/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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:33:19,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:33:19,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:33:19,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:33:19,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:33:19,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:33:19,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:33:19,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:33:19,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:33:19,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:33:19,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:33:19,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:33:19,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:33:19,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:33:19,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:33:19,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:33:19,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:33:19,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:33:19,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:33:19,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:33:19,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:33:19,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:33:19,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:33:19,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:33:19,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:33:19,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:33:19,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:33:19,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:33:19,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:33:19,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:33:19,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:33:19,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:33:19,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:33:19,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:33:19,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:33:19,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:33:19,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:33:19,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:33:19,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:33:19,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:33:19,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:33:19,416 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 03:33:19,444 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:33:19,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:33:19,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:33:19,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:33:19,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:33:19,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:33:19,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:33:19,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:33:19,446 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:33:19,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:33:19,447 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:33:19,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:33:19,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:33:19,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:33:19,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:33:19,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:33:19,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:33:19,448 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:33:19,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:33:19,448 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:33:19,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:33:19,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:33:19,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:33:19,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:33:19,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:33:19,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:33:19,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:33:19,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:33:19,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:33:19,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:33:19,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:33:19,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:33:19,450 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:33:19,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:33:19,450 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:33:19,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:33:19,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:33:19,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:33:19,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:33:19,700 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:33:19,700 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:33:19,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product33.cil.c [2023-04-02 03:33:20,807 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:33:21,130 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:33:21,131 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product33.cil.c [2023-04-02 03:33:21,152 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a6b729b/3a8449a753804f228fc4bc2070d0acf9/FLAG87293cefd [2023-04-02 03:33:21,163 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0a6b729b/3a8449a753804f228fc4bc2070d0acf9 [2023-04-02 03:33:21,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:33:21,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:33:21,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:33:21,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:33:21,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:33:21,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:21,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e66a1e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21, skipping insertion in model container [2023-04-02 03:33:21,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:21,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:33:21,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:33:21,418 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_product33.cil.c[1543,1556] [2023-04-02 03:33:21,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:33:21,778 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:33:21,788 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_product33.cil.c[1543,1556] [2023-04-02 03:33:21,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:33:21,893 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:33:21,899 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:33:21,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21 WrapperNode [2023-04-02 03:33:21,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:33:21,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:33:21,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:33:21,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:33:21,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:21,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:21,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:21,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:22,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:22,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:22,044 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:22,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:22,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:33:22,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:33:22,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:33:22,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:33:22,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (1/1) ... [2023-04-02 03:33:22,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:33:22,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:33:22,126 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 03:33:22,147 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 03:33:22,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:33:22,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:33:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:33:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:33:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:33:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:33:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:33:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:33:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:33:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:33:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:33:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:33:22,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:33:22,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 03:33:22,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-02 03:33:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-02 03:33:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:33:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 03:33:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:33:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:33:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:33:22,175 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:33:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-04-02 03:33:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:33:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:33:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:33:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:33:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:33:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:33:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:33:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:33:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:33:22,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:33:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:33:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:33:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:33:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:33:22,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:33:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:33:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:33:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:33:22,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:33:22,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:33:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:33:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:33:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:33:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:33:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:33:22,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:33:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:33:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:33:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:33:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:33:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:33:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:33:22,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:33:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:33:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:33:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:33:22,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 