/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_spec9_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:02:56,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:02:56,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:02:56,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:02:56,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:02:56,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:02:56,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:02:56,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:02:56,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:02:56,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:02:56,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:02:56,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:02:56,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:02:56,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:02:56,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:02:56,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:02:56,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:02:56,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:02:56,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:02:56,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:02:56,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:02:56,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:02:56,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:02:56,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:02:56,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:02:56,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:02:56,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:02:56,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:02:56,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:02:56,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:02:56,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:02:56,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:02:56,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:02:56,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:02:56,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:02:56,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:02:56,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:02:56,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:02:56,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:02:56,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:02:56,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:02:56,709 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 04:02:56,736 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:02:56,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:02:56,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:02:56,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:02:56,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:02:56,738 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:02:56,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:02:56,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:02:56,739 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:02:56,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:02:56,740 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:02:56,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:02:56,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:02:56,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:02:56,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:02:56,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:02:56,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:02:56,741 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:02:56,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:02:56,741 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:02:56,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:02:56,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:02:56,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:02:56,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:02:56,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:02:56,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:02:56,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:02:56,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:02:56,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:02:56,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:02:56,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:02:56,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:02:56,743 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:02:56,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:02:56,743 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:02:56,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:02:56,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:02:56,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:02:56,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:02:56,995 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:02:56,996 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:02:56,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2023-04-02 04:02:58,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:02:58,454 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:02:58,455 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2023-04-02 04:02:58,484 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096bd1860/31dafa845acf4d7c9b50f7c5436b55fa/FLAG2a0ca6506 [2023-04-02 04:02:58,496 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096bd1860/31dafa845acf4d7c9b50f7c5436b55fa [2023-04-02 04:02:58,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:02:58,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:02:58,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:02:58,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:02:58,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:02:58,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:02:58" (1/1) ... [2023-04-02 04:02:58,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5e5795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:58, skipping insertion in model container [2023-04-02 04:02:58,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:02:58" (1/1) ... [2023-04-02 04:02:58,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:02:58,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:02:59,037 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_spec9_productSimulator.cil.c[31629,31642] [2023-04-02 04:02:59,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:02:59,173 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:02:59,220 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_spec9_productSimulator.cil.c[31629,31642] [2023-04-02 04:02:59,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:02:59,294 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 04:02:59,300 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:02:59,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59 WrapperNode [2023-04-02 04:02:59,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:02:59,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:02:59,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:02:59,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:02:59,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (1/1) ... [2023-04-02 04:02:59,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (1/1) ... [2023-04-02 04:02:59,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (1/1) ... [2023-04-02 04:02:59,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (1/1) ... [2023-04-02 04:02:59,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (1/1) ... [2023-04-02 04:02:59,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (1/1) ... [2023-04-02 04:02:59,461 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (1/1) ... [2023-04-02 04:02:59,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (1/1) ... [2023-04-02 04:02:59,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:02:59,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:02:59,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:02:59,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:02:59,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (1/1) ... [2023-04-02 04:02:59,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:02:59,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:59,510 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 04:02:59,534 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 04:02:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:02:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:02:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:02:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:02:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:02:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 04:02:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 04:02:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 04:02:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 04:02:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 04:02:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 04:02:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 04:02:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 04:02:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 04:02:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 04:02:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 04:02:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 04:02:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-04-02 04:02:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-04-02 04:02:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 04:02:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-02 04:02:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-02 04:02:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 04:02:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 04:02:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 04:02:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-04-02 04:02:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-04-02 04:02:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 04:02:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-04-02 04:02:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-04-02 04:02:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 04:02:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-04-02 04:02:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-04-02 04:02:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 04:02:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 04:02:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 04:02:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:02:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:02:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 04:02:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 04:02:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 04:02:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 04:02:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 04:02:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 04:02:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:02:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:02:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:02:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-02 04:02:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-02 04:02:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:02:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:02:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:02:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:02:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-04-02 04:02:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-04-02 04:02:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-04-02 04:02:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 04:02:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 04:02:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 04:02:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 04:02:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 04:02:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 04:02:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 04:02:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 04:02:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 04:02:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 04:02:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 04:02:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 04:02:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 04:02:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 04:02:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 04:02:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 04:02:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 04:02:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 04:02:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 