/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_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:29:22,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:29:22,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:29:22,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:29:22,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:29:22,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:29:22,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:29:22,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:29:22,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:29:22,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:29:22,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:29:22,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:29:22,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:29:22,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:29:22,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:29:22,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:29:22,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:29:22,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:29:22,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:29:22,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:29:22,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:29:22,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:29:22,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:29:22,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:29:22,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:29:22,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:29:22,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:29:22,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:29:22,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:29:22,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:29:22,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:29:22,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:29:22,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:29:22,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:29:22,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:29:22,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:29:22,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:29:22,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:29:22,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:29:22,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:29:22,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:29:22,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 03:29:22,139 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:29:22,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:29:22,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:29:22,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:29:22,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:29:22,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:29:22,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:29:22,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:29:22,142 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:29:22,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:29:22,142 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:29:22,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:29:22,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:29:22,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:29:22,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:29:22,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:29:22,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:29:22,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:29:22,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:29:22,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:29:22,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:29:22,145 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:29:22,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:29:22,145 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:29:22,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:29:22,145 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:29:22,145 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:29:22,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:29:22,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:29:22,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:29:22,396 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:29:22,396 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:29:22,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c [2023-04-02 03:29:23,568 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:29:23,895 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:29:23,895 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c [2023-04-02 03:29:23,913 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04bd4cce/73a9584bc02b468dac466ceb0b6a0b59/FLAG00742424c [2023-04-02 03:29:23,927 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04bd4cce/73a9584bc02b468dac466ceb0b6a0b59 [2023-04-02 03:29:23,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:29:23,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:29:23,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:29:23,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:29:23,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:29:23,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:29:23" (1/1) ... [2023-04-02 03:29:23,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f0de02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:23, skipping insertion in model container [2023-04-02 03:29:23,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:29:23" (1/1) ... [2023-04-02 03:29:23,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:29:24,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:29:24,441 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_spec1_productSimulator.cil.c[35789,35802] [2023-04-02 03:29:24,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:29:24,523 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:29:24,584 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_spec1_productSimulator.cil.c[35789,35802] [2023-04-02 03:29:24,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:29:24,639 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:29:24,644 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:29:24,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24 WrapperNode [2023-04-02 03:29:24,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:29:24,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:29:24,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:29:24,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:29:24,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (1/1) ... [2023-04-02 03:29:24,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (1/1) ... [2023-04-02 03:29:24,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (1/1) ... [2023-04-02 03:29:24,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (1/1) ... [2023-04-02 03:29:24,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (1/1) ... [2023-04-02 03:29:24,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (1/1) ... [2023-04-02 03:29:24,745 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (1/1) ... [2023-04-02 03:29:24,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (1/1) ... [2023-04-02 03:29:24,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:29:24,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:29:24,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:29:24,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:29:24,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (1/1) ... [2023-04-02 03:29:24,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:29:24,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:29:24,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 03:29:24,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 03:29:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:29:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:29:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:29:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:29:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-02 03:29:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:29:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:29:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:29:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:29:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:29:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-04-02 03:29:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-04-02 03:29:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-04-02 03:29:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-04-02 03:29:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-04-02 03:29:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:29:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 03:29:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:29:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:29:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:29:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:29:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:29:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:29:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:29:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:29:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:29:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:29:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-04-02 03:29:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:29:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:29:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:29:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:29:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:29:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:29:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:29:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:29:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:29:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:29:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:29:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:29:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:29:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:29:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:29:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:29:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:29:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:29:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:29:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:29:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:29:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:29:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:29:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:29:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:29:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:29:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:29:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:29:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:29:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:29:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-02 03:29:24,865 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:29:24,866 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:29:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:29:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:29:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:29:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:29:24,890 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-04-02 03:29:24,891 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:29:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-04-02 03:29:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:29:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-04-02 03:29:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-04-02 03:29:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-04-02 03:29:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:29:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:29:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:29:25,226 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:29:25,229 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:29:26,333 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:29:26,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:29:26,349 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:29:26,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:29:26 BoogieIcfgContainer [2023-04-02 03:29:26,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:29:26,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:29:26,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:29:26,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:29:26,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:29:23" (1/3) ... [2023-04-02 03:29:26,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5edab054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:29:26, skipping insertion in model container [2023-04-02 03:29:26,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:24" (2/3) ... [2023-04-02 03:29:26,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5edab054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:29:26, skipping insertion in model container [2023-04-02 03:29:26,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:29:26" (3/3) ... [2023-04-02 03:29:26,356 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_productSimulator.cil.c [2023-04-02 03:29:26,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:29:26,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:29:26,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:29:26,412 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;@782c803c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:29:26,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:29:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 