/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_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:34:20,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:34:20,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:34:20,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:34:20,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:34:20,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:34:20,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:34:20,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:34:20,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:34:20,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:34:20,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:34:20,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:34:20,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:34:20,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:34:20,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:34:20,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:34:20,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:34:20,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:34:20,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:34:20,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:34:20,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:34:20,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:34:20,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:34:20,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:34:20,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:34:20,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:34:20,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:34:20,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:34:20,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:34:20,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:34:20,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:34:20,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:34:20,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:34:20,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:34:20,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:34:20,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:34:20,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:34:20,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:34:20,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:34:20,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:34:20,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:34:20,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 03:34:21,007 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:34:21,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:34:21,008 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:34:21,008 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:34:21,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:34:21,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:34:21,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:34:21,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:34:21,010 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:34:21,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:34:21,011 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:34:21,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:34:21,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:34:21,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:34:21,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:34:21,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:34:21,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:34:21,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:34:21,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:34:21,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:34:21,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:34:21,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:34:21,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:34:21,013 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:34:21,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:34:21,013 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:34:21,013 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:34:21,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:34:21,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:34:21,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:34:21,221 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:34:21,221 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:34:21,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2023-04-02 03:34:22,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:34:22,428 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:34:22,429 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_productSimulator.cil.c [2023-04-02 03:34:22,443 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d3306eb/2c84e29c48f04ae9aea6fde67b2837a6/FLAG2a9899720 [2023-04-02 03:34:22,452 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d3306eb/2c84e29c48f04ae9aea6fde67b2837a6 [2023-04-02 03:34:22,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:34:22,455 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:34:22,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:34:22,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:34:22,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:34:22,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:34:22" (1/1) ... [2023-04-02 03:34:22,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3fcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:22, skipping insertion in model container [2023-04-02 03:34:22,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:34:22" (1/1) ... [2023-04-02 03:34:22,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:34:22,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:34:22,698 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_productSimulator.cil.c[11237,11250] [2023-04-02 03:34:22,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:34:22,967 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:34:22,996 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_productSimulator.cil.c[11237,11250] [2023-04-02 03:34:23,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:34:23,085 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:34:23,090 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:34:23,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23 WrapperNode [2023-04-02 03:34:23,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:34:23,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:34:23,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:34:23,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:34:23,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (1/1) ... [2023-04-02 03:34:23,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (1/1) ... [2023-04-02 03:34:23,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (1/1) ... [2023-04-02 03:34:23,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (1/1) ... [2023-04-02 03:34:23,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (1/1) ... [2023-04-02 03:34:23,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (1/1) ... [2023-04-02 03:34:23,182 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (1/1) ... [2023-04-02 03:34:23,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (1/1) ... [2023-04-02 03:34:23,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:34:23,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:34:23,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:34:23,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:34:23,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (1/1) ... [2023-04-02 03:34:23,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:34:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:34:23,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 03:34:23,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 03:34:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:34:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:34:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:34:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:34:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:34:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:34:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:34:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:34:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:34:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:34:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:34:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:34:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:34:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:34:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:34:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:34:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:34:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:34:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:34:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:34:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:34:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:34:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:34:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:34:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:34:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:34:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:34:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:34:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-04-02 03:34:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-04-02 03:34:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-04-02 03:34:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-04-02 03:34:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-04-02 03:34:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-04-02 03:34:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-04-02 03:34:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:34:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:34:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:34:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:34:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:34:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:34:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:34:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:34:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:34:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-02 03:34:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-02 03:34:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:34:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 03:34:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:34:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-04-02 03:34:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-04-02 03:34:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:34:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-04-02 03:34:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:34:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:34:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:34:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:34:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:34:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:34:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:34:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:34:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:34:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-02 03:34:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-02 03:34:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 03:34:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-04-02 03:34:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-04-02 03:34:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-04-02 03:34:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-04-02 03:34:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-04-02 03:34:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-04-02 03:34:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:34:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-04-02 03:34:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-04-02 03:34:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:34:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:34:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:34:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:34:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:34:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:34:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:34:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:34:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:34:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:34:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-02 03:34:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-04-02 03:34:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-04-02 03:34:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-04-02 03:34:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-04-02 03:34:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-04-02 03:34:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:34:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:34:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:34:23,553 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:34:23,555 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:34:24,526 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:34:24,547 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:34:24,547 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:34:24,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:34:24 