/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_spec8_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:05:50,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:05:50,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:05:50,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:05:50,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:05:50,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:05:50,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:05:50,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:05:50,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:05:50,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:05:50,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:05:50,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:05:50,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:05:50,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:05:50,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:05:50,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:05:50,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:05:50,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:05:50,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:05:50,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:05:50,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:05:50,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:05:50,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:05:50,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:05:50,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:05:50,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:05:50,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:05:50,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:05:50,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:05:50,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:05:50,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:05:50,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:05:50,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:05:50,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:05:50,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:05:50,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:05:50,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:05:50,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:05:50,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:05:50,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:05:50,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:05:50,725 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 01:05:50,743 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:05:50,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:05:50,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:05:50,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:05:50,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:05:50,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:05:50,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:05:50,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:05:50,744 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:05:50,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:05:50,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:05:50,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:05:50,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:05:50,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:05:50,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:05:50,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:05:50,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:05:50,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:05:50,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:05:50,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:05:50,751 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:05:50,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:05:50,751 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:05:50,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:05:50,751 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:05:50,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:05:50,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:05:50,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:05:50,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:05:50,974 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:05:50,975 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:05:50,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2023-03-31 01:05:52,076 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:05:52,309 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:05:52,310 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2023-03-31 01:05:52,333 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/320aa7cc3/d1f6126e13944009a29740372357fbd6/FLAG6481592f9 [2023-03-31 01:05:52,343 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/320aa7cc3/d1f6126e13944009a29740372357fbd6 [2023-03-31 01:05:52,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:05:52,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:05:52,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:05:52,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:05:52,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:05:52,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e5d3c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52, skipping insertion in model container [2023-03-31 01:05:52,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:05:52,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:05:52,622 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_spec8_product20.cil.c[19452,19465] [2023-03-31 01:05:52,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:05:52,760 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:05:52,795 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_spec8_product20.cil.c[19452,19465] [2023-03-31 01:05:52,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:05:52,849 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 01:05:52,853 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:05:52,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52 WrapperNode [2023-03-31 01:05:52,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:05:52,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:05:52,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:05:52,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:05:52,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,931 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:05:52,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:05:52,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:05:52,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:05:52,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (1/1) ... [2023-03-31 01:05:52,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:05:52,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:05:52,989 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 01:05:53,005 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 01:05:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:05:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:05:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:05:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:05:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:05:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:05:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 01:05:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 01:05:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 01:05:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 01:05:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 01:05:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 01:05:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 01:05:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 01:05:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 01:05:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 01:05:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 01:05:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 01:05:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 01:05:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 01:05:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 01:05:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 01:05:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 01:05:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:05:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:05:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:05:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:05:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:05:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:05:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:05:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:05:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 01:05:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 01:05:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 01:05:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 01:05:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 01:05:53,028 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 01:05:53,029 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:05:53,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:05:53,232 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:05:53,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:05:54,381 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:05:54,399 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:05:54,400 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 01:05:54,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:05:54 BoogieIcfgContainer [2023-03-31 01:05:54,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:05:54,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:05:54,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:05:54,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:05:54,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:05:52" (1/3) ... [2023-03-31 01:05:54,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4e8e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:05:54, skipping insertion in model container [2023-03-31 01:05:54,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:52" (2/3) ... [2023-03-31 01:05:54,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4e8e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:05:54, skipping insertion in model container [2023-03-31 