814 states, 522 states have (on average 1.4444444444444444) internal successors, (754), 557 states have internal predecessors, (754), 179 states have call successors, (179), 107 states have call predecessors, (179), 107 states have return successors, (179), 165 states have call predecessors, (179), 179 states have call successors, (179) [2023-04-02 03:29:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-02 03:29:26,437 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:29:26,438 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 03:29:26,438 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:29:26,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:29:26,445 INFO L85 PathProgramCache]: Analyzing trace with hash -911905089, now seen corresponding path program 1 times [2023-04-02 03:29:26,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:29:26,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260174273] [2023-04-02 03:29:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:29:26,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:29:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:29:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:29:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:29:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:29:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:29:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:29:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:29:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 03:29:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:29:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:29:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:29:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:29:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:29:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:29:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:28,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:29:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:28,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:29:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:28,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:29:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:28,016 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 03:29:28,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:29:28,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260174273] [2023-04-02 03:29:28,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260174273] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:29:28,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:29:28,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 03:29:28,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823532929] [2023-04-02 03:29:28,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:29:28,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 03:29:28,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:29:28,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 03:29:28,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-04-02 03:29:28,043 INFO L87 Difference]: Start difference. First operand has 814 states, 522 states have (on average 1.4444444444444444) internal successors, (754), 557 states have internal predecessors, (754), 179 states have call successors, (179), 107 states have call predecessors, (179), 107 states have return successors, (179), 165 states have call predecessors, (179), 179 states have call successors, (179) 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 03:29:41,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:29:41,965 INFO L93 Difference]: Finished difference Result 2045 states and 3029 transitions. [2023-04-02 03:29:41,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-04-02 03:29:41,968 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 03:29:41,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:29:42,005 INFO L225 Difference]: With dead ends: 2045 [2023-04-02 03:29:42,005 INFO L226 Difference]: Without dead ends: 1227 [2023-04-02 03:29:42,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=366, Invalid=1040, Unknown=0, NotChecked=0, Total=1406 [2023-04-02 03:29:42,048 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 6545 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 7753 mSolverCounterSat, 3395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6603 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 11148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3395 IncrementalHoareTripleChecker+Valid, 7753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:29:42,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6603 Valid, 140 Invalid, 11148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3395 Valid, 7753 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2023-04-02 03:29:42,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2023-04-02 03:29:42,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 785. [2023-04-02 03:29:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 507 states have (on average 1.4319526627218935) internal successors, (726), 539 states have internal predecessors, (726), 174 states have call successors, (174), 107 states have call predecessors, (174), 103 states have return successors, (169), 155 states have call predecessors, (169), 169 states have call successors, (169) [2023-04-02 03:29:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1069 transitions. [2023-04-02 03:29:42,542 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1069 transitions. Word has length 170 [2023-04-02 03:29:42,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:29:42,542 INFO L495 AbstractCegarLoop]: Abstraction has 785 states and 1069 transitions. [2023-04-02 03:29:42,542 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 03:29:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1069 transitions. [2023-04-02 03:29:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-02 03:29:42,547 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:29:42,547 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 03:29:42,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:29:42,548 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:29:42,548 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:29:42,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1263331897, now seen corresponding path program 1 times [2023-04-02 03:29:42,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:29:42,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749931108] [2023-04-02 03:29:42,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:29:42,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:29:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:29:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:29:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:29:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:29:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:29:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:29:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:29:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 03:29:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:29:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:29:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:29:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:29:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:29:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:29:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:29:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:29:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:29:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:43,350 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 03:29:43,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:29:43,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749931108] [2023-04-02 03:29:43,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749931108] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:29:43,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:29:43,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:29:43,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097965329] [2023-04-02 03:29:43,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:29:43,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:29:43,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:29:43,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:29:43,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:29:43,354 INFO L87 Difference]: Start difference. First operand 785 states and 1069 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 03:29:55,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:29:55,317 INFO L93 Difference]: Finished difference Result 1975 states and 2891 transitions. [2023-04-02 03:29:55,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-02 03:29:55,318 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 03:29:55,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:29:55,324 INFO L225 Difference]: With dead ends: 1975 [2023-04-02 03:29:55,324 INFO L226 Difference]: Without dead ends: 1226 [2023-04-02 03:29:55,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=230, Invalid=582, Unknown=0, NotChecked=0, Total=812 [2023-04-02 03:29:55,327 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 4321 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 3519 mSolverCounterSat, 2257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4321 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 5776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2257 IncrementalHoareTripleChecker+Valid, 3519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:29:55,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4321 Valid, 32 Invalid, 5776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2257 Valid, 3519 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2023-04-02 03:29:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2023-04-02 03:29:55,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 784. [2023-04-02 03:29:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 508 states have (on average 1.421259842519685) internal successors, (722), 538 states have internal predecessors, (722), 171 states have call successors, (171), 108 states have call predecessors, (171), 104 states have return successors, (166), 154 states have call predecessors, (166), 166 states have call successors, (166) [2023-04-02 03:29:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1059 transitions. [2023-04-02 03:29:55,693 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1059 transitions. Word has length 176 [2023-04-02 03:29:55,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:29:55,693 INFO L495 AbstractCegarLoop]: Abstraction has 784 states and 1059 transitions. [2023-04-02 03:29:55,693 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 03:29:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1059 transitions. [2023-04-02 03:29:55,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-02 03:29:55,697 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:29:55,698 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 03:29:55,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 03:29:55,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:29:55,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:29:55,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1723594059, now seen corresponding path program 1 times [2023-04-02 03:29:55,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:29:55,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441691490] [2023-04-02 03:29:55,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:29:55,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:29:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:29:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:29:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:29:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:29:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:29:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:29:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:29:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 03:29:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:29:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:29:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:29:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:29:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:29:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:29:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:29:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:29:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:29:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:29:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:29:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:56,497 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 03:29:56,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:29:56,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441691490] [2023-04-02 03:29:56,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441691490] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:29:56,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:29:56,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:29:56,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247832996] [2023-04-02 03:29:56,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:29:56,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:29:56,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:29:56,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:29:56,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:29:56,501 INFO L87 Difference]: Start difference. First operand 784 states and 1059 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 03:30:07,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:07,442 INFO L93 