/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_spec11_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:57:05,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:57:05,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:57:05,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:57:05,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:57:05,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:57:05,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:57:05,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:57:05,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:57:05,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:57:05,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:57:05,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:57:05,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:57:05,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:57:05,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:57:05,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:57:05,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:57:05,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:57:05,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:57:05,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:57:05,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:57:05,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:57:05,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:57:05,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:57:05,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:57:05,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:57:05,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:57:05,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:57:05,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:57:05,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:57:05,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:57:05,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:57:05,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:57:05,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:57:05,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:57:05,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:57:05,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:57:05,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:57:05,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:57:05,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:57:05,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:57:05,740 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 [2023-03-31 00:57:05,764 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:57:05,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:57:05,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:57:05,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:57:05,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:57:05,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:57:05,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:57:05,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:57:05,767 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:57:05,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:57:05,768 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:57:05,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:57:05,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:57:05,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:57:05,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:57:05,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:57:05,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:57:05,769 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:57:05,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:57:05,769 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:57:05,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:57:05,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:57:05,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:57:05,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:57:05,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:57:05,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:57:05,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:57:05,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:57:05,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:57:05,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:57:05,771 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:57:05,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:57:05,771 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:57:05,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:57:05,771 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:57:05,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:57:05,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:57:06,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:57:06,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:57:06,011 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:57:06,011 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:57:06,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2023-03-31 00:57:07,227 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:57:07,531 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:57:07,531 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product18.cil.c [2023-03-31 00:57:07,554 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37d60605/010296f2372b4bf8a5efe053be8120b9/FLAG6454bd6c5 [2023-03-31 00:57:07,567 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37d60605/010296f2372b4bf8a5efe053be8120b9 [2023-03-31 00:57:07,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:57:07,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:57:07,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:57:07,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:57:07,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:57:07,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:57:07" (1/1) ... [2023-03-31 00:57:07,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cecafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:07, skipping insertion in model container [2023-03-31 00:57:07,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:57:07" (1/1) ... [2023-03-31 00:57:07,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:57:07,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:57:08,152 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_spec11_product18.cil.c[57905,57918] [2023-03-31 00:57:08,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:57:08,193 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:57:08,298 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_spec11_product18.cil.c[57905,57918] [2023-03-31 00:57:08,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:57:08,332 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:57:08,338 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:57:08,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08 WrapperNode [2023-03-31 00:57:08,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:57:08,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:57:08,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:57:08,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:57:08,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (1/1) ... [2023-03-31 00:57:08,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (1/1) ... [2023-03-31 00:57:08,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (1/1) ... [2023-03-31 00:57:08,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (1/1) ... [2023-03-31 00:57:08,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (1/1) ... [2023-03-31 00:57:08,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (1/1) ... [2023-03-31 00:57:08,457 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (1/1) ... [2023-03-31 00:57:08,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (1/1) ... [2023-03-31 00:57:08,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:57:08,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:57:08,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:57:08,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:57:08,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (1/1) ... [2023-03-31 00:57:08,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:57:08,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:08,530 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) [2023-03-31 00:57:08,549 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 [2023-03-31 00:57:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:57:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:57:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:57:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:57:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-03-31 00:57:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-03-31 00:57:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:57:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:57:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:57:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:57:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:57:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:57:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:57:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:57:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:57:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:57:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:57:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:57:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:57:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:57:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:57:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:57:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:57:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:57:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:57:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:57:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:57:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:57:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:57:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:57:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:57:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:57:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:57:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:57:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:57:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:57:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:57:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:57:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:57:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:57:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:57:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:57:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:57:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:57:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:57:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:57:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:57:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:57:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:57:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-03-31 