01:05:54,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:05:54" (3/3) ... [2023-03-31 01:05:54,411 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2023-03-31 01:05:54,424 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:05:54,424 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:05:54,469 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:05:54,473 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;@427bf5fc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:05:54,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:05:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 563 states, 368 states have (on average 1.4565217391304348) internal successors, (536), 376 states have internal predecessors, (536), 114 states have call successors, (114), 73 states have call predecessors, (114), 73 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-03-31 01:05:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-03-31 01:05:54,495 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:05:54,495 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:05:54,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:05:54,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:05:54,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1313057583, now seen corresponding path program 1 times [2023-03-31 01:05:54,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:05:54,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891032158] [2023-03-31 01:05:54,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:54,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:05:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:05:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:05:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:05:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:05:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:05:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:05:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:05:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:05:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 01:05:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 01:05:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 01:05:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:05:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:05:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:55,650 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:05:55,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:05:55,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891032158] [2023-03-31 01:05:55,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891032158] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:05:55,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:05:55,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:05:55,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847487538] [2023-03-31 01:05:55,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:05:55,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:05:55,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:05:55,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:05:55,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:05:55,683 INFO L87 Difference]: Start difference. First operand has 563 states, 368 states have (on average 1.4565217391304348) internal successors, (536), 376 states have internal predecessors, (536), 114 states have call successors, (114), 73 states have call predecessors, (114), 73 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:01,875 INFO L93 Difference]: Finished difference Result 1135 states and 1713 transitions. [2023-03-31 01:06:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-31 01:06:01,878 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 154 [2023-03-31 01:06:01,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:01,901 INFO L225 Difference]: With dead ends: 1135 [2023-03-31 01:06:01,901 INFO L226 Difference]: Without dead ends: 813 [2023-03-31 01:06:01,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-03-31 01:06:01,913 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1780 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1948 mSolverCounterSat, 814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 2762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 814 IncrementalHoareTripleChecker+Valid, 1948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:06:01,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 73 Invalid, 2762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [814 Valid, 1948 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-03-31 01:06:01,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2023-03-31 01:06:02,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 510. [2023-03-31 01:06:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 339 states have (on average 1.4749262536873156) internal successors, (500), 344 states have internal predecessors, (500), 103 states have call successors, (103), 71 states have call predecessors, (103), 67 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-03-31 01:06:02,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 701 transitions. [2023-03-31 01:06:02,215 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 701 transitions. Word has length 154 [2023-03-31 01:06:02,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:02,216 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 701 transitions. [2023-03-31 01:06:02,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (36), 10 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:02,216 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 701 transitions. [2023-03-31 01:06:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-03-31 01:06:02,220 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:02,220 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:06:02,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:06:02,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:02,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:02,221 INFO L85 PathProgramCache]: Analyzing trace with hash 482845298, now seen corresponding path program 1 times [2023-03-31 01:06:02,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:02,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321239191] [2023-03-31 01:06:02,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:02,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:06:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:06:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:06:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 01:06:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 01:06:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:06:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 01:06:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 01:06:03,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:03,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321239191] [2023-03-31 01:06:03,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321239191] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:03,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038655422] [2023-03-31 01:06:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:03,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:03,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:03,385 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 01:06:03,409 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 01:06:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:03,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 01:06:03,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:03,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:03,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038655422] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:03,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:03,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 01:06:03,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538865938] [2023-03-31 01:06:03,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:03,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:06:03,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:03,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:06:03,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:03,904 INFO L87 Difference]: Start difference. First operand 510 states and 701 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:04,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:04,145 INFO L93 Difference]: Finished difference Result 747 states and 1010 transitions. [2023-03-31 01:06:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:06:04,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 155 [2023-03-31 01:06:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:04,148 INFO L225 Difference]: With dead ends: 747 [2023-03-31 01:06:04,148 INFO L226 Difference]: Without dead ends: 513 [2023-03-31 01:06:04,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:04,149 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 1 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1396 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 01:06:04,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1396 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:06:04,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2023-03-31 01:06:04,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 512. [2023-03-31 01:06:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 341 states have (on average 1.4721407624633431) internal successors, (502), 346 states have internal predecessors, (502), 103 states have call successors, (103), 71 states have call predecessors, (103), 67 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-03-31 01:06:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 703 transitions. [2023-03-31 01:06:04,432 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 703 transitions. Word has length 155 [2023-03-31 01:06:04,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:04,433 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 703 transitions. [2023-03-31 01:06:04,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 703 transitions. [2023-03-31 01:06:04,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-03-31 01:06:04,435 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:04,435 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:06:04,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 01:06:04,642 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 01:06:04,642 