Difference]: Finished difference Result 1968 states and 2844 transitions. [2023-04-02 03:30:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:30:07,443 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 03:30:07,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:07,448 INFO L225 Difference]: With dead ends: 1968 [2023-04-02 03:30:07,448 INFO L226 Difference]: Without dead ends: 1225 [2023-04-02 03:30:07,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2023-04-02 03:30:07,450 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 7730 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2145 mSolverCounterSat, 3983 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7731 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 6128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3983 IncrementalHoareTripleChecker+Valid, 2145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:07,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7731 Valid, 31 Invalid, 6128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3983 Valid, 2145 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-04-02 03:30:07,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2023-04-02 03:30:07,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 783. [2023-04-02 03:30:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 508 states have (on average 1.4173228346456692) internal successors, (720), 537 states have internal predecessors, (720), 170 states have call successors, (170), 108 states have call predecessors, (170), 104 states have return successors, (165), 154 states have call predecessors, (165), 165 states have call successors, (165) [2023-04-02 03:30:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1055 transitions. [2023-04-02 03:30:07,802 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1055 transitions. Word has length 194 [2023-04-02 03:30:07,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:07,802 INFO L495 AbstractCegarLoop]: Abstraction has 783 states and 1055 transitions. [2023-04-02 03:30:07,802 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 03:30:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1055 transitions. [2023-04-02 03:30:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-04-02 03:30:07,805 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:07,805 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 03:30:07,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 03:30:07,805 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:07,805 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:07,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1394357907, now seen corresponding path program 1 times [2023-04-02 03:30:07,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:07,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588778244] [2023-04-02 03:30:07,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:30:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:30:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:30:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:30:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:30:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:30:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:30:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:30:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:30:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:30:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:30:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:30:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:30:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:30:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:08,491 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 03:30:08,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:08,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588778244] [2023-04-02 03:30:08,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588778244] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:08,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:30:08,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:30:08,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858630677] [2023-04-02 03:30:08,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:08,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:30:08,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:08,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:30:08,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:30:08,493 INFO L87 Difference]: Start difference. First operand 783 states and 1055 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 03:30:19,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:19,813 INFO L93 Difference]: Finished difference Result 1939 states and 2779 transitions. [2023-04-02 03:30:19,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 03:30:19,814 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 03:30:19,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:19,820 INFO L225 Difference]: With dead ends: 1939 [2023-04-02 03:30:19,820 INFO L226 Difference]: Without dead ends: 1222 [2023-04-02 03:30:19,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2023-04-02 03:30:19,822 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 4747 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 3605 mSolverCounterSat, 2551 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4747 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 6156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2551 IncrementalHoareTripleChecker+Valid, 3605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:19,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4747 Valid, 35 Invalid, 6156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2551 Valid, 3605 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-04-02 03:30:19,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2023-04-02 03:30:20,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 780. [2023-04-02 03:30:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 508 states have (on average 1.3956692913385826) internal successors, (709), 526 states have internal predecessors, (709), 167 states have call successors, (167), 108 states have call predecessors, (167), 104 states have return successors, (162), 154 states have call predecessors, (162), 162 states have call successors, (162) [2023-04-02 03:30:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1038 transitions. [2023-04-02 03:30:20,354 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1038 transitions. Word has length 195 [2023-04-02 03:30:20,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:20,356 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1038 transitions. [2023-04-02 03:30:20,356 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 03:30:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1038 transitions. [2023-04-02 03:30:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-02 03:30:20,359 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:20,360 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 03:30:20,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 03:30:20,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:20,361 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:20,361 INFO L85 PathProgramCache]: Analyzing trace with hash -97850836, now seen corresponding path program 1 times [2023-04-02 03:30:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:20,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468981128] [2023-04-02 03:30:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:20,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:30:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:30:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:30:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:30:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:30:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:30:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:30:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:30:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:30:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:30:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 03:30:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 03:30:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 03:30:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:21,429 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 03:30:21,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:21,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468981128] [2023-04-02 03:30:21,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468981128] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:30:21,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655923214] [2023-04-02 03:30:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:21,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:30:21,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:30:21,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:30:21,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 03:30:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:22,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 2913 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:30:22,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:30:22,091 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 03:30:22,091 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:30:22,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655923214] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:22,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:30:22,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [21] total 22 [2023-04-02 03:30:22,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043611121] [2023-04-02 03:30:22,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:22,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:30:22,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:22,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:30:22,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:30:22,092 INFO L87 Difference]: Start difference. First operand 780 states and 1038 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 03:30:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:22,486 INFO L93 Difference]: Finished difference Result 1213 states and 1595 transitions. [2023-04-02 03:30:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:30:22,487 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 03:30:22,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:22,491 INFO L225 Difference]: With dead ends: 1213 [2023-04-02 03:30:22,491 INFO L226 Difference]: Without dead ends: 783 [2023-04-02 03:30:22,492 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 03:30:22,494 INFO L413 NwaCegarLoop]: 1034 mSDtfsCounter, 1 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2066 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:22,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2066 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:30:22,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2023-04-02 03:30:22,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 782. [2023-04-02 03:30:22,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 510 states have (on average 1.3941176470588235) internal successors, (711), 528 states have internal predecessors, (711), 167 states have call successors, (167), 108 states have call predecessors, (167), 104 states have return successors, (162), 154 states have call predecessors, (162), 162 states have call successors, (162) [2023-04-02 03:30:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1040 transitions. [2023-04-02 03:30:22,846 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1040 transitions. Word has length 222 [2023-04-02 03:30:22,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:22,846 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 1040 transitions. [2023-04-02 03:30:22,847 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 03:30:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1040 transitions. [2023-04-02 03:30:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-04-02 03:30:22,849 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:22,849 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 03:30:22,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 03:30:23,058 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 03:30:23,058 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:23,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:23,059 INFO L85 PathProgramCache]: Analyzing trace with hash 539875944, now seen corresponding path program 1 times [2023-04-02 03:30:23,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:23,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439764569] [2023-04-02 03:30:23,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:23,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:30:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:30:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:30:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:30:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:30:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:30:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:23,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:30:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:30:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:30:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:30:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 03:30:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:30:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 03:30:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,117 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 03:30:24,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:24,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439764569] [2023-04-02 