45:48,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:45:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 03:45:48,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:45:48,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86548052] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:45:48,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:45:48,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-04-02 03:45:48,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688385317] [2023-04-02 03:45:48,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:45:48,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:45:48,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:45:48,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:45:48,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:45:48,413 INFO L87 Difference]: Start difference. First operand 592 states and 822 transitions. Second operand has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-04-02 03:45:49,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:45:49,288 INFO L93 Difference]: Finished difference Result 1162 states and 1624 transitions. [2023-04-02 03:45:49,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:45:49,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) Word has length 193 [2023-04-02 03:45:49,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:45:49,291 INFO L225 Difference]: With dead ends: 1162 [2023-04-02 03:45:49,291 INFO L226 Difference]: Without dead ends: 606 [2023-04-02 03:45:49,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-04-02 03:45:49,293 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 703 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 4087 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:45:49,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 4087 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 03:45:49,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2023-04-02 03:45:49,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 606. [2023-04-02 03:45:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 407 states have (on average 1.4692874692874693) internal successors, (598), 413 states have internal predecessors, (598), 123 states have call successors, (123), 78 states have call predecessors, (123), 75 states have return successors, (119), 117 states have call predecessors, (119), 118 states have call successors, (119) [2023-04-02 03:45:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 840 transitions. [2023-04-02 03:45:49,532 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 840 transitions. Word has length 193 [2023-04-02 03:45:49,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:45:49,533 INFO L495 AbstractCegarLoop]: Abstraction has 606 states and 840 transitions. [2023-04-02 03:45:49,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-04-02 03:45:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 840 transitions. [2023-04-02 03:45:49,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-02 03:45:49,535 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:45:49,536 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:45:49,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 03:45:49,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:45:49,744 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:45:49,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:45:49,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2032232627, now seen corresponding path program 1 times [2023-04-02 03:45:49,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:45:49,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696701051] [2023-04-02 03:45:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:49,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:45:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:45:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:45:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:45:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:45:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:45:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:45:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 03:45:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:45:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 03:45:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:45:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:45:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:45:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:45:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:45:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:45:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:45:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:45:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:45:50,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:45:50,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696701051] [2023-04-02 03:45:50,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696701051] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:45:50,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208071103] [2023-04-02 03:45:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:50,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:45:50,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:45:50,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:45:50,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 03:45:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:51,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 2474 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:45:51,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:45:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 03:45:51,158 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:45:51,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208071103] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:45:51,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:45:51,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-04-02 03:45:51,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37503450] [2023-04-02 03:45:51,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:45:51,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:45:51,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:45:51,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:45:51,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:45:51,160 INFO L87 Difference]: Start difference. First operand 606 states and 840 transitions. Second operand has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-02 03:45:51,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:45:51,890 INFO L93 Difference]: Finished difference Result 1163 states and 1628 transitions. [2023-04-02 03:45:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:45:51,891 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 194 [2023-04-02 03:45:51,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:45:51,893 INFO L225 Difference]: With dead ends: 1163 [2023-04-02 03:45:51,893 INFO L226 Difference]: Without dead ends: 608 [2023-04-02 03:45:51,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-04-02 03:45:51,896 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 698 mSDsluCounter, 2188 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:45:51,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 2940 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 03:45:51,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2023-04-02 03:45:52,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2023-04-02 03:45:52,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 408 states have (on average 1.4681372549019607) internal successors, (599), 415 states have internal predecessors, (599), 123 states have call successors, (123), 78 states have call predecessors, (123), 76 states have return successors, (121), 117 states have call predecessors, (121), 118 states have call successors, (121) [2023-04-02 03:45:52,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 843 transitions. [2023-04-02 03:45:52,173 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 843 transitions. Word has length 194 [2023-04-02 03:45:52,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:45:52,173 INFO L495 AbstractCegarLoop]: Abstraction has 608 states and 843 transitions. [2023-04-02 03:45:52,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-02 03:45:52,173 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 843 transitions. [2023-04-02 03:45:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-04-02 03:45:52,176 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:45:52,176 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:45:52,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-04-02 03:45:52,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:45:52,385 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:45:52,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:45:52,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1114989750, now seen corresponding path program 1 times [2023-04-02 03:45:52,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:45:52,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305710961] [2023-04-02 03:45:52,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:52,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:45:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:45:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:45:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:45:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:45:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:45:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:45:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 03:45:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:45:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:45:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:45:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:45:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:45:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:45:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:45:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:45:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:45:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:45:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:45:53,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:45:53,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305710961] [2023-04-02 