00:57:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 00:57:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:57:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:57:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:57:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:57:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:57:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:57:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:57:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:57:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:57:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:57:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:57:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:57:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:57:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:57:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:57:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 00:57:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:57:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:57:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:57:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:57:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:57:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:57:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:57:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:57:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:57:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-03-31 00:57:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-03-31 00:57:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:57:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 00:57:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:57:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:57:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:57:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:57:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:57:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:57:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:57:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:57:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:57:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:57:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:57:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:57:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:57:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:57:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:57:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:57:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:57:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:57:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:57:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:57:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:57:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:57:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:57:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:57:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:57:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:57:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:57:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:57:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:57:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:57:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:57:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:57:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:57:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:57:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:57:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:57:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:57:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:57:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:57:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:57:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:57:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:57:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:57:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:57:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:57:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:57:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 00:57:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 00:57:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 00:57:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:57:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-03-31 00:57:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 00:57:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-03-31 00:57:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:57:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:57:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:57:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:57:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:57:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:57:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:57:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:57:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:57:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 00:57:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 00:57:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 00:57:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:57:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:57:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:57:08,927 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:57:08,930 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:57:10,017 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:57:10,035 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:57:10,036 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:57:10,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:57:10 BoogieIcfgContainer [2023-03-31 00:57:10,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:57:10,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:57:10,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:57:10,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:57:10,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:57:07" (1/3) ... [2023-03-31 00:57:10,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346fc8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:57:10, skipping insertion in model container [2023-03-31 00:57:10,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:08" (2/3) ... [2023-03-31 00:57:10,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346fc8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:57:10, skipping insertion in model container [2023-03-31 00:57:10,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:57:10" (3/3) ... [2023-03-31 00:57:10,051 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product18.cil.c [2023-03-31 00:57:10,062 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:57:10,063 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:57:10,132 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:57:10,139 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;@45d35d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:57:10,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:57:10,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 479 states, 307 states have (on average 1.4136807817589576) internal successors, (434), 314 states have internal predecessors, (434), 97 states have call successors, (97), 67 states have call predecessors, (97), 67 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2023-03-31 00:57:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-03-31 00:57:10,173 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:10,174 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-03-31 00:57:10,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:10,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:10,179 INFO L85 PathProgramCache]: Analyzing trace with hash 375785554, now seen corresponding path program 1 times [2023-03-31 00:57:10,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:10,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928556854] [2023-03-31 00:57:10,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:10,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:57:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:57:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:57:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:57:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:57:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:57:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:57:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:57:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 00:57:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 00:57:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:57:11,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:11,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928556854] [2023-03-31 00:57:11,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928556854] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:11,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:57:11,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 00:57:11,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018924962] [2023-03-31 00:57:11,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:11,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 00:57:11,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:11,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 00:57:11,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-03-31 00:57:11,682 INFO L87 Difference]: Start difference. First operand has 479 states, 307 states have (on average 1.4136807817589576) internal successors, (434), 314 states have internal predecessors, (434), 97 states have call successors, (97), 67 states have call predecessors, (97), 67 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) Second operand has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:23,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:23,196 INFO L93 Difference]: Finished difference Result 1398 states and 2342 transitions. [2023-03-31 00:57:23,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-03-31 00:57:23,198 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 177 [2023-03-31 00:57:23,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:23,216 INFO L225 Difference]: With dead ends: 1398 [2023-03-31 00:57:23,217 INFO L226 Difference]: Without dead ends: 888 [2023-03-31 00:57:23,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2411 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2023-03-31 00:57:23,232 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2008 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 1255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2040 