/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:02:40,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:02:40,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:02:40,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:02:40,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:02:40,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:02:40,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:02:40,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:02:40,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:02:40,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:02:40,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:02:40,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:02:40,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:02:40,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:02:40,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:02:40,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:02:40,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:02:40,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:02:40,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:02:40,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:02:40,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:02:40,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:02:40,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:02:40,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:02:40,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:02:40,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:02:40,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:02:40,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:02:40,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:02:40,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:02:40,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:02:40,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:02:40,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:02:40,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:02:40,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:02:40,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:02:40,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:02:40,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:02:40,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:02:40,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:02:40,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:02:40,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:02:40,352 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:02:40,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:02:40,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:02:40,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:02:40,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:02:40,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:02:40,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:02:40,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:02:40,355 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:02:40,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:02:40,356 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:02:40,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:02:40,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:02:40,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:02:40,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:02:40,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:02:40,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:02:40,357 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:02:40,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:02:40,357 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:02:40,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:02:40,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:02:40,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:02:40,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:02:40,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:02:40,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:02:40,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:02:40,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:02:40,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:02:40,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:02:40,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:02:40,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:02:40,359 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:02:40,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:02:40,359 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:02:40,359 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:02:40,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:02:40,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:02:40,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:02:40,638 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:02:40,639 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:02:40,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c [2023-04-02 04:02:41,876 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:02:42,193 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:02:42,193 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product34.cil.c [2023-04-02 04:02:42,227 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ddb72884/2c15ce8dc58040bd8cc1874430bc41bf/FLAG45eec36cc [2023-04-02 04:02:42,242 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ddb72884/2c15ce8dc58040bd8cc1874430bc41bf [2023-04-02 04:02:42,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:02:42,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:02:42,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:02:42,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:02:42,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:02:42,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:02:42" (1/1) ... [2023-04-02 04:02:42,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27187a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:42, skipping insertion in model container [2023-04-02 04:02:42,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:02:42" (1/1) ... [2023-04-02 04:02:42,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:02:42,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:02:42,578 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product34.cil.c[8301,8314] [2023-04-02 04:02:42,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:02:42,907 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:02:42,938 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product34.cil.c[8301,8314] [2023-04-02 04:02:43,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:02:43,057 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 04:02:43,063 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:02:43,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43 WrapperNode [2023-04-02 04:02:43,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:02:43,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:02:43,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:02:43,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:02:43,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (1/1) ... [2023-04-02 04:02:43,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (1/1) ... [2023-04-02 04:02:43,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (1/1) ... [2023-04-02 04:02:43,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (1/1) ... [2023-04-02 04:02:43,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (1/1) ... [2023-04-02 04:02:43,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (1/1) ... [2023-04-02 04:02:43,185 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (1/1) ... [2023-04-02 04:02:43,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (1/1) ... [2023-04-02 04:02:43,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:02:43,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:02:43,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:02:43,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:02:43,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (1/1) ... [2023-04-02 04:02:43,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:02:43,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:43,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 04:02:43,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 04:02:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:02:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:02:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:02:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:02:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:02:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-02 04:02:43,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 04:02:43,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 04:02:43,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:02:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:02:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:02:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:02:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 04:02:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 04:02:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 04:02:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 04:02:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 04:02:43,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 04:02:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 04:02:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 04:02:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 04:02:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 04:02:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 04:02:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 04:02:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 04:02:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 04:02:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 04:02:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 04:02:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 04:02:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 04:02:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 04:02:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 04:02:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 04:02:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-02 04:02:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-02 04:02:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 04:02:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 04:02:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-02 04:02:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-02 04:02:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-02 04:02:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 04:02:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 04:02:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 04:02:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 04:02:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 04:02:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 04:02:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 04:02:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 04:02:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 04:02:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 04:02:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 04:02:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 04:02:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 04:02:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 04:02:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 04:02:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 04:02:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 04:02:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-02 04:02:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 04:02:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:02:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:02:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:02:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:02:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:02:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 04:02:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 04:02:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 04:02:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 04:02:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 04:02:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 