03:45:53,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305710961] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:45:53,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:45:53,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:45:53,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252487404] [2023-04-02 03:45:53,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:45:53,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:45:53,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:45:53,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:45:53,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:45:53,215 INFO L87 Difference]: Start difference. First operand 608 states and 843 transitions. Second operand has 18 states, 15 states have (on average 7.2) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-04-02 03:46:02,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:46:02,869 INFO L93 Difference]: Finished difference Result 1566 states and 2350 transitions. [2023-04-02 03:46:02,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 03:46:02,870 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 7.2) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) Word has length 195 [2023-04-02 03:46:02,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:46:02,876 INFO L225 Difference]: With dead ends: 1566 [2023-04-02 03:46:02,876 INFO L226 Difference]: Without dead ends: 1017 [2023-04-02 03:46:02,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 03:46:02,879 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3792 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8029 mSolverCounterSat, 1849 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3795 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 9878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1849 IncrementalHoareTripleChecker+Valid, 8029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:46:02,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3795 Valid, 79 Invalid, 9878 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1849 Valid, 8029 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-02 03:46:02,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2023-04-02 03:46:03,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 618. [2023-04-02 03:46:03,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 417 states have (on average 1.4652278177458034) internal successors, (611), 423 states have internal predecessors, (611), 123 states have call successors, (123), 80 states have call predecessors, (123), 77 states have return successors, (120), 117 states have call predecessors, (120), 118 states have call successors, (120) [2023-04-02 03:46:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 854 transitions. [2023-04-02 03:46:03,142 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 854 transitions. Word has length 195 [2023-04-02 03:46:03,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:46:03,142 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 854 transitions. [2023-04-02 03:46:03,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 7.2) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-04-02 03:46:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 854 transitions. [2023-04-02 03:46:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-04-02 03:46:03,144 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:46:03,144 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:46:03,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:46:03,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:46:03,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:46:03,145 INFO L85 PathProgramCache]: Analyzing trace with hash 810781470, now seen corresponding path program 2 times [2023-04-02 03:46:03,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:46:03,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182117862] [2023-04-02 03:46:03,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:46:03,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:46:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:46:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:46:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:46:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:46:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:46:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:46:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:46:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:46:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:46:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:46:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 03:46:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:46:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:46:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:46:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:46:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:46:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:46:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:46:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:46:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:46:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:46:03,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:46:03,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182117862] [2023-04-02 03:46:03,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182117862] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:46:03,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:46:03,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:46:03,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745850019] [2023-04-02 03:46:03,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:46:03,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:46:03,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:46:03,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:46:03,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:46:03,868 INFO L87 Difference]: Start difference. First operand 618 states and 854 transitions. Second operand has 19 states, 16 states have (on average 7.0) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-04-02 03:46:15,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:46:15,086 INFO L93 Difference]: Finished difference Result 1568 states and 2355 transitions. [2023-04-02 03:46:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:46:15,087 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) Word has length 196 [2023-04-02 03:46:15,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:46:15,091 INFO L225 Difference]: With dead ends: 1568 [2023-04-02 03:46:15,091 INFO L226 Difference]: Without dead ends: 1030 [2023-04-02 03:46:15,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 03:46:15,094 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3656 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9083 mSolverCounterSat, 1862 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3659 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 10945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1862 IncrementalHoareTripleChecker+Valid, 9083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:46:15,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3659 Valid, 90 Invalid, 10945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1862 Valid, 9083 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-04-02 03:46:15,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2023-04-02 03:46:15,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 623. [2023-04-02 03:46:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 419 states have (on average 1.4630071599045347) internal successors, (613), 426 states have internal predecessors, (613), 124 states have call successors, (124), 80 states have call predecessors, (124), 79 states have return successors, (123), 119 states have call predecessors, (123), 119 states have call successors, (123) [2023-04-02 03:46:15,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 860 transitions. [2023-04-02 03:46:15,343 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 860 transitions. Word has length 196 [2023-04-02 03:46:15,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:46:15,344 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 860 transitions. [2023-04-02 03:46:15,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-04-02 03:46:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 860 transitions. [2023-04-02 03:46:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-04-02 03:46:15,346 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:46:15,347 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:46:15,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 03:46:15,347 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:46:15,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:46:15,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1259473267, now seen corresponding path program 3 times [2023-04-02 03:46:15,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:46:15,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178017514] [2023-04-02 03:46:15,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:46:15,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:46:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:15,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:46:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:46:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:46:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:46:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:46:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:46:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:46:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:46:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:46:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:46:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:46:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:46:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:46:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:46:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:46:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:46:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:46:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:46:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:46:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:46:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-02 