04:02:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:02:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:02:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:02:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:02:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:02:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 04:02:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-02 04:02:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 04:02:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 04:02:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 04:02:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 04:02:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 04:02:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 04:02:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 04:02:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 04:02:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-02 04:02:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 04:02:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:02:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:02:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:02:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 04:02:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:02:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:02:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:02:59,956 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:02:59,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:03:01,107 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:03:01,127 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:03:01,127 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 04:03:01,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:03:01 BoogieIcfgContainer [2023-04-02 04:03:01,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:03:01,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:03:01,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:03:01,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:03:01,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:02:58" (1/3) ... [2023-04-02 04:03:01,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a53f8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:03:01, skipping insertion in model container [2023-04-02 04:03:01,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:59" (2/3) ... [2023-04-02 04:03:01,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a53f8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:03:01, skipping insertion in model container [2023-04-02 04:03:01,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:03:01" (3/3) ... [2023-04-02 04:03:01,139 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2023-04-02 04:03:01,153 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:03:01,153 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:03:01,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:03:01,304 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;@192bd21e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:03:01,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:03:01,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 818 states, 524 states have (on average 1.4427480916030535) internal successors, (756), 559 states have internal predecessors, (756), 180 states have call successors, (180), 108 states have call predecessors, (180), 108 states have return successors, (180), 166 states have call predecessors, (180), 180 states have call successors, (180) [2023-04-02 04:03:01,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-02 04:03:01,336 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:01,337 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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] [2023-04-02 04:03:01,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:01,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:01,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1266109590, now seen corresponding path program 1 times [2023-04-02 04:03:01,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:01,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942608126] [2023-04-02 04:03:01,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:01,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:03:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:03:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:03:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:03:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:03:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:02,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:03:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 04:03:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:03:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 04:03:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 04:03:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:03:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 04:03:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 04:03:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 04:03:03,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:03,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942608126] [2023-04-02 04:03:03,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942608126] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:03,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:03,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 04:03:03,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380415858] [2023-04-02 04:03:03,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:03,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 04:03:03,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:03,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 04:03:03,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-04-02 04:03:03,285 INFO L87 Difference]: Start difference. First operand has 818 states, 524 states have (on average 1.4427480916030535) internal successors, (756), 559 states have internal predecessors, (756), 180 states have call successors, (180), 108 states have call predecessors, (180), 108 states have return successors, (180), 166 states have call predecessors, (180), 180 states have call successors, (180) Second operand has 15 states, 14 states have (on average 5.714285714285714) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (39), 11 states have call predecessors, (39), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-04-02 04:03:18,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:18,501 INFO L93 Difference]: Finished difference Result 2011 states and 2949 transitions. [2023-04-02 04:03:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-04-02 04:03:18,503 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.714285714285714) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (39), 11 states have call predecessors, (39), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 170 [2023-04-02 04:03:18,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:18,526 INFO L225 Difference]: With dead ends: 2011 [2023-04-02 04:03:18,527 INFO L226 Difference]: Without dead ends: 1193 [2023-04-02 04:03:18,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=366, Invalid=1040, Unknown=0, NotChecked=0, Total=1406 [2023-04-02 04:03:18,539 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4570 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 7504 mSolverCounterSat, 2424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4625 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 9928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2424 IncrementalHoareTripleChecker+Valid, 7504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:18,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4625 Valid, 134 Invalid, 9928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2424 Valid, 7504 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2023-04-02 04:03:18,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2023-04-02 04:03:18,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 789. [2023-04-02 04:03:18,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 509 states have (on average 1.4302554027504912) internal successors, (728), 541 states have internal predecessors, (728), 175 states have call successors, (175), 108 states have call predecessors, (175), 104 states have return successors, (170), 156 states have call predecessors, (170), 170 states have call successors, (170) [2023-04-02 04:03:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1073 transitions. [2023-04-02 04:03:19,002 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1073 transitions. Word has length 170 [2023-04-02 04:03:19,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:19,003 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1073 transitions. [2023-04-02 04:03:19,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.714285714285714) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (39), 11 states have call predecessors, (39), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-04-02 04:03:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1073 transitions. [2023-04-02 04:03:19,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-02 04:03:19,009 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:19,010 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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] [2023-04-02 04:03:19,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:03:19,010 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:19,011 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:19,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1624607367, now seen corresponding path program 1 times [2023-04-02 04:03:19,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:19,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052582298] [2023-04-02 04:03:19,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:19,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:03:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:03:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:03:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:03:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:03:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:03:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 04:03:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:03:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 04:03:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 04:03:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 04:03:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 04:03:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 04:03:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 04:03:19,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:19,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052582298] [2023-04-02 04:03:19,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052582298] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:19,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:19,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 04:03:19,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032980642] [2023-04-02 04:03:19,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:19,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 04:03:19,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:19,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 04:03:19,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:03:19,977 INFO L87 Difference]: Start difference. First operand 789 states and 1073 transitions. Second operand has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 4 states have internal predecessors, (86), 4 states have call successors, (39), 11 states have call predecessors, (39), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-04-02 04:03:32,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:32,826 INFO L93 Difference]: Finished difference Result 1945 states and 2830 transitions. [2023-04-02 04:03:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-02 04:03:32,827 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 4 states have internal predecessors, (86), 4 states have call successors, (39), 11 states have call predecessors, (39), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 176 [2023-04-02 04:03:32,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:32,835 INFO L225 Difference]: With dead ends: 1945 [2023-04-02 04:03:32,835 INFO L226 Difference]: Without dead ends: 1192 [2023-04-02 04:03:32,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=230, Invalid=582, Unknown=0, NotChecked=0, Total=812 [2023-04-02 04:03:32,840 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 4956 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 3642 mSolverCounterSat, 2710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4956 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 6352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2710 IncrementalHoareTripleChecker+Valid, 