04:02:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-02 04:02:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 04:02:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 04:02:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 04:02:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:02:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 04:02:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 04:02:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 04:02:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 04:02:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:02:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:02:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:02:43,678 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:02:43,681 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:02:44,783 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:02:44,802 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:02:44,802 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 04:02:44,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:02:44 BoogieIcfgContainer [2023-04-02 04:02:44,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:02:44,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:02:44,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:02:44,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:02:44,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:02:42" (1/3) ... [2023-04-02 04:02:44,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58565f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:02:44, skipping insertion in model container [2023-04-02 04:02:44,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:43" (2/3) ... [2023-04-02 04:02:44,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58565f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:02:44, skipping insertion in model container [2023-04-02 04:02:44,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:02:44" (3/3) ... [2023-04-02 04:02:44,815 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product34.cil.c [2023-04-02 04:02:44,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:02:44,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:02:44,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:02:44,932 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;@a30285d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:02:44,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:02:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 425 states have (on average 1.44) internal successors, (612), 435 states have internal predecessors, (612), 136 states have call successors, (136), 88 states have call predecessors, (136), 88 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) [2023-04-02 04:02:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-04-02 04:02:44,963 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:44,963 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:44,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:44,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:44,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1646328106, now seen corresponding path program 1 times [2023-04-02 04:02:44,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:44,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117731749] [2023-04-02 04:02:44,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:44,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:02:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 04:02:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 04:02:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 04:02:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:02:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 04:02:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 04:02:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 04:02:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 04:02:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 04:02:46,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:46,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117731749] [2023-04-02 04:02:46,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117731749] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:46,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:02:46,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:02:46,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694351165] [2023-04-02 04:02:46,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:46,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:02:46,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:46,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:02:46,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:02:46,428 INFO L87 Difference]: Start difference. First operand has 655 states, 425 states have (on average 1.44) internal successors, (612), 435 states have internal predecessors, (612), 136 states have call successors, (136), 88 states have call predecessors, (136), 88 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) Second operand has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:02:56,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:56,870 INFO L93 Difference]: Finished difference Result 1508 states and 2271 transitions. [2023-04-02 04:02:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 04:02:56,874 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 167 [2023-04-02 04:02:56,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:56,899 INFO L225 Difference]: With dead ends: 1508 [2023-04-02 04:02:56,899 INFO L226 Difference]: Without dead ends: 998 [2023-04-02 04:02:56,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2023-04-02 04:02:56,908 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3737 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 1885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3786 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 4050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1885 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:02:56,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3786 Valid, 97 Invalid, 4050 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1885 Valid, 2165 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-04-02 04:02:56,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2023-04-02 04:02:57,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 626. [2023-04-02 04:02:57,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 410 states have (on average 1.4414634146341463) internal successors, (591), 417 states have internal predecessors, (591), 131 states have call successors, (131), 88 states have call predecessors, (131), 84 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2023-04-02 04:02:57,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 848 transitions. [2023-04-02 04:02:57,369 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 848 transitions. Word has length 167 [2023-04-02 04:02:57,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:57,369 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 848 transitions. [2023-04-02 04:02:57,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:02:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 848 transitions. [2023-04-02 04:02:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-04-02 04:02:57,375 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:57,375 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:57,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:02:57,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:57,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:57,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2088608862, now seen corresponding path program 1 times [2023-04-02 04:02:57,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:57,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520945461] [2023-04-02 04:02:57,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:57,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:02:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 04:02:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 04:02:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 04:02:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:02:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 04:02:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 04:02:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 04:02:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 04:02:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 04:02:58,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:58,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520945461] [2023-04-02 04:02:58,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520945461] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:02:58,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316044923] [2023-04-02 04:02:58,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:58,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:58,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:58,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:02:58,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:02:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:59,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 2570 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 04:02:59,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:02:59,188 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 04:02:59,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:02:59,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316044923] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:59,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:02:59,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 04:02:59,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714355075] [2023-04-02 04:02:59,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:59,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:02:59,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:59,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:02:59,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:59,192 INFO L87 Difference]: Start difference. First operand 626 states and 848 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:02:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:59,625 INFO L93 Difference]: Finished difference Result 979 states and 1304 transitions. [2023-04-02 04:02:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:02:59,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 168 [2023-04-02 04:02:59,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:59,630 INFO L225 Difference]: With dead ends: 979 [2023-04-02 04:02:59,630 INFO L226 Difference]: Without dead ends: 629 [2023-04-02 04:02:59,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:59,632 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 1 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:02:59,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1690 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:02:59,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-04-02 04:02:59,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2023-04-02 04:02:59,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 412 states have (on average 1.4393203883495145) internal successors, (593), 419 states have internal predecessors, (593), 131 states have call successors, (131), 88 states have call predecessors, (131), 84 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2023-04-02 04:02:59,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 850 transitions. [2023-04-02 04:02:59,935 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 850 transitions. Word has length 168 [2023-04-02 04:02:59,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:59,936 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 850 transitions. [2023-04-02 04:02:59,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:02:59,936 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 850 transitions. [2023-04-02 04:02:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-02 04:02:59,939 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:59,939 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:59,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 04:03:00,153 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 04:03:00,154 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:00,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:00,154 