/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_spec0_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:13:50,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:13:50,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:13:50,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:13:50,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:13:50,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:13:50,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:13:50,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:13:50,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:13:50,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:13:50,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:13:50,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:13:50,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:13:50,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:13:50,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:13:50,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:13:50,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:13:50,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:13:50,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:13:50,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:13:50,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:13:50,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:13:50,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:13:50,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:13:50,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:13:50,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:13:50,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:13:50,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:13:50,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:13:50,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:13:50,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:13:50,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:13:50,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:13:50,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:13:50,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:13:50,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:13:50,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:13:50,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:13:50,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:13:50,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:13:50,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:13:50,313 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 03:13:50,346 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:13:50,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:13:50,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:13:50,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:13:50,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:13:50,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:13:50,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:13:50,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:13:50,349 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:13:50,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:13:50,350 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:13:50,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:13:50,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:13:50,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:13:50,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:13:50,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:13:50,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:13:50,351 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:13:50,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:13:50,351 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:13:50,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:13:50,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:13:50,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:13:50,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:13:50,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:13:50,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:13:50,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:13:50,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:13:50,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:13:50,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:13:50,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:13:50,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:13:50,353 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:13:50,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:13:50,354 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:13:50,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:13:50,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:13:50,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:13:50,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:13:50,619 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:13:50,619 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:13:50,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product11.cil.c [2023-04-02 03:13:51,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:13:52,119 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:13:52,120 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product11.cil.c [2023-04-02 03:13:52,148 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8d9f7bf/a4310fa5b76e4d17a7ce5277def373b5/FLAGf4f9e8897 [2023-04-02 03:13:52,161 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8d9f7bf/a4310fa5b76e4d17a7ce5277def373b5 [2023-04-02 03:13:52,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:13:52,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:13:52,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:13:52,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:13:52,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:13:52,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:52,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2618770c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52, skipping insertion in model container [2023-04-02 03:13:52,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:52,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:13:52,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:13:52,740 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_spec0_product11.cil.c[59717,59730] [2023-04-02 03:13:52,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:13:52,768 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:13:52,880 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_spec0_product11.cil.c[59717,59730] [2023-04-02 03:13:52,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:13:52,910 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:13:52,916 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:13:52,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52 WrapperNode [2023-04-02 03:13:52,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:13:52,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:13:52,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:13:52,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:13:52,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:52,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:52,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:52,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:53,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:53,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:53,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:53,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:53,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:13:53,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:13:53,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:13:53,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:13:53,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (1/1) ... [2023-04-02 03:13:53,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:13:53,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:13:53,099 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 03:13:53,102 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 03:13:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:13:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:13:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:13:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:13:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:13:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:13:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:13:53,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:13:53,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:13:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:13:53,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:13:53,139 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:13:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:13:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:13:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:13:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:13:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 03:13:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-02 03:13:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:13:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:13:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:13:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:13:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:13:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:13:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:13:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:13:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:13:53,142 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:13:53,143 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:13:53,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:13:53,145 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:13:53,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:13:53,147 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:13:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:13:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:13:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:13:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:13:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:13:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:13:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:13:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:13:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:13:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:13:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:13:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:13:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:13:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:13:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:13:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:13:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:13:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:13:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:13:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:13:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:13:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:13:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:13:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:13:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:13:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:13:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:13:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:13:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:13:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:13:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:13:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:13:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:13:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:13:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:13:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:13:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:13:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:13:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:13:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:13:53,472 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:13:53,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:13:54,494 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:13:54,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:13:54,506 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:13:54,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:13:54 BoogieIcfgContainer [2023-04-02 03:13:54,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:13:54,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:13:54,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:13:54,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:13:54,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:13:52" (1/3) ... [2023-04-02 03:13:54,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fee1033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:13:54, skipping insertion in model container [2023-04-02 03:13:54,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:52" (2/3) ... [2023-04-02 03:13:54,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fee1033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:13:54, skipping insertion in model container [2023-04-02 