03:33:22,184 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:33:22,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:33:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:33:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:33:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:33:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:33:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-02 03:33:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:33:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 03:33:22,186 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:33:22,186 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:33:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:33:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:33:22,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:33:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:33:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:33:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:33:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:33:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:33:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:33:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:33:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:33:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:33:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:33:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:33:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:33:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:33:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:33:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:33:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:33:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:33:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:33:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-02 03:33:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 03:33:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:33:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:33:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:33:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:33:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:33:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:33:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:33:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-02 03:33:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:33:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:33:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:33:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:33:22,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:33:22,535 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:33:22,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:33:23,726 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:33:23,747 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:33:23,748 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:33:23,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:33:23 BoogieIcfgContainer [2023-04-02 03:33:23,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:33:23,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:33:23,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:33:23,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:33:23,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:33:21" (1/3) ... [2023-04-02 03:33:23,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cca865b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:33:23, skipping insertion in model container [2023-04-02 03:33:23,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:33:21" (2/3) ... [2023-04-02 03:33:23,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cca865b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:33:23, skipping insertion in model container [2023-04-02 03:33:23,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:33:23" (3/3) ... [2023-04-02 03:33:23,765 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product33.cil.c [2023-04-02 03:33:23,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:33:23,781 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:33:23,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:33:23,844 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;@56b17552, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:33:23,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:33:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 592 states, 375 states have (on average 1.4) internal successors, (525), 385 states have internal predecessors, (525), 128 states have call successors, (128), 84 states have call predecessors, (128), 84 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-04-02 03:33:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-04-02 03:33:23,888 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:23,889 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:23,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:23,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:23,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1900875194, now seen corresponding path program 1 times [2023-04-02 03:33:23,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:23,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164258991] [2023-04-02 03:33:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:23,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:33:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:33:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:33:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:33:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:33:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:33:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:33:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:33:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:33:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:33:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:33:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:33:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:33:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 03:33:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 03:33:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-04-02 03:33:25,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:25,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164258991] [2023-04-02 03:33:25,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164258991] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:25,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:33:25,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:33:25,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465742169] [2023-04-02 03:33:25,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:25,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:33:25,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:25,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:33:25,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:33:25,545 INFO L87 Difference]: Start difference. First operand has 592 states, 375 states have (on average 1.4) internal successors, (525), 385 states have internal predecessors, (525), 128 states have call successors, (128), 84 states have call predecessors, (128), 84 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 2 states have internal predecessors, (104), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:38,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:38,142 INFO L93 Difference]: Finished difference Result 1711 states and 2779 transitions. [2023-04-02 03:33:38,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-04-02 03:33:38,146 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 2 states have internal predecessors, (104), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 213 [2023-04-02 03:33:38,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:38,169 INFO L225 Difference]: With dead ends: 1711 [2023-04-02 03:33:38,169 INFO L226 Difference]: Without dead ends: 1077 [2023-04-02 03:33:38,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2435 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2023-04-02 03:33:38,182 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 4145 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 2340 mSolverCounterSat, 2360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4198 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 4700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2360 IncrementalHoareTripleChecker+Valid, 2340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:33:38,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4198 Valid, 161 Invalid, 4700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2360 Valid, 2340 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2023-04-02 03:33:38,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2023-04-02 03:33:38,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 569. [2023-04-02 03:33:38,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 364 states have (on average 1.3983516483516483) internal successors, (509), 371 states have internal predecessors, (509), 124 states have call successors, (124), 84 states have call predecessors, (124), 80 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-02 03:33:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 752 transitions. [2023-04-02 03:33:38,554 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 752 transitions. Word has length 213 [2023-04-02 03:33:38,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:38,556 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 752 transitions. [2023-04-02 03:33:38,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 2 states have internal predecessors, (104), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 752 transitions. [2023-04-02 03:33:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-04-02 03:33:38,561 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:38,562 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:38,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:33:38,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:38,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash -441709470, now seen corresponding path program 1 times [2023-04-02 03:33:38,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:38,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505383207] [2023-04-02 