3642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:32,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4956 Valid, 33 Invalid, 6352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2710 Valid, 3642 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-04-02 04:03:32,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2023-04-02 04:03:33,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 788. [2023-04-02 04:03:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 510 states have (on average 1.419607843137255) internal successors, (724), 540 states have internal predecessors, (724), 172 states have call successors, (172), 109 states have call predecessors, (172), 105 states have return successors, (167), 155 states have call predecessors, (167), 167 states have call successors, (167) [2023-04-02 04:03:33,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1063 transitions. [2023-04-02 04:03:33,211 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1063 transitions. Word has length 176 [2023-04-02 04:03:33,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:33,212 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1063 transitions. [2023-04-02 04:03:33,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 4 states have internal predecessors, (86), 4 states have call successors, (39), 11 states have call predecessors, (39), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-04-02 04:03:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1063 transitions. [2023-04-02 04:03:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-02 04:03:33,215 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:33,216 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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 04:03:33,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:03:33,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:33,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:33,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1720232089, now seen corresponding path program 1 times [2023-04-02 04:03:33,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:33,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22537504] [2023-04-02 04:03:33,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:33,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:03:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:03:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:03:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:03:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:03:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:03:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 04:03:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:03:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 04:03:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:03:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:33,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:34,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 04:03:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:34,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 04:03:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 04:03:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 04:03:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 04:03:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 04:03:34,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:34,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22537504] [2023-04-02 04:03:34,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22537504] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:34,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:34,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:03:34,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961519826] [2023-04-02 04:03:34,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:34,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:03:34,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:34,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:03:34,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:03:34,024 INFO L87 Difference]: Start difference. First operand 788 states and 1063 transitions. Second operand has 12 states, 11 states have (on average 9.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (42), 11 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-02 04:03:45,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:45,622 INFO L93 Difference]: Finished difference Result 1938 states and 2783 transitions. [2023-04-02 04:03:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:03:45,623 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (42), 11 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 3 states have call successors, (30) Word has length 194 [2023-04-02 04:03:45,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:45,629 INFO L225 Difference]: With dead ends: 1938 [2023-04-02 04:03:45,629 INFO L226 Difference]: Without dead ends: 1191 [2023-04-02 04:03:45,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:03:45,633 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 3529 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2402 mSolverCounterSat, 1911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3530 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 4313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1911 IncrementalHoareTripleChecker+Valid, 2402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:45,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3530 Valid, 35 Invalid, 4313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1911 Valid, 2402 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-04-02 04:03:45,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2023-04-02 04:03:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 787. [2023-04-02 04:03:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 510 states have (on average 1.415686274509804) internal successors, (722), 539 states have internal predecessors, (722), 171 states have call successors, (171), 109 states have call predecessors, (171), 105 states have return successors, (166), 155 states have call predecessors, (166), 166 states have call successors, (166) [2023-04-02 04:03:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1059 transitions. [2023-04-02 04:03:46,010 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1059 transitions. Word has length 194 [2023-04-02 04:03:46,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:46,011 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1059 transitions. [2023-04-02 04:03:46,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (42), 11 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-02 04:03:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1059 transitions. [2023-04-02 04:03:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-04-02 04:03:46,014 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:46,014 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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 04:03:46,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:03:46,015 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:46,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:46,015 INFO L85 PathProgramCache]: Analyzing trace with hash 373342074, now seen corresponding path program 1 times [2023-04-02 04:03:46,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:46,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292508200] [2023-04-02 04:03:46,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:46,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:03:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:03:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:03:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:03:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:03:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:03:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:03:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 04:03:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 04:03:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:03:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:03:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 04:03:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 04:03:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 04:03:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 04:03:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 04:03:46,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:46,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292508200] [2023-04-02 04:03:46,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292508200] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:46,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:46,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 04:03:46,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485719954] [2023-04-02 04:03:46,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:46,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 04:03:46,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:46,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 04:03:46,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-04-02 04:03:46,867 INFO L87 Difference]: Start difference. First operand 787 states and 1059 transitions. Second operand has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 4 states have internal predecessors, (100), 5 states have call successors, (42), 11 states have call predecessors, (42), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 04:03:58,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:58,560 INFO L93 Difference]: Finished difference Result 1909 states and 2720 transitions. [2023-04-02 04:03:58,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:03:58,561 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 4 states have internal predecessors, (100), 5 states have call successors, (42), 11 states have call predecessors, (42), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 195 [2023-04-02 04:03:58,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:58,568 INFO L225 Difference]: With dead ends: 1909 [2023-04-02 04:03:58,568 INFO L226 Difference]: Without dead ends: 1188 [2023-04-02 04:03:58,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2023-04-02 04:03:58,572 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 5315 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 3551 mSolverCounterSat, 2816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5315 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 6367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2816 IncrementalHoareTripleChecker+Valid, 3551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:58,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5315 Valid, 35 Invalid, 6367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2816 Valid, 3551 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-04-02 04:03:58,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2023-04-02 04:03:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 784. [2023-04-02 04:03:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 510 states have (on average 1.3941176470588235) internal successors, (711), 528 states have internal predecessors, (711), 168 states have call successors, (168), 109 states have call predecessors, (168), 105 states have return successors, (163), 155 states have call predecessors, (163), 163 states have call successors, (163) [2023-04-02 04:03:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1042 transitions. [2023-04-02 04:03:58,941 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1042 transitions. Word has length 195 [2023-04-02 04:03:58,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:58,942 INFO L495 AbstractCegarLoop]: Abstraction has 784 states and 1042 transitions. [2023-04-02 04:03:58,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 4 states have internal predecessors, (100), 5 states have call successors, (42), 11 states have call predecessors, (42), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 04:03:58,942 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1042 transitions. [2023-04-02 04:03:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-02 04:03:58,945 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:58,946 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 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 04:03:58,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:03:58,946 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:58,946 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:58,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1524331035, now seen corresponding path program 1 times [2023-04-02 04:03:58,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:58,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172038855] [2023-04-02 