03:13:54,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:13:54" (3/3) ... [2023-04-02 03:13:54,515 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product11.cil.c [2023-04-02 03:13:54,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:13:54,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:13:54,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:13:54,657 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;@538f902f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:13:54,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:13:54,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 386 states, 243 states have (on average 1.4032921810699588) internal successors, (341), 248 states have internal predecessors, (341), 82 states have call successors, (82), 56 states have call predecessors, (82), 56 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-04-02 03:13:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-04-02 03:13:54,681 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:13:54,682 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:13:54,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:13:54,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:13:54,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1534846680, now seen corresponding path program 1 times [2023-04-02 03:13:54,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:13:54,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947020049] [2023-04-02 03:13:54,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:13:54,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:13:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:13:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:13:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:13:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:13:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:13:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:13:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:13:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:13:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:13:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:13:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:13:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:13:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:13:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:13:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:13:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:13:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:13:56,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:13:56,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947020049] [2023-04-02 03:13:56,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947020049] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:13:56,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:13:56,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:13:56,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301696733] [2023-04-02 03:13:56,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:13:56,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:13:56,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:13:56,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:13:56,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:13:56,145 INFO L87 Difference]: Start difference. First operand has 386 states, 243 states have (on average 1.4032921810699588) internal successors, (341), 248 states have internal predecessors, (341), 82 states have call successors, (82), 56 states have call predecessors, (82), 56 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:14:02,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:02,595 INFO L93 Difference]: Finished difference Result 853 states and 1268 transitions. [2023-04-02 03:14:02,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 03:14:02,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 157 [2023-04-02 03:14:02,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:02,615 INFO L225 Difference]: With dead ends: 853 [2023-04-02 03:14:02,615 INFO L226 Difference]: Without dead ends: 630 [2023-04-02 03:14:02,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:14:02,623 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1270 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:02,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 155 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-04-02 03:14:02,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2023-04-02 03:14:02,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 363. [2023-04-02 03:14:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 232 states have (on average 1.4008620689655173) internal successors, (325), 234 states have internal predecessors, (325), 78 states have call successors, (78), 56 states have call predecessors, (78), 52 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2023-04-02 03:14:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 476 transitions. [2023-04-02 03:14:02,927 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 476 transitions. Word has length 157 [2023-04-02 03:14:02,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:02,928 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 476 transitions. [2023-04-02 03:14:02,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 2 states have internal predecessors, (73), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:14:02,928 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 476 transitions. [2023-04-02 03:14:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-02 03:14:02,934 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:02,934 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:14:02,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:14:02,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:02,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:02,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1868135450, now seen corresponding path program 1 times [2023-04-02 03:14:02,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:02,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748220400] [2023-04-02 03:14:02,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:02,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:14:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:14:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:14:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:14:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:14:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:14:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:14:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:14:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:14:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:14:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:14:04,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:04,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748220400] [2023-04-02 03:14:04,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748220400] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:14:04,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759521178] [2023-04-02 03:14:04,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:14:04,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:14:04,141 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 03:14:04,148 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 03:14:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:04,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:14:04,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:14:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:14:04,597 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:14:04,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759521178] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:04,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:14:04,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-04-02 03:14:04,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826349371] [2023-04-02 03:14:04,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:04,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:14:04,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:04,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:14:04,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:14:04,601 INFO L87 Difference]: Start difference. First operand 363 states and 476 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:14:04,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:04,868 INFO L93 Difference]: Finished difference Result 497 states and 632 transitions. [2023-04-02 03:14:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:14:04,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 158 [2023-04-02 03:14:04,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:04,871 INFO L225 Difference]: With dead ends: 497 [2023-04-02 03:14:04,872 INFO L226 Difference]: Without dead ends: 366 [2023-04-02 03:14:04,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:14:04,874 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 1 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 946 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 03:14:04,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 946 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:14:04,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-04-02 03:14:05,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 365. [2023-04-02 03:14:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 234 states have (on average 1.3974358974358974) internal successors, (327), 236 states have internal predecessors, (327), 78 states have call successors, (78), 56 states have call predecessors, (78), 52 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2023-04-02 03:14:05,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 478 transitions. [2023-04-02 03:14:05,132 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 478 transitions. Word has length 158 [2023-04-02 03:14:05,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:05,133 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 478 transitions. [2023-04-02 03:14:05,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:14:05,133 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 478 transitions. [2023-04-02 03:14:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-04-02 03:14:05,136 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:05,136 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:14:05,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 03:14:05,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:14:05,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:05,345 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:05,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1651335142, now seen corresponding path program 1 times [2023-04-02 03:14:05,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:05,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643209413] [2023-04-02 03:14:05,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:05,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:14:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:14:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:14:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:14:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:14:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:14:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:14:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:14:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:14:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:14:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,431 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:14:06,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:06,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643209413] [2023-04-02 03:14:06,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643209413] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:14:06,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394490852] [2023-04-02 03:14:06,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:06,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:14:06,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:14:06,436 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 03:14:06,462 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 03:14:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:06,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 1941 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:14:06,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:14:06,884 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:14:06,885 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:14:06,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394490852] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:06,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:14:06,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-04-02 03:14:06,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953911759] [2023-04-02 03:14:06,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:06,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:14:06,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:06,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:14:06,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:14:06,887 INFO L87 Difference]: Start difference. First operand 365 states and 478 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:14:07,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:07,173 