BoogieIcfgContainer [2023-04-02 03:34:24,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:34:24,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:34:24,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:34:24,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:34:24,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:34:22" (1/3) ... [2023-04-02 03:34:24,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf843dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:34:24, skipping insertion in model container [2023-04-02 03:34:24,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:34:23" (2/3) ... [2023-04-02 03:34:24,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf843dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:34:24, skipping insertion in model container [2023-04-02 03:34:24,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:34:24" (3/3) ... [2023-04-02 03:34:24,557 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_productSimulator.cil.c [2023-04-02 03:34:24,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:34:24,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:34:24,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:34:24,636 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;@29f6d9dc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:34:24,636 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:34:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 816 states, 523 states have (on average 1.4435946462715106) internal successors, (755), 558 states have internal predecessors, (755), 180 states have call successors, (180), 107 states have call predecessors, (180), 107 states have return successors, (180), 166 states have call predecessors, (180), 180 states have call successors, (180) [2023-04-02 03:34:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-02 03:34:24,666 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:34:24,667 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:34:24,668 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:34:24,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:34:24,671 INFO L85 PathProgramCache]: Analyzing trace with hash -157743962, now seen corresponding path program 1 times [2023-04-02 03:34:24,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:34:24,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501601212] [2023-04-02 03:34:24,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:34:24,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:34:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:34:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:34:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:34:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:34:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:34:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:34:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:34:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:34:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:34:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 03:34:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:34:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:34:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:25,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:34:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:34:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:34:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:34:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:34:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:26,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:34:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:34:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 03:34:26,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:34:26,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501601212] [2023-04-02 03:34:26,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501601212] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:34:26,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:34:26,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 03:34:26,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717734636] [2023-04-02 03:34:26,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:34:26,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 03:34:26,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:34:26,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 03:34:26,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-04-02 03:34:26,071 INFO L87 Difference]: Start difference. First operand has 816 states, 523 states have (on average 1.4435946462715106) internal successors, (755), 558 states have internal predecessors, (755), 180 states have call successors, (180), 107 states have call predecessors, (180), 107 states have return successors, (180), 166 states have call predecessors, (180), 180 states have call successors, (180) Second operand has 15 states, 14 states have (on average 7.357142857142857) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (48), 11 states have call predecessors, (48), 2 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-02 03:34:40,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:34:40,115 INFO L93 Difference]: Finished difference Result 2043 states and 3041 transitions. [2023-04-02 03:34:40,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-04-02 03:34:40,118 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.357142857142857) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (48), 11 states have call predecessors, (48), 2 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 205 [2023-04-02 03:34:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:34:40,134 INFO L225 Difference]: With dead ends: 2043 [2023-04-02 03:34:40,134 INFO L226 Difference]: Without dead ends: 1223 [2023-04-02 03:34:40,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=366, Invalid=1040, Unknown=0, NotChecked=0, Total=1406 [2023-04-02 03:34:40,144 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 6294 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 7720 mSolverCounterSat, 3138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6354 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 10858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3138 IncrementalHoareTripleChecker+Valid, 7720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:34:40,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6354 Valid, 123 Invalid, 10858 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3138 Valid, 7720 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2023-04-02 03:34:40,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2023-04-02 03:34:40,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 787. [2023-04-02 03:34:40,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 508 states have (on average 1.4311023622047243) internal successors, (727), 540 states have internal predecessors, (727), 175 states have call successors, (175), 107 states have call predecessors, (175), 103 states have return successors, (170), 156 states have call predecessors, (170), 170 states have call successors, (170) [2023-04-02 03:34:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1072 transitions. [2023-04-02 03:34:40,537 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1072 transitions. Word has length 205 [2023-04-02 03:34:40,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:34:40,538 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1072 transitions. [2023-04-02 03:34:40,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.357142857142857) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (48), 11 states have call predecessors, (48), 2 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-04-02 03:34:40,538 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1072 transitions. [2023-04-02 03:34:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-02 03:34:40,547 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:34:40,547 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:34:40,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:34:40,547 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:34:40,548 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:34:40,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1884086299, now seen corresponding path program 1 times [2023-04-02 03:34:40,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:34:40,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483348468] [2023-04-02 03:34:40,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:34:40,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:34:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:34:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:34:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:34:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:34:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:34:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:34:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:34:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:34:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:34:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 03:34:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:34:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:34:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:34:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:34:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:34:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:34:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:34:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:34:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:34:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 03:34:41,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:34:41,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483348468] [2023-04-02 03:34:41,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483348468] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:34:41,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:34:41,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:34:41,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47571948] [2023-04-02 03:34:41,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:34:41,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:34:41,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:34:41,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:34:41,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:34:41,383 INFO L87 Difference]: Start difference. First operand 787 states and 1072 transitions. Second operand has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 4 states have internal predecessors, (109), 4 states have call successors, (48), 11 states have call predecessors, (48), 3 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-02 03:34:52,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:34:52,769 INFO L93 Difference]: Finished difference Result 1967 states and 2868 transitions. [2023-04-02 03:34:52,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-02 03:34:52,770 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 4 states have internal predecessors, (109), 4 states have call successors, (48), 11 states have call predecessors, (48), 3 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 211 [2023-04-02 03:34:52,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:34:52,775 INFO L225 Difference]: With dead ends: 1967 [2023-04-02 03:34:52,776 INFO L226 Difference]: Without dead ends: 1224 [2023-04-02 03:34:52,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=230, Invalid=582, Unknown=0, NotChecked=0, Total=812 [2023-04-02 03:34:52,780 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 5517 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 3540 mSolverCounterSat, 2880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5517 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 6420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2880 IncrementalHoareTripleChecker+Valid, 3540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:34:52,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5517 Valid, 34 Invalid, 6420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2880 Valid, 3540 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-04-02 03:34:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2023-04-02 03:34:53,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 788. [2023-04-02 03:34:53,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 510 states have (on average 1.423529411764706) internal successors, (726), 540 states have internal predecessors, (726), 173 states have call successors, (173), 108 states have call predecessors, (173), 104 states have return successors, (168), 156 states have call predecessors, (168), 168 states have call successors, (168) [2023-04-02 03:34:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1067 transitions. [2023-04-02 03:34:53,105 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1067 transitions. Word has length 211 [2023-04-02 03:34:53,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:34:53,106 INFO L495 AbstractCegarLoop]: Abstraction has 788 states and 1067 transitions. [2023-04-02 03:34:53,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.083333333333334) internal successors, (109), 4 states have internal predecessors, (109), 4 states have call successors, (48), 11 states have call predecessors, (48), 3 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2023-04-02 03:34:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1067 transitions. [2023-04-02 03:34:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-04-02 03:34:53,109 