03:46:16,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:46:16,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178017514] [2023-04-02 03:46:16,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178017514] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:46:16,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:46:16,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:46:16,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878319702] [2023-04-02 03:46:16,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:46:16,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:46:16,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:46:16,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:46:16,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:46:16,214 INFO L87 Difference]: Start difference. First operand 623 states and 860 transitions. Second operand has 18 states, 15 states have (on average 7.266666666666667) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-04-02 03:46:25,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:46:25,976 INFO L93 Difference]: Finished difference Result 1564 states and 2346 transitions. [2023-04-02 03:46:25,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 03:46:25,985 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 7.266666666666667) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) Word has length 197 [2023-04-02 03:46:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:46:25,989 INFO L225 Difference]: With dead ends: 1564 [2023-04-02 03:46:25,989 INFO L226 Difference]: Without dead ends: 1019 [2023-04-02 03:46:25,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 03:46:25,991 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3637 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 7825 mSolverCounterSat, 1767 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3640 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 9592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1767 IncrementalHoareTripleChecker+Valid, 7825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:46:25,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3640 Valid, 79 Invalid, 9592 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1767 Valid, 7825 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-04-02 03:46:25,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2023-04-02 03:46:26,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 618. [2023-04-02 03:46:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 417 states have (on average 1.4628297362110312) internal successors, (610), 423 states have internal predecessors, (610), 123 states have call successors, (123), 80 states have call predecessors, (123), 77 states have return successors, (120), 117 states have call predecessors, (120), 118 states have call successors, (120) [2023-04-02 03:46:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 853 transitions. [2023-04-02 03:46:26,262 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 853 transitions. Word has length 197 [2023-04-02 03:46:26,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:46:26,262 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 853 transitions. [2023-04-02 03:46:26,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 7.266666666666667) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-04-02 03:46:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 853 transitions. [2023-04-02 03:46:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-04-02 03:46:26,264 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:46:26,264 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:46:26,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:46:26,265 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:46:26,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:46:26,265 INFO L85 PathProgramCache]: Analyzing trace with hash 947044797, now seen corresponding path program 1 times [2023-04-02 03:46:26,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:46:26,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58585779] [2023-04-02 03:46:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:46:26,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:46:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:46:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:46:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:46:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:46:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:46:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:46:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:46:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:46:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:46:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:46:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:46:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:46:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:46:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:46:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:46:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:46:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:46:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:46:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:46:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:46:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:46:27,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:46:27,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58585779] [2023-04-02 03:46:27,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58585779] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:46:27,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:46:27,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:46:27,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107079583] [2023-04-02 03:46:27,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:46:27,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:46:27,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:46:27,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:46:27,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:46:27,105 INFO L87 Difference]: Start difference. First operand 618 states and 853 transitions. Second operand has 19 states, 16 states have (on average 7.0625) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-04-02 03:46:37,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:46:37,576 INFO L93 Difference]: Finished difference Result 1557 states and 2334 transitions. [2023-04-02 03:46:37,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:46:37,577 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) Word has length 197 [2023-04-02 03:46:37,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:46:37,583 INFO L225 Difference]: With dead ends: 1557 [2023-04-02 03:46:37,583 INFO L226 Difference]: Without dead ends: 1019 [2023-04-02 03:46:37,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=655, Invalid=2425, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:46:37,586 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3891 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 8801 mSolverCounterSat, 1863 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3894 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 10664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1863 IncrementalHoareTripleChecker+Valid, 8801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:46:37,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3894 Valid, 88 Invalid, 10664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1863 Valid, 8801 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 03:46:37,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2023-04-02 03:46:37,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 618. [2023-04-02 03:46:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 417 states have (on average 1.4628297362110312) internal successors, (610), 423 states have internal predecessors, (610), 123 states have call successors, (123), 80 states have call predecessors, (123), 77 states have return successors, (119), 117 states have call predecessors, (119), 118 states have call successors, (119) [2023-04-02 03:46:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 852 transitions. [2023-04-02 03:46:37,873 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 852 transitions. Word has length 197 [2023-04-02 03:46:37,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:46:37,875 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 852 transitions. [2023-04-02 03:46:37,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-04-02 03:46:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 852 transitions. [2023-04-02 03:46:37,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-02 03:46:37,877 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:46:37,877 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:46:37,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:46:37,877 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:46:37,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:46:37,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1188669108, now seen corresponding path program 2 times [2023-04-02 03:46:37,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:46:37,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098808288] [2023-04-02 