04:03:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:58,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:03:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:03:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:03:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:03:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:03:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:03:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:03:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:03:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:03:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:04:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:04:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 04:04:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 04:04:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 04:04:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 04:04:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 04:04:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-04-02 04:04:00,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:00,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172038855] [2023-04-02 04:04:00,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172038855] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:04:00,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746421299] [2023-04-02 04:04:00,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:00,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:04:00,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:04:00,254 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 04:04:00,255 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 04:04:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:00,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 2922 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 04:04:00,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:04:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 04:04:00,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:04:00,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746421299] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:00,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:04:00,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [21] total 22 [2023-04-02 04:04:00,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117254469] [2023-04-02 04:04:00,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:00,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:04:00,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:00,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:04:00,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-04-02 04:04:00,902 INFO L87 Difference]: Start difference. First operand 784 states and 1042 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-02 04:04:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:01,306 INFO L93 Difference]: Finished difference Result 1221 states and 1603 transitions. [2023-04-02 04:04:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:04:01,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 222 [2023-04-02 04:04:01,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:01,311 INFO L225 Difference]: With dead ends: 1221 [2023-04-02 04:04:01,311 INFO L226 Difference]: Without dead ends: 787 [2023-04-02 04:04:01,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-04-02 04:04:01,314 INFO L413 NwaCegarLoop]: 1038 mSDtfsCounter, 1 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2074 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 04:04:01,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2074 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:04:01,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2023-04-02 04:04:01,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 786. [2023-04-02 04:04:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 512 states have (on average 1.392578125) internal successors, (713), 530 states have internal predecessors, (713), 168 states have call successors, (168), 109 states have call predecessors, (168), 105 states have return successors, (163), 155 states have call predecessors, (163), 163 states have call successors, (163) [2023-04-02 04:04:01,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1044 transitions. [2023-04-02 04:04:01,767 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1044 transitions. Word has length 222 [2023-04-02 04:04:01,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:01,767 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1044 transitions. [2023-04-02 04:04:01,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-02 04:04:01,767 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1044 transitions. [2023-04-02 04:04:01,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-04-02 04:04:01,771 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:01,771 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2023-04-02 04:04:01,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 04:04:01,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:04:01,981 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:01,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:01,981 INFO L85 PathProgramCache]: Analyzing trace with hash 680560727, now seen corresponding path program 1 times [2023-04-02 04:04:01,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:01,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661430230] [2023-04-02 04:04:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:04:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:04:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:04:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:04:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:04:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:02,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:04:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:04:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 04:04:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 04:04:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 04:04:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 04:04:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 04:04:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 04:04:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 04:04:03,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:03,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661430230] [2023-04-02 04:04:03,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661430230] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:04:03,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173087059] [2023-04-02 04:04:03,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:03,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:04:03,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:04:03,282 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 04:04:03,308 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 04:04:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:03,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:04:03,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:04:03,921 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 04:04:03,921 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:04:03,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173087059] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:03,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:04:03,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [21] total 22 [2023-04-02 04:04:03,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591523938] [2023-04-02 04:04:03,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:03,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:04:03,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:03,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:04:03,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-04-02 04:04:03,923 INFO L87 Difference]: Start difference. First operand 786 states and 1044 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-02 04:04:04,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:04,390 INFO L93 Difference]: Finished difference Result 1510 states and 2044 transitions. [2023-04-02 04:04:04,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:04:04,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 230 [2023-04-02 04:04:04,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:04,395 INFO L225 Difference]: With dead ends: 1510 [2023-04-02 04:04:04,395 INFO L226 Difference]: Without dead ends: 841 [2023-04-02 04:04:04,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-04-02 04:04:04,398 INFO L413 NwaCegarLoop]: 1046 mSDtfsCounter, 68 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 2078 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 04:04:04,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 2078 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:04:04,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2023-04-02 04:04:04,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 840. [2023-04-02 04:04:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 556 states have (on average 1.4046762589928057) internal successors, (781), 577 states have internal predecessors, (781), 178 states have call successors, (178), 109 states have call predecessors, (178), 105 states have return successors, (173), 165 states have call predecessors, (173), 173 states have call successors, (173) [2023-04-02 04:04:04,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1132 transitions. [2023-04-02 04:04:04,825 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1132 transitions. Word has length 230 [2023-04-02 04:04:04,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:04,826 INFO L495 AbstractCegarLoop]: Abstraction has 840 states and 1132 transitions. [2023-04-02 04:04:04,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-02 04:04:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1132 transitions. [2023-04-02 04:04:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-04-02 04:04:04,829 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:04,830 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2023-04-02 04:04:04,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 04:04:05,039 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,SelfDestructingSolverStorable5 [2023-04-02 04:04:05,040 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:05,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:05,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1107449630, now seen corresponding path program 1 times [2023-04-02 04:04:05,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:05,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362270228] [2023-04-02 04:04:05,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:05,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:04:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:04:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:04:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:04:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:04:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:04:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:05,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 04:04:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 04:04:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 04:04:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 04:04:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 04:04:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 04:04:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-04-02 04:04:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 04:04:06,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:06,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362270228] [2023-04-02 04:04:06,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362270228] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:04:06,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739869036] [2023-04-02 04:04:06,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:06,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:04:06,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:04:06,244 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 04:04:06,253 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 04:04:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:06,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 2941 conjuncts, 10 conjunts are in the unsatisfiable core [2023-04-02 04:04:06,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:04:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-04-02 04:04:07,096 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:04:07,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739869036] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:07,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:04:07,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [21] total 29 [2023-04-02 04:04:07,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164219473] [2023-04-02 