INFO L93 Difference]: Finished difference Result 706 states and 954 transitions. [2023-04-02 03:14:07,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:14:07,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 164 [2023-04-02 03:14:07,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:07,176 INFO L225 Difference]: With dead ends: 706 [2023-04-02 03:14:07,176 INFO L226 Difference]: Without dead ends: 406 [2023-04-02 03:14:07,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:14:07,178 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 52 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 956 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 03:14:07,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 956 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:14:07,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-04-02 03:14:07,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 405. [2023-04-02 03:14:07,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 266 states have (on average 1.4285714285714286) internal successors, (380), 268 states have internal predecessors, (380), 86 states have call successors, (86), 56 states have call predecessors, (86), 52 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-04-02 03:14:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 547 transitions. [2023-04-02 03:14:07,438 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 547 transitions. Word has length 164 [2023-04-02 03:14:07,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:07,439 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 547 transitions. [2023-04-02 03:14:07,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:14:07,439 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 547 transitions. [2023-04-02 03:14:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-02 03:14:07,442 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:07,442 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:14:07,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 03:14:07,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-04-02 03:14:07,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:07,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:07,652 INFO L85 PathProgramCache]: Analyzing trace with hash 946485906, now seen corresponding path program 1 times [2023-04-02 03:14:07,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:07,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512926860] [2023-04-02 03:14:07,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:07,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:14:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:14:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:14:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:14:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:14:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:14:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:14:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:14:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:14:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:14:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:14:08,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:08,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512926860] [2023-04-02 03:14:08,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512926860] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:14:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623791196] [2023-04-02 03:14:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:08,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:14:08,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:14:08,628 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 03:14:08,653 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 03:14:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:09,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:14:09,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:14:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 03:14:09,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:14:09,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623791196] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:09,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:14:09,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 23 [2023-04-02 03:14:09,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158781115] [2023-04-02 03:14:09,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:09,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:14:09,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:09,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:14:09,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:14:09,277 INFO L87 Difference]: Start difference. First operand 405 states and 547 transitions. Second operand has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 03:14:10,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:10,113 INFO L93 Difference]: Finished difference Result 788 states and 1074 transitions. [2023-04-02 03:14:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:14:10,114 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 165 [2023-04-02 03:14:10,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:10,118 INFO L225 Difference]: With dead ends: 788 [2023-04-02 03:14:10,118 INFO L226 Difference]: Without dead ends: 419 [2023-04-02 03:14:10,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:14:10,122 INFO L413 NwaCegarLoop]: 481 mSDtfsCounter, 440 mSDsluCounter, 1862 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 2343 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:10,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 2343 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 03:14:10,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2023-04-02 03:14:10,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2023-04-02 03:14:10,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 277 states have (on average 1.4332129963898916) internal successors, (397), 280 states have internal predecessors, (397), 86 states have call successors, (86), 58 states have call predecessors, (86), 55 states have return successors, (82), 81 states have call predecessors, (82), 81 states have call successors, (82) [2023-04-02 03:14:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 565 transitions. [2023-04-02 03:14:10,420 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 565 transitions. Word has length 165 [2023-04-02 03:14:10,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:10,420 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 565 transitions. [2023-04-02 03:14:10,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.142857142857142) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 03:14:10,421 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 565 transitions. [2023-04-02 03:14:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-02 03:14:10,423 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:10,423 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:14:10,433 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 03:14:10,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:14:10,632 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:10,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:10,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1641002887, now seen corresponding path program 1 times [2023-04-02 03:14:10,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:10,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044461268] [2023-04-02 03:14:10,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:10,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:14:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:14:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 03:14:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:14:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 03:14:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:14:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:14:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:14:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:14:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:14:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,592 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:14:11,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:11,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044461268] [2023-04-02 03:14:11,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044461268] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:14:11,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684992565] [2023-04-02 03:14:11,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:11,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:14:11,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:14:11,594 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 03:14:11,596 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 03:14:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:12,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:14:12,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:14:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 03:14:12,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:14:12,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684992565] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:12,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:14:12,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 22 [2023-04-02 03:14:12,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537359202] [2023-04-02 03:14:12,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:12,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:14:12,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:12,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:14:12,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:14:12,152 INFO L87 Difference]: Start difference. First operand 419 states and 565 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2023-04-02 03:14:12,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:12,813 INFO L93 Difference]: Finished difference Result 789 states and 1078 transitions. [2023-04-02 03:14:12,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:14:12,814 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 166 [2023-04-02 03:14:12,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:12,817 INFO L225 Difference]: With dead ends: 789 [2023-04-02 03:14:12,817 INFO L226 Difference]: Without dead ends: 421 [2023-04-02 03:14:12,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:14:12,819 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 426 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:12,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 1915 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 03:14:12,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-04-02 03:14:13,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2023-04-02 03:14:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 278 states have (on average 1.4316546762589928) internal successors, (398), 282 states have internal predecessors, (398), 86 states have call successors, (86), 58 states have call predecessors, (86), 56 states have return successors, (84), 81 states have call predecessors, (84), 81 states have call successors, (84) [2023-04-02 03:14:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 568 transitions. [2023-04-02 03:14:13,054 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 568 transitions. Word has length 166 [2023-04-02 03:14:13,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:13,054 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 568 transitions. [2023-04-02 03:14:13,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2023-04-02 03:14:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 568 transitions. [2023-04-02 03:14:13,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-04-02 03:14:13,056 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:13,057 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:14:13,068 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 03:14:13,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:14:13,265 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:13,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:13,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1988214476, now seen corresponding path program 1 times [2023-04-02 03:14:13,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:13,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477299793] [2023-04-02 03:14:13,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:13,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:14:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:14:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 03:14:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:14:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 03:14:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:14:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:14:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:14:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:14:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:14:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:14:14,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:14,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477299793] [2023-04-02 03:14:14,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477299793] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:14,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:14,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 