INFO L85 PathProgramCache]: Analyzing trace with hash 870033002, now seen corresponding path program 1 times [2023-04-02 04:03:00,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:00,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617660603] [2023-04-02 04:03:00,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:00,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:03:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 04:03:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 04:03:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 04:03:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 04:03:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:03:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 04:03:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 04:03:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 04:03:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:03:01,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:01,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617660603] [2023-04-02 04:03:01,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617660603] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:03:01,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146472962] [2023-04-02 04:03:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:01,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:03:01,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:03:01,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:03:01,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 04:03:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:01,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 2582 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:03:01,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:03:01,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 04:03:01,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:03:01,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146472962] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:01,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:03:01,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 04:03:01,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464449780] [2023-04-02 04:03:01,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:01,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:03:01,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:01,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:03:01,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:03:01,961 INFO L87 Difference]: Start difference. First operand 628 states and 850 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:03:02,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:02,344 INFO L93 Difference]: Finished difference Result 1234 states and 1701 transitions. [2023-04-02 04:03:02,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:03:02,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2023-04-02 04:03:02,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:02,349 INFO L225 Difference]: With dead ends: 1234 [2023-04-02 04:03:02,349 INFO L226 Difference]: Without dead ends: 671 [2023-04-02 04:03:02,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:03:02,353 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 53 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1698 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:02,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1698 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:03:02,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2023-04-02 04:03:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 670. [2023-04-02 04:03:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 445 states have (on average 1.4539325842696629) internal successors, (647), 452 states have internal predecessors, (647), 140 states have call successors, (140), 88 states have call predecessors, (140), 84 states have return successors, (135), 134 states have call predecessors, (135), 135 states have call successors, (135) [2023-04-02 04:03:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 922 transitions. [2023-04-02 04:03:02,744 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 922 transitions. Word has length 174 [2023-04-02 04:03:02,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:02,745 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 922 transitions. [2023-04-02 04:03:02,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:03:02,745 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 922 transitions. [2023-04-02 04:03:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-02 04:03:02,748 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:02,748 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:02,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-02 04:03:02,957 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 04:03:02,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:02,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:02,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1039968540, now seen corresponding path program 1 times [2023-04-02 04:03:02,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:02,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160419651] [2023-04-02 04:03:02,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:02,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:03:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:03:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 04:03:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 04:03:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 04:03:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:03:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 04:03:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:03:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 04:03:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:03:04,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:04,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160419651] [2023-04-02 04:03:04,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160419651] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:03:04,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136579661] [2023-04-02 04:03:04,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:04,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:03:04,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:03:04,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:03:04,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 04:03:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:04,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 2587 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 04:03:04,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:03:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 04:03:04,877 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:03:04,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136579661] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:04,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:03:04,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-04-02 04:03:04,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241812335] [2023-04-02 04:03:04,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:04,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:03:04,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:04,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:03:04,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:03:04,879 INFO L87 Difference]: Start difference. First operand 670 states and 922 transitions. Second operand has 9 states, 7 states have (on average 14.857142857142858) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:03:06,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:06,232 INFO L93 Difference]: Finished difference Result 1318 states and 1824 transitions. [2023-04-02 04:03:06,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:03:06,233 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.857142857142858) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 175 [2023-04-02 04:03:06,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:06,237 INFO L225 Difference]: With dead ends: 1318 [2023-04-02 04:03:06,237 INFO L226 Difference]: Without dead ends: 684 [2023-04-02 04:03:06,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-04-02 04:03:06,241 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 803 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:06,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 4538 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 04:03:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2023-04-02 04:03:06,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2023-04-02 04:03:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 456 states have (on average 1.456140350877193) internal successors, (664), 464 states have internal predecessors, (664), 140 states have call successors, (140), 90 states have call predecessors, (140), 87 states have return successors, (136), 134 states have call predecessors, (136), 135 states have call successors, (136) [2023-04-02 04:03:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 940 transitions. [2023-04-02 04:03:06,571 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 940 transitions. Word has length 175 [2023-04-02 04:03:06,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:06,572 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 940 transitions. [2023-04-02 04:03:06,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.857142857142858) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:03:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 940 transitions. [2023-04-02 04:03:06,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-02 04:03:06,588 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:06,588 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:06,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 04:03:06,810 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 04:03:06,811 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:06,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:06,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1038531939, now seen corresponding path program 1 times [2023-04-02 04:03:06,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:06,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031136150] [2023-04-02 04:03:06,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:03:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 04:03:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 04:03:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:03:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 04:03:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 04:03:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 04:03:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 04:03:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 04:03:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:07,847 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:03:07,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:07,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031136150] [2023-04-02 04:03:07,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031136150] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:03:07,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985448922] [2023-04-02 04:03:07,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:07,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:03:07,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:03:07,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:03:07,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 04:03:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:08,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 2588 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 04:03:08,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:03:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 04:03:08,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:03:08,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985448922] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:08,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:03:08,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-04-02 04:03:08,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265519884] [2023-04-02 04:03:08,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:08,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 