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:04,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:04,643 INFO L85 PathProgramCache]: Analyzing trace with hash -233269342, now seen corresponding path program 1 times [2023-03-31 01:06:04,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:04,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713323806] [2023-03-31 01:06:04,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:04,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 01:06:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 01:06:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:06:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 01:06:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:06:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 01:06:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:06:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:05,613 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:06:05,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:05,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713323806] [2023-03-31 01:06:05,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713323806] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:05,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020974085] [2023-03-31 01:06:05,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:05,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:05,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:05,633 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 01:06:05,635 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 01:06:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:06,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 2317 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:06:06,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:06,071 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:06,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020974085] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:06,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:06,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 01:06:06,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944573521] [2023-03-31 01:06:06,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:06,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:06:06,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:06,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:06:06,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:06,074 INFO L87 Difference]: Start difference. First operand 512 states and 703 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:06,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:06,314 INFO L93 Difference]: Finished difference Result 1002 states and 1407 transitions. [2023-03-31 01:06:06,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:06:06,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 165 [2023-03-31 01:06:06,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:06,318 INFO L225 Difference]: With dead ends: 1002 [2023-03-31 01:06:06,318 INFO L226 Difference]: Without dead ends: 555 [2023-03-31 01:06:06,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:06,321 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 53 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1406 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 01:06:06,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1406 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:06:06,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2023-03-31 01:06:06,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 554. [2023-03-31 01:06:06,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 374 states have (on average 1.4866310160427807) internal successors, (556), 379 states have internal predecessors, (556), 112 states have call successors, (112), 71 states have call predecessors, (112), 67 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-03-31 01:06:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 775 transitions. [2023-03-31 01:06:06,583 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 775 transitions. Word has length 165 [2023-03-31 01:06:06,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:06,584 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 775 transitions. [2023-03-31 01:06:06,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 775 transitions. [2023-03-31 01:06:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-03-31 01:06:06,586 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:06,586 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:06:06,596 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 01:06:06,794 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 01:06:06,794 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:06,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:06,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1881748961, now seen corresponding path program 1 times [2023-03-31 01:06:06,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:06,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570905547] [2023-03-31 01:06:06,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:06,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 01:06:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:06:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 01:06:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 01:06:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:06:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 01:06:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 01:06:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:06:07,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:07,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570905547] [2023-03-31 01:06:07,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570905547] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:07,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021827564] [2023-03-31 01:06:07,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:07,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:07,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:07,717 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 01:06:07,752 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 01:06:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:08,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 2322 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:06:08,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:08,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:08,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021827564] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:08,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:08,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 01:06:08,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162059086] [2023-03-31 01:06:08,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:08,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:06:08,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:08,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:06:08,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:08,173 INFO L87 Difference]: Start difference. First operand 554 states and 775 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:08,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:08,445 INFO L93 Difference]: Finished difference Result 1125 states and 1618 transitions. [2023-03-31 01:06:08,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:06:08,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2023-03-31 01:06:08,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:08,449 INFO L225 Difference]: With dead ends: 1125 [2023-03-31 01:06:08,449 INFO L226 Difference]: Without dead ends: 636 [2023-03-31 01:06:08,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:08,452 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 51 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1406 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 01:06:08,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1406 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:06:08,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2023-03-31 01:06:08,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 635. [2023-03-31 01:06:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 438 states have (on average 1.5068493150684932) internal successors, (660), 443 states have internal predecessors, (660), 129 states have call successors, (129), 71 states have call predecessors, (129), 67 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2023-03-31 01:06:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 913 transitions. [2023-03-31 01:06:08,702 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 913 transitions. Word has length 166 [2023-03-31 01:06:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:08,702 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 913 transitions. [2023-03-31 01:06:08,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 913 transitions. [2023-03-31 01:06:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-03-31 01:06:08,704 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:08,705 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:06:08,720 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 01:06:08,912 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 01:06:08,914 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:08,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:08,914 INFO L85 PathProgramCache]: Analyzing trace with hash 105133282, now seen corresponding path program 1 times [2023-03-31 01:06:08,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:08,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100004267] [2023-03-31 01:06:08,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:08,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 01:06:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:06:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:06:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:06:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:06:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 01:06:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 01:06:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:06:09,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:09,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100004267] [2023-03-31 01:06:09,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100004267] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:09,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514621421] [2023-03-31 