04:04:07,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:07,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:04:07,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:07,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:04:07,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2023-04-02 04:04:07,099 INFO L87 Difference]: Start difference. First operand 840 states and 1132 transitions. Second operand has 11 states, 9 states have (on average 14.333333333333334) internal successors, (129), 11 states have internal predecessors, (129), 7 states have call successors, (48), 3 states have call predecessors, (48), 7 states have return successors, (36), 5 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 04:04:08,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:08,859 INFO L93 Difference]: Finished difference Result 1613 states and 2190 transitions. [2023-04-02 04:04:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 04:04:08,861 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 14.333333333333334) internal successors, (129), 11 states have internal predecessors, (129), 7 states have call successors, (48), 3 states have call predecessors, (48), 7 states have return successors, (36), 5 states have call predecessors, (36), 7 states have call successors, (36) Word has length 231 [2023-04-02 04:04:08,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:08,865 INFO L225 Difference]: With dead ends: 1613 [2023-04-02 04:04:08,865 INFO L226 Difference]: Without dead ends: 854 [2023-04-02 04:04:08,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2023-04-02 04:04:08,868 INFO L413 NwaCegarLoop]: 1044 mSDtfsCounter, 952 mSDsluCounter, 5435 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 6479 SdHoareTripleChecker+Invalid, 2427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:08,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 6479 Invalid, 2427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-02 04:04:08,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2023-04-02 04:04:09,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 854. [2023-04-02 04:04:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 567 states have (on average 1.4074074074074074) internal successors, (798), 589 states have internal predecessors, (798), 178 states have call successors, (178), 111 states have call predecessors, (178), 108 states have return successors, (174), 165 states have call predecessors, (174), 173 states have call successors, (174) [2023-04-02 04:04:09,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1150 transitions. [2023-04-02 04:04:09,342 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1150 transitions. Word has length 231 [2023-04-02 04:04:09,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:09,342 INFO L495 AbstractCegarLoop]: Abstraction has 854 states and 1150 transitions. [2023-04-02 04:04:09,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 14.333333333333334) internal successors, (129), 11 states have internal predecessors, (129), 7 states have call successors, (48), 3 states have call predecessors, (48), 7 states have return successors, (36), 5 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 04:04:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1150 transitions. [2023-04-02 04:04:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-04-02 04:04:09,346 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:09,346 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:04:09,361 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 04:04:09,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:04:09,557 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:09,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:09,558 INFO L85 PathProgramCache]: Analyzing trace with hash -755260691, now seen corresponding path program 1 times [2023-04-02 04:04:09,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:09,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439982592] [2023-04-02 04:04:09,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:09,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:04:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:04:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:04:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:04:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:04:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:04:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 04:04:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 04:04:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 04:04:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 04:04:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 04:04:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 04:04:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-04-02 04:04:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 04:04:10,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439982592] [2023-04-02 04:04:10,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439982592] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:04:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520329922] [2023-04-02 04:04:10,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:10,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:04:10,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:04:10,743 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 04:04:10,755 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 04:04:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 2942 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 04:04:11,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:04:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-04-02 04:04:11,447 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:04:11,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520329922] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:11,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:04:11,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20] total 26 [2023-04-02 04:04:11,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894783687] [2023-04-02 04:04:11,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:11,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:04:11,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:11,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:04:11,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:04:11,450 INFO L87 Difference]: Start difference. First operand 854 states and 1150 transitions. Second operand has 9 states, 8 states have (on average 16.25) internal successors, (130), 9 states have internal predecessors, (130), 5 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (36), 6 states have call predecessors, (36), 5 states have call successors, (36) [2023-04-02 04:04:12,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:12,782 INFO L93 Difference]: Finished difference Result 1614 states and 2194 transitions. [2023-04-02 04:04:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:04:12,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.25) internal successors, (130), 9 states have internal predecessors, (130), 5 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (36), 6 states have call predecessors, (36), 5 states have call successors, (36) Word has length 232 [2023-04-02 04:04:12,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:12,786 INFO L225 Difference]: With dead ends: 1614 [2023-04-02 04:04:12,787 INFO L226 Difference]: Without dead ends: 856 [2023-04-02 04:04:12,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-04-02 04:04:12,790 INFO L413 NwaCegarLoop]: 1043 mSDtfsCounter, 938 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 5637 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:12,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 5637 Invalid, 1836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 04:04:12,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2023-04-02 04:04:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2023-04-02 04:04:13,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 568 states have (on average 1.4066901408450705) internal successors, (799), 591 states have internal predecessors, (799), 178 states have call successors, (178), 111 states have call predecessors, (178), 109 states have return successors, (176), 165 states have call predecessors, (176), 173 states have call successors, (176) [2023-04-02 04:04:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1153 transitions. [2023-04-02 04:04:13,315 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1153 transitions. Word has length 232 [2023-04-02 04:04:13,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:13,315 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1153 transitions. [2023-04-02 04:04:13,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.25) internal successors, (130), 9 states have internal predecessors, (130), 5 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (36), 6 states have call predecessors, (36), 5 states have call successors, (36) [2023-04-02 04:04:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1153 transitions. [2023-04-02 04:04:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-04-02 04:04:13,318 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:13,318 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:13,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 04:04:13,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:04:13,528 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:13,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:13,529 INFO L85 PathProgramCache]: Analyzing trace with hash -720197151, now seen corresponding path program 1 times [2023-04-02 04:04:13,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:13,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580217654] [2023-04-02 04:04:13,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:13,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:04:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:04:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:04:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:04:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:04:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:04:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:04:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 04:04:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 04:04:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 04:04:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 04:04:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 04:04:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-04-02 04:04:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 04:04:14,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:14,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580217654] [2023-04-02 04:04:14,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580217654] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:14,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:04:14,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-04-02 04:04:14,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40347059] [2023-04-02 04:04:14,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:14,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-04-02 04:04:14,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:14,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-04-02 04:04:14,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-04-02 04:04:14,663 INFO L87 Difference]: Start difference. First operand 856 states and 1153 transitions. Second operand has 21 states, 17 states have (on average 7.294117647058823) internal successors, (124), 11 states have internal predecessors, (124), 8 states have call successors, (48), 12 states have call predecessors, (48), 6 states have return successors, (36), 5 states have call predecessors, (36), 8 states have call successors, (36) [2023-04-02 04:04:31,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:31,909 INFO L93 Difference]: Finished difference Result 2157 states and 3107 transitions. [2023-04-02 04:04:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-02 04:04:31,910 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 17 states have (on average 7.294117647058823) internal successors, (124), 11 states have internal predecessors, (124), 8 states have call successors, (48), 12 states have call predecessors, (48), 6 states have return successors, (36), 5 states have call predecessors, (36), 8 states have call successors, (36) Word has length 233 [2023-04-02 04:04:31,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:31,917 INFO L225 Difference]: With dead ends: 2157 [2023-04-02 04:04:31,917 INFO L226 Difference]: Without dead ends: 1408 [2023-04-02 04:04:31,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=740, Invalid=3042, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 04:04:31,920 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 