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:34:53,109 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:34:53,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 03:34:53,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:34:53,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:34:53,110 INFO L85 PathProgramCache]: Analyzing trace with hash 306828100, now seen corresponding path program 1 times [2023-04-02 03:34:53,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:34:53,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140540512] [2023-04-02 03:34:53,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:34:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:34:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:34:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:34:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:34:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:34:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:34:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:34:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:34:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:34:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:34:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 03:34:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:34:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:34:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:34:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:34:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:34:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:34:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:34:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:34:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:34:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 03:34:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 03:34:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 03:34:53,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:34:53,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140540512] [2023-04-02 03:34:53,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140540512] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:34:53,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:34:53,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:34:53,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039239933] [2023-04-02 03:34:53,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:34:53,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:34:53,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:34:53,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:34:53,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:34:53,823 INFO L87 Difference]: Start difference. First operand 788 states and 1067 transitions. Second operand has 13 states, 12 states have (on average 10.083333333333334) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 03:35:15,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:15,968 INFO L93 Difference]: Finished difference Result 3366 states and 5309 transitions. [2023-04-02 03:35:15,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-04-02 03:35:15,969 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.083333333333334) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 230 [2023-04-02 03:35:15,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:15,980 INFO L225 Difference]: With dead ends: 3366 [2023-04-02 03:35:15,980 INFO L226 Difference]: Without dead ends: 2623 [2023-04-02 03:35:15,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=563, Invalid=1599, Unknown=0, NotChecked=0, Total=2162 [2023-04-02 03:35:15,983 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 13623 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 3773 mSolverCounterSat, 7415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13683 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 11188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7415 IncrementalHoareTripleChecker+Valid, 3773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:15,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13683 Valid, 37 Invalid, 11188 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7415 Valid, 3773 Invalid, 0 Unknown, 0 Unchecked, 19.3s Time] [2023-04-02 03:35:15,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2023-04-02 03:35:16,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 1548. [2023-04-02 03:35:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1548 states, 996 states have (on average 1.4216867469879517) internal successors, (1416), 1056 states have internal predecessors, (1416), 331 states have call successors, (331), 204 states have call predecessors, (331), 220 states have return successors, (390), 319 states have call predecessors, (390), 323 states have call successors, (390) [2023-04-02 03:35:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 2137 transitions. [2023-04-02 03:35:16,681 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 2137 transitions. Word has length 230 [2023-04-02 03:35:16,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:16,682 INFO L495 AbstractCegarLoop]: Abstraction has 1548 states and 2137 transitions. [2023-04-02 03:35:16,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.083333333333334) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 03:35:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 2137 transitions. [2023-04-02 03:35:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-04-02 03:35:16,686 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:16,686 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:35:16,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 03:35:16,687 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:16,687 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:16,687 INFO L85 PathProgramCache]: Analyzing trace with hash -599997436, now seen corresponding path program 1 times [2023-04-02 03:35:16,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:16,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187798441] [2023-04-02 03:35:16,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:16,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:35:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:35:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:35:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:35:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:35:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 03:35:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:35:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:35:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:35:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:35:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:35:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:35:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:35:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:35:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 03:35:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 03:35:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 03:35:17,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:17,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187798441] [2023-04-02 03:35:17,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187798441] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:17,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:35:17,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:35:17,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737428276] [2023-04-02 03:35:17,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:17,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:35:17,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:17,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:35:17,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:35:17,344 INFO L87 Difference]: Start difference. First operand 1548 states and 2137 transitions. Second operand has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 03:35:29,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:29,277 INFO L93 Difference]: Finished difference Result 2119 states and 3152 transitions. [2023-04-02 03:35:29,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-04-02 03:35:29,278 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 231 [2023-04-02 03:35:29,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:29,283 INFO L225 Difference]: With dead ends: 2119 [2023-04-02 03:35:29,283 INFO L226 Difference]: Without dead ends: 1357 [2023-04-02 03:35:29,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=289, Invalid=703, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:35:29,285 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 9033 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 4991 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9034 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 7277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4991 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:29,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9034 Valid, 33 Invalid, 7277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4991 Valid, 2286 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2023-04-02 03:35:29,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2023-04-02 03:35:29,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 789. [2023-04-02 03:35:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 512 states have (on average 1.4140625) internal successors, (724), 540 states have internal predecessors, (724), 171 states have call successors, (171), 109 states have call predecessors, (171), 105 states have return successors, (166), 156 states have call predecessors, (166), 166 states have call successors, (166) [2023-04-02 03:35:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1061 transitions. [2023-04-02 03:35:29,633 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1061 transitions. Word has length 231 [2023-04-02 03:35:29,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:29,633 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1061 transitions. [2023-04-02 03:35:29,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (52), 12 states have call predecessors, (52), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 03:35:29,634 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1061 transitions. [2023-04-02 03:35:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-04-02 03:35:29,636 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:29,637 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:35:29,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 03:35:29,637 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:29,637 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash -2072042755, now seen corresponding path program 1 times [2023-04-02 03:35:29,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:29,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817806645] [2023-04-02 03:35:29,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:29,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:35:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:35:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:35:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:35:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:35:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:35:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:35:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:35:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:35:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:35:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:35:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:35:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:35:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:35:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-04-02 03:35:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-04-02 03:35:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-04-02 03:35:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 03:35:30,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:30,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817806645] [2023-04-02 03:35:30,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817806645] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:30,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:35:30,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 03:35:30,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311936890] [2023-04-02 03:35:30,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:30,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 03:35:30,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:30,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 03:35:30,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-04-02 03:35:30,366 INFO L87 Difference]: Start difference. First operand 789 states and 1061 transitions. Second operand has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 4 states have internal predecessors, (131), 5 states have call successors, (55), 13 states have call predecessors, (55), 3 states have return successors, (36), 4 states have call predecessors, (36), 5 states have call successors, (36) [2023-04-02 03:35:44,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:44,177 INFO L93 Difference]: Finished difference Result 2195 states and 3201 transitions. [2023-04-02 03:35:44,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-02 03:35:44,178 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 4 states have internal predecessors, (131), 5 states have call successors, (55), 13 states have call predecessors, (55), 3 states have return successors, (36), 4 states have call predecessors, (36), 5 