/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_spec27_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:00:39,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:00:39,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:00:39,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:00:39,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:00:39,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:00:39,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:00:39,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:00:39,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:00:39,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:00:39,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:00:39,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:00:39,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:00:39,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:00:39,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:00:39,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:00:39,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:00:39,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:00:39,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:00:39,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:00:39,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:00:39,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:00:39,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:00:39,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:00:39,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:00:39,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:00:39,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:00:39,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:00:39,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:00:39,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:00:39,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:00:39,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:00:39,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:00:39,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:00:39,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:00:39,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:00:39,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:00:39,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:00:39,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:00:39,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:00:39,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:00:39,154 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 01:00:39,182 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:00:39,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:00:39,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:00:39,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:00:39,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:00:39,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:00:39,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:00:39,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:00:39,185 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:00:39,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:00:39,186 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:00:39,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:00:39,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:00:39,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:00:39,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:00:39,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:00:39,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:00:39,186 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:00:39,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:00:39,187 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:00:39,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:00:39,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:00:39,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:00:39,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:00:39,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:00:39,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:00:39,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:00:39,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:00:39,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:00:39,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:00:39,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:00:39,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:00:39,188 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:00:39,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:00:39,189 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:00:39,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:00:39,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:00:39,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:00:39,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:00:39,460 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:00:39,464 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:00:39,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product34.cil.c [2023-03-31 01:00:40,638 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:00:40,929 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:00:40,930 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product34.cil.c [2023-03-31 01:00:40,950 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5acb4fc/7f2ac37558d84eb983d90486ec37de3f/FLAG3f285cc37 [2023-03-31 01:00:40,962 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5acb4fc/7f2ac37558d84eb983d90486ec37de3f [2023-03-31 01:00:40,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:00:40,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:00:40,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:00:40,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:00:40,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:00:40,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:00:40" (1/1) ... [2023-03-31 01:00:40,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5fc318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:40, skipping insertion in model container [2023-03-31 01:00:40,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:00:40" (1/1) ... [2023-03-31 01:00:40,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:00:41,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:00:41,498 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_spec27_product34.cil.c[51595,51608] [2023-03-31 01:00:41,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:00:41,586 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:00:41,637 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_spec27_product34.cil.c[51595,51608] [2023-03-31 01:00:41,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:00:41,689 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 01:00:41,695 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:00:41,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41 WrapperNode [2023-03-31 01:00:41,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:00:41,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:00:41,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:00:41,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:00:41,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (1/1) ... [2023-03-31 01:00:41,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (1/1) ... [2023-03-31 01:00:41,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (1/1) ... [2023-03-31 01:00:41,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (1/1) ... [2023-03-31 01:00:41,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (1/1) ... [2023-03-31 01:00:41,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (1/1) ... [2023-03-31 01:00:41,863 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (1/1) ... [2023-03-31 01:00:41,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (1/1) ... [2023-03-31 01:00:41,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:00:41,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:00:41,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:00:41,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:00:41,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (1/1) ... [2023-03-31 01:00:41,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:00:41,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:00:41,919 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 01:00:41,941 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 01:00:41,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 01:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 01:00:41,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 01:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 01:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 01:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-03-31 01:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-03-31 01:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 01:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 01:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 01:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 01:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 01:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:00:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 01:00:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 01:00:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 01:00:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 01:00:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 01:00:41,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 01:00:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 01:00:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 01:00:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 01:00:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 01:00:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 01:00:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 01:00:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 