03:46:37,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:46:37,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:46:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:46:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:46:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:46:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:46:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:46:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:46:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:46:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:46:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:46:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:46:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:46:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:46:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:46:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:46:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:46:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:46:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:46:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:46:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 03:46:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:46:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:46:38,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:46:38,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098808288] [2023-04-02 03:46:38,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098808288] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:46:38,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:46:38,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:46:38,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61843135] [2023-04-02 03:46:38,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:46:38,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:46:38,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:46:38,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:46:38,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:46:38,597 INFO L87 Difference]: Start difference. First operand 618 states and 852 transitions. Second operand has 19 states, 16 states have (on average 7.125) internal successors, (114), 9 states have internal predecessors, (114), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-04-02 03:46:49,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:46:49,240 INFO L93 Difference]: Finished difference Result 1563 states and 2342 transitions. [2023-04-02 03:46:49,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:46:49,241 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.125) internal successors, (114), 9 states have internal predecessors, (114), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) Word has length 198 [2023-04-02 03:46:49,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:46:49,245 INFO L225 Difference]: With dead ends: 1563 [2023-04-02 03:46:49,246 INFO L226 Difference]: Without dead ends: 1025 [2023-04-02 03:46:49,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=655, Invalid=2425, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:46:49,248 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4236 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 8940 mSolverCounterSat, 2004 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4239 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 10944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2004 IncrementalHoareTripleChecker+Valid, 8940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:46:49,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4239 Valid, 86 Invalid, 10944 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2004 Valid, 8940 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 03:46:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2023-04-02 03:46:49,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 620. [2023-04-02 03:46:49,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 418 states have (on average 1.4617224880382775) internal successors, (611), 425 states have internal predecessors, (611), 123 states have call successors, (123), 80 states have call predecessors, (123), 78 states have return successors, (121), 117 states have call predecessors, (121), 118 states have call successors, (121) [2023-04-02 03:46:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 855 transitions. [2023-04-02 03:46:49,548 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 855 transitions. Word has length 198 [2023-04-02 03:46:49,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:46:49,551 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 855 transitions. [2023-04-02 03:46:49,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.125) internal successors, (114), 9 states have internal predecessors, (114), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-04-02 03:46:49,551 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 855 transitions. [2023-04-02 03:46:49,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-02 03:46:49,553 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:46:49,553 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:46:49,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:46:49,553 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:46:49,553 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:46:49,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1405516856, now seen corresponding path program 1 times [2023-04-02 03:46:49,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:46:49,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55300784] [2023-04-02 03:46:49,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:46:49,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:46:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:46:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:46:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:46:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:46:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:46:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:46:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:46:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:46:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:46:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:46:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:46:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:46:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:46:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:46:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:46:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:46:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:46:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:46:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:46:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:46:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:46:50,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:46:50,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55300784] [2023-04-02 03:46:50,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55300784] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:46:50,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:46:50,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:46:50,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190217477] [2023-04-02 03:46:50,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:46:50,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:46:50,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:46:50,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:46:50,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:46:50,369 INFO L87 Difference]: Start difference. First operand 620 states and 855 transitions. Second operand has 19 states, 16 states have (on average 7.1875) internal successors, (115), 9 states have internal predecessors, (115), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-04-02 03:47:01,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:01,911 INFO L93 Difference]: Finished difference Result 1563 states and 2338 transitions. [2023-04-02 03:47:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:47:01,912 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.1875) internal successors, (115), 9 states have internal predecessors, (115), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) Word has length 199 [2023-04-02 03:47:01,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:01,931 INFO L225 Difference]: With dead ends: 1563 [2023-04-02 03:47:01,931 INFO L226 Difference]: Without dead ends: 1023 [2023-04-02 03:47:01,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=613, Invalid=2143, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 03:47:01,934 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4426 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 8738 mSolverCounterSat, 2159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4429 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 10897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2159 IncrementalHoareTripleChecker+Valid, 8738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:01,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4429 Valid, 86 Invalid, 10897 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2159 Valid, 8738 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-04-02 03:47:01,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2023-04-02 03:47:02,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 627. [2023-04-02 03:47:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 421 states have (on average 1.4584323040380047) internal successors, (614), 430 states have internal predecessors, (614), 124 states have call successors, (124), 80 states have call predecessors, (124), 81 states have return successors, (127), 119 states have call predecessors, (127), 119 states have call successors, (127) [2023-04-02 03:47:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 865 transitions. [2023-04-02 03:47:02,271 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 865 transitions. Word has length 199 [2023-04-02 03:47:02,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:02,272 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 865 transitions. [2023-04-02 03:47:02,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.1875) internal successors, (115), 9 states have internal predecessors, (115), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-04-02 03:47:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 865 transitions. [2023-04-02 03:47:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-02 03:47:02,273 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:02,274 