03:14:14,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000947735] [2023-04-02 03:14:14,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:14,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 03:14:14,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:14,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 03:14:14,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-02 03:14:14,207 INFO L87 Difference]: Start difference. First operand 421 states and 568 transitions. Second operand has 17 states, 14 states have (on average 6.214285714285714) internal successors, (87), 9 states have internal predecessors, (87), 6 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 03:14:23,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:23,743 INFO L93 Difference]: Finished difference Result 1150 states and 1703 transitions. [2023-04-02 03:14:23,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-04-02 03:14:23,745 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 6.214285714285714) internal successors, (87), 9 states have internal predecessors, (87), 6 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 167 [2023-04-02 03:14:23,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:23,749 INFO L225 Difference]: With dead ends: 1150 [2023-04-02 03:14:23,750 INFO L226 Difference]: Without dead ends: 788 [2023-04-02 03:14:23,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2023-04-02 03:14:23,752 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1766 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 5592 mSolverCounterSat, 867 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 6459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 867 IncrementalHoareTripleChecker+Valid, 5592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:23,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 79 Invalid, 6459 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [867 Valid, 5592 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-04-02 03:14:23,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2023-04-02 03:14:23,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 431. [2023-04-02 03:14:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 287 states have (on average 1.4285714285714286) internal successors, (410), 290 states have internal predecessors, (410), 86 states have call successors, (86), 60 states have call predecessors, (86), 57 states have return successors, (83), 81 states have call predecessors, (83), 81 states have call successors, (83) [2023-04-02 03:14:23,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 579 transitions. [2023-04-02 03:14:23,985 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 579 transitions. Word has length 167 [2023-04-02 03:14:23,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:23,986 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 579 transitions. [2023-04-02 03:14:23,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 6.214285714285714) internal successors, (87), 9 states have internal predecessors, (87), 6 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 03:14:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 579 transitions. [2023-04-02 03:14:23,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-02 03:14:23,988 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:23,989 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:14:23,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:14:23,989 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:23,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:23,989 INFO L85 PathProgramCache]: Analyzing trace with hash -382203871, now seen corresponding path program 2 times [2023-04-02 03:14:23,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:23,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443157893] [2023-04-02 03:14:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:23,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:14:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:14:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:14:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 03:14:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 03:14:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:14:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:14:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:14:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:14:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:14:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:14:25,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:25,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443157893] [2023-04-02 03:14:25,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443157893] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:25,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:25,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:14:25,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037302954] [2023-04-02 03:14:25,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:25,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:14:25,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:25,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:14:25,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:14:25,004 INFO L87 Difference]: Start difference. First operand 431 states and 579 transitions. Second operand has 18 states, 15 states have (on average 6.066666666666666) internal successors, (91), 9 states have internal predecessors, (91), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:14:35,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:35,168 INFO L93 Difference]: Finished difference Result 1152 states and 1708 transitions. [2023-04-02 03:14:35,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-02 03:14:35,177 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.066666666666666) internal successors, (91), 9 states have internal predecessors, (91), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 168 [2023-04-02 03:14:35,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:35,181 INFO L225 Difference]: With dead ends: 1152 [2023-04-02 03:14:35,182 INFO L226 Difference]: Without dead ends: 801 [2023-04-02 03:14:35,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=421, Invalid=1741, Unknown=0, NotChecked=0, Total=2162 [2023-04-02 03:14:35,184 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1267 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 6339 mSolverCounterSat, 636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 6975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 636 IncrementalHoareTripleChecker+Valid, 6339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:35,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 88 Invalid, 6975 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [636 Valid, 6339 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 03:14:35,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2023-04-02 03:14:35,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 436. [2023-04-02 03:14:35,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 289 states have (on average 1.42560553633218) internal successors, (412), 293 states have internal predecessors, (412), 87 states have call successors, (87), 60 states have call predecessors, (87), 59 states have return successors, (86), 83 states have call predecessors, (86), 82 states have call successors, (86) [2023-04-02 03:14:35,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 585 transitions. [2023-04-02 03:14:35,423 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 585 transitions. Word has length 168 [2023-04-02 03:14:35,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:35,423 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 585 transitions. [2023-04-02 03:14:35,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.066666666666666) internal successors, (91), 9 states have internal predecessors, (91), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:14:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 585 transitions. [2023-04-02 03:14:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-02 03:14:35,426 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:35,426 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:14:35,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 03:14:35,426 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:35,426 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:35,426 INFO L85 PathProgramCache]: Analyzing trace with hash -681024176, now seen corresponding path program 3 times [2023-04-02 03:14:35,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:35,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779515873] [2023-04-02 03:14:35,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:35,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:14:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:14:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:14:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:14:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 03:14:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:14:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:14:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:14:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:14:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:14:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-02 03:14:36,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:36,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779515873] [2023-04-02 03:14:36,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779515873] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:36,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:36,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 03:14:36,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442440733] [2023-04-02 03:14:36,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:36,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 03:14:36,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:36,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 03:14:36,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-04-02 03:14:36,349 INFO L87 Difference]: Start difference. First operand 436 states and 585 transitions. Second operand has 17 states, 14 states have (on average 6.285714285714286) internal successors, (88), 9 states have internal predecessors, (88), 6 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 03:14:45,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:45,156 INFO L93 Difference]: Finished difference Result 1148 states and 1699 transitions. [2023-04-02 03:14:45,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-04-02 03:14:45,156 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 6.285714285714286) internal successors, (88), 9 states have internal predecessors, (88), 6 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 169 [2023-04-02 03:14:45,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:45,160 INFO L225 Difference]: With dead ends: 1148 [2023-04-02 03:14:45,160 INFO L226 Difference]: Without dead ends: 790 [2023-04-02 03:14:45,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2023-04-02 03:14:45,162 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1571 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 5696 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 6461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 5696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:45,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1575 Valid, 77 Invalid, 6461 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [765 Valid, 5696 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-04-02 03:14:45,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2023-04-02 03:14:45,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 431. [2023-04-02 03:14:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 287 states have (on average 1.4250871080139373) internal successors, (409), 290 states have internal predecessors, (409), 86 states have call successors, (86), 60 states have call predecessors, (86), 57 states have return successors, (83), 81 states have call predecessors, (83), 81 states have call successors, (83) [2023-04-02 03:14:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 578 transitions. [2023-04-02 03:14:45,383 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 578 transitions. Word has length 169 [2023-04-02 03:14:45,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:45,383 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 578 transitions. [2023-04-02 03:14:45,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 6.285714285714286) internal successors, (88), 9 states have internal predecessors, (88), 6 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 03:14:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 578 transitions. [2023-04-02 03:14:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-02 03:14:45,386 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:45,386 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:14:45,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:14:45,386 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:45,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:45,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1971100943, now seen corresponding path program 1 times [2023-04-02 03:14:45,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:45,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663420086] [2023-04-02 