states have call successors, (36) Word has length 245 [2023-04-02 03:35:44,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:44,186 INFO L225 Difference]: With dead ends: 2195 [2023-04-02 03:35:44,186 INFO L226 Difference]: Without dead ends: 1475 [2023-04-02 03:35:44,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=475, Invalid=1417, Unknown=0, NotChecked=0, Total=1892 [2023-04-02 03:35:44,190 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 6992 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 3713 mSolverCounterSat, 4468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6992 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 8181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4468 IncrementalHoareTripleChecker+Valid, 3713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:44,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6992 Valid, 41 Invalid, 8181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4468 Valid, 3713 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2023-04-02 03:35:44,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2023-04-02 03:35:44,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 789. [2023-04-02 03:35:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 514 states have (on average 1.3910505836575875) internal successors, (715), 531 states have internal predecessors, (715), 168 states have call successors, (168), 110 states have call predecessors, (168), 106 states have return successors, (163), 156 states have call predecessors, (163), 163 states have call successors, (163) [2023-04-02 03:35:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1046 transitions. [2023-04-02 03:35:44,625 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1046 transitions. Word has length 245 [2023-04-02 03:35:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:44,626 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1046 transitions. [2023-04-02 03:35:44,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.357142857142858) internal successors, (131), 4 states have internal predecessors, (131), 5 states have call successors, (55), 13 states have call predecessors, (55), 3 states have return successors, (36), 4 states have call predecessors, (36), 5 states have call successors, (36) [2023-04-02 03:35:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1046 transitions. [2023-04-02 03:35:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-04-02 03:35:44,628 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:44,628 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:35:44,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 03:35:44,628 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:44,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:44,629 INFO L85 PathProgramCache]: Analyzing trace with hash 864343173, now seen corresponding path program 1 times [2023-04-02 03:35:44,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:44,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441141185] [2023-04-02 03:35:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:44,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:35:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:35:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:35:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:35:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:35:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:35:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:35:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:35:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:35:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:35:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:35:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:35:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 03:35:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-04-02 03:35:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-04-02 03:35:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-04-02 03:35:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-04-02 03:35:45,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:45,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441141185] [2023-04-02 03:35:45,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441141185] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:35:45,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895754116] [2023-04-02 03:35:45,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:45,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:35:45,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:35:45,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:35:45,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 03:35:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 3209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:35:46,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:35:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 03:35:46,263 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:35:46,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895754116] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:46,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:35:46,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [23] total 24 [2023-04-02 03:35:46,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966528165] [2023-04-02 03:35:46,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:46,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:35:46,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:46,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:35:46,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:35:46,265 INFO L87 Difference]: Start difference. First operand 789 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-02 03:35:46,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:46,664 INFO L93 Difference]: Finished difference Result 1225 states and 1607 transitions. [2023-04-02 03:35:46,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:35:46,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 272 [2023-04-02 03:35:46,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:46,667 INFO L225 Difference]: With dead ends: 1225 [2023-04-02 03:35:46,667 INFO L226 Difference]: Without dead ends: 792 [2023-04-02 03:35:46,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:35:46,669 INFO L413 NwaCegarLoop]: 1038 mSDtfsCounter, 1 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2074 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:46,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2074 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:35:46,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-04-02 03:35:47,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 791. [2023-04-02 03:35:47,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 516 states have (on average 1.3895348837209303) internal successors, (717), 533 states have internal predecessors, (717), 168 states have call successors, (168), 110 states have call predecessors, (168), 106 states have return successors, (163), 156 states have call predecessors, (163), 163 states have call successors, (163) [2023-04-02 03:35:47,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1048 transitions. [2023-04-02 03:35:47,008 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1048 transitions. Word has length 272 [2023-04-02 03:35:47,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:47,009 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1048 transitions. [2023-04-02 03:35:47,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-02 03:35:47,009 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1048 transitions. [2023-04-02 03:35:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-04-02 03:35:47,011 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:47,011 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:35:47,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 03:35:47,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-02 03:35:47,221 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:47,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:47,221 INFO L85 PathProgramCache]: Analyzing trace with hash -259881151, now seen corresponding path program 1 times [2023-04-02 03:35:47,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:47,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504598703] [2023-04-02 03:35:47,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:47,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:35:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:35:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:35:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:35:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:35:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:35:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:35:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:35:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 03:35:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 03:35:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:35:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 03:35:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-04-02 03:35:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-04-02 03:35:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-04-02 03:35:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 03:35:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 03:35:48,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504598703] [2023-04-02 03:35:48,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504598703] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:35:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222628148] [2023-04-02 03:35:48,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:48,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:35:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:35:48,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:35:48,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 03:35:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:48,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 3223 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:35:48,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:35:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 03:35:48,870 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:35:48,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222628148] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:48,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:35:48,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [23] total 24 [2023-04-02 03:35:48,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720160653] [2023-04-02 03:35:48,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:48,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:35:48,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:48,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:35:48,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:35:48,872 INFO L87 Difference]: Start difference. First operand 791 states and 1048 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-02 03:35:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:49,390 INFO L93 Difference]: Finished difference Result 1514 states and 2048 transitions. [2023-04-02 03:35:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:35:49,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 280 [2023-04-02 03:35:49,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:49,394 INFO L225 Difference]: With dead ends: 1514 [2023-04-02 03:35:49,394 INFO L226 Difference]: Without dead ends: 846 [2023-04-02 03:35:49,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:35:49,397 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 68 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 2082 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:49,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 2082 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:35:49,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2023-04-02 03:35:49,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 845. [2023-04-02 03:35:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 560 states have (on average 1.4017857142857142) internal successors, (785), 580 states have internal predecessors, (785), 178 states have call successors, (178), 110 states have call predecessors, (178), 106 states have return successors, (173), 166 states have call predecessors, (173), 173 states have call successors, (173) [2023-04-02 03:35:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1136 transitions. [2023-04-02 03:35:49,794 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1136 transitions. Word has length 280 [2023-04-02 03:35:49,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:49,794 INFO L495 AbstractCegarLoop]: Abstraction has 845 states and 1136 transitions. [2023-04-02 03:35:49,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-04-02 03:35:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1136 transitions. [2023-04-02 03:35:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-04-02 03:35:49,797 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:49,798 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:35:49,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 03:35:50,005 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,SelfDestructingSolverStorable6 [2023-04-02 03:35:50,006 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:50,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:50,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1300958477, now seen corresponding path program 1 times [2023-04-02 03:35:50,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:50,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402556926] [2023-04-02 