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:02,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:47:02,274 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:02,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:02,274 INFO L85 PathProgramCache]: Analyzing trace with hash -644892042, now seen corresponding path program 1 times [2023-04-02 03:47:02,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:02,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670445106] [2023-04-02 03:47:02,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:02,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:47:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:47:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:47:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:47:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:47:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:47:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:47:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:47:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:47:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:47:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:47:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-02 03:47:02,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:02,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670445106] [2023-04-02 03:47:02,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670445106] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:02,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:47:02,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:47:02,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26670572] [2023-04-02 03:47:02,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:02,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:47:02,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:02,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:47:02,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:47:02,986 INFO L87 Difference]: Start difference. First operand 627 states and 865 transitions. Second operand has 18 states, 15 states have (on average 7.466666666666667) internal successors, (112), 9 states have internal predecessors, (112), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-04-02 03:47:14,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:14,369 INFO L93 Difference]: Finished difference Result 1551 states and 2321 transitions. [2023-04-02 03:47:14,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-04-02 03:47:14,369 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 7.466666666666667) internal successors, (112), 9 states have internal predecessors, (112), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) Word has length 199 [2023-04-02 03:47:14,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:14,373 INFO L225 Difference]: With dead ends: 1551 [2023-04-02 03:47:14,373 INFO L226 Difference]: Without dead ends: 1004 [2023-04-02 03:47:14,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=568, Invalid=1784, Unknown=0, NotChecked=0, Total=2352 [2023-04-02 03:47:14,375 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3676 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 7683 mSolverCounterSat, 1808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3679 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 9491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1808 IncrementalHoareTripleChecker+Valid, 7683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:14,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3679 Valid, 65 Invalid, 9491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1808 Valid, 7683 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-04-02 03:47:14,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2023-04-02 03:47:14,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 620. [2023-04-02 03:47:14,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 418 states have (on average 1.4593301435406698) internal successors, (610), 425 states have internal predecessors, (610), 123 states have call successors, (123), 80 states have call predecessors, (123), 78 states have return successors, (121), 117 states have call predecessors, (121), 118 states have call successors, (121) [2023-04-02 03:47:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 854 transitions. [2023-04-02 03:47:14,692 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 854 transitions. Word has length 199 [2023-04-02 03:47:14,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:14,693 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 854 transitions. [2023-04-02 03:47:14,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 7.466666666666667) internal successors, (112), 9 states have internal predecessors, (112), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-04-02 03:47:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 854 transitions. [2023-04-02 03:47:14,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-02 03:47:14,694 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:14,695 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:14,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:47:14,695 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:14,695 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:14,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1950389430, now seen corresponding path program 1 times [2023-04-02 03:47:14,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:14,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436168653] [2023-04-02 03:47:14,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:14,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:47:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:47:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:47:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:47:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:47:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:47:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:47:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:47:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:47:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:47:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:47:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:47:15,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436168653] [2023-04-02 03:47:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436168653] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:47:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162695671] [2023-04-02 03:47:15,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:15,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:15,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:15,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:47:15,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 03:47:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:15,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:47:15,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:47:15,926 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:47:15,927 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:47:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:47:16,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162695671] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:47:16,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:47:16,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2023-04-02 03:47:16,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564173845] [2023-04-02 03:47:16,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:47:16,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 03:47:16,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:16,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 03:47:16,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2023-04-02 03:47:16,082 INFO L87 Difference]: Start difference. First operand 620 states and 854 transitions. Second operand has 16 states, 16 states have (on average 10.9375) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (75), 11 states have call predecessors, (75), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-02 03:47:26,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:26,444 INFO L93 Difference]: Finished difference Result 1827 states and 2947 transitions. [2023-04-02 03:47:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:47:26,445 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.9375) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (75), 11 states have call predecessors, (75), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 199 [2023-04-02 03:47:26,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:26,451 INFO L225 Difference]: With dead ends: 1827 [2023-04-02 03:47:26,451 INFO L226 Difference]: Without dead ends: 1555 [2023-04-02 03:47:26,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=408, Invalid=924, Unknown=0, NotChecked=0, Total=1332 [2023-04-02 03:47:26,454 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3072 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 4330 mSolverCounterSat, 1166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3114 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 5496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1166 IncrementalHoareTripleChecker+Valid, 4330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:26,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3114 Valid, 35 Invalid, 5496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1166 Valid, 4330 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-04-02 03:47:26,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2023-04-02 03:47:27,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 841. [2023-04-02 03:47:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 591 states have (on average 1.50253807106599) internal successors, (888), 598 states have internal predecessors, (888), 171 states have call successors, (171), 80 states have call predecessors, (171), 78 states have return successors, (169), 165 states have call predecessors, (169), 166 states have call successors, (169) [2023-04-02 03:47:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1228 transitions. [2023-04-02 03:47:27,050 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1228 transitions. Word