03:14:45,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:45,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:45,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:14:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:14:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:14:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:14:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 03:14:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:14:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:14:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:14:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:14:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:14:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:46,271 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:14:46,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:46,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663420086] [2023-04-02 03:14:46,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663420086] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:46,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:46,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:14:46,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457826057] [2023-04-02 03:14:46,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:46,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:14:46,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:46,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:14:46,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:14:46,274 INFO L87 Difference]: Start difference. First operand 431 states and 578 transitions. Second operand has 18 states, 15 states have (on average 6.133333333333334) internal successors, (92), 9 states have internal predecessors, (92), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:14:55,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:55,887 INFO L93 Difference]: Finished difference Result 1143 states and 1689 transitions. [2023-04-02 03:14:55,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-04-02 03:14:55,888 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.133333333333334) internal successors, (92), 9 states have internal predecessors, (92), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 169 [2023-04-02 03:14:55,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:55,892 INFO L225 Difference]: With dead ends: 1143 [2023-04-02 03:14:55,892 INFO L226 Difference]: Without dead ends: 792 [2023-04-02 03:14:55,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=394, Invalid=1586, Unknown=0, NotChecked=0, Total=1980 [2023-04-02 03:14:55,894 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1797 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 6245 mSolverCounterSat, 876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 7121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 876 IncrementalHoareTripleChecker+Valid, 6245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:55,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1801 Valid, 84 Invalid, 7121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [876 Valid, 6245 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-04-02 03:14:55,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-04-02 03:14:56,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 436. [2023-04-02 03:14:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 289 states have (on average 1.4221453287197232) internal successors, (411), 293 states have internal predecessors, (411), 87 states have call successors, (87), 60 states have call predecessors, (87), 59 states have return successors, (86), 83 states have call predecessors, (86), 82 states have call successors, (86) [2023-04-02 03:14:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 584 transitions. [2023-04-02 03:14:56,166 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 584 transitions. Word has length 169 [2023-04-02 03:14:56,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:56,166 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 584 transitions. [2023-04-02 03:14:56,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.133333333333334) internal successors, (92), 9 states have internal predecessors, (92), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:14:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 584 transitions. [2023-04-02 03:14:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-02 03:14:56,169 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:56,169 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:14:56,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:14:56,169 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:56,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:56,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1016723955, now seen corresponding path program 1 times [2023-04-02 03:14:56,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:56,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349837437] [2023-04-02 03:14:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:56,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:14:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:14:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:14:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:14:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:14:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 03:14:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:14:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:14:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:14:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:14:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:14:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:57,091 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:14:57,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:57,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349837437] [2023-04-02 03:14:57,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349837437] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:57,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:57,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:14:57,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030842781] [2023-04-02 03:14:57,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:57,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:14:57,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:57,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:14:57,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:14:57,095 INFO L87 Difference]: Start difference. First operand 436 states and 584 transitions. Second operand has 18 states, 15 states have (on average 6.133333333333334) internal successors, (92), 9 states have internal predecessors, (92), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:15:08,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:15:08,655 INFO L93 Difference]: Finished difference Result 1141 states and 1686 transitions. [2023-04-02 03:15:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-04-02 03:15:08,656 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.133333333333334) internal successors, (92), 9 states have internal predecessors, (92), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 169 [2023-04-02 03:15:08,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:15:08,659 INFO L225 Difference]: With dead ends: 1141 [2023-04-02 03:15:08,660 INFO L226 Difference]: Without dead ends: 790 [2023-04-02 03:15:08,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=509, Invalid=1941, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 03:15:08,662 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1728 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 6216 mSolverCounterSat, 834 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 7050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 834 IncrementalHoareTripleChecker+Valid, 6216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:15:08,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 86 Invalid, 7050 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [834 Valid, 6216 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-04-02 03:15:08,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2023-04-02 03:15:08,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 431. [2023-04-02 03:15:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 287 states have (on average 1.4250871080139373) internal successors, (409), 290 states have internal predecessors, (409), 86 states have call successors, (86), 60 states have call predecessors, (86), 57 states have return successors, (82), 81 states have call predecessors, (82), 81 states have call successors, (82) [2023-04-02 03:15:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 577 transitions. [2023-04-02 03:15:08,962 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 577 transitions. Word has length 169 [2023-04-02 03:15:08,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:15:08,962 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 577 transitions. [2023-04-02 03:15:08,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.133333333333334) internal successors, (92), 9 states have internal predecessors, (92), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:15:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 577 transitions. [2023-04-02 03:15:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-02 03:15:08,964 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:15:08,964 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:15:08,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:15:08,965 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:15:08,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:15:08,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1602774144, now seen corresponding path program 2 times [2023-04-02 03:15:08,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:15:08,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405350775] [2023-04-02 03:15:08,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:15:08,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:15:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:15:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:15:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:15:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:15:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:15:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:15:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:15:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:15:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:15:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:15:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:15:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:15:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:15:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:15:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:15:09,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:15:09,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405350775] [2023-04-02 03:15:09,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405350775] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:15:09,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:15:09,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:15:09,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211406904] [2023-04-02 03:15:09,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:15:09,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:15:09,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:15:09,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:15:09,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:15:09,849 INFO L87 Difference]: Start difference. First operand 431 states and 577 transitions. Second operand has 18 states, 15 states have (on average 6.2) internal successors, (93), 9 states have internal predecessors, (93), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:15:19,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:15:19,832 INFO L93 Difference]: Finished difference Result 1147 states and 1695 transitions. [2023-04-02 03:15:19,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-04-02 03:15:19,832 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 9 states have internal predecessors, (93), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 170 [2023-04-02 03:15:19,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:15:19,835 INFO L225 Difference]: With dead ends: 1147 [2023-04-02 03:15:19,836 INFO L226 Difference]: Without dead ends: 796 [2023-04-02 03:15:19,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=394, Invalid=1586, Unknown=0, NotChecked=0, Total=1980 [2023-04-02 03:15:19,838 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1250 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 6659 mSolverCounterSat, 625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 7284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 625 IncrementalHoareTripleChecker+Valid, 6659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:15:19,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 90 Invalid, 7284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [625 Valid, 6659 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-02 03:15:19,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2023-04-02 03:15:20,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 438. [2023-04-02 