01:00:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 01:00:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 01:00:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 01:00:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 01:00:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 01:00:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 01:00:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 01:00:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 01:00:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 01:00:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:00:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 01:00:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-03-31 01:00:41,971 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 01:00:41,971 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 01:00:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 01:00:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 01:00:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 01:00:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 01:00:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 01:00:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 01:00:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 01:00:41,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 01:00:41,973 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 01:00:41,973 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 01:00:41,973 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 01:00:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 01:00:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:00:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:00:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:00:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:00:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:00:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:00:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:00:41,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 01:00:41,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 01:00:41,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 01:00:41,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 01:00:41,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 01:00:41,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 01:00:41,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 01:00:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 01:00:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:00:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:00:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 01:00:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 01:00:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 01:00:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 01:00:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 01:00:41,976 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 01:00:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 01:00:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 01:00:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 01:00:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 01:00:41,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 01:00:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:00:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:00:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:00:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:00:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:00:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 01:00:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 01:00:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 01:00:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 01:00:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 01:00:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 01:00:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 01:00:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 01:00:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 01:00:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 01:00:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 01:00:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 01:00:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 01:00:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 01:00:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:00:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:00:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:00:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:00:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 01:00:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 01:00:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 01:00:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:00:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 01:00:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:00:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:00:42,376 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:00:42,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:00:43,444 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:00:43,465 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:00:43,465 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 01:00:43,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:00:43 BoogieIcfgContainer [2023-03-31 01:00:43,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:00:43,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:00:43,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:00:43,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:00:43,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:00:40" (1/3) ... [2023-03-31 01:00:43,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c398dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:00:43, skipping insertion in model container [2023-03-31 01:00:43,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:00:41" (2/3) ... [2023-03-31 01:00:43,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c398dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:00:43, skipping insertion in model container [2023-03-31 01:00:43,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:00:43" (3/3) ... [2023-03-31 01:00:43,479 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product34.cil.c [2023-03-31 01:00:43,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:00:43,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:00:43,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:00:43,577 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;@599bdada, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:00:43,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:00:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 653 states, 424 states have (on average 1.4410377358490567) internal successors, (611), 434 states have internal predecessors, (611), 136 states have call successors, (136), 87 states have call predecessors, (136), 87 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) [2023-03-31 01:00:43,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-03-31 01:00:43,616 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:00:43,617 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:43,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:00:43,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:00:43,622 INFO L85 PathProgramCache]: Analyzing trace with hash 904618242, now seen corresponding path program 1 times [2023-03-31 01:00:43,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:00:43,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966041671] [2023-03-31 01:00:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:43,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:00:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:00:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:00:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:00:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:00:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:00:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:00:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:00:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:00:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:00:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:00:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:00:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:00:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:00:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:00:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 01:00:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 01:00:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:00:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 01:00:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:00:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-03-31 01:00:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-03-31 01:00:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-03-31 01:00:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:00:45,147 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-03-31 01:00:45,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:00:45,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966041671] [2023-03-31 01:00:45,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966041671] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:00:45,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:00:45,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:00:45,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483592638] [2023-03-31 01:00:45,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:00:45,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:00:45,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:00:45,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:00:45,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:00:45,202 INFO L87 Difference]: Start difference. First operand has 653 states, 424 states have (on average 1.4410377358490567) internal successors, (611), 434 states have internal predecessors, (611), 136 states have call successors, (136), 87 states have call predecessors, (136), 87 states have return successors, (136), 135 states have call predecessors, (136), 136 states have call successors, (136) Second operand has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 2 states have internal predecessors, (109), 2 states have call successors, (51), 12 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:00:58,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:00:58,930 INFO L93 Difference]: Finished difference Result 1828 states and 3081 transitions. [2023-03-31 01:00:58,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-03-31 01:00:58,933 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 2 states have internal predecessors, (109), 2 states have call successors, (51), 12 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 220 [2023-03-31 01:00:58,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:00:58,957 INFO L225 Difference]: With dead ends: 1828 [2023-03-31 01:00:58,957 INFO L226 Difference]: Without dead ends: 1172 [2023-03-31 01:00:58,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2457 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2023-03-31 01:00:58,973 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3753 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 2383 mSolverCounterSat, 2180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3817 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 4563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2180 IncrementalHoareTripleChecker+Valid, 2383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:00:58,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3817 Valid, 103 Invalid, 4563 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2180 Valid, 2383 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2023-03-31 01:00:58,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2023-03-31 01:00:59,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 624. [2023-03-31 01:00:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 409 states have (on average 1.4425427872860637) internal successors, (590), 416 states have internal predecessors, (590), 131 states have call successors, (131), 87 states have call predecessors, (131), 83 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2023-03-31 01:00:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 847 transitions. [2023-03-31 01:00:59,413 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 847 transitions. Word has length 220 [2023-03-31 01:00:59,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:00:59,413 INFO L495 AbstractCegarLoop]: Abstraction has 624 states and 847 transitions. [2023-03-31 01:00:59,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 2 states have internal predecessors, (109), 2 states have call successors, (51), 12 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:00:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 847 transitions. [2023-03-31 01:00:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-03-31 01:00:59,419 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:00:59,420 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:00:59,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:00:59,420 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:00:59,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:00:59,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1568444009, now seen corresponding path program 1 times [2023-03-31 01:00:59,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:00:59,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701963907] [2023-03-31 01:00:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:00:59,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:00:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:01:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:01:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:01:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:01:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:01:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:01:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:01:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:01:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:01:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:01:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 01:01:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-03-31 01:01:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-03-31 01:01:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-03-31 01:01:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-03-31 01:01:00,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:00,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701963907] [2023-03-31 01:01:00,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701963907] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:01:00,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854674268] [2023-03-31 01:01:00,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:00,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:01:00,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:01:00,749 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 01:01:00,753 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 01:01:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:01,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 2801 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 01:01:01,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:01:01,335 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-03-31 01:01:01,335 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:01:01,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854674268] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:01,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:01:01,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 01:01:01,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263641955] [2023-03-31 01:01:01,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:01,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:01:01,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:01,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:01:01,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:01:01,339 INFO L87 Difference]: Start difference. First operand 624 states and 847 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:01:01,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:01,823 INFO L93 Difference]: Finished difference Result 975 states and 1302 transitions. [2023-03-31 01:01:01,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:01:01,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 221 [2023-03-31 01:01:01,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:01,829 INFO L225 Difference]: With dead ends: 975 [2023-03-31 01:01:01,829 INFO L226 Difference]: Without dead ends: 627 [2023-03-31 01:01:01,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:01:01,833 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 1 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1688 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 01:01:01,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1688 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:01:01,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2023-03-31 01:01:02,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 626. [2023-03-31 01:01:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 411 states have (on average 1.440389294403893) internal successors, (592), 418 states have internal predecessors, (592), 131 states have call successors, (131), 87 states have call predecessors, (131), 83 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2023-03-31 01:01:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 849 transitions. [2023-03-31 01:01:02,205 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 849 transitions. Word has length 221 [2023-03-31 01:01:02,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:02,207 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 849 transitions. [2023-03-31 01:01:02,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:01:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 849 transitions. [2023-03-31 01:01:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-03-31 01:01:02,212 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:02,212 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:02,226 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 01:01:02,423 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 01:01:02,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:02,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:02,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1970037187, now seen corresponding path program 1 times [2023-03-31 01:01:02,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:02,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235392316] [2023-03-31 01:01:02,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:02,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:01:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:01:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:01:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:01:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:01:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:01:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:01:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 01:01:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:01:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 01:01:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-03-31 01:01:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-03-31 01:01:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-03-31 01:01:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-03-31 01:01:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-03-31 