has length 199 [2023-04-02 03:47:27,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:27,051 INFO L495 AbstractCegarLoop]: Abstraction has 841 states and 1228 transitions. [2023-04-02 03:47:27,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.9375) internal successors, (175), 7 states have internal predecessors, (175), 2 states have call successors, (75), 11 states have call predecessors, (75), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-04-02 03:47:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1228 transitions. [2023-04-02 03:47:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-02 03:47:27,053 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:27,053 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:27,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 03:47:27,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 03:47:27,259 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:27,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:27,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1192824921, now seen corresponding path program 1 times [2023-04-02 03:47:27,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:27,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859985314] [2023-04-02 03:47:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:27,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:47:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:47:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:47:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:47:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:47:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:47:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:47:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:47:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:47:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:47:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 03:47:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:47:27,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:27,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859985314] [2023-04-02 03:47:27,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859985314] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:27,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:47:27,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:47:27,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877241230] [2023-04-02 03:47:27,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:27,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:47:27,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:27,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:47:27,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:47:27,895 INFO L87 Difference]: Start difference. First operand 841 states and 1228 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:47:37,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:37,512 INFO L93 Difference]: Finished difference Result 2828 states and 4696 transitions. [2023-04-02 03:47:37,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:47:37,512 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 205 [2023-04-02 03:47:37,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:37,521 INFO L225 Difference]: With dead ends: 2828 [2023-04-02 03:47:37,521 INFO L226 Difference]: Without dead ends: 2089 [2023-04-02 03:47:37,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:47:37,524 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3610 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 2880 mSolverCounterSat, 1588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3651 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 4468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1588 IncrementalHoareTripleChecker+Valid, 2880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:37,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3651 Valid, 24 Invalid, 4468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1588 Valid, 2880 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-04-02 03:47:37,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2023-04-02 03:47:38,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1059. [2023-04-02 03:47:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 761 states have (on average 1.5151116951379764) internal successors, (1153), 768 states have internal predecessors, (1153), 219 states have call successors, (219), 80 states have call predecessors, (219), 78 states have return successors, (217), 213 states have call predecessors, (217), 214 states have call successors, (217) [2023-04-02 03:47:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1589 transitions. [2023-04-02 03:47:38,482 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1589 transitions. Word has length 205 [2023-04-02 03:47:38,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:38,482 INFO L495 AbstractCegarLoop]: Abstraction has 1059 states and 1589 transitions. [2023-04-02 03:47:38,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:47:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1589 transitions. [2023-04-02 03:47:38,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-02 03:47:38,485 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:38,486 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:38,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:47:38,486 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:38,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:38,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1922357439, now seen corresponding path program 1 times [2023-04-02 03:47:38,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:38,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875993753] [2023-04-02 03:47:38,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:38,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:47:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:47:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:47:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:47:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:47:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:47:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:47:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:47:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:47:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:47:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 03:47:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:47:39,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:39,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875993753] [2023-04-02 03:47:39,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875993753] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:39,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:47:39,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:47:39,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013019839] [2023-04-02 03:47:39,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:39,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:47:39,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:39,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:47:39,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:47:39,156 INFO L87 Difference]: Start difference. First operand 1059 states and 1589 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:47:49,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:49,552 INFO L93 Difference]: Finished difference Result 3944 states and 6730 transitions. [2023-04-02 03:47:49,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:47:49,553 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 206 [2023-04-02 03:47:49,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:49,563 INFO L225 Difference]: With dead ends: 3944 [2023-04-02 03:47:49,563 INFO L226 Difference]: Without dead ends: 3016 [2023-04-02 03:47:49,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:47:49,568 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2491 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2856 mSolverCounterSat, 1047 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 3903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1047 IncrementalHoareTripleChecker+Valid, 2856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:49,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2533 Valid, 26 Invalid, 3903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1047 Valid, 2856 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-02 03:47:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3016 states. [2023-04-02 03:47:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3016 to 1391. [2023-04-02 03:47:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1024 states have (on average 1.5234375) internal successors, (1560), 1031 states have internal predecessors, (1560), 288 states have call successors, (288), 80 states have call predecessors, (288), 78 states have return successors, (286), 282 states have call predecessors, (286), 283 states have call successors, (286) [2023-04-02 03:47:50,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 2134 transitions. [2023-04-02 03:47:50,941 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 2134 transitions. Word has length 206 [2023-04-02 03:47:50,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:50,942 INFO L495 AbstractCegarLoop]: Abstraction has 1391 states and 2134 transitions. [2023-04-02 03:47:50,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:47:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2134 transitions. [2023-04-02 03:47:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-04-02 03:47:50,946 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:50,947 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:47:50,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:47:50,947 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:50,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:50,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1376161403, now seen corresponding path program 1 times [2023-04-02 03:47:50,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:50,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703840165] [2023-04-02 