03:30:24,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439764569] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:30:24,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122754224] [2023-04-02 03:30:24,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:24,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:30:24,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:30:24,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:30:24,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 03:30:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:24,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 2927 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:30:24,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:30:24,731 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 03:30:24,731 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:30:24,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122754224] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:24,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:30:24,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [21] total 22 [2023-04-02 03:30:24,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090532824] [2023-04-02 03:30:24,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:24,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:30:24,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:24,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:30:24,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:30:24,734 INFO L87 Difference]: Start difference. First operand 782 states and 1040 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 03:30:25,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:25,277 INFO L93 Difference]: Finished difference Result 1502 states and 2036 transitions. [2023-04-02 03:30:25,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:30:25,278 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 03:30:25,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:25,282 INFO L225 Difference]: With dead ends: 1502 [2023-04-02 03:30:25,282 INFO L226 Difference]: Without dead ends: 837 [2023-04-02 03:30:25,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 289 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 03:30:25,284 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 68 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:25,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 2068 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:30:25,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2023-04-02 03:30:25,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 836. [2023-04-02 03:30:25,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 554 states have (on average 1.4061371841155235) internal successors, (779), 575 states have internal predecessors, (779), 177 states have call successors, (177), 108 states have call predecessors, (177), 104 states have return successors, (172), 164 states have call predecessors, (172), 172 states have call successors, (172) [2023-04-02 03:30:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1128 transitions. [2023-04-02 03:30:25,731 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1128 transitions. Word has length 230 [2023-04-02 03:30:25,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:25,732 INFO L495 AbstractCegarLoop]: Abstraction has 836 states and 1128 transitions. [2023-04-02 03:30:25,732 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 03:30:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1128 transitions. [2023-04-02 03:30:25,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-04-02 03:30:25,734 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:25,734 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 03:30:25,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-02 03:30:25,950 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 03:30:25,951 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:25,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:25,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1793499609, now seen corresponding path program 1 times [2023-04-02 03:30:25,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:25,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69972395] [2023-04-02 03:30:25,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:25,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:30:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:30:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:30:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:30:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:30:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:30:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:30:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:30:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:30:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 03:30:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 03:30:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 03:30:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-04-02 03:30:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:27,024 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 03:30:27,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:27,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69972395] [2023-04-02 03:30:27,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69972395] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:30:27,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168258788] [2023-04-02 03:30:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:27,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:30:27,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:30:27,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:30:27,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 03:30:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:27,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 2932 conjuncts, 10 conjunts are in the unsatisfiable core [2023-04-02 03:30:27,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:30:27,736 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 03:30:27,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:30:27,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168258788] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:27,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:30:27,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [21] total 29 [2023-04-02 03:30:27,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314472249] [2023-04-02 03:30:27,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:27,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:30:27,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:27,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:30:27,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2023-04-02 03:30:27,738 INFO L87 Difference]: Start difference. First operand 836 states and 1128 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 03:30:29,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:29,372 INFO L93 Difference]: Finished difference Result 1605 states and 2182 transitions. [2023-04-02 03:30:29,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 03:30:29,373 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 03:30:29,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:29,376 INFO L225 Difference]: With dead ends: 1605 [2023-04-02 03:30:29,376 INFO L226 Difference]: Without dead ends: 850 [2023-04-02 03:30:29,378 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 03:30:29,378 INFO L413 NwaCegarLoop]: 1042 mSDtfsCounter, 940 mSDsluCounter, 5901 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 6943 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:29,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 6943 Invalid, 2439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2436 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-02 03:30:29,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2023-04-02 03:30:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850. [2023-04-02 03:30:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 565 states have (on average 1.4088495575221238) internal successors, (796), 587 states have internal predecessors, (796), 177 states have call successors, (177), 110 states have call predecessors, (177), 107 states have return successors, (173), 164 states have call predecessors, (173), 172 states have call successors, (173) [2023-04-02 03:30:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1146 transitions. [2023-04-02 03:30:29,816 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1146 transitions. Word has length 231 [2023-04-02 03:30:29,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:29,816 INFO L495 AbstractCegarLoop]: Abstraction has 850 states and 1146 transitions. [2023-04-02 03:30:29,816 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 03:30:29,816 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1146 transitions. [2023-04-02 03:30:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-04-02 03:30:29,819 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:29,819 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 03:30:29,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 03:30:30,033 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 03:30:30,033 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:30,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:30,034 INFO L85 PathProgramCache]: Analyzing trace with hash -293290041, now seen corresponding path program 1 times [2023-04-02 03:30:30,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:30,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145572419] [2023-04-02 03:30:30,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:30,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:30:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:30:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:30:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:30:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:30:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:30:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 03:30:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:30:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:30:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 03:30:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:30:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 03:30:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-04-02 03:30:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,004 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 03:30:31,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:31,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145572419] [2023-04-02 03:30:31,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145572419] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:30:31,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659812225] [2023-04-02 03:30:31,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:31,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:30:31,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:30:31,021 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:30:31,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 03:30:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 2933 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:30:31,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:30:31,754 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 03:30:31,755 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:30:31,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659812225] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:31,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:30:31,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20] total 26 [2023-04-02 03:30:31,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526986463] [2023-04-02 03:30:31,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:31,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:30:31,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:31,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:30:31,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:30:31,759 INFO L87 Difference]: Start difference. First operand 850 states and 1146 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 03:30:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:32,982 INFO L93 Difference]: Finished difference Result 1606 states and 2186 transitions. [2023-04-02 03:30:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:30:32,983 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 03:30:32,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:32,986 INFO L225 Difference]: With dead ends: 1606 [2023-04-02 03:30:32,986 INFO L226 Difference]: Without dead ends: 852 [2023-04-02 03:30:32,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2023-04-02 03:30:32,988 INFO L413 NwaCegarLoop]: 1039 mSDtfsCounter, 935 mSDsluCounter, 4296 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 5335 SdHoareTripleChecker+Invalid, 1820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:32,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 5335 Invalid, 1820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1818 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 03:30:32,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2023-04-02 03:30:33,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2023-04-02 03:30:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 566 states have (on average 1.4081272084805654) internal successors, (797), 589 states have internal predecessors, (797), 177 states have call successors, (177), 110 states have call predecessors, (177), 108 states have return successors, (175), 164 states have call predecessors, (175), 172 states have call successors, (175) [2023-04-02 03:30:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1149 transitions. [2023-04-02 03:30:33,423 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1149 transitions. Word has length 232 [2023-04-02 