04:03:08,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:08,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 04:03:08,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-04-02 04:03:08,516 INFO L87 Difference]: Start difference. First operand 684 states and 940 transitions. Second operand has 7 states, 6 states have (on average 17.5) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2023-04-02 04:03:09,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:09,565 INFO L93 Difference]: Finished difference Result 1319 states and 1828 transitions. [2023-04-02 04:03:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:03:09,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.5) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 176 [2023-04-02 04:03:09,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:09,569 INFO L225 Difference]: With dead ends: 1319 [2023-04-02 04:03:09,569 INFO L226 Difference]: Without dead ends: 686 [2023-04-02 04:03:09,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:03:09,571 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 798 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 3306 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:09,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 3306 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 04:03:09,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2023-04-02 04:03:09,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2023-04-02 04:03:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 457 states have (on average 1.4551422319474836) internal successors, (665), 466 states have internal predecessors, (665), 140 states have call successors, (140), 90 states have call predecessors, (140), 88 states have return successors, (138), 134 states have call predecessors, (138), 135 states have call successors, (138) [2023-04-02 04:03:09,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 943 transitions. [2023-04-02 04:03:09,946 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 943 transitions. Word has length 176 [2023-04-02 04:03:09,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:09,947 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 943 transitions. [2023-04-02 04:03:09,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.5) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2023-04-02 04:03:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 943 transitions. [2023-04-02 04:03:09,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-02 04:03:09,950 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:09,950 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:09,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 04:03:10,162 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 04:03:10,163 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:10,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:10,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1185736822, now seen corresponding path program 1 times [2023-04-02 04:03:10,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:10,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978168253] [2023-04-02 04:03:10,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:10,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:10,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:10,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:03:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 04:03:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 04:03:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:03:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 04:03:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 04:03:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 04:03:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 04:03:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:03:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:03:11,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:11,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978168253] [2023-04-02 04:03:11,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978168253] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:11,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:11,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 04:03:11,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621477626] [2023-04-02 04:03:11,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:11,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:03:11,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:11,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:03:11,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:03:11,196 INFO L87 Difference]: Start difference. First operand 686 states and 943 transitions. Second operand has 18 states, 15 states have (on average 6.6) internal successors, (99), 9 states have internal predecessors, (99), 6 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:03:24,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:24,061 INFO L93 Difference]: Finished difference Result 1789 states and 2645 transitions. [2023-04-02 04:03:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 04:03:24,064 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.6) internal successors, (99), 9 states have internal predecessors, (99), 6 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 177 [2023-04-02 04:03:24,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:24,069 INFO L225 Difference]: With dead ends: 1789 [2023-04-02 04:03:24,070 INFO L226 Difference]: Without dead ends: 1162 [2023-04-02 04:03:24,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 04:03:24,073 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5051 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 8637 mSolverCounterSat, 2651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5054 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 11288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2651 IncrementalHoareTripleChecker+Valid, 8637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:24,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5054 Valid, 77 Invalid, 11288 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2651 Valid, 8637 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-04-02 04:03:24,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2023-04-02 04:03:24,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 696. [2023-04-02 04:03:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 466 states have (on average 1.4527896995708154) internal successors, (677), 474 states have internal predecessors, (677), 140 states have call successors, (140), 92 states have call predecessors, (140), 89 states have return successors, (137), 134 states have call predecessors, (137), 135 states have call successors, (137) [2023-04-02 04:03:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 954 transitions. [2023-04-02 04:03:24,400 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 954 transitions. Word has length 177 [2023-04-02 04:03:24,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:24,400 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 954 transitions. [2023-04-02 04:03:24,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.6) internal successors, (99), 9 states have internal predecessors, (99), 6 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:03:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 954 transitions. [2023-04-02 04:03:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-02 04:03:24,403 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:24,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:24,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 04:03:24,403 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:24,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:24,404 INFO L85 PathProgramCache]: Analyzing trace with hash 889692389, now seen corresponding path program 2 times [2023-04-02 04:03:24,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:24,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107393451] [2023-04-02 04:03:24,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:24,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:03:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 04:03:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 04:03:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 04:03:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 04:03:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 04:03:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 04:03:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 04:03:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 04:03:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:03:25,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:25,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107393451] [2023-04-02 04:03:25,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107393451] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:25,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:25,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:03:25,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045607847] [2023-04-02 04:03:25,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:25,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:03:25,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:25,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:03:25,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:03:25,431 INFO L87 Difference]: Start difference. First operand 696 states and 954 transitions. Second operand has 19 states, 16 states have (on average 6.4375) internal successors, (103), 9 states have internal predecessors, (103), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:03:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:38,837 INFO L93 Difference]: Finished difference Result 1791 states and 2650 transitions. [2023-04-02 04:03:38,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 04:03:38,838 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.4375) internal successors, (103), 9 states have internal predecessors, (103), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 178 [2023-04-02 04:03:38,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:38,844 INFO L225 Difference]: With dead ends: 1791 [2023-04-02 04:03:38,844 INFO L226 Difference]: Without dead ends: 1175 [2023-04-02 04:03:38,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 04:03:38,847 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2968 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 10118 mSolverCounterSat, 1547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2971 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 11665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1547 IncrementalHoareTripleChecker+Valid, 10118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:38,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2971 Valid, 90 Invalid, 11665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1547 Valid, 10118 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-04-02 04:03:38,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2023-04-02 04:03:39,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 701. [2023-04-02 04:03:39,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 468 states have (on average 1.4508547008547008) internal successors, (679), 477 states have internal predecessors, (679), 141 states have call successors, (141), 92 states have call predecessors, (141), 91 states have return successors, (140), 136 states have call predecessors, (140), 136 states have call successors, (140) [2023-04-02 04:03:39,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 960 transitions. [2023-04-02 04:03:39,182 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 960 transitions. Word has length 178 [2023-04-02 04:03:39,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:39,183 INFO L495 AbstractCegarLoop]: Abstraction has 701 states and 960 transitions. [2023-04-02 04:03:39,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.4375) internal successors, (103), 9 states have internal predecessors, (103), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:03:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 960 transitions. [2023-04-02 04:03:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 04:03:39,185 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:39,186 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:39,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 