03:15:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 290 states have (on average 1.4206896551724137) internal successors, (412), 295 states have internal predecessors, (412), 87 states have call successors, (87), 60 states have call predecessors, (87), 60 states have return successors, (88), 83 states have call predecessors, (88), 82 states have call successors, (88) [2023-04-02 03:15:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 587 transitions. [2023-04-02 03:15:20,172 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 587 transitions. Word has length 170 [2023-04-02 03:15:20,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:15:20,172 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 587 transitions. [2023-04-02 03:15:20,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 9 states have internal predecessors, (93), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:15:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 587 transitions. [2023-04-02 03:15:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-02 03:15:20,174 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:15:20,174 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:15:20,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:15:20,175 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:15:20,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:15:20,175 INFO L85 PathProgramCache]: Analyzing trace with hash -263934530, now seen corresponding path program 2 times [2023-04-02 03:15:20,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:15:20,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62457804] [2023-04-02 03:15:20,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:15:20,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:15:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:15:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:15:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:15:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:15:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:15:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:15:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:15:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:15:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:15:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:15:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:15:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:21,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:15:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:15:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:15:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:15:21,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:15:21,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62457804] [2023-04-02 03:15:21,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62457804] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:15:21,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:15:21,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:15:21,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396744566] [2023-04-02 03:15:21,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:15:21,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:15:21,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:15:21,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:15:21,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:15:21,019 INFO L87 Difference]: Start difference. First operand 438 states and 587 transitions. Second operand has 18 states, 15 states have (on average 6.2) internal successors, (93), 9 states have internal predecessors, (93), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:15:32,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:15:32,071 INFO L93 Difference]: Finished difference Result 1149 states and 1697 transitions. [2023-04-02 03:15:32,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-04-02 03:15:32,071 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 9 states have internal predecessors, (93), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 170 [2023-04-02 03:15:32,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:15:32,075 INFO L225 Difference]: With dead ends: 1149 [2023-04-02 03:15:32,075 INFO L226 Difference]: Without dead ends: 796 [2023-04-02 03:15:32,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=509, Invalid=1941, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 03:15:32,076 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2044 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 6173 mSolverCounterSat, 1071 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 7244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1071 IncrementalHoareTripleChecker+Valid, 6173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:15:32,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 88 Invalid, 7244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1071 Valid, 6173 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-04-02 03:15:32,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2023-04-02 03:15:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 433. [2023-04-02 03:15:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 288 states have (on average 1.4236111111111112) internal successors, (410), 292 states have internal predecessors, (410), 86 states have call successors, (86), 60 states have call predecessors, (86), 58 states have return successors, (84), 81 states have call predecessors, (84), 81 states have call successors, (84) [2023-04-02 03:15:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 580 transitions. [2023-04-02 03:15:32,429 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 580 transitions. Word has length 170 [2023-04-02 03:15:32,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:15:32,429 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 580 transitions. [2023-04-02 03:15:32,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 9 states have internal predecessors, (93), 5 states have call successors, (38), 10 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 03:15:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 580 transitions. [2023-04-02 03:15:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-02 03:15:32,431 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:15:32,431 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:15:32,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:15:32,431 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:15:32,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:15:32,432 INFO L85 PathProgramCache]: Analyzing trace with hash 971282156, now seen corresponding path program 1 times [2023-04-02 03:15:32,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:15:32,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340105275] [2023-04-02 03:15:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:15:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:15:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:15:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:15:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:15:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:15:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:15:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:15:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:15:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:15:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:15:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:15:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:15:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:15:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:15:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:15:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:15:33,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:15:33,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340105275] [2023-04-02 03:15:33,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340105275] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:15:33,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157355440] [2023-04-02 03:15:33,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:15:33,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:15:33,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:15:33,183 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 03:15:33,184 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 03:15:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:33,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 1952 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:15:33,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:15:33,580 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:15:33,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:15:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:15:33,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157355440] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:15:33,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:15:33,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 15 [2023-04-02 03:15:33,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13098795] [2023-04-02 03:15:33,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:15:33,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 03:15:33,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:15:33,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 03:15:33,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2023-04-02 03:15:33,755 INFO L87 Difference]: Start difference. First operand 433 states and 580 transitions. Second operand has 15 states, 15 states have (on average 9.333333333333334) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (68), 10 states have call predecessors, (68), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 03:15:43,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:15:43,450 INFO L93 Difference]: Finished difference Result 1449 states and 2352 transitions. [2023-04-02 03:15:43,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 03:15:43,450 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.333333333333334) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (68), 10 states have call predecessors, (68), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 171 [2023-04-02 03:15:43,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:15:43,456 INFO L225 Difference]: With dead ends: 1449 [2023-04-02 03:15:43,456 INFO L226 Difference]: Without dead ends: 1318 [2023-04-02 03:15:43,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=296, Invalid=634, Unknown=0, NotChecked=0, Total=930 [2023-04-02 03:15:43,458 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2171 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3839 mSolverCounterSat, 785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 4624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 785 IncrementalHoareTripleChecker+Valid, 3839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:15:43,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 46 Invalid, 4624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [785 Valid, 3839 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-04-02 03:15:43,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2023-04-02 03:15:44,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 644. [2023-04-02 03:15:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 456 states have (on average 1.4978070175438596) internal successors, (683), 460 states have internal predecessors, (683), 129 states have call successors, (129), 60 states have call predecessors, (129), 58 states have return successors, (127), 124 states have call predecessors, (127), 124 states have call successors, (127) [2023-04-02 03:15:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 939 transitions. [2023-04-02 03:15:44,058 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 939 transitions. Word has length 171 [2023-04-02 03:15:44,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:15:44,059 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 939 transitions. [2023-04-02 03:15:44,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.333333333333334) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (68), 10 states have call predecessors, (68), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 03:15:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 939 transitions. [2023-04-02 03:15:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-02 03:15:44,061 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:15:44,062 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:15:44,071 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 03:15:44,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 03:15:44,271 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:15:44,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:15:44,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2115217585, now seen corresponding path program 1 times [2023-04-02 03:15:44,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:15:44,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421613471] [2023-04-02 