03:33:38,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:38,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:33:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:33:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:33:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:33:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:33:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:33:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:33:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:33:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:33:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:33:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:33:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:33:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:33:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 03:33:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-02 03:33:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-02 03:33:39,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:39,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505383207] [2023-04-02 03:33:39,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505383207] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:33:39,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247556909] [2023-04-02 03:33:39,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:39,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:39,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:33:39,721 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 03:33:39,725 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 03:33:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:40,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 2598 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:33:40,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:33:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-04-02 03:33:40,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:33:40,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247556909] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:40,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:33:40,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:33:40,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586515349] [2023-04-02 03:33:40,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:40,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:33:40,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:40,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:33:40,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:33:40,332 INFO L87 Difference]: Start difference. First operand 569 states and 752 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:40,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:40,810 INFO L93 Difference]: Finished difference Result 898 states and 1170 transitions. [2023-04-02 03:33:40,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:33:40,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2023-04-02 03:33:40,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:40,815 INFO L225 Difference]: With dead ends: 898 [2023-04-02 03:33:40,815 INFO L226 Difference]: Without dead ends: 572 [2023-04-02 03:33:40,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:33:40,818 INFO L413 NwaCegarLoop]: 750 mSDtfsCounter, 1 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1498 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 03:33:40,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1498 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:33:40,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-04-02 03:33:41,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 571. [2023-04-02 03:33:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 366 states have (on average 1.3961748633879782) internal successors, (511), 373 states have internal predecessors, (511), 124 states have call successors, (124), 84 states have call predecessors, (124), 80 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-02 03:33:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 754 transitions. [2023-04-02 03:33:41,180 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 754 transitions. Word has length 214 [2023-04-02 03:33:41,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:41,180 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 754 transitions. [2023-04-02 03:33:41,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:41,181 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 754 transitions. [2023-04-02 03:33:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-04-02 03:33:41,184 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:41,185 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:41,193 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 03:33:41,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:41,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:41,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:41,386 INFO L85 PathProgramCache]: Analyzing trace with hash -341450159, now seen corresponding path program 1 times [2023-04-02 03:33:41,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:41,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111810949] [2023-04-02 03:33:41,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:41,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:33:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:33:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:33:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:33:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:33:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:33:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:33:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:33:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:33:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:33:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:33:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:33:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 03:33:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 03:33:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 03:33:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-02 03:33:42,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:42,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111810949] [2023-04-02 03:33:42,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111810949] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:33:42,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237635758] [2023-04-02 03:33:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:42,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:42,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:33:42,653 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 03:33:42,680 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 03:33:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:43,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 2611 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:33:43,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:33:43,235 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-04-02 03:33:43,236 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:33:43,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237635758] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:43,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:33:43,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:33:43,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873669687] [2023-04-02 03:33:43,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:43,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:33:43,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:43,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:33:43,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:33:43,238 INFO L87 Difference]: Start difference. First operand 571 states and 754 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:43,662 INFO L93 Difference]: Finished difference Result 1120 states and 1509 transitions. [2023-04-02 03:33:43,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:33:43,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 226 [2023-04-02 03:33:43,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:43,668 INFO L225 Difference]: With dead ends: 1120 [2023-04-02 03:33:43,668 INFO L226 Difference]: Without dead ends: 614 [2023-04-02 03:33:43,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:33:43,672 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 53 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1506 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 03:33:43,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1506 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:33:43,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2023-04-02 03:33:44,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 613. [2023-04-02 03:33:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 399 states have (on average 1.4160401002506267) internal successors, (565), 406 states have internal predecessors, (565), 133 states have call successors, (133), 84 states have call predecessors, (133), 80 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-04-02 03:33:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 826 transitions. [2023-04-02 03:33:44,116 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 826 transitions. Word has length 226 [2023-04-02 03:33:44,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:44,117 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 826 transitions. [2023-04-02 03:33:44,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 826 transitions. [2023-04-02 03:33:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-04-02 03:33:44,123 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:44,123 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:44,136 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 03:33:44,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-04-02 03:33:44,333 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:44,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:44,334 INFO L85 PathProgramCache]: Analyzing trace with hash -465242617, now seen corresponding path program 1 times [2023-04-02 03:33:44,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:44,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521566687] [2023-04-02 03:33:44,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:44,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:33:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:33:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:33:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:33:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:33:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:33:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:33:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:33:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:33:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:33:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:33:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:33:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-02 