04:03:39,186 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:39,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:39,186 INFO L85 PathProgramCache]: Analyzing trace with hash 478809499, now seen corresponding path program 1 times [2023-04-02 04:03:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:39,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573888445] [2023-04-02 04:03:39,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:03:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 04:03:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 04:03:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 04:03:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 04:03:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 04:03:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:03:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 04:03:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 04:03:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:40,109 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:03:40,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:40,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573888445] [2023-04-02 04:03:40,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573888445] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:40,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:40,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:03:40,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25127743] [2023-04-02 04:03:40,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:40,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:03:40,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:40,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:03:40,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:03:40,111 INFO L87 Difference]: Start difference. First operand 701 states and 960 transitions. Second operand has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:03:53,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:53,499 INFO L93 Difference]: Finished difference Result 1791 states and 2649 transitions. [2023-04-02 04:03:53,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 04:03:53,499 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 179 [2023-04-02 04:03:53,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:53,505 INFO L225 Difference]: With dead ends: 1791 [2023-04-02 04:03:53,505 INFO L226 Difference]: Without dead ends: 1175 [2023-04-02 04:03:53,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 04:03:53,508 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4990 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 10284 mSolverCounterSat, 2484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4993 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 12768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2484 IncrementalHoareTripleChecker+Valid, 10284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:53,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4993 Valid, 88 Invalid, 12768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2484 Valid, 10284 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2023-04-02 04:03:53,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2023-04-02 04:03:53,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 701. [2023-04-02 04:03:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 468 states have (on average 1.4508547008547008) internal successors, (679), 477 states have internal predecessors, (679), 141 states have call successors, (141), 92 states have call predecessors, (141), 91 states have return successors, (140), 136 states have call predecessors, (140), 136 states have call successors, (140) [2023-04-02 04:03:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 960 transitions. [2023-04-02 04:03:53,876 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 960 transitions. Word has length 179 [2023-04-02 04:03:53,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:53,876 INFO L495 AbstractCegarLoop]: Abstraction has 701 states and 960 transitions. [2023-04-02 04:03:53,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:03:53,877 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 960 transitions. [2023-04-02 04:03:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 04:03:53,879 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:53,879 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:53,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 04:03:53,879 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:53,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:53,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1168553443, now seen corresponding path program 1 times [2023-04-02 04:03:53,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:53,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423976378] [2023-04-02 04:03:53,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:53,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:03:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 04:03:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 04:03:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 04:03:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 04:03:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 04:03:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:03:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 04:03:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 04:03:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:03:54,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:54,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423976378] [2023-04-02 04:03:54,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423976378] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:54,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:54,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:03:54,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501667220] [2023-04-02 04:03:54,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:54,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:03:54,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:54,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:03:54,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:03:54,800 INFO L87 Difference]: Start difference. First operand 701 states and 960 transitions. Second operand has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:04:09,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:09,857 INFO L93 Difference]: Finished difference Result 1780 states and 2629 transitions. [2023-04-02 04:04:09,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 04:04:09,858 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 179 [2023-04-02 04:04:09,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:09,863 INFO L225 Difference]: With dead ends: 1780 [2023-04-02 04:04:09,863 INFO L226 Difference]: Without dead ends: 1164 [2023-04-02 04:04:09,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=655, Invalid=2425, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 04:04:09,866 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4997 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 10136 mSolverCounterSat, 2507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5000 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 12643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2507 IncrementalHoareTripleChecker+Valid, 10136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:09,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5000 Valid, 88 Invalid, 12643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2507 Valid, 10136 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-04-02 04:04:09,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2023-04-02 04:04:10,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 696. [2023-04-02 04:04:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 466 states have (on average 1.4527896995708154) internal successors, (677), 474 states have internal predecessors, (677), 140 states have call successors, (140), 92 states have call predecessors, (140), 89 states have return successors, (136), 134 states have call predecessors, (136), 135 states have call successors, (136) [2023-04-02 04:04:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 953 transitions. [2023-04-02 04:04:10,286 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 953 transitions. Word has length 179 [2023-04-02 04:04:10,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:10,286 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 953 transitions. [2023-04-02 04:04:10,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:04:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 953 transitions. [2023-04-02 04:04:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 04:04:10,288 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:10,288 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 04:04:10,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 04:04:10,288 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:10,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:10,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1758508752, now seen corresponding path program 3 times [2023-04-02 04:04:10,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:10,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232323548] [2023-04-02 04:04:10,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:10,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:04:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:04:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:04:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 04:04:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 04:04:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 04:04:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 04:04:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 04:04:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:04:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 04:04:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 04:04:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-02 04:04:11,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:11,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232323548] [2023-04-02 04:04:11,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232323548] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:11,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:04:11,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 04:04:11,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274491956] [2023-04-02 04:04:11,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:11,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 04:04:11,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:11,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 04:04:11,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 04:04:11,156 INFO L87 Difference]: Start difference. First operand 696 states and 953 transitions. Second operand has 18 states, 15 states have (on average 6.666666666666667) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:04:23,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:23,700 INFO L93 Difference]: Finished difference Result 1787 states and 2639 transitions. [2023-04-02 04:04:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 04:04:23,701 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.666666666666667) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 179 [2023-04-02 04:04:23,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:23,706 INFO L225 Difference]: With dead ends: 1787 [2023-04-02 04:04:23,706 INFO L226 Difference]: Without dead ends: 1164 [2023-04-02 04:04:23,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 04:04:23,709 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4574 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8661 mSolverCounterSat, 2339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4577 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 11000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2339 IncrementalHoareTripleChecker+Valid, 8661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:23,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4577 Valid, 79 Invalid, 11000 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2339 Valid, 8661 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-04-02 04:04:23,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2023-04-02 04:04:24,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 