4904 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 13169 mSolverCounterSat, 2563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4905 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 15732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2563 IncrementalHoareTripleChecker+Valid, 13169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:31,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4905 Valid, 150 Invalid, 15732 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2563 Valid, 13169 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2023-04-02 04:04:31,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2023-04-02 04:04:32,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 866. [2023-04-02 04:04:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 577 states have (on average 1.4055459272097053) internal successors, (811), 599 states have internal predecessors, (811), 178 states have call successors, (178), 113 states have call predecessors, (178), 110 states have return successors, (175), 165 states have call predecessors, (175), 173 states have call successors, (175) [2023-04-02 04:04:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1164 transitions. [2023-04-02 04:04:32,383 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1164 transitions. Word has length 233 [2023-04-02 04:04:32,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:32,384 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1164 transitions. [2023-04-02 04:04:32,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 17 states have (on average 7.294117647058823) internal successors, (124), 11 states have internal predecessors, (124), 8 states have call successors, (48), 12 states have call predecessors, (48), 6 states have return successors, (36), 5 states have call predecessors, (36), 8 states have call successors, (36) [2023-04-02 04:04:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1164 transitions. [2023-04-02 04:04:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-02 04:04:32,386 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:32,387 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 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 04:04:32,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 04:04:32,387 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:32,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:32,387 INFO L85 PathProgramCache]: Analyzing trace with hash 362624164, now seen corresponding path program 2 times [2023-04-02 04:04:32,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:32,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673920779] [2023-04-02 04:04:32,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:32,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:04:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:04:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:04:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:04:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:04:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:04:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:04:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 04:04:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-02 04:04:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:04:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 04:04:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 04:04:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 04:04:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 04:04:33,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:33,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673920779] [2023-04-02 04:04:33,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673920779] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:33,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:04:33,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:04:33,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121215003] [2023-04-02 04:04:33,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:33,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:04:33,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:33,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:04:33,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:04:33,426 INFO L87 Difference]: Start difference. First operand 866 states and 1164 transitions. Second operand has 20 states, 16 states have (on average 8.0) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:04:50,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:50,406 INFO L93 Difference]: Finished difference Result 2157 states and 3104 transitions. [2023-04-02 04:04:50,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 04:04:50,407 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 8.0) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 234 [2023-04-02 04:04:50,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:50,413 INFO L225 Difference]: With dead ends: 2157 [2023-04-02 04:04:50,414 INFO L226 Difference]: Without dead ends: 1421 [2023-04-02 04:04:50,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=652, Invalid=2540, Unknown=0, NotChecked=0, Total=3192 [2023-04-02 04:04:50,417 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5548 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 11818 mSolverCounterSat, 2908 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5549 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 14726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2908 IncrementalHoareTripleChecker+Valid, 11818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:50,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5549 Valid, 136 Invalid, 14726 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2908 Valid, 11818 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2023-04-02 04:04:50,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2023-04-02 04:04:50,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 871. [2023-04-02 04:04:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 579 states have (on average 1.4041450777202074) internal successors, (813), 602 states have internal predecessors, (813), 179 states have call successors, (179), 113 states have call predecessors, (179), 112 states have return successors, (178), 167 states have call predecessors, (178), 174 states have call successors, (178) [2023-04-02 04:04:50,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1170 transitions. [2023-04-02 04:04:50,977 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1170 transitions. Word has length 234 [2023-04-02 04:04:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:50,977 INFO L495 AbstractCegarLoop]: Abstraction has 871 states and 1170 transitions. [2023-04-02 04:04:50,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 8.0) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:04:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1170 transitions. [2023-04-02 04:04:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 04:04:50,980 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:50,980 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:04:50,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 04:04:50,980 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:50,980 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:50,981 INFO L85 PathProgramCache]: Analyzing trace with hash 680160724, now seen corresponding path program 3 times [2023-04-02 04:04:50,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:50,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507490745] [2023-04-02 04:04:50,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:50,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:04:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:04:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:04:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:04:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:04:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:04:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:04:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:04:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:04:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 04:04:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:52,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 04:04:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 04:04:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 04:04:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 04:04:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 04:04:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-02 04:04:52,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:52,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507490745] [2023-04-02 04:04:52,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507490745] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:52,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:04:52,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-04-02 04:04:52,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081221015] [2023-04-02 04:04:52,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:52,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-04-02 04:04:52,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:52,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-04-02 04:04:52,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-04-02 04:04:52,040 INFO L87 Difference]: Start difference. First operand 871 states and 1170 transitions. Second operand has 21 states, 17 states have (on average 7.352941176470588) internal successors, (125), 11 states have internal predecessors, (125), 8 states have call successors, (48), 12 states have call predecessors, (48), 6 states have return successors, (36), 5 states have call predecessors, (36), 8 states have call successors, (36) [2023-04-02 04:05:09,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:09,244 INFO L93 Difference]: Finished difference Result 2155 states and 3103 transitions. [2023-04-02 04:05:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-02 04:05:09,245 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 17 states have (on average 7.352941176470588) internal successors, (125), 11 states have internal predecessors, (125), 8 states have call successors, (48), 12 states have call predecessors, (48), 6 states have return successors, (36), 5 states have call predecessors, (36), 8 states have call successors, (36) Word has length 235 [2023-04-02 04:05:09,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:09,249 INFO L225 Difference]: With dead ends: 2155 [2023-04-02 04:05:09,250 INFO L226 Difference]: Without dead ends: 1410 [2023-04-02 04:05:09,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=740, Invalid=3042, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 04:05:09,253 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5785 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 13470 mSolverCounterSat, 2955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5786 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 16425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2955 IncrementalHoareTripleChecker+Valid, 13470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:09,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5786 Valid, 152 Invalid, 16425 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2955 Valid, 13470 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2023-04-02 04:05:09,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2023-04-02 04:05:09,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 866. [2023-04-02 04:05:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 577 states have (on average 1.4038128249566724) internal successors, (810), 599 states have internal predecessors, (810), 178 states have call successors, (178), 113 states have call predecessors, (178), 110 states have return successors, (175), 165 states have call predecessors, (175), 173 states have call successors, (175) [2023-04-02 04:05:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1163 transitions. [2023-04-02 04:05:09,701 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1163 transitions. Word has length 235 [2023-04-02 04:05:09,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:09,701 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1163 transitions. [2023-04-02 04:05:09,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 17 states have (on average 7.352941176470588) internal successors, (125), 11 states have internal predecessors, (125), 8 states have call successors, (48), 12 states have call predecessors, (48), 6 states have return successors, (36), 5 states have call predecessors, (36), 8 states have call successors, (36) [2023-04-02 04:05:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1163 transitions. [2023-04-02 04:05:09,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 04:05:09,704 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:09,704 