03:35:50,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:35:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:35:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:35:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:35:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:35:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:35:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:35:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:35:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:35:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 03:35:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 03:35:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 03:35:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-04-02 03:35:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-04-02 03:35:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-04-02 03:35:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-04-02 03:35:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 03:35:50,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:50,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402556926] [2023-04-02 03:35:50,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402556926] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:35:50,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144899778] [2023-04-02 03:35:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:50,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:35:50,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:35:50,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:35:50,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 03:35:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:51,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 3228 conjuncts, 10 conjunts are in the unsatisfiable core [2023-04-02 03:35:51,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:35:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-04-02 03:35:51,705 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:35:51,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144899778] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:51,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:35:51,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [23] total 31 [2023-04-02 03:35:51,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341744702] [2023-04-02 03:35:51,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:51,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:35:51,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:51,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:35:51,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2023-04-02 03:35:51,707 INFO L87 Difference]: Start difference. First operand 845 states and 1136 transitions. Second operand has 11 states, 9 states have (on average 17.77777777777778) internal successors, (160), 11 states have internal predecessors, (160), 7 states have call successors, (61), 3 states have call predecessors, (61), 7 states have return successors, (42), 5 states have call predecessors, (42), 7 states have call successors, (42) [2023-04-02 03:35:53,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:53,158 INFO L93 Difference]: Finished difference Result 1617 states and 2194 transitions. [2023-04-02 03:35:53,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 03:35:53,159 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 17.77777777777778) internal successors, (160), 11 states have internal predecessors, (160), 7 states have call successors, (61), 3 states have call predecessors, (61), 7 states have return successors, (42), 5 states have call predecessors, (42), 7 states have call successors, (42) Word has length 281 [2023-04-02 03:35:53,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:53,162 INFO L225 Difference]: With dead ends: 1617 [2023-04-02 03:35:53,162 INFO L226 Difference]: Without dead ends: 859 [2023-04-02 03:35:53,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=1085, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 03:35:53,164 INFO L413 NwaCegarLoop]: 1044 mSDtfsCounter, 950 mSDsluCounter, 5625 mSDsCounter, 0 mSdLazyCounter, 2427 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 6669 SdHoareTripleChecker+Invalid, 2430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:53,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 6669 Invalid, 2430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2427 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 03:35:53,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2023-04-02 03:35:53,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2023-04-02 03:35:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 571 states have (on average 1.404553415061296) internal successors, (802), 592 states have internal predecessors, (802), 178 states have call successors, (178), 112 states have call predecessors, (178), 109 states have return successors, (174), 166 states have call predecessors, (174), 173 states have call successors, (174) [2023-04-02 03:35:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1154 transitions. [2023-04-02 03:35:53,562 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1154 transitions. Word has length 281 [2023-04-02 03:35:53,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:53,562 INFO L495 AbstractCegarLoop]: Abstraction has 859 states and 1154 transitions. [2023-04-02 03:35:53,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 17.77777777777778) internal successors, (160), 11 states have internal predecessors, (160), 7 states have call successors, (61), 3 states have call predecessors, (61), 7 states have return successors, (42), 5 states have call predecessors, (42), 7 states have call successors, (42) [2023-04-02 03:35:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1154 transitions. [2023-04-02 03:35:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-04-02 03:35:53,565 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:53,565 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:35:53,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 03:35:53,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:35:53,773 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:53,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:53,774 INFO L85 PathProgramCache]: Analyzing trace with hash -56160926, now seen corresponding path program 1 times [2023-04-02 03:35:53,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:53,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513857695] [2023-04-02 03:35:53,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:53,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:35:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:35:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:35:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:35:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:35:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:35:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:35:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 03:35:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:35:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:35:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-02 03:35:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 03:35:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 03:35:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-04-02 03:35:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-04-02 03:35:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-04-02 03:35:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-04-02 03:35:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:35:54,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:54,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513857695] [2023-04-02 03:35:54,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513857695] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:35:54,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466184532] [2023-04-02 03:35:54,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:54,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:35:54,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:35:54,651 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:35:54,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 03:35:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:55,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 3229 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:35:55,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:35:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-04-02 03:35:55,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:35:55,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466184532] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:55,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:35:55,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [22] total 28 [2023-04-02 03:35:55,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121379940] [2023-04-02 03:35:55,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:55,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:35:55,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:55,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:35:55,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:35:55,300 INFO L87 Difference]: Start difference. First operand 859 states and 1154 transitions. Second operand has 9 states, 8 states have (on average 20.125) internal successors, (161), 9 states have internal predecessors, (161), 5 states have call successors, (61), 3 states have call predecessors, (61), 6 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) [2023-04-02 03:35:56,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:56,517 INFO L93 Difference]: Finished difference Result 1618 states and 2198 transitions. [2023-04-02 03:35:56,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:35:56,518 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 20.125) internal successors, (161), 9 states have internal predecessors, (161), 5 states have call successors, (61), 3 states have call predecessors, (61), 6 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) Word has length 282 [2023-04-02 03:35:56,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:56,521 INFO L225 Difference]: With dead ends: 1618 [2023-04-02 03:35:56,521 INFO L226 Difference]: Without dead ends: 861 [2023-04-02 03:35:56,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=838, Unknown=0, NotChecked=0, Total=930 [2023-04-02 03:35:56,523 INFO L413 NwaCegarLoop]: 1043 mSDtfsCounter, 946 mSDsluCounter, 4218 mSDsCounter, 0 mSdLazyCounter, 1823 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 5261 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:56,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 5261 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1823 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 03:35:56,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2023-04-02 03:35:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2023-04-02 03:35:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 572 states have (on average 1.4038461538461537) internal successors, (803), 594 states have internal predecessors, (803), 178 states have call successors, (178), 112 states have call predecessors, (178), 110 states have return successors, (176), 166 states have call predecessors, (176), 173 states have call successors, (176) [2023-04-02 03:35:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1157 transitions. [2023-04-02 03:35:56,905 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1157 transitions. Word has length 282 [2023-04-02 03:35:56,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:56,905 INFO L495 AbstractCegarLoop]: Abstraction has 861 states and 1157 transitions. [2023-04-02 03:35:56,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 20.125) internal successors, (161), 9 states have internal predecessors, (161), 5 states have call successors, (61), 3 states have call predecessors, (61), 6 states have return successors, (42), 6 states have call predecessors, (42), 5 states have call successors, (42) [2023-04-02 03:35:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1157 transitions. [2023-04-02 03:35:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-04-02 03:35:56,908 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:56,908 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:35:56,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 03:35:57,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:35:57,115 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:57,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:57,115 INFO L85 PathProgramCache]: Analyzing trace with hash -539956181, now seen corresponding path program 1 times [2023-04-02 03:35:57,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:57,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230300293] [2023-04-02 03:35:57,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:57,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:35:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:35:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:35:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:35:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:35:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:35:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:35:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:35:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:35:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:35:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:35:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 