03:33:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:33:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 03:33:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-02 03:33:45,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:45,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521566687] [2023-04-02 03:33:45,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521566687] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:33:45,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123942938] [2023-04-02 03:33:45,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:45,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:45,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:33:45,421 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 03:33:45,448 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 03:33:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:45,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 2616 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:33:45,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:33:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-04-02 03:33:45,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:33:45,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123942938] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:45,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:33:45,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:33:45,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326567015] [2023-04-02 03:33:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:45,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:33:45,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:33:45,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:33:45,976 INFO L87 Difference]: Start difference. First operand 613 states and 826 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:46,442 INFO L93 Difference]: Finished difference Result 1243 states and 1720 transitions. [2023-04-02 03:33:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:33:46,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 227 [2023-04-02 03:33:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:46,447 INFO L225 Difference]: With dead ends: 1243 [2023-04-02 03:33:46,447 INFO L226 Difference]: Without dead ends: 695 [2023-04-02 03:33:46,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:33:46,449 INFO L413 NwaCegarLoop]: 759 mSDtfsCounter, 51 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1504 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 03:33:46,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1504 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:33:46,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2023-04-02 03:33:46,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 694. [2023-04-02 03:33:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 463 states have (on average 1.4449244060475162) internal successors, (669), 470 states have internal predecessors, (669), 150 states have call successors, (150), 84 states have call predecessors, (150), 80 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2023-04-02 03:33:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 964 transitions. [2023-04-02 03:33:46,894 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 964 transitions. Word has length 227 [2023-04-02 03:33:46,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:46,895 INFO L495 AbstractCegarLoop]: Abstraction has 694 states and 964 transitions. [2023-04-02 03:33:46,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 964 transitions. [2023-04-02 03:33:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-04-02 03:33:46,899 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:46,899 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:46,911 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 03:33:47,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:47,112 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:47,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:47,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1680085135, now seen corresponding path program 1 times [2023-04-02 03:33:47,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:47,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014721971] [2023-04-02 03:33:47,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:47,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:47,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:33:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:33:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:33:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 03:33:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 03:33:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:33:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:33:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:33:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:33:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:33:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:33:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:33:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 03:33:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 03:33:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 03:33:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,257 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-04-02 03:33:48,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:48,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014721971] [2023-04-02 03:33:48,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014721971] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:33:48,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462230344] [2023-04-02 03:33:48,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:48,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:48,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:33:48,261 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 03:33:48,289 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 03:33:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:48,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:33:48,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:33:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-04-02 03:33:48,797 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:33:48,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462230344] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:48,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:33:48,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:33:48,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151795444] [2023-04-02 03:33:48,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:48,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:33:48,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:48,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:33:48,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:33:48,799 INFO L87 Difference]: Start difference. First operand 694 states and 964 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:49,410 INFO L93 Difference]: Finished difference Result 1480 states and 2124 transitions. [2023-04-02 03:33:49,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:33:49,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 228 [2023-04-02 03:33:49,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:49,414 INFO L225 Difference]: With dead ends: 1480 [2023-04-02 03:33:49,414 INFO L226 Difference]: Without dead ends: 851 [2023-04-02 03:33:49,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:33:49,417 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 49 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1500 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 03:33:49,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1500 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:33:49,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2023-04-02 03:33:49,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 850. [2023-04-02 03:33:49,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 587 states have (on average 1.4804088586030664) internal successors, (869), 594 states have internal predecessors, (869), 182 states have call successors, (182), 84 states have call predecessors, (182), 80 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2023-04-02 03:33:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1228 transitions. [2023-04-02 03:33:49,892 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1228 transitions. Word has length 228 [2023-04-02 03:33:49,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:49,892 INFO L495 AbstractCegarLoop]: Abstraction has 850 states and 1228 transitions. [2023-04-02 03:33:49,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:33:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1228 transitions. [2023-04-02 03:33:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-04-02 03:33:49,897 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:49,898 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:49,910 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 03:33:50,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:50,110 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:50,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:50,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1339609521, now seen corresponding path program 1 times [2023-04-02 03:33:50,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:50,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037151682] [2023-04-02 03:33:50,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:50,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:33:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:33:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:50,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:33:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 03:33:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 03:33:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 03:33:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:33:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:33:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:33:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:33:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:33:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:33:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:33:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:33:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 03:33:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 03:33:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-04-02 03:33:51,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:51,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037151682] [2023-04-02 