03:15:44,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:15:44,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:15:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:15:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:15:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:15:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:15:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:15:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:15:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:15:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:15:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:15:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:15:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:15:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:15:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:15:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:15:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:15:44,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:15:44,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421613471] [2023-04-02 03:15:44,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421613471] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:15:44,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:15:44,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:15:44,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57261434] [2023-04-02 03:15:44,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:15:44,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:15:44,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:15:44,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:15:44,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:15:44,942 INFO L87 Difference]: Start difference. First operand 644 states and 939 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:15:51,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:15:51,978 INFO L93 Difference]: Finished difference Result 2369 states and 3962 transitions. [2023-04-02 03:15:51,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 03:15:51,979 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2023-04-02 03:15:51,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:15:51,987 INFO L225 Difference]: With dead ends: 2369 [2023-04-02 03:15:51,987 INFO L226 Difference]: Without dead ends: 1827 [2023-04-02 03:15:51,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:15:51,991 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2140 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 971 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2170 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 3099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:15:51,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2170 Valid, 28 Invalid, 3099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [971 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-04-02 03:15:51,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2023-04-02 03:15:52,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 852. [2023-04-02 03:15:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 621 states have (on average 1.5185185185185186) internal successors, (943), 625 states have internal predecessors, (943), 172 states have call successors, (172), 60 states have call predecessors, (172), 58 states have return successors, (170), 167 states have call predecessors, (170), 167 states have call successors, (170) [2023-04-02 03:15:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1285 transitions. [2023-04-02 03:15:52,783 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1285 transitions. Word has length 177 [2023-04-02 03:15:52,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:15:52,783 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1285 transitions. [2023-04-02 03:15:52,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:15:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1285 transitions. [2023-04-02 03:15:52,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-02 03:15:52,787 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:15:52,787 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:15:52,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:15:52,788 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:15:52,788 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:15:52,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1288416497, now seen corresponding path program 1 times [2023-04-02 03:15:52,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:15:52,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623234036] [2023-04-02 03:15:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:15:52,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:15:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:15:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:15:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:15:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:15:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:15:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:15:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:15:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:15:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:15:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:15:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:15:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:15:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:15:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:15:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:15:53,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:15:53,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623234036] [2023-04-02 03:15:53,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623234036] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:15:53,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:15:53,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:15:53,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655176864] [2023-04-02 03:15:53,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:15:53,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:15:53,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:15:53,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:15:53,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:15:53,462 INFO L87 Difference]: Start difference. First operand 852 states and 1285 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:16:02,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:16:02,369 INFO L93 Difference]: Finished difference Result 3429 states and 5891 transitions. [2023-04-02 03:16:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 03:16:02,369 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2023-04-02 03:16:02,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:16:02,381 INFO L225 Difference]: With dead ends: 3429 [2023-04-02 03:16:02,381 INFO L226 Difference]: Without dead ends: 2708 [2023-04-02 03:16:02,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:16:02,386 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1625 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 2849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:16:02,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 28 Invalid, 2849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [612 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-04-02 03:16:02,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2023-04-02 03:16:03,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 1168. [2023-04-02 03:16:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 876 states have (on average 1.5319634703196348) internal successors, (1342), 880 states have internal predecessors, (1342), 233 states have call successors, (233), 60 states have call predecessors, (233), 58 states have return successors, (231), 228 states have call predecessors, (231), 228 states have call successors, (231) [2023-04-02 03:16:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1806 transitions. [2023-04-02 03:16:03,651 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1806 transitions. Word has length 178 [2023-04-02 03:16:03,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:16:03,651 INFO L495 AbstractCegarLoop]: Abstraction has 1168 states and 1806 transitions. [2023-04-02 03:16:03,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:16:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1806 transitions. [2023-04-02 03:16:03,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 03:16:03,656 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:16:03,656 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:16:03,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:16:03,656 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:16:03,656 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:16:03,657 INFO L85 PathProgramCache]: Analyzing trace with hash 124700593, now seen corresponding path program 1 times [2023-04-02 03:16:03,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:16:03,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224692835] [2023-04-02 03:16:03,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:16:03,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:16:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:16:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:16:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:16:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:16:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:16:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:16:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:16:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:16:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:16:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:16:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:16:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:16:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:16:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:16:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:16:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:16:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:16:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:16:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:16:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:16:04,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:16:04,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224692835] [2023-04-02 03:16:04,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224692835] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:16:04,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:16:04,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:16:04,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069037587] [2023-04-02 03:16:04,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:16:04,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:16:04,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:16:04,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:16:04,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:16:04,294 INFO L87 Difference]: Start difference. First operand 1168 states and 1806 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:16:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:16:14,425 INFO L93 Difference]: Finished difference Result 5077 states and 8876 transitions. [2023-04-02 03:16:14,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 03:16:14,426 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 179 [2023-04-02 03:16:14,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:16:14,445 INFO L225 Difference]: With dead ends: 5077 [2023-04-02 03:16:14,446 INFO L226 Difference]: Without dead ends: 4096 [2023-04-02 03:16:14,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:16:14,453 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2851 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 1331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 3219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1331 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:16:14,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2879 Valid, 26 Invalid, 3219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1331 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-04-02 03:16:14,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2023-04-02 03:16:16,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 1667. [2023-04-02 03:16:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1281 states have (on average 1.5370804059328649) internal successors, (1969), 1285 states have internal predecessors, (1969), 327 states have call successors, (327), 60 states have call predecessors, (327), 58 states have return successors, (325), 322 states have call predecessors, (325), 322 states have call successors, (325) [2023-04-02 03:16:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2621 transitions. [2023-04-02 03:16:16,442 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2621 transitions. Word has length 179 [2023-04-02 03:16:16,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:16:16,442 INFO L495 AbstractCegarLoop]: Abstraction has 1667 states and 2621 transitions. [2023-04-02 03:16:16,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:16:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2621 transitions. [2023-04-02 03:16:16,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 03:16:16,449 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:16:16,449 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:16:16,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:16:16,449 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:16:16,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:16:16,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1799828911, now seen corresponding path program 1 times [2023-04-02 