/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_spec3_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:00:58,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:00:58,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:00:58,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:00:58,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:00:58,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:00:58,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:00:58,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:00:58,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:00:58,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:00:58,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:00:58,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:00:58,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:00:58,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:00:58,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:00:58,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:00:58,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:00:58,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:00:58,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:00:58,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:00:58,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:00:58,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:00:58,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:00:58,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:00:58,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:00:58,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:00:58,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:00:58,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:00:58,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:00:58,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:00:58,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:00:58,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:00:58,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:00:58,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:00:58,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:00:58,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:00:58,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:00:58,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:00:58,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:00:58,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:00:58,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:00:58,729 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 01:00:58,743 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:00:58,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:00:58,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:00:58,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:00:58,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:00:58,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:00:58,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:00:58,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:00:58,745 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:00:58,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:00:58,745 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:00:58,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:00:58,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:00:58,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:00:58,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:00:58,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:00:58,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:00:58,746 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:00:58,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:00:58,747 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:00:58,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:00:58,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:00:58,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:00:58,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:00:58,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:00:58,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:00:58,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:00:58,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:00:58,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:00:58,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:00:58,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:00:58,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:00:58,748 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:00:58,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:00:58,748 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:00:58,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:00:58,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:00:58,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:00:58,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:00:58,991 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:00:58,993 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:00:58,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product25.cil.c [2023-03-31 01:01:00,097 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:01:00,338 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:01:00,339 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product25.cil.c [2023-03-31 01:01:00,356 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ce4394b/ec24098cee8c44bfa977eb0a772c9693/FLAGc980f1bd0 [2023-03-31 01:01:00,367 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ce4394b/ec24098cee8c44bfa977eb0a772c9693 [2023-03-31 01:01:00,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:01:00,370 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:01:00,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:01:00,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:01:00,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:01:00,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:00,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b84c581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00, skipping insertion in model container [2023-03-31 01:01:00,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:00,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:01:00,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:01:00,867 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_spec3_product25.cil.c[64426,64439] [2023-03-31 01:01:00,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:01:00,889 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:01:00,972 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_spec3_product25.cil.c[64426,64439] [2023-03-31 01:01:00,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:01:00,992 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 01:01:00,997 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:01:00,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00 WrapperNode [2023-03-31 01:01:00,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:01:00,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:01:00,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:01:00,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:01:01,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:01,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:01,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:01,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:01,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:01,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:01,099 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:01,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:01,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:01:01,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:01:01,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:01:01,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:01:01,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (1/1) ... [2023-03-31 01:01:01,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:01:01,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:01:01,182 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 01:01:01,184 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 01:01:01,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:01:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:01:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:01:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:01:01,233 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 01:01:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:01:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 01:01:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 01:01:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 01:01:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 01:01:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 01:01:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 01:01:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 01:01:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 01:01:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 01:01:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 01:01:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 01:01:01,238 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 01:01:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 01:01:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 01:01:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 01:01:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 01:01:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 01:01:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:01:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:01:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 01:01:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 01:01:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 01:01:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 01:01:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 01:01:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 01:01:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 01:01:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 01:01:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 01:01:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 01:01:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 01:01:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2023-03-31 01:01:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2023-03-31 01:01:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-03-31 01:01:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-03-31 01:01:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 