03:30:33,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:33,423 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1149 transitions. [2023-04-02 03:30:33,423 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 03:30:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1149 transitions. [2023-04-02 03:30:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-04-02 03:30:33,425 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:33,425 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 03:30:33,449 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 03:30:33,633 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 03:30:33,634 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:33,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:33,634 INFO L85 PathProgramCache]: Analyzing trace with hash 830123777, now seen corresponding path program 1 times [2023-04-02 03:30:33,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:33,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911655179] [2023-04-02 03:30:33,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:33,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:30:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:30:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:30:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:30:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:30:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:30:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:30:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:30:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 03:30:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 03:30:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:30:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 03:30:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-04-02 03:30:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:34,616 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 03:30:34,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:34,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911655179] [2023-04-02 03:30:34,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911655179] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:34,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:30:34,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-04-02 03:30:34,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123299102] [2023-04-02 03:30:34,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:34,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-04-02 03:30:34,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:34,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-04-02 03:30:34,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-04-02 03:30:34,619 INFO L87 Difference]: Start difference. First operand 852 states and 1149 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 03:30:50,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:50,156 INFO L93 Difference]: Finished difference Result 2187 states and 3166 transitions. [2023-04-02 03:30:50,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-02 03:30:50,157 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 03:30:50,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:50,196 INFO L225 Difference]: With dead ends: 2187 [2023-04-02 03:30:50,197 INFO L226 Difference]: Without dead ends: 1442 [2023-04-02 03:30:50,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=740, Invalid=3042, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 03:30:50,202 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 6973 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 13543 mSolverCounterSat, 3626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6974 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 17169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3626 IncrementalHoareTripleChecker+Valid, 13543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:50,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6974 Valid, 150 Invalid, 17169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3626 Valid, 13543 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2023-04-02 03:30:50,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2023-04-02 03:30:50,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 862. [2023-04-02 03:30:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 575 states have (on average 1.4069565217391304) internal successors, (809), 597 states have internal predecessors, (809), 177 states have call successors, (177), 112 states have call predecessors, (177), 109 states have return successors, (174), 164 states have call predecessors, (174), 172 states have call successors, (174) [2023-04-02 03:30:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1160 transitions. [2023-04-02 03:30:50,649 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1160 transitions. Word has length 233 [2023-04-02 03:30:50,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:50,650 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1160 transitions. [2023-04-02 03:30:50,650 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 03:30:50,650 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1160 transitions. [2023-04-02 03:30:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-02 03:30:50,652 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:50,652 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 03:30:50,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:30:50,652 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:50,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:50,652 INFO L85 PathProgramCache]: Analyzing trace with hash 145104093, now seen corresponding path program 2 times [2023-04-02 03:30:50,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:50,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134861336] [2023-04-02 03:30:50,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:50,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:30:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:30:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:30:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:30:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:30:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:30:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:30:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:30:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:30:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:30:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-02 03:30:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 03:30:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 03:30:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 03:30:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 03:30:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:51,602 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 03:30:51,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:51,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134861336] [2023-04-02 03:30:51,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134861336] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:51,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:30:51,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:30:51,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396073166] [2023-04-02 03:30:51,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:51,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:30:51,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:51,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:30:51,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:30:51,604 INFO L87 Difference]: Start difference. First operand 862 states and 1160 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 03:31:07,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:31:07,611 INFO L93 Difference]: Finished difference Result 2187 states and 3163 transitions. [2023-04-02 03:31:07,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:31:07,612 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 03:31:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:31:07,622 INFO L225 Difference]: With dead ends: 2187 [2023-04-02 03:31:07,622 INFO L226 Difference]: Without dead ends: 1455 [2023-04-02 03:31:07,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=652, Invalid=2540, Unknown=0, NotChecked=0, Total=3192 [2023-04-02 03:31:07,630 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 4934 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 11796 mSolverCounterSat, 2794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4935 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 14590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2794 IncrementalHoareTripleChecker+Valid, 11796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:31:07,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4935 Valid, 134 Invalid, 14590 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2794 Valid, 11796 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2023-04-02 03:31:07,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2023-04-02 03:31:08,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 867. [2023-04-02 03:31:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 577 states have (on average 1.4055459272097053) internal successors, (811), 600 states have internal predecessors, (811), 178 states have call successors, (178), 112 states have call predecessors, (178), 111 states have return successors, (177), 166 states have call predecessors, (177), 173 states have call successors, (177) [2023-04-02 03:31:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1166 transitions. [2023-04-02 03:31:08,342 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1166 transitions. Word has length 234 [2023-04-02 03:31:08,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:31:08,342 INFO L495 AbstractCegarLoop]: Abstraction has 867 states and 1166 transitions. [2023-04-02 03:31:08,342 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 03:31:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1166 transitions. [2023-04-02 03:31:08,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 03:31:08,345 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:31:08,345 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 03:31:08,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:31:08,346 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:31:08,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:31:08,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1695367609, now seen corresponding path program 3 times [2023-04-02 03:31:08,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:31:08,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327765409] [2023-04-02 03:31:08,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:08,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:31:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:31:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:31:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:31:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:31:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:31:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:31:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:31:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:31:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:31:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:31:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:31:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:31:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:31:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:31:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:31:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:31:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:31:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:31:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 03:31:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 03:31:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 03:31:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,367 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 03:31:09,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:31:09,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327765409] [2023-04-02 03:31:09,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327765409] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:31:09,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:31:09,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-04-02 03:31:09,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306352254] [2023-04-02 03:31:09,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:31:09,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-04-02 03:31:09,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:31:09,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-04-02 03:31:09,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-04-02 03:31:09,369 INFO L87 Difference]: Start difference. First operand 867 states and 1166 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 03:31:25,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:31:25,205 INFO L93 Difference]: Finished difference Result 2185 states and 3162 transitions. [2023-04-02 03:31:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-02 03:31:25,206 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 03:31:25,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:31:25,211 INFO L225 Difference]: With dead ends: 2185 [2023-04-02 03:31:25,211 INFO L226 Difference]: Without dead ends: 1444 [2023-04-02 03:31:25,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=740, Invalid=3042, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 03:31:25,213 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3617 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 13211 mSolverCounterSat, 2067 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3618 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 