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 3611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:23,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2040 Valid, 241 Invalid, 3611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1255 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-03-31 00:57:23,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2023-03-31 00:57:23,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 434. [2023-03-31 00:57:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 287 states have internal predecessors, (403), 88 states have call successors, (88), 66 states have call predecessors, (88), 62 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-03-31 00:57:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 574 transitions. [2023-03-31 00:57:23,614 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 574 transitions. Word has length 177 [2023-03-31 00:57:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:23,614 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 574 transitions. [2023-03-31 00:57:23,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (43), 12 states have call predecessors, (43), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 574 transitions. [2023-03-31 00:57:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-03-31 00:57:23,620 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:23,620 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-03-31 00:57:23,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:57:23,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:23,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:23,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1779054833, now seen corresponding path program 1 times [2023-03-31 00:57:23,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:23,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880573462] [2023-03-31 00:57:23,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:23,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:57:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:57:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:57:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:57:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:57:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:57:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:57:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:57:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:57:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:57:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-31 00:57:24,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:24,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880573462] [2023-03-31 00:57:24,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880573462] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:24,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779776886] [2023-03-31 00:57:24,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:24,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:24,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:24,909 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) [2023-03-31 00:57:24,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:57:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:25,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 2225 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:57:25,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:57:25,426 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:25,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779776886] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:25,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:25,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 00:57:25,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038224250] [2023-03-31 00:57:25,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:25,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:57:25,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:25,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:57:25,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:25,442 INFO L87 Difference]: Start difference. First operand 434 states and 574 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:25,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:25,764 INFO L93 Difference]: Finished difference Result 639 states and 828 transitions. [2023-03-31 00:57:25,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:57:25,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 178 [2023-03-31 00:57:25,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:25,769 INFO L225 Difference]: With dead ends: 639 [2023-03-31 00:57:25,770 INFO L226 Difference]: Without dead ends: 437 [2023-03-31 00:57:25,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:25,772 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 1 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1142 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 [2023-03-31 00:57:25,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1142 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:57:25,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2023-03-31 00:57:26,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 436. [2023-03-31 00:57:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 285 states have (on average 1.4210526315789473) internal successors, (405), 289 states have internal predecessors, (405), 88 states have call successors, (88), 66 states have call predecessors, (88), 62 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-03-31 00:57:26,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 576 transitions. [2023-03-31 00:57:26,032 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 576 transitions. Word has length 178 [2023-03-31 00:57:26,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:26,033 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 576 transitions. [2023-03-31 00:57:26,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 576 transitions. [2023-03-31 00:57:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-03-31 00:57:26,036 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:26,036 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:26,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:26,245 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 [2023-03-31 00:57:26,245 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:26,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:26,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1455729473, now seen corresponding path program 1 times [2023-03-31 00:57:26,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:26,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192852213] [2023-03-31 00:57:26,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:26,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:57:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 00:57:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 00:57:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:57:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:57:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 00:57:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 00:57:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 00:57:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 00:57:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-03-31 00:57:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,504 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-31 00:57:27,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:27,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192852213] [2023-03-31 00:57:27,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192852213] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:27,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271431565] [2023-03-31 00:57:27,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:27,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:27,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:27,506 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) [2023-03-31 00:57:27,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:57:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:27,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 2241 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:57:27,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:57:28,034 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:28,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271431565] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:28,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:28,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 00:57:28,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998767513] [2023-03-31 00:57:28,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:28,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:57:28,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:28,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:57:28,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:28,037 INFO L87 Difference]: Start difference. First operand 436 states and 576 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:28,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:28,383 INFO L93 Difference]: Finished difference Result 848 states and 1150 transitions. [2023-03-31 00:57:28,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:57:28,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 188 [2023-03-31 00:57:28,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:28,387 INFO L225 Difference]: With dead ends: 848 [2023-03-31 00:57:28,388 INFO L226 Difference]: Without dead ends: 477 [2023-03-31 00:57:28,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:28,391 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 52 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1146 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 [2023-03-31 00:57:28,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:57:28,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2023-03-31 00:57:28,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2023-03-31 00:57:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 317 states have (on average 1.444794952681388) internal successors, (458), 321 states have internal predecessors, (458), 96 states have call successors, (96), 66 states have call predecessors, (96), 62 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-03-31 00:57:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 645 transitions. [2023-03-31 00:57:28,694 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 645 transitions. Word has length 188 [2023-03-31 00:57:28,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:28,694 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 645 transitions. [2023-03-31 00:57:28,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:28,694 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 645 transitions. [2023-03-31 00:57:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-03-31 00:57:28,699 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:28,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:28,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:28,907 