696. [2023-04-02 04:04:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 466 states have (on average 1.4506437768240343) internal successors, (676), 474 states have internal predecessors, (676), 140 states have call successors, (140), 92 states have call predecessors, (140), 89 states have return successors, (136), 134 states have call predecessors, (136), 135 states have call successors, (136) [2023-04-02 04:04:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 952 transitions. [2023-04-02 04:04:24,117 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 952 transitions. Word has length 179 [2023-04-02 04:04:24,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:24,118 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 952 transitions. [2023-04-02 04:04:24,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.666666666666667) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-04-02 04:04:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 952 transitions. [2023-04-02 04:04:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 04:04:24,120 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:24,120 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:04:24,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 04:04:24,121 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:24,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:24,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1610976454, now seen corresponding path program 2 times [2023-04-02 04:04:24,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:24,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579410328] [2023-04-02 04:04:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:24,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:04:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:04:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:04:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 04:04:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 04:04:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 04:04:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:04:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:04:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 04:04:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 04:04:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 04:04:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:04:25,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:25,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579410328] [2023-04-02 04:04:25,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579410328] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:25,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:04:25,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:04:25,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34895405] [2023-04-02 04:04:25,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:25,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:04:25,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:25,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:04:25,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:04:25,110 INFO L87 Difference]: Start difference. First operand 696 states and 952 transitions. Second operand has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:04:38,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:38,310 INFO L93 Difference]: Finished difference Result 1786 states and 2637 transitions. [2023-04-02 04:04:38,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 04:04:38,311 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 180 [2023-04-02 04:04:38,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:38,317 INFO L225 Difference]: With dead ends: 1786 [2023-04-02 04:04:38,317 INFO L226 Difference]: Without dead ends: 1170 [2023-04-02 04:04:38,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=518, Invalid=2032, Unknown=0, NotChecked=0, Total=2550 [2023-04-02 04:04:38,320 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3899 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 10019 mSolverCounterSat, 1982 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3902 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 12001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1982 IncrementalHoareTripleChecker+Valid, 10019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:38,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3902 Valid, 88 Invalid, 12001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1982 Valid, 10019 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-04-02 04:04:38,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2023-04-02 04:04:38,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 703. [2023-04-02 04:04:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 469 states have (on average 1.4477611940298507) internal successors, (679), 479 states have internal predecessors, (679), 141 states have call successors, (141), 92 states have call predecessors, (141), 92 states have return successors, (142), 136 states have call predecessors, (142), 136 states have call successors, (142) [2023-04-02 04:04:38,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 962 transitions. [2023-04-02 04:04:38,683 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 962 transitions. Word has length 180 [2023-04-02 04:04:38,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:38,684 INFO L495 AbstractCegarLoop]: Abstraction has 703 states and 962 transitions. [2023-04-02 04:04:38,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:04:38,684 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 962 transitions. [2023-04-02 04:04:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 04:04:38,686 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:38,686 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:04:38,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 04:04:38,686 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:38,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:38,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1139620104, now seen corresponding path program 2 times [2023-04-02 04:04:38,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:38,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595794081] [2023-04-02 04:04:38,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:38,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:04:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:04:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:04:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 04:04:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 04:04:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 04:04:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:04:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:04:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 04:04:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 04:04:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 04:04:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:04:39,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:39,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595794081] [2023-04-02 04:04:39,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595794081] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:39,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:04:39,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:04:39,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284595190] [2023-04-02 04:04:39,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:39,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:04:39,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:39,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:04:39,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:04:39,583 INFO L87 Difference]: Start difference. First operand 703 states and 962 transitions. Second operand has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:04:54,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:54,676 INFO L93 Difference]: Finished difference Result 1788 states and 2639 transitions. [2023-04-02 04:04:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 04:04:54,677 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) Word has length 180 [2023-04-02 04:04:54,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:54,682 INFO L225 Difference]: With dead ends: 1788 [2023-04-02 04:04:54,682 INFO L226 Difference]: Without dead ends: 1170 [2023-04-02 04:04:54,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=655, Invalid=2425, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 04:04:54,685 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4098 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 10241 mSolverCounterSat, 2038 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4101 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 12279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2038 IncrementalHoareTripleChecker+Valid, 10241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:54,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4101 Valid, 88 Invalid, 12279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2038 Valid, 10241 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-04-02 04:04:54,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2023-04-02 04:04:55,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 698. [2023-04-02 04:04:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 467 states have (on average 1.4496788008565311) internal successors, (677), 476 states have internal predecessors, (677), 140 states have call successors, (140), 92 states have call predecessors, (140), 90 states have return successors, (138), 134 states have call predecessors, (138), 135 states have call successors, (138) [2023-04-02 04:04:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 955 transitions. [2023-04-02 04:04:55,088 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 955 transitions. Word has length 180 [2023-04-02 04:04:55,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:55,088 INFO L495 AbstractCegarLoop]: Abstraction has 698 states and 955 transitions. [2023-04-02 04:04:55,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (39), 11 states have call predecessors, (39), 5 states have return successors, (28), 4 states have call predecessors, (28), 5 states have call successors, (28) [2023-04-02 04:04:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 955 transitions. [2023-04-02 04:04:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-02 04:04:55,090 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:55,090 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:04:55,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 04:04:55,091 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:55,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:55,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1503403478, now seen corresponding path program 1 times [2023-04-02 04:04:55,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:55,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395209702] [2023-04-02 04:04:55,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:55,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:04:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:04:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:04:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:04:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 04:04:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 04:04:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:04:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 04:04:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:04:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 04:04:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 04:04:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:04:55,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:55,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395209702] [2023-04-02 04:04:55,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395209702] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:04:55,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445986933] [2023-04-02 04:04:55,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:55,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:04:55,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:04:55,824 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:04:55,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 