15278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2067 IncrementalHoareTripleChecker+Valid, 13211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:31:25,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3618 Valid, 150 Invalid, 15278 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2067 Valid, 13211 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2023-04-02 03:31:25,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2023-04-02 03:31:25,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 862. [2023-04-02 03:31:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 575 states have (on average 1.4052173913043478) internal successors, (808), 597 states have internal predecessors, (808), 177 states have call successors, (177), 112 states have call predecessors, (177), 109 states have return successors, (174), 164 states have call predecessors, (174), 172 states have call successors, (174) [2023-04-02 03:31:25,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1159 transitions. [2023-04-02 03:31:25,662 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1159 transitions. Word has length 235 [2023-04-02 03:31:25,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:31:25,663 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1159 transitions. [2023-04-02 03:31:25,663 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 03:31:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1159 transitions. [2023-04-02 03:31:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 03:31:25,665 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:31:25,665 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 03:31:25,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:31:25,665 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:31:25,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:31:25,665 INFO L85 PathProgramCache]: Analyzing trace with hash 12525980, now seen corresponding path program 1 times [2023-04-02 03:31:25,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:31:25,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580339805] [2023-04-02 03:31:25,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:25,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:31:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:31:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:31:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:31:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:31:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:31:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:31:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:31:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:31:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:31:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:31:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:31:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:31:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:31:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:31:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:31:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:31:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:31:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 03:31:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 03:31:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 03:31:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:26,499 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 03:31:26,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:31:26,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580339805] [2023-04-02 03:31:26,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580339805] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:31:26,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:31:26,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:31:26,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503321948] [2023-04-02 03:31:26,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:31:26,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:31:26,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:31:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:31:26,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:31:26,501 INFO L87 Difference]: Start difference. First operand 862 states and 1159 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 03:31:41,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:31:41,904 INFO L93 Difference]: Finished difference Result 2178 states and 3150 transitions. [2023-04-02 03:31:41,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-02 03:31:41,905 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 03:31:41,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:31:41,909 INFO L225 Difference]: With dead ends: 2178 [2023-04-02 03:31:41,909 INFO L226 Difference]: Without dead ends: 1446 [2023-04-02 03:31:41,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=615, Invalid=2355, Unknown=0, NotChecked=0, Total=2970 [2023-04-02 03:31:41,912 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 4694 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 12351 mSolverCounterSat, 2494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4695 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 14845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2494 IncrementalHoareTripleChecker+Valid, 12351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:31:41,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4695 Valid, 138 Invalid, 14845 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2494 Valid, 12351 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2023-04-02 03:31:41,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2023-04-02 03:31:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 867. [2023-04-02 03:31:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 577 states have (on average 1.4038128249566724) internal successors, (810), 600 states have internal predecessors, (810), 178 states have call successors, (178), 112 states have call predecessors, (178), 111 states have return successors, (177), 166 states have call predecessors, (177), 173 states have call successors, (177) [2023-04-02 03:31:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1165 transitions. [2023-04-02 03:31:42,386 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1165 transitions. Word has length 235 [2023-04-02 03:31:42,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:31:42,387 INFO L495 AbstractCegarLoop]: Abstraction has 867 states and 1165 transitions. [2023-04-02 03:31:42,387 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 03:31:42,387 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1165 transitions. [2023-04-02 03:31:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 03:31:42,390 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:31:42,390 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 03:31:42,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:31:42,390 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:31:42,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:31:42,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1854182694, now seen corresponding path program 1 times [2023-04-02 03:31:42,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:31:42,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661572687] [2023-04-02 03:31:42,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:42,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:31:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:31:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:31:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:31:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:31:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:31:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:31:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:31:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:31:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:31:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:31:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:31:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:31:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:31:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:31:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:31:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:31:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:31:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 03:31:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 03:31:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 03:31:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:43,396 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 03:31:43,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:31:43,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661572687] [2023-04-02 03:31:43,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661572687] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:31:43,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:31:43,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:31:43,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941868515] [2023-04-02 03:31:43,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:31:43,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:31:43,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:31:43,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:31:43,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:31:43,398 INFO L87 Difference]: Start difference. First operand 867 states and 1165 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 03:31:59,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:31:59,264 INFO L93 Difference]: Finished difference Result 2176 states and 3147 transitions. [2023-04-02 03:31:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-04-02 03:31:59,265 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 03:31:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:31:59,270 INFO L225 Difference]: With dead ends: 2176 [2023-04-02 03:31:59,270 INFO L226 Difference]: Without dead ends: 1444 [2023-04-02 03:31:59,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=771, Invalid=2769, Unknown=0, NotChecked=0, Total=3540 [2023-04-02 03:31:59,273 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5802 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 12433 mSolverCounterSat, 2999 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5803 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 15432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2999 IncrementalHoareTripleChecker+Valid, 12433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:31:59,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5803 Valid, 138 Invalid, 15432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2999 Valid, 12433 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2023-04-02 03:31:59,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2023-04-02 03:31:59,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 862. [2023-04-02 03:31:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 575 states have (on average 1.4052173913043478) internal successors, (808), 597 states have internal predecessors, (808), 177 states have call successors, (177), 112 states have call predecessors, (177), 109 states have return successors, (173), 164 states have call predecessors, (173), 172 states have call successors, (173) [2023-04-02 03:31:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1158 transitions. [2023-04-02 03:31:59,721 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1158 transitions. Word has length 235 [2023-04-02 03:31:59,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:31:59,721 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1158 transitions. [2023-04-02 03:31:59,721 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 03:31:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1158 transitions. [2023-04-02 03:31:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-02 03:31:59,723 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:31:59,723 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 03:31:59,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 03:31:59,723 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:31:59,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:31:59,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1510321816, now seen corresponding path program 2 times [2023-04-02 03:31:59,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:31:59,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574016183] [2023-04-02 03:31:59,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:59,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:31:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:32:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:32:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:32:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:32:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:32:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:32:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:32:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:32:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:32:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:32:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:32:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:32:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:32:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:32:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:32:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 03:32:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 03:32:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:00,575 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 03:32:00,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:32:00,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574016183] [2023-04-02 