01:06:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:09,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:09,669 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 01:06:09,681 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 01:06:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:10,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 2327 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:06:10,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:10,131 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:10,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514621421] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:10,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:10,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 01:06:10,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68707126] [2023-03-31 01:06:10,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:10,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:06:10,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:10,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:06:10,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:10,133 INFO L87 Difference]: Start difference. First operand 635 states and 913 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:10,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:10,524 INFO L93 Difference]: Finished difference Result 1362 states and 2022 transitions. [2023-03-31 01:06:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:06:10,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 167 [2023-03-31 01:06:10,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:10,527 INFO L225 Difference]: With dead ends: 1362 [2023-03-31 01:06:10,527 INFO L226 Difference]: Without dead ends: 792 [2023-03-31 01:06:10,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:10,529 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 49 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1398 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 01:06:10,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1398 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:06:10,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-03-31 01:06:10,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 791. [2023-03-31 01:06:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 562 states have (on average 1.5302491103202847) internal successors, (860), 567 states have internal predecessors, (860), 161 states have call successors, (161), 71 states have call predecessors, (161), 67 states have return successors, (156), 155 states have call predecessors, (156), 156 states have call successors, (156) [2023-03-31 01:06:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1177 transitions. [2023-03-31 01:06:10,869 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1177 transitions. Word has length 167 [2023-03-31 01:06:10,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:10,870 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1177 transitions. [2023-03-31 01:06:10,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1177 transitions. [2023-03-31 01:06:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-03-31 01:06:10,872 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:10,872 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:06:10,891 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 01:06:11,080 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 01:06:11,080 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:11,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:11,080 INFO L85 PathProgramCache]: Analyzing trace with hash 510566623, now seen corresponding path program 1 times [2023-03-31 01:06:11,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:11,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90447433] [2023-03-31 01:06:11,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:11,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:06:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:06:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:06:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:06:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:06:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:06:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 01:06:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:06:11,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:11,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90447433] [2023-03-31 01:06:11,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90447433] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:11,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026441241] [2023-03-31 01:06:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:11,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:11,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:11,914 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 01:06:11,929 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 01:06:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:12,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:06:12,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:06:12,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:12,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026441241] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:12,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:12,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 01:06:12,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559785781] [2023-03-31 01:06:12,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:12,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:06:12,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:12,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:06:12,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:12,370 INFO L87 Difference]: Start difference. First operand 791 states and 1177 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:12,867 INFO L93 Difference]: Finished difference Result 1818 states and 2794 transitions. [2023-03-31 01:06:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:06:12,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2023-03-31 01:06:12,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:12,872 INFO L225 Difference]: With dead ends: 1818 [2023-03-31 01:06:12,872 INFO L226 Difference]: Without dead ends: 1092 [2023-03-31 01:06:12,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:12,874 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 47 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1394 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 01:06:12,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1394 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:06:12,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2023-03-31 01:06:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1091. [2023-03-31 01:06:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 802 states have (on average 1.5511221945137157) internal successors, (1244), 807 states have internal predecessors, (1244), 221 states have call successors, (221), 71 states have call predecessors, (221), 67 states have return successors, (216), 215 states have call predecessors, (216), 216 states have call successors, (216) [2023-03-31 01:06:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1681 transitions. [2023-03-31 01:06:13,368 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1681 transitions. Word has length 168 [2023-03-31 01:06:13,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:13,368 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1681 transitions. [2023-03-31 01:06:13,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-03-31 01:06:13,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1681 transitions. [2023-03-31 01:06:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-03-31 01:06:13,371 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:13,372 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:06:13,381 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 01:06:13,581 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 01:06:13,582 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:13,582 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:13,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1505321212, now seen corresponding path program 1 times [2023-03-31 01:06:13,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:13,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705999692] [2023-03-31 01:06:13,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:13,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:06:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 01:06:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 01:06:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 01:06:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 01:06:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:06:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 01:06:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 01:06:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:06:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,435 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:06:14,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:14,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705999692] [2023-03-31 01:06:14,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705999692] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:14,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564631789] [2023-03-31 01:06:14,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:14,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:14,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:14,452 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 01:06:14,453 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 01:06:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:14,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:06:14,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 01:06:15,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:15,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564631789] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:15,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:15,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-03-31 01:06:15,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099478047] [2023-03-31 