01:01:03,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:03,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235392316] [2023-03-31 01:01:03,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235392316] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:01:03,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807014862] [2023-03-31 01:01:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:03,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:01:03,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:01:03,668 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 01:01:03,671 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 01:01:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:04,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 2813 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:01:04,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:01:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-03-31 01:01:04,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:01:04,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807014862] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:04,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:01:04,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-03-31 01:01:04,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062133446] [2023-03-31 01:01:04,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:04,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:01:04,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:04,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:01:04,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:01:04,290 INFO L87 Difference]: Start difference. First operand 626 states and 849 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:01:04,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:04,785 INFO L93 Difference]: Finished difference Result 1230 states and 1699 transitions. [2023-03-31 01:01:04,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:01:04,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 227 [2023-03-31 01:01:04,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:04,791 INFO L225 Difference]: With dead ends: 1230 [2023-03-31 01:01:04,792 INFO L226 Difference]: Without dead ends: 669 [2023-03-31 01:01:04,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-03-31 01:01:04,796 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 53 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1696 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 01:01:04,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1696 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:01:04,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2023-03-31 01:01:05,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 668. [2023-03-31 01:01:05,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 444 states have (on average 1.454954954954955) internal successors, (646), 451 states have internal predecessors, (646), 140 states have call successors, (140), 87 states have call predecessors, (140), 83 states have return successors, (135), 134 states have call predecessors, (135), 135 states have call successors, (135) [2023-03-31 01:01:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 921 transitions. [2023-03-31 01:01:05,207 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 921 transitions. Word has length 227 [2023-03-31 01:01:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:05,207 INFO L495 AbstractCegarLoop]: Abstraction has 668 states and 921 transitions. [2023-03-31 01:01:05,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 01:01:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 921 transitions. [2023-03-31 01:01:05,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-03-31 01:01:05,211 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:05,212 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:05,221 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 01:01:05,421 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 01:01:05,422 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:05,422 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:05,422 INFO L85 PathProgramCache]: Analyzing trace with hash 53814580, now seen corresponding path program 1 times [2023-03-31 01:01:05,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:05,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794199240] [2023-03-31 01:01:05,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:05,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:01:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 01:01:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 01:01:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 01:01:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:01:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:01:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 01:01:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:01:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:01:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 01:01:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-03-31 01:01:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-03-31 01:01:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-03-31 01:01:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-03-31 01:01:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-03-31 01:01:06,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:06,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794199240] [2023-03-31 01:01:06,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794199240] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:01:06,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016484305] [2023-03-31 01:01:06,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:06,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:01:06,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:01:06,613 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 01:01:06,680 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 01:01:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:07,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:01:07,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:01:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-03-31 01:01:07,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:01:07,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016484305] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:07,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:01:07,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-03-31 01:01:07,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800258817] [2023-03-31 01:01:07,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:07,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:01:07,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:07,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:01:07,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:01:07,543 INFO L87 Difference]: Start difference. First operand 668 states and 921 transitions. Second operand has 9 states, 7 states have (on average 18.285714285714285) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 01:01:08,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:08,977 INFO L93 Difference]: Finished difference Result 1314 states and 1822 transitions. [2023-03-31 01:01:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:01:08,978 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 18.285714285714285) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) Word has length 228 [2023-03-31 01:01:08,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:08,982 INFO L225 Difference]: With dead ends: 1314 [2023-03-31 01:01:08,982 INFO L226 Difference]: Without dead ends: 682 [2023-03-31 01:01:08,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-03-31 01:01:08,987 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 802 mSDsluCounter, 3724 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 4576 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:01:08,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 4576 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-31 01:01:08,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2023-03-31 01:01:09,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2023-03-31 01:01:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 455 states have (on average 1.457142857142857) internal successors, (663), 463 states have internal predecessors, (663), 140 states have call successors, (140), 89 states have call predecessors, (140), 86 states have return successors, (136), 134 states have call predecessors, (136), 135 states have call successors, (136) [2023-03-31 01:01:09,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 939 transitions. [2023-03-31 01:01:09,421 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 939 transitions. Word has length 228 [2023-03-31 01:01:09,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:09,421 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 939 transitions. [2023-03-31 01:01:09,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 18.285714285714285) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (51), 3 states have call predecessors, (51), 6 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 01:01:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 939 transitions. [2023-03-31 01:01:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-03-31 01:01:09,426 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:09,426 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:09,436 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 01:01:09,636 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 01:01:09,637 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:09,637 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:09,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1309711559, now seen corresponding path program 1 times [2023-03-31 01:01:09,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:09,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309582675] [2023-03-31 