04:04:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:56,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:04:56,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:04:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:04:56,291 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:04:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:04:56,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445986933] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:04:56,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:04:56,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2023-04-02 04:04:56,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991638558] [2023-04-02 04:04:56,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:04:56,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 04:04:56,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:56,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 04:04:56,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:04:56,489 INFO L87 Difference]: Start difference. First operand 698 states and 955 transitions. Second operand has 16 states, 16 states have (on average 10.0625) internal successors, (161), 7 states have internal predecessors, (161), 2 states have call successors, (69), 11 states have call predecessors, (69), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 04:05:09,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:09,923 INFO L93 Difference]: Finished difference Result 2067 states and 3268 transitions. [2023-04-02 04:05:09,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 04:05:09,924 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.0625) internal successors, (161), 7 states have internal predecessors, (161), 2 states have call successors, (69), 11 states have call predecessors, (69), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 181 [2023-04-02 04:05:09,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:09,930 INFO L225 Difference]: With dead ends: 2067 [2023-04-02 04:05:09,930 INFO L226 Difference]: Without dead ends: 1717 [2023-04-02 04:05:09,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=408, Invalid=924, Unknown=0, NotChecked=0, Total=1332 [2023-04-02 04:05:09,932 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4358 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 7161 mSolverCounterSat, 1792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4403 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 8953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1792 IncrementalHoareTripleChecker+Valid, 7161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:09,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4403 Valid, 55 Invalid, 8953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1792 Valid, 7161 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-04-02 04:05:09,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2023-04-02 04:05:10,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 919. [2023-04-02 04:05:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 640 states have (on average 1.4921875) internal successors, (955), 649 states have internal predecessors, (955), 188 states have call successors, (188), 92 states have call predecessors, (188), 90 states have return successors, (186), 182 states have call predecessors, (186), 183 states have call successors, (186) [2023-04-02 04:05:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1329 transitions. [2023-04-02 04:05:10,560 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1329 transitions. Word has length 181 [2023-04-02 04:05:10,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:10,560 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1329 transitions. [2023-04-02 04:05:10,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.0625) internal successors, (161), 7 states have internal predecessors, (161), 2 states have call successors, (69), 11 states have call predecessors, (69), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2023-04-02 04:05:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1329 transitions. [2023-04-02 04:05:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-04-02 04:05:10,565 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:10,565 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:10,575 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 04:05:10,775 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 04:05:10,776 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:10,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:10,776 INFO L85 PathProgramCache]: Analyzing trace with hash 861001401, now seen corresponding path program 1 times [2023-04-02 04:05:10,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:10,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324591002] [2023-04-02 04:05:10,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:10,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:05:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 04:05:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 04:05:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 04:05:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 04:05:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 04:05:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 04:05:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:05:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 04:05:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:05:11,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:11,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324591002] [2023-04-02 04:05:11,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324591002] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:11,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:11,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:05:11,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940288827] [2023-04-02 04:05:11,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:11,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:05:11,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:11,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:05:11,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:05:11,461 INFO L87 Difference]: Start difference. First operand 919 states and 1329 transitions. Second operand has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:05:21,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:21,706 INFO L93 Difference]: Finished difference Result 3068 states and 5017 transitions. [2023-04-02 04:05:21,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:05:21,707 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 187 [2023-04-02 04:05:21,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:21,717 INFO L225 Difference]: With dead ends: 3068 [2023-04-02 04:05:21,717 INFO L226 Difference]: Without dead ends: 2251 [2023-04-02 04:05:21,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:05:21,721 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3541 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 3205 mSolverCounterSat, 1640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3586 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 4845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1640 IncrementalHoareTripleChecker+Valid, 3205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:21,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3586 Valid, 30 Invalid, 4845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1640 Valid, 3205 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-04-02 04:05:21,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2023-04-02 04:05:22,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 1137. [2023-04-02 04:05:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 810 states have (on average 1.5061728395061729) internal successors, (1220), 819 states have internal predecessors, (1220), 236 states have call successors, (236), 92 states have call predecessors, (236), 90 states have return successors, (234), 230 states have call predecessors, (234), 231 states have call successors, (234) [2023-04-02 04:05:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1690 transitions. [2023-04-02 04:05:22,744 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1690 transitions. Word has length 187 [2023-04-02 04:05:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:22,746 INFO L495 AbstractCegarLoop]: Abstraction has 1137 states and 1690 transitions. [2023-04-02 04:05:22,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:05:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1690 transitions. [2023-04-02 04:05:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-04-02 04:05:22,774 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:22,774 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:22,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 04:05:22,774 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:22,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:22,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2093096261, now seen corresponding path program 1 times [2023-04-02 04:05:22,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:22,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261806983] [2023-04-02 04:05:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:22,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:05:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 04:05:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 04:05:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 04:05:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 04:05:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 04:05:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 04:05:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 04:05:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 04:05:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:05:23,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:23,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261806983] [2023-04-02 04:05:23,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261806983] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:23,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:23,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:05:23,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298966579] [2023-04-02 04:05:23,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:23,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:05:23,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:23,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:05:23,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:05:23,456 INFO L87 Difference]: Start difference. First operand 1137 states and 1690 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:05:35,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:35,157 INFO L93 Difference]: Finished difference Result 4184 states and 7051 transitions. [2023-04-02 04:05:35,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:05:35,158 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 188 [2023-04-02 04:05:35,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:35,173 INFO L225 Difference]: With dead ends: 4184 [2023-04-02 04:05:35,173 INFO L226 Difference]: Without dead ends: 3178 [2023-04-02 04:05:35,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:05:35,178 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4597 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 3059 mSolverCounterSat, 2204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4642 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 5263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2204 IncrementalHoareTripleChecker+Valid, 3059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:35,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4642 Valid, 28 Invalid, 5263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2204 Valid, 3059 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-04-02 04:05:35,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2023-04-02 04:05:36,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 1469. [2023-04-02 04:05:36,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1073 states have (on average 1.516309412861137) internal successors, (1627), 1082 states have internal predecessors, (1627), 305 states have call successors, (305), 92 states have call predecessors, (305), 90 states have return successors, (303), 299 states have call predecessors, (303), 300 states have call