01:06:15,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:15,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:06:15,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:15,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:06:15,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:06:15,040 INFO L87 Difference]: Start difference. First operand 1091 states and 1681 transitions. Second operand has 9 states, 7 states have (on average 14.428571428571429) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-03-31 01:06:16,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:16,206 INFO L93 Difference]: Finished difference Result 2160 states and 3342 transitions. [2023-03-31 01:06:16,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:06:16,207 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.428571428571429) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 171 [2023-03-31 01:06:16,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:16,210 INFO L225 Difference]: With dead ends: 2160 [2023-03-31 01:06:16,211 INFO L226 Difference]: Without dead ends: 1105 [2023-03-31 01:06:16,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:06:16,213 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 664 mSDsluCounter, 3004 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 3710 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:06:16,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 3710 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:06:16,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2023-03-31 01:06:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1105. [2023-03-31 01:06:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 813 states have (on average 1.5510455104551046) internal successors, (1261), 819 states have internal predecessors, (1261), 221 states have call successors, (221), 73 states have call predecessors, (221), 70 states have return successors, (217), 215 states have call predecessors, (217), 216 states have call successors, (217) [2023-03-31 01:06:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1699 transitions. [2023-03-31 01:06:16,720 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1699 transitions. Word has length 171 [2023-03-31 01:06:16,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:16,721 INFO L495 AbstractCegarLoop]: Abstraction has 1105 states and 1699 transitions. [2023-03-31 01:06:16,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.428571428571429) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (38), 3 states have call predecessors, (38), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-03-31 01:06:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1699 transitions. [2023-03-31 01:06:16,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-03-31 01:06:16,724 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:16,724 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:06:16,741 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 01:06:16,932 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 01:06:16,932 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:16,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:16,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1214435645, now seen corresponding path program 1 times [2023-03-31 01:06:16,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:16,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26247934] [2023-03-31 01:06:16,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:16,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:06:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:06:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-03-31 01:06:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:06:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 01:06:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 01:06:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:06:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 01:06:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 01:06:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:06:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:17,722 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:06:17,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:17,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26247934] [2023-03-31 01:06:17,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26247934] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:06:17,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440859948] [2023-03-31 01:06:17,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:17,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:06:17,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:06:17,734 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 01:06:17,735 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 01:06:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:18,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 2360 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:06:18,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:06:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 01:06:18,227 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:06:18,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440859948] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:18,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:06:18,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-03-31 01:06:18,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855884938] [2023-03-31 01:06:18,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:18,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:06:18,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:18,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:06:18,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-03-31 01:06:18,228 INFO L87 Difference]: Start difference. First operand 1105 states and 1699 transitions. Second operand has 7 states, 6 states have (on average 17.0) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2023-03-31 01:06:19,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:19,143 INFO L93 Difference]: Finished difference Result 2161 states and 3352 transitions. [2023-03-31 01:06:19,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:06:19,144 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.0) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 172 [2023-03-31 01:06:19,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:19,148 INFO L225 Difference]: With dead ends: 2161 [2023-03-31 01:06:19,149 INFO L226 Difference]: Without dead ends: 1107 [2023-03-31 01:06:19,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:06:19,152 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 652 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 2746 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:06:19,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 2746 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:06:19,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2023-03-31 01:06:19,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1107. [2023-03-31 01:06:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 814 states have (on average 1.5503685503685503) internal successors, (1262), 821 states have internal predecessors, (1262), 221 states have call successors, (221), 73 states have call predecessors, (221), 71 states have return successors, (219), 215 states have call predecessors, (219), 216 states have call successors, (219) [2023-03-31 01:06:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1702 transitions. [2023-03-31 01:06:19,788 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1702 transitions. Word has length 172 [2023-03-31 01:06:19,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:19,788 INFO L495 AbstractCegarLoop]: Abstraction has 1107 states and 1702 transitions. [2023-03-31 01:06:19,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.0) internal successors, (102), 7 states have internal predecessors, (102), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2023-03-31 01:06:19,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1702 transitions. [2023-03-31 01:06:19,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-03-31 01:06:19,792 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:19,792 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:06:19,813 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 01:06:20,000 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 01:06:20,001 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:20,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:20,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1559162162, now seen corresponding path program 1 times [2023-03-31 01:06:20,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:20,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767198082] [2023-03-31 01:06:20,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:06:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:06:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 01:06:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:06:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 01:06:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:06:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:06:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 01:06:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 01:06:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:06:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:06:20,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:20,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767198082] [2023-03-31 01:06:20,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767198082] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:20,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:06:20,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:06:20,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809441360] [2023-03-31 01:06:20,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:20,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:06:20,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:20,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:06:20,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:20,811 INFO L87 Difference]: Start difference. First operand 1107 states and 1702 transitions. Second operand has 18 states, 15 states have (on average 6.4) internal successors, (96), 9 states have internal predecessors, (96), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) [2023-03-31 01:06:34,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:34,566 