03:35:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:35:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 03:35:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 03:35:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:35:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-04-02 03:35:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-04-02 03:35:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-04-02 03:35:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 03:35:58,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:58,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230300293] [2023-04-02 03:35:58,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230300293] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:58,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:35:58,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-04-02 03:35:58,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452309685] [2023-04-02 03:35:58,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:58,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-04-02 03:35:58,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:58,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-04-02 03:35:58,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:35:58,068 INFO L87 Difference]: Start difference. First operand 861 states and 1157 transitions. Second operand has 23 states, 19 states have (on average 8.157894736842104) internal successors, (155), 11 states have internal predecessors, (155), 8 states have call successors, (61), 14 states have call predecessors, (61), 6 states have return successors, (42), 5 states have call predecessors, (42), 8 states have call successors, (42) [2023-04-02 03:36:17,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:36:17,700 INFO L93 Difference]: Finished difference Result 2437 states and 3582 transitions. [2023-04-02 03:36:17,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-04-02 03:36:17,700 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 8.157894736842104) internal successors, (155), 11 states have internal predecessors, (155), 8 states have call successors, (61), 14 states have call predecessors, (61), 6 states have return successors, (42), 5 states have call predecessors, (42), 8 states have call successors, (42) Word has length 283 [2023-04-02 03:36:17,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:36:17,706 INFO L225 Difference]: With dead ends: 2437 [2023-04-02 03:36:17,706 INFO L226 Difference]: Without dead ends: 1689 [2023-04-02 03:36:17,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1461 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1079, Invalid=4621, Unknown=0, NotChecked=0, Total=5700 [2023-04-02 03:36:17,709 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 7590 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 13456 mSolverCounterSat, 4684 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7591 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 18140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4684 IncrementalHoareTripleChecker+Valid, 13456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:36:17,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7591 Valid, 152 Invalid, 18140 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4684 Valid, 13456 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2023-04-02 03:36:17,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2023-04-02 03:36:18,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 871. [2023-04-02 03:36:18,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 581 states have (on average 1.4027538726333908) internal successors, (815), 602 states have internal predecessors, (815), 178 states have call successors, (178), 114 states have call predecessors, (178), 111 states have return successors, (175), 166 states have call predecessors, (175), 173 states have call successors, (175) [2023-04-02 03:36:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1168 transitions. [2023-04-02 03:36:18,125 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1168 transitions. Word has length 283 [2023-04-02 03:36:18,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:36:18,125 INFO L495 AbstractCegarLoop]: Abstraction has 871 states and 1168 transitions. [2023-04-02 03:36:18,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 8.157894736842104) internal successors, (155), 11 states have internal predecessors, (155), 8 states have call successors, (61), 14 states have call predecessors, (61), 6 states have return successors, (42), 5 states have call predecessors, (42), 8 states have call successors, (42) [2023-04-02 03:36:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1168 transitions. [2023-04-02 03:36:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-04-02 03:36:18,127 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:36:18,128 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:36:18,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:36:18,128 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:36:18,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:36:18,128 INFO L85 PathProgramCache]: Analyzing trace with hash -689779818, now seen corresponding path program 2 times [2023-04-02 03:36:18,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:36:18,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619509373] [2023-04-02 03:36:18,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:36:18,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:36:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:36:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:36:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:36:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:36:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:36:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:36:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:36:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:36:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:36:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:36:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:36:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:36:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:36:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:36:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:36:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:36:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:36:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:36:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:36:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:36:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:36:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:18,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:36:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 03:36:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 03:36:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-02 03:36:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-04-02 03:36:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:36:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-04-02 03:36:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-04-02 03:36:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-04-02 03:36:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:19,065 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:36:19,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:36:19,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619509373] [2023-04-02 03:36:19,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619509373] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:36:19,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:36:19,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-04-02 03:36:19,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265562105] [2023-04-02 03:36:19,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:36:19,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-02 03:36:19,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:36:19,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-02 03:36:19,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:36:19,068 INFO L87 Difference]: Start difference. First operand 871 states and 1168 transitions. Second operand has 22 states, 18 states have (on average 8.833333333333334) internal successors, (159), 9 states have internal predecessors, (159), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) [2023-04-02 03:36:37,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:36:37,974 INFO L93 Difference]: Finished difference Result 2437 states and 3579 transitions. [2023-04-02 03:36:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-04-02 03:36:37,975 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 8.833333333333334) internal successors, (159), 9 states have internal predecessors, (159), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) Word has length 284 [2023-04-02 03:36:37,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:36:37,982 INFO L225 Difference]: With dead ends: 2437 [2023-04-02 03:36:37,982 INFO L226 Difference]: Without dead ends: 1702 [2023-04-02 03:36:37,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1252 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=971, Invalid=3999, Unknown=0, NotChecked=0, Total=4970 [2023-04-02 03:36:37,985 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5967 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 12367 mSolverCounterSat, 3563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5968 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 15930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3563 IncrementalHoareTripleChecker+Valid, 12367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:36:37,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5968 Valid, 140 Invalid, 15930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3563 Valid, 12367 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2023-04-02 03:36:37,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2023-04-02 03:36:38,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 876. [2023-04-02 03:36:38,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 583 states have (on average 1.4013722126929673) internal successors, (817), 605 states have internal predecessors, (817), 179 states have call successors, (179), 114 states have call predecessors, (179), 113 states have return successors, (178), 168 states have call predecessors, (178), 174 states have call successors, (178) [2023-04-02 03:36:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1174 transitions. [2023-04-02 03:36:38,434 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1174 transitions. Word has length 284 [2023-04-02 03:36:38,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:36:38,435 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1174 transitions. [2023-04-02 03:36:38,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 8.833333333333334) internal successors, (159), 9 states have internal predecessors, (159), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) [2023-04-02 03:36:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1174 transitions. [2023-04-02 03:36:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-04-02 03:36:38,437 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:36:38,437 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:36:38,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:36:38,437 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:36:38,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:36:38,438 INFO L85 PathProgramCache]: Analyzing trace with hash -632435777, now seen corresponding path program 3 times [2023-04-02 03:36:38,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:36:38,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506134296] [2023-04-02 03:36:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:36:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:36:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:36:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:36:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:36:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:36:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:36:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:36:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:36:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:36:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:36:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:36:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:36:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:36:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:36:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:36:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:36:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:36:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:36:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:36:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:36:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:36:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:36:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:36:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:36:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 03:36:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 03:36:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-04-02 03:36:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:36:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-04-02 03:36:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-04-02 03:36:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-04-02 