01:01:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 01:01:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 01:01:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 01:01:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 01:01:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 01:01:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 01:01:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 01:01:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 01:01:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 01:01:01,243 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 01:01:01,244 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 01:01:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 01:01:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 01:01:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 01:01:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 01:01:01,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:01:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:01:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:01:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:01:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:01:01,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:01:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 01:01:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 01:01:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 01:01:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 01:01:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 01:01:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 01:01:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 01:01:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 01:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 01:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 01:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 01:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 01:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 01:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 01:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 01:01:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:01:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 01:01:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 01:01:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 01:01:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 01:01:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:01:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:01:01,564 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:01:01,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:01:02,590 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:01:02,607 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:01:02,607 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 01:01:02,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:01:02 BoogieIcfgContainer [2023-03-31 01:01:02,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:01:02,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:01:02,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:01:02,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:01:02,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:01:00" (1/3) ... [2023-03-31 01:01:02,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144be744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:01:02, skipping insertion in model container [2023-03-31 01:01:02,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:01:00" (2/3) ... [2023-03-31 01:01:02,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144be744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:01:02, skipping insertion in model container [2023-03-31 01:01:02,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:01:02" (3/3) ... [2023-03-31 01:01:02,628 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product25.cil.c [2023-03-31 01:01:02,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:01:02,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:01:02,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:01:02,713 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;@30e1d533, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:01:02,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:01:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 599 states, 390 states have (on average 1.4487179487179487) internal successors, (565), 399 states have internal predecessors, (565), 123 states have call successors, (123), 80 states have call predecessors, (123), 80 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2023-03-31 01:01:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-03-31 01:01:02,745 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:02,746 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:01:02,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:02,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:02,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1772969809, now seen corresponding path program 1 times [2023-03-31 01:01:02,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:02,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790670345] [2023-03-31 01:01:02,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:02,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:01:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:01:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:01:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:01:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:01:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:01:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:01:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 01:01:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:01:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 01:01:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,964 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 01:01:03,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:03,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790670345] [2023-03-31 01:01:03,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790670345] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:03,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:01:03,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:01:03,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139986888] [2023-03-31 01:01:03,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:03,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:01:03,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:04,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:01:04,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:01:04,008 INFO L87 Difference]: Start difference. First operand has 599 states, 390 states have (on average 1.4487179487179487) internal successors, (565), 399 states have internal predecessors, (565), 123 states have call successors, (123), 80 states have call predecessors, (123), 80 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:01:14,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:14,028 INFO L93 Difference]: Finished difference Result 1382 states and 2103 transitions. [2023-03-31 01:01:14,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-03-31 01:01:14,030 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 179 [2023-03-31 01:01:14,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:14,047 INFO L225 Difference]: With dead ends: 1382 [2023-03-31 01:01:14,047 INFO L226 Difference]: Without dead ends: 928 [2023-03-31 01:01:14,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=646, Invalid=2006, Unknown=0, NotChecked=0, Total=2652 [2023-03-31 01:01:14,055 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2785 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 2406 mSolverCounterSat, 1302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2828 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1302 IncrementalHoareTripleChecker+Valid, 2406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:01:14,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2828 Valid, 112 Invalid, 3708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1302 Valid, 2406 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-03-31 01:01:14,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2023-03-31 01:01:14,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 570. [2023-03-31 01:01:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 375 states have (on average 1.4506666666666668) internal successors, (544), 381 states have internal predecessors, (544), 118 states have call successors, (118), 80 states have call predecessors, (118), 76 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2023-03-31 01:01:14,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 774 transitions. [2023-03-31 01:01:14,392 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 774 transitions. Word has length 179 [2023-03-31 01:01:14,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:14,393 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 774 transitions. [2023-03-31 01:01:14,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:01:14,393 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 774 transitions. [2023-03-31 01:01:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-03-31 01:01:14,396 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:14,397 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:01:14,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:01:14,397 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:14,397 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:14,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2114750290, now seen corresponding path program 1 times [2023-03-31 01:01:14,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:14,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069076497] [2023-03-31 01:01:14,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:14,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:01:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:01:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:01:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:01:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:01:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:01:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:01:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 01:01:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:01:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 01:01:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:15,592 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 