INFO L93 Difference]: Finished difference Result 4886 states and 8570 transitions. [2023-03-31 01:06:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-31 01:06:34,567 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.4) internal successors, (96), 9 states have internal predecessors, (96), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) Word has length 173 [2023-03-31 01:06:34,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:34,608 INFO L225 Difference]: With dead ends: 4886 [2023-03-31 01:06:34,608 INFO L226 Difference]: Without dead ends: 3838 [2023-03-31 01:06:34,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=488, Invalid=1768, Unknown=0, NotChecked=0, Total=2256 [2023-03-31 01:06:34,614 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2393 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 8342 mSolverCounterSat, 1099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 9441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1099 IncrementalHoareTripleChecker+Valid, 8342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:06:34,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2396 Valid, 81 Invalid, 9441 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1099 Valid, 8342 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-03-31 01:06:34,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2023-03-31 01:06:35,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 1117. [2023-03-31 01:06:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 823 states have (on average 1.5479951397326852) internal successors, (1274), 829 states have internal predecessors, (1274), 221 states have call successors, (221), 75 states have call predecessors, (221), 72 states have return successors, (218), 215 states have call predecessors, (218), 216 states have call successors, (218) [2023-03-31 01:06:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1713 transitions. [2023-03-31 01:06:35,264 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1713 transitions. Word has length 173 [2023-03-31 01:06:35,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:35,264 INFO L495 AbstractCegarLoop]: Abstraction has 1117 states and 1713 transitions. [2023-03-31 01:06:35,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.4) internal successors, (96), 9 states have internal predecessors, (96), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28) [2023-03-31 01:06:35,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1713 transitions. [2023-03-31 01:06:35,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-03-31 01:06:35,268 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:35,268 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:06:35,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-03-31 01:06:35,268 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:35,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:35,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1614740009, now seen corresponding path program 2 times [2023-03-31 01:06:35,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:35,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252923956] [2023-03-31 01:06:35,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:06:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:06:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:06:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:06:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 01:06:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:06:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:06:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:06:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:06:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 01:06:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:06:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:36,137 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:06:36,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:36,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252923956] [2023-03-31 01:06:36,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252923956] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:36,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:06:36,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:06:36,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931626509] [2023-03-31 01:06:36,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:36,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:06:36,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:36,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:06:36,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:06:36,139 INFO L87 Difference]: Start difference. First operand 1117 states and 1713 transitions. Second operand has 19 states, 16 states have (on average 6.25) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-03-31 01:06:49,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:06:49,752 INFO L93 Difference]: Finished difference Result 4888 states and 8575 transitions. [2023-03-31 01:06:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 01:06:49,752 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.25) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 174 [2023-03-31 01:06:49,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:06:49,768 INFO L225 Difference]: With dead ends: 4888 [2023-03-31 01:06:49,768 INFO L226 Difference]: Without dead ends: 3851 [2023-03-31 01:06:49,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=518, Invalid=2032, Unknown=0, NotChecked=0, Total=2550 [2023-03-31 01:06:49,772 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2770 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9293 mSolverCounterSat, 1290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2773 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 10583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1290 IncrementalHoareTripleChecker+Valid, 9293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:06:49,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2773 Valid, 88 Invalid, 10583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1290 Valid, 9293 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-03-31 01:06:49,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2023-03-31 01:06:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 1122. [2023-03-31 01:06:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 825 states have (on average 1.5466666666666666) internal successors, (1276), 832 states have internal predecessors, (1276), 222 states have call successors, (222), 75 states have call predecessors, (222), 74 states have return successors, (221), 217 states have call predecessors, (221), 217 states have call successors, (221) [2023-03-31 01:06:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1719 transitions. [2023-03-31 01:06:50,479 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1719 transitions. Word has length 174 [2023-03-31 01:06:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:06:50,479 INFO L495 AbstractCegarLoop]: Abstraction has 1122 states and 1719 transitions. [2023-03-31 01:06:50,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.25) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2023-03-31 01:06:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1719 transitions. [2023-03-31 01:06:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-03-31 01:06:50,483 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:06:50,483 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] [2023-03-31 01:06:50,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-03-31 01:06:50,483 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:06:50,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:06:50,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1746198204, now seen corresponding path program 3 times [2023-03-31 01:06:50,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:06:50,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694098575] [2023-03-31 01:06:50,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:06:50,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:06:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:06:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:06:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:06:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:06:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:06:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:06:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:06:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:06:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:06:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:06:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-03-31 01:06:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:06:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:06:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 01:06:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:06:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:06:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 01:06:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:06:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 01:06:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:06:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-31 01:06:51,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:06:51,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694098575] [2023-03-31 01:06:51,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694098575] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:06:51,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:06:51,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:06:51,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563997061] [2023-03-31 01:06:51,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:06:51,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:06:51,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:06:51,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:06:51,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:06:51,313 INFO L87 Difference]: Start difference. First operand 1122 states and 1719 transitions. Second operand has 18 states, 15 states have (on average 6.466666666666667) internal successors, (97), 9 states have internal predecessors, (97), 7 states have call successors, (38), 11 states have call predecessors, (38), 5 states have return successors, (28), 4 states have call predecessors, (28), 7 states have call successors, (28)