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 [2023-03-31 00:57:28,908 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:28,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:28,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1851787552, now seen corresponding path program 1 times [2023-03-31 00:57:28,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:28,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136672901] [2023-03-31 00:57:28,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:28,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:57:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 00:57:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 00:57:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:57:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:57:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 00:57:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:57:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 00:57:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:57:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 00:57:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-31 00:57:30,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:30,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136672901] [2023-03-31 00:57:30,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136672901] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:30,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914322792] [2023-03-31 00:57:30,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:30,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:30,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:30,022 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) [2023-03-31 00:57:30,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 00:57:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:30,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:57:30,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:57:30,478 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:30,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914322792] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:30,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:30,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 00:57:30,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061754144] [2023-03-31 00:57:30,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:30,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:57:30,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:30,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:57:30,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:30,480 INFO L87 Difference]: Start difference. First operand 476 states and 645 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:30,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:30,836 INFO L93 Difference]: Finished difference Result 965 states and 1352 transitions. [2023-03-31 00:57:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:57:30,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 189 [2023-03-31 00:57:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:30,839 INFO L225 Difference]: With dead ends: 965 [2023-03-31 00:57:30,840 INFO L226 Difference]: Without dead ends: 554 [2023-03-31 00:57:30,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:30,842 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 50 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1150 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 [2023-03-31 00:57:30,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1150 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:57:30,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2023-03-31 00:57:31,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 553. [2023-03-31 00:57:31,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 379 states have (on average 1.4775725593667546) internal successors, (560), 383 states have internal predecessors, (560), 111 states have call successors, (111), 66 states have call predecessors, (111), 62 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2023-03-31 00:57:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 777 transitions. [2023-03-31 00:57:31,158 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 777 transitions. Word has length 189 [2023-03-31 00:57:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:31,158 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 777 transitions. [2023-03-31 00:57:31,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 777 transitions. [2023-03-31 00:57:31,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-03-31 00:57:31,162 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:31,162 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:31,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:31,371 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 [2023-03-31 00:57:31,371 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:31,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:31,372 INFO L85 PathProgramCache]: Analyzing trace with hash -987904639, now seen corresponding path program 1 times [2023-03-31 00:57:31,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:31,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317072289] [2023-03-31 00:57:31,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:31,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:57:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 00:57:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:57:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:57:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:57:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 00:57:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:57:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 00:57:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 00:57:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 00:57:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-31 00:57:32,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:32,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317072289] [2023-03-31 00:57:32,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317072289] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:32,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48974330] [2023-03-31 00:57:32,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:32,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:32,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:32,421 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) [2023-03-31 00:57:32,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 00:57:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:32,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:57:32,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:57:32,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:32,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48974330] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:32,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:32,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 00:57:32,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238829750] [2023-03-31 00:57:32,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:32,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:57:32,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:32,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:57:32,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:32,888 INFO L87 Difference]: Start difference. First operand 553 states and 777 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:33,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:33,344 INFO L93 Difference]: Finished difference Result 1190 states and 1738 transitions. [2023-03-31 00:57:33,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:57:33,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 190 [2023-03-31 00:57:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:33,349 INFO L225 Difference]: With dead ends: 1190 [2023-03-31 00:57:33,349 INFO L226 Difference]: Without dead ends: 702 [2023-03-31 00:57:33,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:33,351 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 48 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1144 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 [2023-03-31 00:57:33,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1144 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:57:33,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-03-31 00:57:33,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 701. [2023-03-31 00:57:33,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 499 states have (on average 1.5150300601202404) internal successors, (756), 503 states have internal predecessors, (756), 139 states have call successors, (139), 66 states have call predecessors, (139), 62 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2023-03-31 00:57:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1029 transitions. [2023-03-31 00:57:33,932 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1029 transitions. Word has length 190 [2023-03-31 00:57:33,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:33,933 INFO L495 AbstractCegarLoop]: Abstraction has 701 states and 1029 transitions. [2023-03-31 00:57:33,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1029 transitions. [2023-03-31 00:57:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-03-31 00:57:33,936 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:33,937 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:33,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:34,145 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 [2023-03-31 00:57:34,145 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:34,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:34,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1658120928, now seen corresponding path program 1 times [2023-03-31 00:57:34,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:34,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28665232] [2023-03-31 00:57:34,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:34,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:34,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:57:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 00:57:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:57:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:57:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:57:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:57:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 00:57:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 00:57:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 00:57:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-03-31 00:57:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-31 00:57:35,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:35,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28665232] [2023-03-31 