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:09,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 04:05:09,704 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:09,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:09,705 INFO L85 PathProgramCache]: Analyzing trace with hash -801457828, now seen corresponding path program 1 times [2023-04-02 04:05:09,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:09,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95900908] [2023-04-02 04:05:09,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:09,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:05:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:05:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:05:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:05:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:05:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:05:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:05:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:05:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:05:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 04:05:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 04:05:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 04:05:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 04:05:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 04:05:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 04:05:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 04:05:10,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:10,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95900908] [2023-04-02 04:05:10,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95900908] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:10,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:10,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:05:10,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655635865] [2023-04-02 04:05:10,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:10,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:05:10,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:10,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:05:10,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:05:10,738 INFO L87 Difference]: Start difference. First operand 866 states and 1163 transitions. Second operand has 20 states, 16 states have (on average 8.0625) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:05:28,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:28,103 INFO L93 Difference]: Finished difference Result 2148 states and 3091 transitions. [2023-04-02 04:05:28,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-02 04:05:28,104 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 8.0625) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 235 [2023-04-02 04:05:28,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:28,110 INFO L225 Difference]: With dead ends: 2148 [2023-04-02 04:05:28,110 INFO L226 Difference]: Without dead ends: 1412 [2023-04-02 04:05:28,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=615, Invalid=2355, Unknown=0, NotChecked=0, Total=2970 [2023-04-02 04:05:28,113 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 4026 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 11836 mSolverCounterSat, 2141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4027 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 13977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2141 IncrementalHoareTripleChecker+Valid, 11836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:28,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4027 Valid, 136 Invalid, 13977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2141 Valid, 11836 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2023-04-02 04:05:28,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2023-04-02 04:05:28,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 871. [2023-04-02 04:05:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 579 states have (on average 1.4024179620034543) internal successors, (812), 602 states have internal predecessors, (812), 179 states have call successors, (179), 113 states have call predecessors, (179), 112 states have return successors, (178), 167 states have call predecessors, (178), 174 states have call successors, (178) [2023-04-02 04:05:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1169 transitions. [2023-04-02 04:05:28,584 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1169 transitions. Word has length 235 [2023-04-02 04:05:28,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:28,585 INFO L495 AbstractCegarLoop]: Abstraction has 871 states and 1169 transitions. [2023-04-02 04:05:28,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 8.0625) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:05:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1169 transitions. [2023-04-02 04:05:28,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 04:05:28,588 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:28,588 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:28,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 04:05:28,588 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:28,589 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:28,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1626800794, now seen corresponding path program 1 times [2023-04-02 04:05:28,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:28,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113476547] [2023-04-02 04:05:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:28,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:05:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:05:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:05:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:05:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:05:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:05:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:05:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:05:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:05:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 04:05:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 04:05:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 04:05:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 04:05:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 04:05:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 04:05:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 04:05:29,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:29,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113476547] [2023-04-02 04:05:29,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113476547] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:29,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:29,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:05:29,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172784307] [2023-04-02 04:05:29,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:29,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:05:29,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:29,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:05:29,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:05:29,624 INFO L87 Difference]: Start difference. First operand 871 states and 1169 transitions. Second operand has 20 states, 16 states have (on average 8.0625) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:05:47,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:47,902 INFO L93 Difference]: Finished difference Result 2146 states and 3088 transitions. [2023-04-02 04:05:47,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-04-02 04:05:47,903 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 8.0625) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 235 [2023-04-02 04:05:47,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:47,909 INFO L225 Difference]: With dead ends: 2146 [2023-04-02 04:05:47,909 INFO L226 Difference]: Without dead ends: 1410 [2023-04-02 04:05:47,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=771, Invalid=2769, Unknown=0, NotChecked=0, Total=3540 [2023-04-02 04:05:47,911 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 4236 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 11791 mSolverCounterSat, 2298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4237 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 14089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2298 IncrementalHoareTripleChecker+Valid, 11791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:47,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4237 Valid, 136 Invalid, 14089 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2298 Valid, 11791 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2023-04-02 04:05:47,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2023-04-02 04:05:48,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 866. [2023-04-02 04:05:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 577 states have (on average 1.4038128249566724) internal successors, (810), 599 states have internal predecessors, (810), 178 states have call successors, (178), 113 states have call predecessors, (178), 110 states have return successors, (174), 165 states have call predecessors, (174), 173 states have call successors, (174) [2023-04-02 04:05:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1162 transitions. [2023-04-02 04:05:48,385 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1162 transitions. Word has length 235 [2023-04-02 04:05:48,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:48,386 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1162 transitions. [2023-04-02 04:05:48,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 8.0625) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:05:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1162 transitions. [2023-04-02 04:05:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-02 04:05:48,388 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:48,388 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:05:48,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 04:05:48,388 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:48,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:48,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1046642660, now seen corresponding path program 2 times [2023-04-02 04:05:48,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:48,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132672813] [2023-04-02 04:05:48,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:48,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:05:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:05:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:05:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:05:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:05:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:05:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:05:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:05:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:05:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:05:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:05:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 04:05:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 04:05:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 04:05:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 04:05:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 04:05:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 04:05:49,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:49,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132672813] [2023-04-02 04:05:49,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132672813] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:49,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:49,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:05:49,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450531221] [2023-04-02 04:05:49,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:49,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:05:49,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:49,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:05:49,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:05:49,354 INFO L87 Difference]: Start difference. First operand 866 states and 1162 transitions. Second operand has 20 states, 16 states have (on average 8.125) internal successors, (130), 9 states have internal predecessors, (130), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:06:05,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:06:05,553 INFO L93 Difference]: Finished difference Result 2152 states and 3097 transitions. [2023-04-02 04:06:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-02 04:06:05,554 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 8.125) internal successors, (130), 