03:36:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-02 03:36:39,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:36:39,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506134296] [2023-04-02 03:36:39,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506134296] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:36:39,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:36:39,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-04-02 03:36:39,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110455081] [2023-04-02 03:36:39,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:36:39,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-04-02 03:36:39,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:36:39,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-04-02 03:36:39,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:36:39,458 INFO L87 Difference]: Start difference. First operand 876 states and 1174 transitions. Second operand has 23 states, 19 states have (on average 8.210526315789474) internal successors, (156), 11 states have internal predecessors, (156), 8 states have call successors, (61), 14 states have call predecessors, (61), 6 states have return successors, (42), 5 states have call predecessors, (42), 8 states have call successors, (42) [2023-04-02 03:36:59,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:36:59,701 INFO L93 Difference]: Finished difference Result 2435 states and 3578 transitions. [2023-04-02 03:36:59,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-04-02 03:36:59,702 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 8.210526315789474) internal successors, (156), 11 states have internal predecessors, (156), 8 states have call successors, (61), 14 states have call predecessors, (61), 6 states have return successors, (42), 5 states have call predecessors, (42), 8 states have call successors, (42) Word has length 285 [2023-04-02 03:36:59,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:36:59,708 INFO L225 Difference]: With dead ends: 2435 [2023-04-02 03:36:59,709 INFO L226 Difference]: Without dead ends: 1691 [2023-04-02 03:36:59,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1460 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=1079, Invalid=4621, Unknown=0, NotChecked=0, Total=5700 [2023-04-02 03:36:59,712 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 9902 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 13441 mSolverCounterSat, 5883 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9903 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 19324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5883 IncrementalHoareTripleChecker+Valid, 13441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:36:59,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9903 Valid, 152 Invalid, 19324 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5883 Valid, 13441 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2023-04-02 03:36:59,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2023-04-02 03:37:00,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 871. [2023-04-02 03:37:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 581 states have (on average 1.4010327022375215) internal successors, (814), 602 states have internal predecessors, (814), 178 states have call successors, (178), 114 states have call predecessors, (178), 111 states have return successors, (175), 166 states have call predecessors, (175), 173 states have call successors, (175) [2023-04-02 03:37:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1167 transitions. [2023-04-02 03:37:00,161 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1167 transitions. Word has length 285 [2023-04-02 03:37:00,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:37:00,161 INFO L495 AbstractCegarLoop]: Abstraction has 871 states and 1167 transitions. [2023-04-02 03:37:00,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 8.210526315789474) internal successors, (156), 11 states have internal predecessors, (156), 8 states have call successors, (61), 14 states have call predecessors, (61), 6 states have return successors, (42), 5 states have call predecessors, (42), 8 states have call successors, (42) [2023-04-02 03:37:00,161 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1167 transitions. [2023-04-02 03:37:00,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-04-02 03:37:00,163 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:37:00,163 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:37:00,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:37:00,163 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:37:00,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:37:00,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1295856036, now seen corresponding path program 1 times [2023-04-02 03:37:00,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:37:00,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650180348] [2023-04-02 03:37:00,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:37:00,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:37:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:37:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:37:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:37:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:37:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:37:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:37:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:37:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:37:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:37:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:37:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:37:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:37:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:37:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:37:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:37:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:37:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:37:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:37:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:37:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:37:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:37:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:37:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 03:37:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 03:37:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-04-02 03:37:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-04-02 03:37:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-04-02 03:37:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-04-02 03:37:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:01,054 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:37:01,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:37:01,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650180348] [2023-04-02 03:37:01,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650180348] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:37:01,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:37:01,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-04-02 03:37:01,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726929378] [2023-04-02 03:37:01,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:37:01,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-02 03:37:01,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:37:01,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-02 03:37:01,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:37:01,056 INFO L87 Difference]: Start difference. First operand 871 states and 1167 transitions. Second operand has 22 states, 18 states have (on average 8.88888888888889) internal successors, (160), 9 states have internal predecessors, (160), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) [2023-04-02 03:37:22,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:37:22,710 INFO L93 Difference]: Finished difference Result 2426 states and 3564 transitions. [2023-04-02 03:37:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-04-02 03:37:22,710 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 8.88888888888889) internal successors, (160), 9 states have internal predecessors, (160), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) Word has length 285 [2023-04-02 03:37:22,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:37:22,716 INFO L225 Difference]: With dead ends: 2426 [2023-04-02 03:37:22,717 INFO L226 Difference]: Without dead ends: 1691 [2023-04-02 03:37:22,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1448 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1132, Invalid=4270, Unknown=0, NotChecked=0, Total=5402 [2023-04-02 03:37:22,720 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3658 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 12918 mSolverCounterSat, 2229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3659 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 15147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2229 IncrementalHoareTripleChecker+Valid, 12918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:37:22,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3659 Valid, 146 Invalid, 15147 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2229 Valid, 12918 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2023-04-02 03:37:22,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2023-04-02 03:37:23,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 871. [2023-04-02 03:37:23,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 581 states have (on average 1.4010327022375215) internal successors, (814), 602 states have internal predecessors, (814), 178 states have call successors, (178), 114 states have call predecessors, (178), 111 states have return successors, (174), 166 states have call predecessors, (174), 173 states have call successors, (174) [2023-04-02 03:37:23,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1166 transitions. [2023-04-02 03:37:23,194 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1166 transitions. Word has length 285 [2023-04-02 03:37:23,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:37:23,194 INFO L495 AbstractCegarLoop]: Abstraction has 871 states and 1166 transitions. [2023-04-02 03:37:23,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 8.88888888888889) internal successors, (160), 9 states have internal predecessors, (160), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) [2023-04-02 03:37:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1166 transitions. [2023-04-02 03:37:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-04-02 03:37:23,196 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:37:23,196 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:37:23,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 03:37:23,196 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:37:23,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:37:23,197 INFO L85 PathProgramCache]: Analyzing trace with hash 792733553, now seen corresponding path program 2 times [2023-04-02 03:37:23,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:37:23,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094262811] [2023-04-02 03:37:23,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:37:23,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:37:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:37:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:37:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:37:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:37:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:37:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:37:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:37:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:37:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:37:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:37:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:37:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:37:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:37:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:37:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:37:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:37:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:37:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:23,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:37:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:37:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:37:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:37:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:37:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 03:37:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 03:37:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-04-02 03:37:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-04-02 03:37:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 03:37:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-04-02 03:37:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:37:24,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:37:24,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094262811] [2023-04-02 03:37:24,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094262811] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:37:24,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:37:24,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-04-02 03:37:24,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40180767] [2023-04-02 03:37:24,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:37:24,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-02 