00:57:35,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28665232] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:35,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166411202] [2023-03-31 00:57:35,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:35,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:35,189 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) [2023-03-31 00:57:35,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 00:57:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:35,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 2256 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:57:35,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:35,615 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:57:35,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:35,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166411202] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:35,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:35,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 00:57:35,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054072844] [2023-03-31 00:57:35,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:35,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:57:35,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:35,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:57:35,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:35,618 INFO L87 Difference]: Start difference. First operand 701 states and 1029 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:36,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:36,273 INFO L93 Difference]: Finished difference Result 1622 states and 2474 transitions. [2023-03-31 00:57:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:57:36,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 191 [2023-03-31 00:57:36,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:36,278 INFO L225 Difference]: With dead ends: 1622 [2023-03-31 00:57:36,278 INFO L226 Difference]: Without dead ends: 986 [2023-03-31 00:57:36,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:36,280 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 46 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 1140 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 [2023-03-31 00:57:36,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 1140 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:57:36,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2023-03-31 00:57:36,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 985. [2023-03-31 00:57:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 731 states have (on average 1.548563611491108) internal successors, (1132), 735 states have internal predecessors, (1132), 191 states have call successors, (191), 66 states have call predecessors, (191), 62 states have return successors, (186), 186 states have call predecessors, (186), 186 states have call successors, (186) [2023-03-31 00:57:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1509 transitions. [2023-03-31 00:57:36,804 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1509 transitions. Word has length 191 [2023-03-31 00:57:36,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:36,804 INFO L495 AbstractCegarLoop]: Abstraction has 985 states and 1509 transitions. [2023-03-31 00:57:36,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1509 transitions. [2023-03-31 00:57:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-03-31 00:57:36,809 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:36,810 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:36,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:37,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:37,018 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:37,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:37,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1921783871, now seen corresponding path program 1 times [2023-03-31 00:57:37,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:37,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233639006] [2023-03-31 00:57:37,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:37,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:57:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 00:57:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 00:57:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:57:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:57:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:57:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 00:57:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 00:57:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 00:57:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-03-31 00:57:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,038 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-31 00:57:38,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:38,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233639006] [2023-03-31 00:57:38,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233639006] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:38,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105859596] [2023-03-31 00:57:38,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:38,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:38,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:38,041 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:57:38,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-31 00:57:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:38,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 2261 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:57:38,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 00:57:38,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:38,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105859596] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:38,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:38,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 00:57:38,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570049022] [2023-03-31 00:57:38,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:38,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:57:38,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:38,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:57:38,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:38,521 INFO L87 Difference]: Start difference. First operand 985 states and 1509 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:39,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:39,413 INFO L93 Difference]: Finished difference Result 2450 states and 3874 transitions. [2023-03-31 00:57:39,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:57:39,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 192 [2023-03-31 00:57:39,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:39,420 INFO L225 Difference]: With dead ends: 2450 [2023-03-31 00:57:39,420 INFO L226 Difference]: Without dead ends: 1530 [2023-03-31 00:57:39,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:39,423 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 44 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1140 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 [2023-03-31 00:57:39,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1140 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:57:39,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2023-03-31 00:57:40,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1529. [2023-03-31 00:57:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1179 states have (on average 1.5708227311280747) internal successors, (1852), 1183 states have internal predecessors, (1852), 287 states have call successors, (287), 66 states have call predecessors, (287), 62 states have return successors, (282), 282 states have call predecessors, (282), 282 states have call successors, (282) [2023-03-31 00:57:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2421 transitions. [2023-03-31 00:57:40,319 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2421 transitions. Word has length 192 [2023-03-31 00:57:40,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:40,320 INFO L495 AbstractCegarLoop]: Abstraction has 1529 states and 2421 transitions. [2023-03-31 00:57:40,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 00:57:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2421 transitions. [2023-03-31 00:57:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-03-31 00:57:40,327 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:40,327 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:40,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:40,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:40,536 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:40,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1229851938, now seen corresponding path program 1 times [2023-03-31 00:57:40,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:40,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668464601] [2023-03-31 00:57:40,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:57:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 00:57:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 00:57:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:57:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:57:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:57:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:57:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 00:57:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 00:57:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 00:57:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-03-31 00:57:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-31 00:57:41,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:41,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668464601] [2023-03-31 00:57:41,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668464601] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:41,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585538510] [2023-03-31 00:57:41,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:41,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:41,529 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:57:41,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-31 00:57:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:41,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 2283 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:57:41,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-03-31 00:57:42,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:42,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585538510] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:42,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:42,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20] total 26 [2023-03-31 00:57:42,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985892585] [2023-03-31 00:57:42,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:42,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:57:42,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:42,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:57:42,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2023-03-31 