03:16:16,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:16:16,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223596176] [2023-04-02 03:16:16,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:16:16,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:16:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:16:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:16:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:16:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:16:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:16:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:16:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:16:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:16:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:16:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:16:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:16:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:16:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:16:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:16:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:16:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:16:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:16:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:16:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 03:16:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:16:17,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:16:17,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223596176] [2023-04-02 03:16:17,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223596176] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:16:17,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:16:17,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:16:17,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142865148] [2023-04-02 03:16:17,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:16:17,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:16:17,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:16:17,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:16:17,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:16:17,194 INFO L87 Difference]: Start difference. First operand 1667 states and 2621 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:16:30,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:16:30,665 INFO L93 Difference]: Finished difference Result 7766 states and 13717 transitions. [2023-04-02 03:16:30,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 03:16:30,665 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2023-04-02 03:16:30,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:16:30,698 INFO L225 Difference]: With dead ends: 7766 [2023-04-02 03:16:30,698 INFO L226 Difference]: Without dead ends: 6385 [2023-04-02 03:16:30,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:16:30,710 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2032 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2005 mSolverCounterSat, 870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 2875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 870 IncrementalHoareTripleChecker+Valid, 2005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:16:30,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 28 Invalid, 2875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [870 Valid, 2005 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-04-02 03:16:30,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6385 states. [2023-04-02 03:16:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6385 to 2479. [2023-04-02 03:16:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2479 states, 1944 states have (on average 1.537551440329218) internal successors, (2989), 1948 states have internal predecessors, (2989), 476 states have call successors, (476), 60 states have call predecessors, (476), 58 states have return successors, (474), 471 states have call predecessors, (474), 471 states have call successors, (474) [2023-04-02 03:16:34,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3939 transitions. [2023-04-02 03:16:34,229 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3939 transitions. Word has length 180 [2023-04-02 03:16:34,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:16:34,229 INFO L495 AbstractCegarLoop]: Abstraction has 2479 states and 3939 transitions. [2023-04-02 03:16:34,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:16:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3939 transitions. [2023-04-02 03:16:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-02 03:16:34,239 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:16:34,239 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:16:34,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 03:16:34,239 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:16:34,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:16:34,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1522855185, now seen corresponding path program 1 times [2023-04-02 03:16:34,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:16:34,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120311421] [2023-04-02 03:16:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:16:34,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:16:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:16:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:16:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:16:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:16:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:16:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:16:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:16:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:16:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:16:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:16:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:16:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:16:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:16:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:16:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:16:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:16:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:16:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:16:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:16:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:16:34,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:16:34,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120311421] [2023-04-02 03:16:34,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120311421] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:16:34,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:16:34,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:16:34,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475882067] [2023-04-02 03:16:34,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:16:34,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:16:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:16:34,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:16:34,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:16:34,904 INFO L87 Difference]: Start difference. First operand 2479 states and 3939 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:16:54,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:16:54,937 INFO L93 Difference]: Finished difference Result 12348 states and 21921 transitions. [2023-04-02 03:16:54,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 03:16:54,938 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2023-04-02 03:16:54,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:16:54,980 INFO L225 Difference]: With dead ends: 12348 [2023-04-02 03:16:54,980 INFO L226 Difference]: Without dead ends: 10311 [2023-04-02 03:16:54,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:16:54,999 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1626 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:16:54,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 26 Invalid, 2804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-04-02 03:16:55,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10311 states. [2023-04-02 03:17:00,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10311 to 3850. [2023-04-02 03:17:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3850 states, 3071 states have (on average 1.5359817648974274) internal successors, (4717), 3075 states have internal predecessors, (4717), 720 states have call successors, (720), 60 states have call predecessors, (720), 58 states have return successors, (718), 715 states have call predecessors, (718), 715 states have call successors, (718) [2023-04-02 03:17:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3850 states and 6155 transitions. [2023-04-02 03:17:00,714 INFO L78 Accepts]: Start accepts. Automaton has 3850 states and 6155 transitions. Word has length 181 [2023-04-02 03:17:00,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:17:00,715 INFO L495 AbstractCegarLoop]: Abstraction has 3850 states and 6155 transitions. [2023-04-02 03:17:00,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:17:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3850 states and 6155 transitions. [2023-04-02 03:17:00,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-02 03:17:00,730 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:17:00,730 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:17:00,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 03:17:00,730 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:17:00,731 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:17:00,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1958574001, now seen corresponding path program 1 times [2023-04-02 03:17:00,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:17:00,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794863089] [2023-04-02 03:17:00,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:17:00,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:17:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:17:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:17:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:17:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:17:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:17:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:17:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:17:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:17:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:17:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:17:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:17:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:17:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:17:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:17:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:17:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:17:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:17:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:17:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:17:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:17:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:17:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:17:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:17:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:17:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:17:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:17:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:17:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:17:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:17:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:17:01,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:17:01,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794863089] [2023-04-02 03:17:01,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794863089] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:17:01,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:17:01,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:17:01,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85809472] [2023-04-02 03:17:01,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:17:01,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:17:01,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:17:01,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:17:01,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:17:01,414 INFO L87 Difference]: Start difference. First operand 3850 states and 6155 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 03:17:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:17:33,246 INFO L93 Difference]: Finished difference Result 20580 states and 36549 transitions. [2023-04-02 03:17:33,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 03:17:33,246 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 182 [2023-04-02 03:17:33,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:17:33,313 INFO L225 Difference]: With dead ends: 20580 [2023-04-02 03:17:33,313 INFO L226 Difference]: Without dead ends: 17399 [2023-04-02 03:17:33,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:17:33,339 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1973 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:17:33,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 30 Invalid, 3011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [903 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-04-02 03:17:33,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17399 states.