03:32:00,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574016183] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:32:00,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:32:00,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:32:00,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488238706] [2023-04-02 03:32:00,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:32:00,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:32:00,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:32:00,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:32:00,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:32:00,577 INFO L87 Difference]: Start difference. First operand 862 states and 1158 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 03:32:14,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:32:14,465 INFO L93 Difference]: Finished difference Result 2182 states and 3156 transitions. [2023-04-02 03:32:14,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-02 03:32:14,465 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 03:32:14,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:32:14,470 INFO L225 Difference]: With dead ends: 2182 [2023-04-02 03:32:14,470 INFO L226 Difference]: Without dead ends: 1450 [2023-04-02 03:32:14,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=615, Invalid=2355, Unknown=0, NotChecked=0, Total=2970 [2023-04-02 03:32:14,472 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8279 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 12163 mSolverCounterSat, 4345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8280 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 16508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4345 IncrementalHoareTripleChecker+Valid, 12163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:32:14,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8280 Valid, 134 Invalid, 16508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4345 Valid, 12163 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-04-02 03:32:14,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2023-04-02 03:32:14,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 869. [2023-04-02 03:32:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 578 states have (on average 1.4031141868512111) internal successors, (811), 602 states have internal predecessors, (811), 178 states have call successors, (178), 112 states have call predecessors, (178), 112 states have return successors, (179), 166 states have call predecessors, (179), 173 states have call successors, (179) [2023-04-02 03:32:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1168 transitions. [2023-04-02 03:32:14,958 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1168 transitions. Word has length 236 [2023-04-02 03:32:14,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:32:14,959 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 1168 transitions. [2023-04-02 03:32:14,959 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 03:32:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1168 transitions. [2023-04-02 03:32:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-02 03:32:14,960 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:32:14,961 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 03:32:14,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:32:14,961 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:32:14,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:32:14,961 INFO L85 PathProgramCache]: Analyzing trace with hash 751251434, now seen corresponding path program 2 times [2023-04-02 03:32:14,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:32:14,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325222596] [2023-04-02 03:32:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:32:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:32:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:32:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:32:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:32:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:32:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:32:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:32:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:32:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:32:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:32:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:32:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:32:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:32:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:32:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:32:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:32:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 03:32:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 03:32:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:15,759 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 03:32:15,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:32:15,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325222596] [2023-04-02 03:32:15,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325222596] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:32:15,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:32:15,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:32:15,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645601360] [2023-04-02 03:32:15,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:32:15,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:32:15,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:32:15,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:32:15,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:32:15,761 INFO L87 Difference]: Start difference. First operand 869 states and 1168 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 03:32:32,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:32:32,453 INFO L93 Difference]: Finished difference Result 2184 states and 3158 transitions. [2023-04-02 03:32:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-04-02 03:32:32,454 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 03:32:32,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:32:32,459 INFO L225 Difference]: With dead ends: 2184 [2023-04-02 03:32:32,459 INFO L226 Difference]: Without dead ends: 1450 [2023-04-02 03:32:32,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=771, Invalid=2769, Unknown=0, NotChecked=0, Total=3540 [2023-04-02 03:32:32,461 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5278 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 11705 mSolverCounterSat, 3018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5279 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 14723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3018 IncrementalHoareTripleChecker+Valid, 11705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:32:32,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5279 Valid, 134 Invalid, 14723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3018 Valid, 11705 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2023-04-02 03:32:32,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2023-04-02 03:32:32,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 864. [2023-04-02 03:32:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 576 states have (on average 1.4045138888888888) internal successors, (809), 599 states have internal predecessors, (809), 177 states have call successors, (177), 112 states have call predecessors, (177), 110 states have return successors, (175), 164 states have call predecessors, (175), 172 states have call successors, (175) [2023-04-02 03:32:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1161 transitions. [2023-04-02 03:32:32,967 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1161 transitions. Word has length 236 [2023-04-02 03:32:32,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:32:32,968 INFO L495 AbstractCegarLoop]: Abstraction has 864 states and 1161 transitions. [2023-04-02 03:32:32,968 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 03:32:32,968 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1161 transitions. [2023-04-02 03:32:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-04-02 03:32:32,970 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:32:32,970 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 03:32:32,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:32:32,971 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:32:32,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:32:32,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1904499809, now seen corresponding path program 1 times [2023-04-02 03:32:32,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:32:32,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587619042] [2023-04-02 03:32:32,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:32:32,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:32:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:32:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:32:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:32:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:32:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:32:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:32:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:32:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:32:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:32:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:32:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:32:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:32:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 03:32:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 03:32:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 03:32:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 03:32:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-04-02 03:32:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:33,643 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 03:32:33,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:32:33,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587619042] [2023-04-02 03:32:33,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587619042] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:32:33,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339515684] [2023-04-02 03:32:33,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:32:33,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:32:33,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:32:33,645 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:32:33,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 03:32:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:34,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 2938 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:32:34,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:32:34,144 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 03:32:34,144 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:32:34,367 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 03:32:34,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339515684] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:32:34,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:32:34,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2023-04-02 03:32:34,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376152256] [2023-04-02 03:32:34,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:32:34,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 03:32:34,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:32:34,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 03:32:34,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-04-02 03:32:34,369 INFO L87 Difference]: Start difference. First operand 864 states and 1161 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) [2023-04-02 03:32:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:32:50,430 INFO L93 Difference]: Finished difference Result 2579 states and 3953 transitions. [2023-04-02 03:32:50,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-04-02 03:32:50,430 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 237 [2023-04-02 03:32:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:32:50,437 INFO L225 Difference]: With dead ends: 2579 [2023-04-02 03:32:50,437 INFO L226 Difference]: Without dead ends: 2149 [2023-04-02 03:32:50,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=499, Invalid=1141, Unknown=0, NotChecked=0, Total=1640 [2023-04-02 03:32:50,439 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5055 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 6849 mSolverCounterSat, 2036 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5111 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 8885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2036 IncrementalHoareTripleChecker+Valid, 6849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:32:50,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5111 Valid, 74 Invalid, 8885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2036 Valid, 6849 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2023-04-02 03:32:50,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2023-04-02 03:32:51,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1148. [2023-04-02 03:32:51,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 807 states have (on average 1.4374225526641884) internal successors, (1160), 845 states have internal predecessors, (1160), 230 states have call successors, (230), 112 states have call predecessors, (230), 110 states have return successors, (228), 217 states have call predecessors, (228), 225 states have call successors, (228) [2023-04-02 03:32:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1618 transitions. [2023-04-02 03:32:51,240 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1618 transitions. Word has length 237 [2023-04-02 03:32:51,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:32:51,240 