01:01:15,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:15,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069076497] [2023-03-31 01:01:15,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069076497] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:01:15,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388144664] [2023-03-31 01:01:15,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:15,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:01:15,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:01:15,605 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 01:01:15,631 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 01:01:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:16,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 2464 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 01:01:16,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:01:16,099 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 01:01:16,100 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:01:16,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388144664] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:16,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:01:16,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 01:01:16,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124099188] [2023-03-31 01:01:16,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:16,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:01:16,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:16,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:01:16,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:01:16,103 INFO L87 Difference]: Start difference. First operand 570 states and 774 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:01:16,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:16,391 INFO L93 Difference]: Finished difference Result 867 states and 1156 transitions. [2023-03-31 01:01:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:01:16,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 180 [2023-03-31 01:01:16,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:16,395 INFO L225 Difference]: With dead ends: 867 [2023-03-31 01:01:16,395 INFO L226 Difference]: Without dead ends: 573 [2023-03-31 01:01:16,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:01:16,397 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 1 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1542 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 01:01:16,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1542 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:01:16,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2023-03-31 01:01:16,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 572. [2023-03-31 01:01:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 377 states have (on average 1.4482758620689655) internal successors, (546), 383 states have internal predecessors, (546), 118 states have call successors, (118), 80 states have call predecessors, (118), 76 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2023-03-31 01:01:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 776 transitions. [2023-03-31 01:01:16,654 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 776 transitions. Word has length 180 [2023-03-31 01:01:16,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:16,654 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 776 transitions. [2023-03-31 01:01:16,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:01:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 776 transitions. [2023-03-31 01:01:16,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-03-31 01:01:16,657 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:16,657 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:01:16,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 01:01:16,867 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 01:01:16,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:16,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:16,868 INFO L85 PathProgramCache]: Analyzing trace with hash 2003835546, now seen corresponding path program 1 times [2023-03-31 01:01:16,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:16,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881878461] [2023-03-31 01:01:16,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:16,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:01:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:01:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:01:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:01:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:01:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:01:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 01:01:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 01:01:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 01:01:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 01:01:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:17,864 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 01:01:17,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:17,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881878461] [2023-03-31 01:01:17,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881878461] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:01:17,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207716729] [2023-03-31 01:01:17,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:17,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:01:17,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:01:17,869 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 01:01:17,898 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 01:01:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:18,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 2476 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:01:18,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:01:18,354 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 01:01:18,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:01:18,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207716729] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:18,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:01:18,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 01:01:18,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665809460] [2023-03-31 01:01:18,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:18,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:01:18,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:18,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:01:18,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:01:18,357 INFO L87 Difference]: Start difference. First operand 572 states and 776 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:01:18,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:18,670 INFO L93 Difference]: Finished difference Result 1122 states and 1553 transitions. [2023-03-31 01:01:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:01:18,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 186 [2023-03-31 01:01:18,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:18,673 INFO L225 Difference]: With dead ends: 1122 [2023-03-31 01:01:18,673 INFO L226 Difference]: Without dead ends: 615 [2023-03-31 01:01:18,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:01:18,676 INFO L413 NwaCegarLoop]: 773 mSDtfsCounter, 53 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1540 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 01:01:18,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1540 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:01:18,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2023-03-31 01:01:18,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 614. [2023-03-31 01:01:18,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 410 states have (on average 1.4634146341463414) internal successors, (600), 416 states have internal predecessors, (600), 127 states have call successors, (127), 80 states have call predecessors, (127), 76 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2023-03-31 01:01:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 848 transitions. [2023-03-31 01:01:18,950 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 848 transitions. Word has length 186 [2023-03-31 01:01:18,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:18,950 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 848 transitions. [2023-03-31 01:01:18,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:01:18,950 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 848 transitions. [2023-03-31 01:01:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-03-31 01:01:18,953 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:18,954 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:01:18,969 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 01:01:19,161 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 01:01:19,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:19,162 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:19,163 INFO L85 PathProgramCache]: Analyzing trace with hash -698135271, now seen corresponding path program 1 times [2023-03-31 01:01:19,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:19,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505753720] [2023-03-31 01:01:19,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:19,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:01:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 01:01:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 01:01:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 01:01:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:01:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:01:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 01:01:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 01:01:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 01:01:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 01:01:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,125 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 01:01:20,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:20,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505753720] [2023-03-31 01:01:20,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505753720] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:01:20,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982771821] [2023-03-31 01:01:20,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:20,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:01:20,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:01:20,127 