03:37:24,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:37:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-02 03:37:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:37:24,102 INFO L87 Difference]: Start difference. First operand 871 states and 1166 transitions. Second operand has 22 states, 18 states have (on average 8.944444444444445) internal successors, (161), 9 states have internal predecessors, (161), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) [2023-04-02 03:37:45,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:37:45,050 INFO L93 Difference]: Finished difference Result 2432 states and 3572 transitions. [2023-04-02 03:37:45,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-04-02 03:37:45,051 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 8.944444444444445) internal successors, (161), 9 states have internal predecessors, (161), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) Word has length 286 [2023-04-02 03:37:45,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:37:45,057 INFO L225 Difference]: With dead ends: 2432 [2023-04-02 03:37:45,057 INFO L226 Difference]: Without dead ends: 1697 [2023-04-02 03:37:45,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1447 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1132, Invalid=4270, Unknown=0, NotChecked=0, Total=5402 [2023-04-02 03:37:45,060 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5020 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 12583 mSolverCounterSat, 2992 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5021 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 15575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2992 IncrementalHoareTripleChecker+Valid, 12583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:37:45,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5021 Valid, 142 Invalid, 15575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2992 Valid, 12583 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2023-04-02 03:37:45,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2023-04-02 03:37:45,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 873. [2023-04-02 03:37:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 582 states have (on average 1.4003436426116838) internal successors, (815), 604 states have internal predecessors, (815), 178 states have call successors, (178), 114 states have call predecessors, (178), 112 states have return successors, (176), 166 states have call predecessors, (176), 173 states have call successors, (176) [2023-04-02 03:37:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1169 transitions. [2023-04-02 03:37:45,547 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1169 transitions. Word has length 286 [2023-04-02 03:37:45,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:37:45,547 INFO L495 AbstractCegarLoop]: Abstraction has 873 states and 1169 transitions. [2023-04-02 03:37:45,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 8.944444444444445) internal successors, (161), 9 states have internal predecessors, (161), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) [2023-04-02 03:37:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1169 transitions. [2023-04-02 03:37:45,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2023-04-02 03:37:45,549 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:37:45,549 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:37:45,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:37:45,550 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:37:45,550 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:37:45,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1471680183, now seen corresponding path program 1 times [2023-04-02 03:37:45,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:37:45,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922116266] [2023-04-02 03:37:45,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:37:45,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:37:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:37:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:37:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:37:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:37:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:37:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:37:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:37:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:37:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:37:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:37:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:37:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:37:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:37:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:37:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:37:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:37:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:37:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:37:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:37:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:37:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:37:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 03:37:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 03:37:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-04-02 03:37:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-04-02 03:37:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:37:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:37:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-04-02 03:37:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-04-02 03:37:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-04-02 03:37:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:37:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:37:46,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:37:46,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922116266] [2023-04-02 03:37:46,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922116266] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:37:46,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:37:46,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-04-02 03:37:46,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848950632] [2023-04-02 03:37:46,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:37:46,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-02 03:37:46,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:37:46,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-02 03:37:46,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:37:46,423 INFO L87 Difference]: Start difference. First operand 873 states and 1169 transitions. Second operand has 22 states, 18 states have (on average 9.0) internal successors, (162), 9 states have internal predecessors, (162), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) [2023-04-02 03:38:06,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:38:06,920 INFO L93 Difference]: Finished difference Result 2430 states and 3566 transitions. [2023-04-02 03:38:06,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-04-02 03:38:06,921 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 9.0) internal successors, (162), 9 states have internal predecessors, (162), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) Word has length 287 [2023-04-02 03:38:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:38:06,926 INFO L225 Difference]: With dead ends: 2430 [2023-04-02 03:38:06,926 INFO L226 Difference]: Without dead ends: 1693 [2023-04-02 03:38:06,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1297 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=1076, Invalid=3894, Unknown=0, NotChecked=0, Total=4970 [2023-04-02 03:38:06,945 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 9473 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 11589 mSolverCounterSat, 6065 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9474 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 17654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6065 IncrementalHoareTripleChecker+Valid, 11589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:38:06,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9474 Valid, 140 Invalid, 17654 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6065 Valid, 11589 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2023-04-02 03:38:06,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2023-04-02 03:38:07,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 880. [2023-04-02 03:38:07,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 585 states have (on average 1.3982905982905982) internal successors, (818), 609 states have internal predecessors, (818), 179 states have call successors, (179), 114 states have call predecessors, (179), 115 states have return successors, (182), 168 states have call predecessors, (182), 174 states have call successors, (182) [2023-04-02 03:38:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1179 transitions. [2023-04-02 03:38:07,453 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1179 transitions. Word has length 287 [2023-04-02 03:38:07,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:38:07,454 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1179 transitions. [2023-04-02 03:38:07,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 9.0) internal successors, (162), 9 states have internal predecessors, (162), 6 states have call successors, (61), 14 states have call predecessors, (61), 5 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) [2023-04-02 03:38:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1179 transitions. [2023-04-02 03:38:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2023-04-02 03:38:07,456 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:38:07,456 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:38:07,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:38:07,456 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:38:07,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:38:07,456 INFO L85 PathProgramCache]: Analyzing trace with hash 425299275, now seen corresponding path program 1 times [2023-04-02 03:38:07,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:38:07,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256209535] [2023-04-02 03:38:07,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:38:07,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:38:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:38:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:38:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:38:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:38:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:38:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:38:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:38:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:38:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:38:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:38:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:38:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:38:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:38:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:38:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:38:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:38:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:38:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:38:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:38:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:38:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:38:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:38:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:38:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:38:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 03:38:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 03:38:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-04-02 03:38:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-04-02 03:38:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:38:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:38:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-04-02 03:38:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-04-02 03:38:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-04-02 03:38:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:38:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-02 03:38:08,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:38:08,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256209535] [2023-04-02 03:38:08,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256209535] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:38:08,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:38:08,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-04-02 03:38:08,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294156707] [2023-04-02 03:38:08,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:38:08,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-04-02 03:38:08,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:38:08,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-04-02 03:38:08,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:38:08,421 INFO L87 Difference]: Start difference. First operand 880 states and 1179 transitions. Second operand has 23 states, 19 states have (on average 8.368421052631579) internal successors, (159), 11 states have internal predecessors, (159), 8 states have call successors, (61), 14 states have call predecessors, (61), 6 states have return successors, (42), 5 states have call predecessors, (42), 8 states have call successors, (42)