03:47:50,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:50,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:47:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:47:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:47:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:47:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:47:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:47:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:47:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:47:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:47:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 03:47:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 03:47:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:47:51,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:51,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703840165] [2023-04-02 03:47:51,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703840165] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:51,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:47:51,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:47:51,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005110433] [2023-04-02 03:47:51,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:51,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:47:51,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:51,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:47:51,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:47:51,688 INFO L87 Difference]: Start difference. First operand 1391 states and 2134 transitions. Second operand has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:48:04,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:04,202 INFO L93 Difference]: Finished difference Result 5680 states and 9883 transitions. [2023-04-02 03:48:04,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:48:04,202 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 207 [2023-04-02 03:48:04,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:04,225 INFO L225 Difference]: With dead ends: 5680 [2023-04-02 03:48:04,225 INFO L226 Difference]: Without dead ends: 4476 [2023-04-02 03:48:04,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:48:04,230 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2198 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 3025 mSolverCounterSat, 837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 3862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 837 IncrementalHoareTripleChecker+Valid, 3025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:04,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 28 Invalid, 3862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [837 Valid, 3025 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-02 03:48:04,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4476 states. [2023-04-02 03:48:06,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4476 to 1916. [2023-04-02 03:48:06,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1916 states, 1442 states have (on average 1.5256588072122053) internal successors, (2200), 1449 states have internal predecessors, (2200), 395 states have call successors, (395), 80 states have call predecessors, (395), 78 states have return successors, (393), 389 states have call predecessors, (393), 390 states have call successors, (393) [2023-04-02 03:48:06,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1916 states and 2988 transitions. [2023-04-02 03:48:06,342 INFO L78 Accepts]: Start accepts. Automaton has 1916 states and 2988 transitions. Word has length 207 [2023-04-02 03:48:06,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:06,342 INFO L495 AbstractCegarLoop]: Abstraction has 1916 states and 2988 transitions. [2023-04-02 03:48:06,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:48:06,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 2988 transitions. [2023-04-02 03:48:06,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-02 03:48:06,365 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:06,367 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:48:06,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:48:06,381 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:06,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:06,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1495568031, now seen corresponding path program 1 times [2023-04-02 03:48:06,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:06,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637677172] [2023-04-02 03:48:06,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:06,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:48:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:48:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:48:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:48:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:48:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:48:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:48:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:48:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:48:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-02 03:48:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 03:48:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:48:07,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:07,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637677172] [2023-04-02 03:48:07,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637677172] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:07,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:07,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:48:07,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499923097] [2023-04-02 03:48:07,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:07,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:48:07,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:07,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:48:07,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:48:07,196 INFO L87 Difference]: Start difference. First operand 1916 states and 2988 transitions. Second operand has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:48:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:23,093 INFO L93 Difference]: Finished difference Result 8519 states and 15011 transitions. [2023-04-02 03:48:23,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:48:23,093 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 208 [2023-04-02 03:48:23,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:23,128 INFO L225 Difference]: With dead ends: 8519 [2023-04-02 03:48:23,128 INFO L226 Difference]: Without dead ends: 6889 [2023-04-02 03:48:23,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:48:23,135 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2943 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2633 mSolverCounterSat, 1345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2985 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 3978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1345 IncrementalHoareTripleChecker+Valid, 2633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:23,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2985 Valid, 26 Invalid, 3978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1345 Valid, 2633 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-04-02 03:48:23,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6889 states. [2023-04-02 03:48:26,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6889 to 2772. [2023-04-02 03:48:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2127 states have (on average 1.5242125058768219) internal successors, (3242), 2134 states have internal predecessors, (3242), 566 states have call successors, (566), 80 states have call predecessors, (566), 78 states have return successors, (564), 560 states have call predecessors, (564), 561 states have call successors, (564) [2023-04-02 03:48:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 4372 transitions. [2023-04-02 03:48:26,619 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 4372 transitions. Word has length 208 [2023-04-02 03:48:26,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:26,619 INFO L495 AbstractCegarLoop]: Abstraction has 2772 states and 4372 transitions. [2023-04-02 03:48:26,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:48:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 4372 transitions. [2023-04-02 03:48:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-02 03:48:26,628 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:26,628 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:48:26,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 03:48:26,628 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:26,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:26,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1457239909, now seen corresponding path program 1 times [2023-04-02 03:48:26,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:26,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020235641] [2023-04-02 03:48:26,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:26,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:48:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:48:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:48:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:48:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:48:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:48:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:48:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:48:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:48:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:48:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:48:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:48:27,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:27,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020235641] [2023-04-02 03:48:27,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020235641] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:27,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:27,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:48:27,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151295402] [2023-04-02 03:48:27,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:27,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:48:27,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:27,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:48:27,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:48:27,243 INFO L87 Difference]: Start difference. First operand 2772 states and 4372 transitions. Second operand has 12 states, 12 states have (on average 10.