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 01:01:20,129 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 01:01:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:20,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 2481 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:01:20,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:01:20,736 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 01:01:20,737 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:01:20,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982771821] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:20,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:01:20,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-03-31 01:01:20,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370966757] [2023-03-31 01:01:20,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:20,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:01:20,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:20,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:01:20,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:01:20,740 INFO L87 Difference]: Start difference. First operand 614 states and 848 transitions. Second operand has 9 states, 7 states have (on average 15.857142857142858) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:01:21,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:21,788 INFO L93 Difference]: Finished difference Result 1206 states and 1676 transitions. [2023-03-31 01:01:21,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:01:21,789 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.857142857142858) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 187 [2023-03-31 01:01:21,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:21,792 INFO L225 Difference]: With dead ends: 1206 [2023-03-31 01:01:21,792 INFO L226 Difference]: Without dead ends: 628 [2023-03-31 01:01:21,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-03-31 01:01:21,794 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 729 mSDsluCounter, 3401 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 4180 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:01:21,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 4180 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:01:21,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-03-31 01:01:22,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2023-03-31 01:01:22,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 421 states have (on average 1.4655581947743468) internal successors, (617), 428 states have internal predecessors, (617), 127 states have call successors, (127), 82 states have call predecessors, (127), 79 states have return successors, (122), 120 states have call predecessors, (122), 121 states have call successors, (122) [2023-03-31 01:01:22,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 866 transitions. [2023-03-31 01:01:22,087 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 866 transitions. Word has length 187 [2023-03-31 01:01:22,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:22,087 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 866 transitions. [2023-03-31 01:01:22,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.857142857142858) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:01:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 866 transitions. [2023-03-31 01:01:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-03-31 01:01:22,090 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:22,090 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:01:22,101 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 01:01:22,298 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 01:01:22,299 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:22,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:22,300 INFO L85 PathProgramCache]: Analyzing trace with hash -296934401, now seen corresponding path program 1 times [2023-03-31 01:01:22,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:22,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523639255] [2023-03-31 01:01:22,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:22,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:01:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:01:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:01:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 01:01:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:01:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:01:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:01:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 01:01:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 01:01:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 01:01:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-03-31 01:01:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,346 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 01:01:23,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:23,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523639255] [2023-03-31 01:01:23,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523639255] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:01:23,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655816470] [2023-03-31 01:01:23,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:23,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:01:23,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:01:23,348 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 01:01:23,350 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 01:01:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:23,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 2482 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:01:23,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:01:23,879 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 01:01:23,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:01:23,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655816470] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:23,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:01:23,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-03-31 01:01:23,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332718071] [2023-03-31 01:01:23,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:23,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:01:23,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:01:23,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:01:23,881 INFO L87 Difference]: Start difference. First operand 628 states and 866 transitions. Second operand has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 7 states have internal predecessors, (112), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-03-31 01:01:24,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:24,683 INFO L93 Difference]: Finished difference Result 1207 states and 1680 transitions. [2023-03-31 01:01:24,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:01:24,684 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 7 states have internal predecessors, (112), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 188 [2023-03-31 01:01:24,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:24,687 INFO L225 Difference]: With dead ends: 1207 [2023-03-31 01:01:24,687 INFO L226 Difference]: Without dead ends: 630 [2023-03-31 01:01:24,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-03-31 01:01:24,689 INFO L413 NwaCegarLoop]: 778 mSDtfsCounter, 731 mSDsluCounter, 2133 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 2911 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:01:24,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 2911 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:01:24,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2023-03-31 01:01:24,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2023-03-31 01:01:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 422 states have (on average 1.4644549763033174) internal successors, (618), 430 states have internal predecessors, (618), 127 states have call successors, (127), 82 states have call predecessors, (127), 80 states have return successors, (124), 120 states have call predecessors, (124), 121 states have call successors, (124) [2023-03-31 01:01:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 869 transitions. [2023-03-31 01:01:24,951 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 869 transitions. Word has length 188 [2023-03-31 01:01:24,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:24,951 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 869 transitions. [2023-03-31 01:01:24,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.666666666666668) internal successors, (112), 7 states have internal predecessors, (112), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-03-31 01:01:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 869 transitions. [2023-03-31 01:01:24,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-03-31 01:01:24,954 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:24,954 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:01:24,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-03-31 01:01:25,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:01:25,163 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:25,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:25,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1136587419, now seen corresponding path program 1 times [2023-03-31 01:01:25,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:25,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654658173] [2023-03-31 01:01:25,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:25,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:01:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:01:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 01:01:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:01:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:01:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:01:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:01:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:01:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 01:01:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 01:01:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-03-31 01:01:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:26,051 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 01:01:26,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:26,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654658173] [2023-03-31 