successors, (303) [2023-04-02 04:05:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2235 transitions. [2023-04-02 04:05:36,594 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2235 transitions. Word has length 188 [2023-04-02 04:05:36,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:36,594 INFO L495 AbstractCegarLoop]: Abstraction has 1469 states and 2235 transitions. [2023-04-02 04:05:36,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:05:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2235 transitions. [2023-04-02 04:05:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-02 04:05:36,600 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:36,600 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:36,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 04:05:36,600 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:36,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:36,601 INFO L85 PathProgramCache]: Analyzing trace with hash -544424741, now seen corresponding path program 1 times [2023-04-02 04:05:36,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:36,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718529762] [2023-04-02 04:05:36,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:36,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:05:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 04:05:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:05:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:05:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 04:05:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:05:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 04:05:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 04:05:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 04:05:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:05:37,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:37,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718529762] [2023-04-02 04:05:37,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718529762] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:37,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:37,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:05:37,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968873288] [2023-04-02 04:05:37,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:37,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:05:37,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:37,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:05:37,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:05:37,268 INFO L87 Difference]: Start difference. First operand 1469 states and 2235 transitions. Second operand has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:05:51,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:51,308 INFO L93 Difference]: Finished difference Result 5920 states and 10204 transitions. [2023-04-02 04:05:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:05:51,308 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 189 [2023-04-02 04:05:51,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:51,331 INFO L225 Difference]: With dead ends: 5920 [2023-04-02 04:05:51,331 INFO L226 Difference]: Without dead ends: 4638 [2023-04-02 04:05:51,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:05:51,337 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3446 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 3243 mSolverCounterSat, 1523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3491 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 4766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1523 IncrementalHoareTripleChecker+Valid, 3243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:51,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3491 Valid, 28 Invalid, 4766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1523 Valid, 3243 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 04:05:51,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4638 states. [2023-04-02 04:05:53,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4638 to 1994. [2023-04-02 04:05:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1994 states, 1491 states have (on average 1.5204560697518443) internal successors, (2267), 1500 states have internal predecessors, (2267), 412 states have call successors, (412), 92 states have call predecessors, (412), 90 states have return successors, (410), 406 states have call predecessors, (410), 407 states have call successors, (410) [2023-04-02 04:05:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 3089 transitions. [2023-04-02 04:05:53,617 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 3089 transitions. Word has length 189 [2023-04-02 04:05:53,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:53,617 INFO L495 AbstractCegarLoop]: Abstraction has 1994 states and 3089 transitions. [2023-04-02 04:05:53,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:05:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 3089 transitions. [2023-04-02 04:05:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-02 04:05:53,622 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:53,623 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:53,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 04:05:53,623 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:53,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:53,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1659437797, now seen corresponding path program 1 times [2023-04-02 04:05:53,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:53,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883688712] [2023-04-02 04:05:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:53,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:05:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 04:05:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:05:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:05:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 04:05:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 04:05:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 04:05:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 04:05:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 04:05:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:05:54,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:54,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883688712] [2023-04-02 04:05:54,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883688712] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:54,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:54,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:05:54,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744620477] [2023-04-02 04:05:54,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:54,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:05:54,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:54,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:05:54,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:05:54,356 INFO L87 Difference]: Start difference. First operand 1994 states and 3089 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:06:11,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:06:11,952 INFO L93 Difference]: Finished difference Result 8759 states and 15332 transitions. [2023-04-02 04:06:11,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:06:11,953 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 190 [2023-04-02 04:06:11,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:06:11,986 INFO L225 Difference]: With dead ends: 8759 [2023-04-02 04:06:11,987 INFO L226 Difference]: Without dead ends: 7051 [2023-04-02 04:06:11,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:06:11,996 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3247 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 3062 mSolverCounterSat, 1589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3292 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1589 IncrementalHoareTripleChecker+Valid, 3062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:06:11,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3292 Valid, 28 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1589 Valid, 3062 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-04-02 04:06:12,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7051 states. [2023-04-02 04:06:15,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7051 to 2850. [2023-04-02 04:06:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2850 states, 2176 states have (on average 1.5206801470588236) internal successors, (3309), 2185 states have internal predecessors, (3309), 583 states have call successors, (583), 92 states have call predecessors, (583), 90 states have return successors, (581), 577 states have call predecessors, (581), 578 states have call successors, (581) [2023-04-02 04:06:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 4473 transitions. [2023-04-02 04:06:15,660 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 4473 transitions. Word has length 190 [2023-04-02 04:06:15,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:06:15,660 INFO L495 AbstractCegarLoop]: Abstraction has 2850 states and 4473 transitions. [2023-04-02 04:06:15,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-02 04:06:15,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 4473 transitions. [2023-04-02 04:06:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-04-02 04:06:15,671 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:06:15,671 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:06:15,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 04:06:15,671 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:06:15,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:06:15,672 INFO L85 PathProgramCache]: Analyzing trace with hash -124607877, now seen corresponding path program 1 times [2023-04-02 04:06:15,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:06:15,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770158452] [2023-04-02 04:06:15,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:06:15,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:06:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:06:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:06:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:06:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:06:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:06:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:06:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:06:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:06:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:06:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:06:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 04:06:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:06:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 04:06:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:06:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 04:06:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 04:06:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:06:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 04:06:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 04:06:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 04:06:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:06:16,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:06:16,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:06:16,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770158452] [2023-04-02 04:06:16,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770158452] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:06:16,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:06:16,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:06:16,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60245303] [2023-04-02 04:06:16,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:06:16,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:06:16,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:06:16,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:06:16,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:06:16,337 INFO L87 Difference]: Start difference. First operand 2850 states and 4473 transitions. Second operand has 12 states, 12 states have (on average 9.25) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (39), 11 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)