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:48:50,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:50,036 INFO L93 Difference]: Finished difference Result 13369 states and 23729 transitions. [2023-04-02 03:48:50,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:48:50,036 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 209 [2023-04-02 03:48:50,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:50,082 INFO L225 Difference]: With dead ends: 13369 [2023-04-02 03:48:50,082 INFO L226 Difference]: Without dead ends: 11039 [2023-04-02 03:48:50,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:48:50,093 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3639 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 2777 mSolverCounterSat, 1669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3680 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 4446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1669 IncrementalHoareTripleChecker+Valid, 2777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:50,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3680 Valid, 24 Invalid, 4446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1669 Valid, 2777 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 03:48:50,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11039 states. [2023-04-02 03:48:56,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11039 to 4221. [2023-04-02 03:48:56,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4221 states, 3293 states have (on average 1.5211053750379593) internal successors, (5009), 3300 states have internal predecessors, (5009), 849 states have call successors, (849), 80 states have call predecessors, (849), 78 states have return successors, (847), 843 states have call predecessors, (847), 844 states have call successors, (847) [2023-04-02 03:48:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 4221 states and 6705 transitions. [2023-04-02 03:48:56,201 INFO L78 Accepts]: Start accepts. Automaton has 4221 states and 6705 transitions. Word has length 209 [2023-04-02 03:48:56,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:56,202 INFO L495 AbstractCegarLoop]: Abstraction has 4221 states and 6705 transitions. [2023-04-02 03:48:56,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:48:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4221 states and 6705 transitions. [2023-04-02 03:48:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-02 03:48:56,216 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:56,216 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:48:56,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 03:48:56,216 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:56,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:56,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1906252673, now seen corresponding path program 1 times [2023-04-02 03:48:56,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:56,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611461682] [2023-04-02 03:48:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:56,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:48:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:48:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:48:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:48:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:48:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:48:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:48:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:48:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:48:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:48:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:48:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:48:56,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:56,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611461682] [2023-04-02 03:48:56,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611461682] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:56,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:56,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:48:56,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928105941] [2023-04-02 03:48:56,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:56,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:48:56,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:56,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:48:56,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:48:56,934 INFO L87 Difference]: Start difference. First operand 4221 states and 6705 transitions. Second operand has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:49:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:49:32,557 INFO L93 Difference]: Finished difference Result 22108 states and 39329 transitions. [2023-04-02 03:49:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:49:32,557 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 210 [2023-04-02 03:49:32,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:49:32,628 INFO L225 Difference]: With dead ends: 22108 [2023-04-02 03:49:32,629 INFO L226 Difference]: Without dead ends: 18556 [2023-04-02 03:49:32,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:49:32,645 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3481 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2963 mSolverCounterSat, 1585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 4548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1585 IncrementalHoareTripleChecker+Valid, 2963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:49:32,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 26 Invalid, 4548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1585 Valid, 2963 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-04-02 03:49:32,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18556 states. [2023-04-02 03:49:43,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18556 to 6761. [2023-04-02 03:49:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6761 states, 5350 states have (on average 1.5170093457943925) internal successors, (8116), 5357 states have internal predecessors, (8116), 1332 states have call successors, (1332), 80 states have call predecessors, (1332), 78 states have return successors, (1330), 1326 states have call predecessors, (1330), 1327 states have call successors, (1330) [2023-04-02 03:49:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6761 states to 6761 states and 10778 transitions. [2023-04-02 03:49:43,337 INFO L78 Accepts]: Start accepts. Automaton has 6761 states and 10778 transitions. Word has length 210 [2023-04-02 03:49:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:49:43,337 INFO L495 AbstractCegarLoop]: Abstraction has 6761 states and 10778 transitions. [2023-04-02 03:49:43,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-02 03:49:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 6761 states and 10778 transitions. [2023-04-02 03:49:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-02 03:49:43,357 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:49:43,357 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:49:43,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-04-02 03:49:43,358 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:49:43,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:49:43,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1387896133, now seen corresponding path program 1 times [2023-04-02 03:49:43,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:49:43,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817756644] [2023-04-02 03:49:43,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:43,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:49:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:49:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:49:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:49:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:49:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:49:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:49:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:49:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:49:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:49:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:49:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:49:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:49:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:49:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:49:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:49:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:49:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 03:49:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 03:49:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:49:43,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:49:43,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817756644] [2023-04-02 03:49:43,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817756644] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:49:43,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:49:43,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:49:43,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166532867] [2023-04-02 03:49:43,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:49:43,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:49:43,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:49:43,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:49:43,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:49:43,987 INFO L87 Difference]: Start difference. First operand 6761 states and 10778 transitions. Second operand has 12 states, 12 states have (on average 10.166666666666666) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)