00:57:42,131 INFO L87 Difference]: Start difference. First operand 1529 states and 2421 transitions. Second operand has 9 states, 7 states have (on average 15.714285714285714) internal successors, (110), 9 states have internal predecessors, (110), 6 states have call successors, (45), 3 states have call predecessors, (45), 6 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-03-31 00:57:43,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:43,721 INFO L93 Difference]: Finished difference Result 3036 states and 4822 transitions. [2023-03-31 00:57:43,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:57:43,722 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.714285714285714) internal successors, (110), 9 states have internal predecessors, (110), 6 states have call successors, (45), 3 states have call predecessors, (45), 6 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) Word has length 194 [2023-03-31 00:57:43,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:43,729 INFO L225 Difference]: With dead ends: 3036 [2023-03-31 00:57:43,729 INFO L226 Difference]: Without dead ends: 1543 [2023-03-31 00:57:43,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-03-31 00:57:43,734 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 536 mSDsluCounter, 2424 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 3003 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:43,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 3003 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:57:43,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2023-03-31 00:57:44,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1543. [2023-03-31 00:57:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1190 states have (on average 1.5705882352941176) internal successors, (1869), 1195 states have internal predecessors, (1869), 287 states have call successors, (287), 68 states have call predecessors, (287), 65 states have return successors, (283), 282 states have call predecessors, (283), 282 states have call successors, (283) [2023-03-31 00:57:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2439 transitions. [2023-03-31 00:57:44,892 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2439 transitions. Word has length 194 [2023-03-31 00:57:44,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:44,893 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2439 transitions. [2023-03-31 00:57:44,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.714285714285714) internal successors, (110), 9 states have internal predecessors, (110), 6 states have call successors, (45), 3 states have call predecessors, (45), 6 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-03-31 00:57:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2439 transitions. [2023-03-31 00:57:44,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-03-31 00:57:44,900 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:44,901 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:44,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:45,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:45,115 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:45,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:45,115 INFO L85 PathProgramCache]: Analyzing trace with hash 454054205, now seen corresponding path program 1 times [2023-03-31 00:57:45,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:45,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853530883] [2023-03-31 00:57:45,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:45,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:57:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 00:57:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-03-31 00:57:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:57:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 00:57:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:57:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 00:57:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 00:57:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 00:57:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 00:57:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 00:57:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-03-31 00:57:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-03-31 00:57:46,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:46,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853530883] [2023-03-31 00:57:46,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853530883] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:46,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831148485] [2023-03-31 00:57:46,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:46,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:46,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:46,065 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:57:46,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-03-31 00:57:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:46,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:57:46,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-03-31 00:57:46,602 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:46,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831148485] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:46,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:46,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 25 [2023-03-31 00:57:46,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241954298] [2023-03-31 00:57:46,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:46,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:57:46,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:46,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:57:46,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-03-31 00:57:46,606 INFO L87 Difference]: Start difference. First operand 1543 states and 2439 transitions. Second operand has 7 states, 6 states have (on average 18.5) internal successors, (111), 7 states have internal predecessors, (111), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2023-03-31 00:57:47,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:47,953 INFO L93 Difference]: Finished difference Result 3037 states and 4840 transitions. [2023-03-31 00:57:47,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:57:47,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.5) internal successors, (111), 7 states have internal predecessors, (111), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) Word has length 195 [2023-03-31 00:57:47,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:47,960 INFO L225 Difference]: With dead ends: 3037 [2023-03-31 00:57:47,960 INFO L226 Difference]: Without dead ends: 1545 [2023-03-31 00:57:47,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-03-31 00:57:47,966 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 524 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:47,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 2325 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 00:57:47,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2023-03-31 00:57:48,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1545. [2023-03-31 00:57:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1191 states have (on average 1.5701091519731318) internal successors, (1870), 1197 states have internal predecessors, (1870), 287 states have call successors, (287), 68 states have call predecessors, (287), 66 states have return successors, (285), 282 states have call predecessors, (285), 282 states have call successors, (285) [2023-03-31 00:57:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 2442 transitions. [2023-03-31 00:57:48,929 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 2442 transitions. Word has length 195 [2023-03-31 00:57:48,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:48,929 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 2442 transitions. [2023-03-31 00:57:48,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.5) internal successors, (111), 7 states have internal predecessors, (111), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2023-03-31 00:57:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 2442 transitions. [2023-03-31 00:57:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-03-31 00:57:48,936 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:48,936 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:48,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-03-31 00:57:49,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-03-31 00:57:49,149 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:49,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:49,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1337309559, now seen corresponding path program 1 times [2023-03-31 00:57:49,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:49,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019115877] [2023-03-31 00:57:49,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:49,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:57:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:57:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:57:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:57:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 00:57:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:57:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:57:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:57:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 00:57:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 00:57:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 00:57:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 00:57:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 00:57:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-03-31 00:57:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-03-31 00:57:50,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:50,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019115877] [2023-03-31 00:57:50,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019115877] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:50,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:57:50,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-31 00:57:50,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244681264] [2023-03-31 00:57:50,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:50,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 00:57:50,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:50,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 00:57:50,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:57:50,111 INFO L87 Difference]: Start difference. First operand 1545 states and 2442 transitions. Second operand has 20 states, 17 states have (on average 6.176470588235294) internal successors, (105), 9 states have internal predecessors, (105), 7 states have call successors, (45), 13 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 7 states have call successors, (33)