9 states have internal predecessors, (130), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 236 [2023-04-02 04:06:05,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:06:05,560 INFO L225 Difference]: With dead ends: 2152 [2023-04-02 04:06:05,560 INFO L226 Difference]: Without dead ends: 1416 [2023-04-02 04:06:05,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=615, Invalid=2355, Unknown=0, NotChecked=0, Total=2970 [2023-04-02 04:06:05,563 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 7488 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 11464 mSolverCounterSat, 4022 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7489 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 15486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4022 IncrementalHoareTripleChecker+Valid, 11464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:06:05,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7489 Valid, 134 Invalid, 15486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4022 Valid, 11464 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2023-04-02 04:06:05,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2023-04-02 04:06:06,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 873. [2023-04-02 04:06:06,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 580 states have (on average 1.4017241379310346) internal successors, (813), 604 states have internal predecessors, (813), 179 states have call successors, (179), 113 states have call predecessors, (179), 113 states have return successors, (180), 167 states have call predecessors, (180), 174 states have call successors, (180) [2023-04-02 04:06:06,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1172 transitions. [2023-04-02 04:06:06,064 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1172 transitions. Word has length 236 [2023-04-02 04:06:06,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:06:06,064 INFO L495 AbstractCegarLoop]: Abstraction has 873 states and 1172 transitions. [2023-04-02 04:06:06,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 8.125) internal successors, (130), 9 states have internal predecessors, (130), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:06:06,064 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1172 transitions. [2023-04-02 04:06:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-02 04:06:06,066 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:06:06,066 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:06,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 04:06:06,066 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:06:06,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:06:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1214930590, now seen corresponding path program 2 times [2023-04-02 04:06:06,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:06:06,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88943041] [2023-04-02 04:06:06,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:06:06,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:06:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:06:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:06:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:06:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:06:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:06:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:06:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:06:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:06:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:06:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:06:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:06:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:06:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:06:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:06:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:06:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:06:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:06:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:06:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:06:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:06:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:06:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:06:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:06:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 04:06:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 04:06:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 04:06:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 04:06:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 04:06:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 04:06:06,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:06:06,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88943041] [2023-04-02 04:06:06,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88943041] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:06:06,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:06:06,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:06:06,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373082489] [2023-04-02 04:06:06,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:06:06,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:06:06,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:06:06,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:06:06,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:06:06,981 INFO L87 Difference]: Start difference. First operand 873 states and 1172 transitions. Second operand has 20 states, 16 states have (on average 8.125) internal successors, (130), 9 states have internal predecessors, (130), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:06:25,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:06:25,624 INFO L93 Difference]: Finished difference Result 2154 states and 3099 transitions. [2023-04-02 04:06:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-04-02 04:06:25,624 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 8.125) internal successors, (130), 9 states have internal predecessors, (130), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 236 [2023-04-02 04:06:25,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:06:25,630 INFO L225 Difference]: With dead ends: 2154 [2023-04-02 04:06:25,630 INFO L226 Difference]: Without dead ends: 1416 [2023-04-02 04:06:25,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=771, Invalid=2769, Unknown=0, NotChecked=0, Total=3540 [2023-04-02 04:06:25,633 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 6950 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 11459 mSolverCounterSat, 3603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6951 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 15062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3603 IncrementalHoareTripleChecker+Valid, 11459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:06:25,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6951 Valid, 134 Invalid, 15062 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3603 Valid, 11459 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2023-04-02 04:06:25,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2023-04-02 04:06:26,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 868. [2023-04-02 04:06:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 578 states have (on average 1.4031141868512111) internal successors, (811), 601 states have internal predecessors, (811), 178 states have call successors, (178), 113 states have call predecessors, (178), 111 states have return successors, (176), 165 states have call predecessors, (176), 173 states have call successors, (176) [2023-04-02 04:06:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1165 transitions. [2023-04-02 04:06:26,168 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1165 transitions. Word has length 236 [2023-04-02 04:06:26,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:06:26,168 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1165 transitions. [2023-04-02 04:06:26,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 8.125) internal successors, (130), 9 states have internal predecessors, (130), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 04:06:26,169 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1165 transitions. [2023-04-02 04:06:26,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-04-02 04:06:26,170 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:06:26,170 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:06:26,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 04:06:26,171 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:06:26,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:06:26,171 INFO L85 PathProgramCache]: Analyzing trace with hash -973942111, now seen corresponding path program 1 times [2023-04-02 04:06:26,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:06:26,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87989672] [2023-04-02 04:06:26,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:06:26,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:06:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:06:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:06:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:06:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:06:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 04:06:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:06:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:06:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:06:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:06:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:06:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 04:06:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 04:06:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 04:06:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:06:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:06:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 04:06:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:06:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:06:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 04:06:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 04:06:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:06:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 04:06:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:06:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 04:06:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 04:06:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 04:06:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 04:06:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-04-02 04:06:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-04-02 04:06:26,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:06:26,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87989672] [2023-04-02 04:06:26,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87989672] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:06:26,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813835569] [2023-04-02 04:06:26,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:06:26,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:06:26,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:06:26,957 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 04:06:26,958 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 04:06:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:27,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 2947 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:06:27,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:06:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-04-02 04:06:27,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:06:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-04-02 04:06:27,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813835569] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:06:27,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:06:27,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2023-04-02 04:06:27,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651395070] [2023-04-02 04:06:27,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:06:27,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 04:06:27,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:06:27,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 04:06:27,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:06:27,739 INFO L87 Difference]: Start difference. First operand 868 states and 1165 transitions. Second operand has 17 states, 16 states have (on average 11.3125) internal successors, (181), 7 states have internal predecessors, (181), 3 states have call successors, (80), 12 states have call predecessors, (80), 2 states have return successors, (45), 2 states have call predecessors, (45), 3 states have call successors, (45)