INFO L495 AbstractCegarLoop]: Abstraction has 1148 states and 1618 transitions. [2023-04-02 03:32:51,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2023-04-02 03:32:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1618 transitions. [2023-04-02 03:32:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-04-02 03:32:51,243 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:32:51,243 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:32:51,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 03:32:51,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-04-02 03:32:51,452 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:32:51,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:32:51,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1053385862, now seen corresponding path program 1 times [2023-04-02 03:32:51,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:32:51,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772996978] [2023-04-02 03:32:51,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:32:51,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:32:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:32:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:32:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:32:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:32:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:32:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:32:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:32:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:32:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:32:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:32:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:32:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:32:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:32:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:32:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 03:32:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 03:32:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-04-02 03:32:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 03:32:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-04-02 03:32:52,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:32:52,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772996978] [2023-04-02 03:32:52,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772996978] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:32:52,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:32:52,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:32:52,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720331999] [2023-04-02 03:32:52,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:32:52,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:32:52,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:32:52,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:32:52,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:32:52,101 INFO L87 Difference]: Start difference. First operand 1148 states and 1618 transitions. Second operand has 13 states, 12 states have (on average 10.833333333333334) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36) [2023-04-02 03:33:05,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:05,518 INFO L93 Difference]: Finished difference Result 3832 states and 6046 transitions. [2023-04-02 03:33:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 03:33:05,519 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.833333333333334) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36) Word has length 241 [2023-04-02 03:33:05,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:05,527 INFO L225 Difference]: With dead ends: 3832 [2023-04-02 03:33:05,527 INFO L226 Difference]: Without dead ends: 2845 [2023-04-02 03:33:05,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=278, Invalid=592, Unknown=0, NotChecked=0, Total=870 [2023-04-02 03:33:05,530 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5641 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 3928 mSolverCounterSat, 2877 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5697 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 6805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2877 IncrementalHoareTripleChecker+Valid, 3928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:33:05,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5697 Valid, 48 Invalid, 6805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2877 Valid, 3928 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-04-02 03:33:05,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2845 states. [2023-04-02 03:33:06,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2845 to 1414. [2023-04-02 03:33:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1025 states have (on average 1.4468292682926829) internal successors, (1483), 1073 states have internal predecessors, (1483), 278 states have call successors, (278), 112 states have call predecessors, (278), 110 states have return successors, (276), 265 states have call predecessors, (276), 273 states have call successors, (276) [2023-04-02 03:33:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 2037 transitions. [2023-04-02 03:33:06,777 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 2037 transitions. Word has length 241 [2023-04-02 03:33:06,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:06,777 INFO L495 AbstractCegarLoop]: Abstraction has 1414 states and 2037 transitions. [2023-04-02 03:33:06,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.833333333333334) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36) [2023-04-02 03:33:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 2037 transitions. [2023-04-02 03:33:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-04-02 03:33:06,781 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:06,781 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:06,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 03:33:06,781 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:06,781 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:06,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1845053503, now seen corresponding path program 1 times [2023-04-02 03:33:06,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:06,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806601088] [2023-04-02 03:33:06,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:06,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:33:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:33:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:33:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:33:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:33:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:33:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:33:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:33:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:33:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:33:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:33:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:33:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:33:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:33:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:33:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:33:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 03:33:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-04-02 03:33:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 03:33:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-04-02 03:33:07,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:07,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806601088] [2023-04-02 03:33:07,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806601088] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:07,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:33:07,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:33:07,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258884645] [2023-04-02 03:33:07,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:07,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:33:07,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:07,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:33:07,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:33:07,395 INFO L87 Difference]: Start difference. First operand 1414 states and 2037 transitions. Second operand has 13 states, 12 states have (on average 10.916666666666666) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36) [2023-04-02 03:33:23,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:23,892 INFO L93 Difference]: Finished difference Result 5266 states and 8533 transitions. [2023-04-02 03:33:23,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 03:33:23,893 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.916666666666666) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36) Word has length 242 [2023-04-02 03:33:23,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:23,906 INFO L225 Difference]: With dead ends: 5266 [2023-04-02 03:33:23,907 INFO L226 Difference]: Without dead ends: 4047 [2023-04-02 03:33:23,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=278, Invalid=592, Unknown=0, NotChecked=0, Total=870 [2023-04-02 03:33:23,911 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 2565 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 4182 mSolverCounterSat, 1129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2621 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1129 IncrementalHoareTripleChecker+Valid, 4182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:33:23,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2621 Valid, 50 Invalid, 5311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1129 Valid, 4182 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2023-04-02 03:33:23,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4047 states. [2023-04-02 03:33:25,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4047 to 1830. [2023-04-02 03:33:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1830 states, 1367 states have (on average 1.4557425018288221) internal successors, (1990), 1436 states have internal predecessors, (1990), 352 states have call successors, (352), 112 states have call predecessors, (352), 110 states have return successors, (350), 339 states have call predecessors, (350), 347 states have call successors, (350) [2023-04-02 03:33:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2692 transitions. [2023-04-02 03:33:25,808 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2692 transitions. Word has length 242 [2023-04-02 03:33:25,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:25,808 INFO L495 AbstractCegarLoop]: Abstraction has 1830 states and 2692 transitions. [2023-04-02 03:33:25,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.916666666666666) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36) [2023-04-02 03:33:25,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2692 transitions. [2023-04-02 03:33:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-04-02 03:33:25,812 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:25,812 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:25,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 03:33:25,812 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:25,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:25,812 INFO L85 PathProgramCache]: Analyzing trace with hash -127556288, now seen corresponding path program 1 times [2023-04-02 03:33:25,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:25,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356694208] [2023-04-02 03:33:25,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:25,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:33:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:33:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:33:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:33:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:33:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:33:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:33:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:33:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:33:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:33:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:33:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:33:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:33:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:33:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 03:33:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:33:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 03:33:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-04-02 03:33:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-04-02 03:33:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-04-02 03:33:26,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:26,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356694208] [2023-04-02 03:33:26,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356694208] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:26,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:33:26,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:33:26,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035426476] [2023-04-02 03:33:26,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:26,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:33:26,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:26,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:33:26,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:33:26,482 INFO L87 Difference]: Start difference. First operand 1830 states and 2692 transitions. Second operand has 13 states, 12 states have (on average 11.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (48), 12 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 3 states have call successors, (36)