01:01:26,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654658173] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:26,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:01:26,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:01:26,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269302668] [2023-03-31 01:01:26,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:26,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:01:26,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:26,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:01:26,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:01:26,053 INFO L87 Difference]: Start difference. First operand 630 states and 869 transitions. Second operand has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:01:38,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:38,884 INFO L93 Difference]: Finished difference Result 1663 states and 2475 transitions. [2023-03-31 01:01:38,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-03-31 01:01:38,885 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 189 [2023-03-31 01:01:38,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:38,889 INFO L225 Difference]: With dead ends: 1663 [2023-03-31 01:01:38,889 INFO L226 Difference]: Without dead ends: 1092 [2023-03-31 01:01:38,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=647, Invalid=2433, Unknown=0, NotChecked=0, Total=3080 [2023-03-31 01:01:38,893 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5287 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8503 mSolverCounterSat, 2510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5290 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 11013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2510 IncrementalHoareTripleChecker+Valid, 8503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:01:38,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5290 Valid, 79 Invalid, 11013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2510 Valid, 8503 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-03-31 01:01:38,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2023-03-31 01:01:39,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 640. [2023-03-31 01:01:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 431 states have (on average 1.4617169373549883) internal successors, (630), 438 states have internal predecessors, (630), 127 states have call successors, (127), 84 states have call predecessors, (127), 81 states have return successors, (123), 120 states have call predecessors, (123), 121 states have call successors, (123) [2023-03-31 01:01:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 880 transitions. [2023-03-31 01:01:39,183 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 880 transitions. Word has length 189 [2023-03-31 01:01:39,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:39,183 INFO L495 AbstractCegarLoop]: Abstraction has 640 states and 880 transitions. [2023-03-31 01:01:39,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:01:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 880 transitions. [2023-03-31 01:01:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-03-31 01:01:39,185 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:39,186 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:01:39,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:01:39,186 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:39,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:39,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1520718153, now seen corresponding path program 2 times [2023-03-31 01:01:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:39,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911601500] [2023-03-31 01:01:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:01:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:01:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:39,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:01:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 01:01:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 01:01:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 01:01:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:01:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:01:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 01:01:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 01:01:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 01:01:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-03-31 01:01:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:40,083 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 01:01:40,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:40,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911601500] [2023-03-31 01:01:40,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911601500] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:40,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:01:40,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-31 01:01:40,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122001242] [2023-03-31 01:01:40,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:40,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 01:01:40,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:40,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 01:01:40,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:01:40,085 INFO L87 Difference]: Start difference. First operand 640 states and 880 transitions. Second operand has 20 states, 17 states have (on average 6.470588235294118) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-03-31 01:01:54,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:54,067 INFO L93 Difference]: Finished difference Result 1665 states and 2480 transitions. [2023-03-31 01:01:54,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-31 01:01:54,068 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.470588235294118) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 190 [2023-03-31 01:01:54,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:54,073 INFO L225 Difference]: With dead ends: 1665 [2023-03-31 01:01:54,073 INFO L226 Difference]: Without dead ends: 1105 [2023-03-31 01:01:54,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=678, Invalid=2744, Unknown=0, NotChecked=0, Total=3422 [2023-03-31 01:01:54,075 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2542 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9758 mSolverCounterSat, 1256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2545 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 11014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1256 IncrementalHoareTripleChecker+Valid, 9758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:01:54,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2545 Valid, 92 Invalid, 11014 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1256 Valid, 9758 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-03-31 01:01:54,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2023-03-31 01:01:54,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 645. [2023-03-31 01:01:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 433 states have (on average 1.4595842956120093) internal successors, (632), 441 states have internal predecessors, (632), 128 states have call successors, (128), 84 states have call predecessors, (128), 83 states have return successors, (126), 122 states have call predecessors, (126), 122 states have call successors, (126) [2023-03-31 01:01:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 886 transitions. [2023-03-31 01:01:54,406 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 886 transitions. Word has length 190 [2023-03-31 01:01:54,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:54,406 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 886 transitions. [2023-03-31 01:01:54,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.470588235294118) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-03-31 01:01:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 886 transitions. [2023-03-31 01:01:54,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-03-31 01:01:54,408 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:54,408 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:01:54,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 01:01:54,409 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:54,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:54,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1035353469, now seen corresponding path program 3 times [2023-03-31 01:01:54,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:54,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889585673] [2023-03-31 01:01:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:54,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:54,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:54,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:01:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:01:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:01:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 01:01:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:01:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 01:01:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:01:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 01:01:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 01:01:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:01:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 01:01:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 01:01:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:55,305 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 01:01:55,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:55,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889585673] [2023-03-31 01:01:55,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889585673] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:55,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:01:55,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:01:55,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584325465] [2023-03-31 01:01:55,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:55,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:01:55,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:01:55,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:01:55,306 INFO L87 Difference]: Start difference. First operand 645 states and 886 transitions. Second operand has 19 states, 16 states have (on average 6.6875) internal successors, (107), 9 states have internal predecessors, (107), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30)