01:01:09,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:09,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:01:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:01:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:01:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 01:01:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:01:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:01:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:01:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 01:01:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 01:01:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:01:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 01:01:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 01:01:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-03-31 01:01:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-03-31 01:01:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-03-31 01:01:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 01:01:10,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:10,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309582675] [2023-03-31 01:01:10,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309582675] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:01:10,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875782371] [2023-03-31 01:01:10,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:10,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:01:10,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:01:10,781 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 01:01:10,808 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 01:01:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:11,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 2819 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:01:11,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:01:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-03-31 01:01:11,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:01:11,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875782371] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:11,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:01:11,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-03-31 01:01:11,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823836663] [2023-03-31 01:01:11,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:11,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:01:11,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:11,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:01:11,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:01:11,513 INFO L87 Difference]: Start difference. First operand 682 states and 939 transitions. Second operand has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (51), 3 states have call predecessors, (51), 5 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) [2023-03-31 01:01:12,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:12,675 INFO L93 Difference]: Finished difference Result 1315 states and 1826 transitions. [2023-03-31 01:01:12,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:01:12,675 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (51), 3 states have call predecessors, (51), 5 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) Word has length 229 [2023-03-31 01:01:12,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:12,679 INFO L225 Difference]: With dead ends: 1315 [2023-03-31 01:01:12,679 INFO L226 Difference]: Without dead ends: 684 [2023-03-31 01:01:12,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-03-31 01:01:12,681 INFO L413 NwaCegarLoop]: 851 mSDtfsCounter, 798 mSDsluCounter, 2356 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 3207 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:01:12,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 3207 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:01:12,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2023-03-31 01:01:12,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2023-03-31 01:01:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 456 states have (on average 1.456140350877193) internal successors, (664), 465 states have internal predecessors, (664), 140 states have call successors, (140), 89 states have call predecessors, (140), 87 states have return successors, (138), 134 states have call predecessors, (138), 135 states have call successors, (138) [2023-03-31 01:01:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 942 transitions. [2023-03-31 01:01:12,991 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 942 transitions. Word has length 229 [2023-03-31 01:01:12,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:01:12,992 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 942 transitions. [2023-03-31 01:01:12,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (51), 3 states have call predecessors, (51), 5 states have return successors, (35), 5 states have call predecessors, (35), 4 states have call successors, (35) [2023-03-31 01:01:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 942 transitions. [2023-03-31 01:01:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-03-31 01:01:12,996 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:01:12,996 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:13,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 01:01:13,205 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 01:01:13,205 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:01:13,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:01:13,206 INFO L85 PathProgramCache]: Analyzing trace with hash 325812961, now seen corresponding path program 1 times [2023-03-31 01:01:13,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:01:13,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592101020] [2023-03-31 01:01:13,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:01:13,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:01:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:01:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:01:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:01:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:01:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:01:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:01:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:01:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:01:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 01:01:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:01:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:01:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:01:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:01:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:01:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 01:01:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 01:01:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:01:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 01:01:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 01:01:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:01:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-03-31 01:01:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-03-31 01:01:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-03-31 01:01:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:01:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-03-31 01:01:14,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:01:14,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592101020] [2023-03-31 01:01:14,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592101020] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:01:14,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:01:14,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:01:14,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061188128] [2023-03-31 01:01:14,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:01:14,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:01:14,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:01:14,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:01:14,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:01:14,332 INFO L87 Difference]: Start difference. First operand 684 states and 942 transitions. Second operand has 19 states, 16 states have (on average 7.6875) internal successors, (123), 9 states have internal predecessors, (123), 6 states have call successors, (51), 12 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) [2023-03-31 01:01:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:01:30,259 INFO L93 Difference]: Finished difference Result 1961 states and 2983 transitions. [2023-03-31 01:01:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-03-31 01:01:30,259 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.6875) internal successors, (123), 9 states have internal predecessors, (123), 6 states have call successors, (51), 12 states have call predecessors, (51), 5 states have return successors, (35), 4 states have call predecessors, (35), 6 states have call successors, (35) Word has length 230 [2023-03-31 01:01:30,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:01:30,267 INFO L225 Difference]: With dead ends: 1961 [2023-03-31 01:01:30,267 INFO L226 Difference]: Without dead ends: 1336 [2023-03-31 01:01:30,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2023-03-31 01:01:30,271 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4504 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 9155 mSolverCounterSat, 2587 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 11742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2587 IncrementalHoareTripleChecker+Valid, 9155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:01:30,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 81 Invalid, 11742 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2587 Valid, 9155 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2023-03-31 01:01:30,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states.