03:33:51,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037151682] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:33:51,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989250812] [2023-04-02 03:33:51,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:51,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:51,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:33:51,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:33:51,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 03:33:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:51,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 2656 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:33:51,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:33:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 03:33:51,882 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:33:51,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989250812] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:51,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:33:51,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [20] total 26 [2023-04-02 03:33:51,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534138878] [2023-04-02 03:33:51,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:51,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:33:51,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:51,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:33:51,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:33:51,884 INFO L87 Difference]: Start difference. First operand 850 states and 1228 transitions. Second operand has 9 states, 7 states have (on average 18.285714285714285) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (52), 3 states have call predecessors, (52), 6 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:33:53,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:53,365 INFO L93 Difference]: Finished difference Result 1678 states and 2436 transitions. [2023-04-02 03:33:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:33:53,366 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 18.285714285714285) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (52), 3 states have call predecessors, (52), 6 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 230 [2023-04-02 03:33:53,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:53,370 INFO L225 Difference]: With dead ends: 1678 [2023-04-02 03:33:53,370 INFO L226 Difference]: Without dead ends: 864 [2023-04-02 03:33:53,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2023-04-02 03:33:53,373 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 707 mSDsluCounter, 3193 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 3950 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:33:53,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 3950 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 03:33:53,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2023-04-02 03:33:53,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2023-04-02 03:33:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 598 states have (on average 1.4816053511705685) internal successors, (886), 606 states have internal predecessors, (886), 182 states have call successors, (182), 86 states have call predecessors, (182), 83 states have return successors, (178), 177 states have call predecessors, (178), 177 states have call successors, (178) [2023-04-02 03:33:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1246 transitions. [2023-04-02 03:33:53,817 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1246 transitions. Word has length 230 [2023-04-02 03:33:53,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:53,817 INFO L495 AbstractCegarLoop]: Abstraction has 864 states and 1246 transitions. [2023-04-02 03:33:53,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 18.285714285714285) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (52), 3 states have call predecessors, (52), 6 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:33:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1246 transitions. [2023-04-02 03:33:53,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-04-02 03:33:53,821 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:53,821 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:53,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 03:33:54,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:54,032 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:54,032 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:54,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1168773287, now seen corresponding path program 1 times [2023-04-02 03:33:54,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:54,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798497161] [2023-04-02 03:33:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:54,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:33:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:33:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:33:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:33:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 03:33:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:33:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 03:33:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:33:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:33:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:33:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:33:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:33:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 03:33:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:33:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:33:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 03:33:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 03:33:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-02 03:33:55,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:55,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798497161] [2023-04-02 03:33:55,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798497161] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:33:55,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440385178] [2023-04-02 03:33:55,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:55,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:55,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:33:55,085 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:33:55,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 03:33:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:55,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 2657 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:33:55,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:33:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-04-02 03:33:55,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:33:55,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440385178] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:55,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:33:55,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 25 [2023-04-02 03:33:55,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45644598] [2023-04-02 03:33:55,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:55,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:33:55,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:55,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:33:55,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-04-02 03:33:55,681 INFO L87 Difference]: Start difference. First operand 864 states and 1246 transitions. Second operand has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-02 03:33:56,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:56,842 INFO L93 Difference]: Finished difference Result 1679 states and 2442 transitions. [2023-04-02 03:33:56,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:33:56,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) Word has length 231 [2023-04-02 03:33:56,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:56,846 INFO L225 Difference]: With dead ends: 1679 [2023-04-02 03:33:56,846 INFO L226 Difference]: Without dead ends: 866 [2023-04-02 03:33:56,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-04-02 03:33:56,850 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 709 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:33:56,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 2749 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 03:33:56,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2023-04-02 03:33:57,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2023-04-02 03:33:57,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 599 states have (on average 1.4808013355592655) internal successors, (887), 608 states have internal predecessors, (887), 182 states have call successors, (182), 86 states have call predecessors, (182), 84 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-04-02 03:33:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1249 transitions. [2023-04-02 03:33:57,359 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1249 transitions. Word has length 231 [2023-04-02 03:33:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:57,360 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1249 transitions. [2023-04-02 03:33:57,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 4 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2023-04-02 03:33:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1249 transitions. [2023-04-02 03:33:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-04-02 03:33:57,364 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:57,364 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:57,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-04-02 03:33:57,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:33:57,574 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:57,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:57,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1695438008, now seen corresponding path program 1 times [2023-04-02 03:33:57,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:57,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750578146] [2023-04-02 03:33:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:33:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:33:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:33:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:33:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 03:33:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:33:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:33:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:33:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:33:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:33:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:33:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:33:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:33:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:33:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 03:33:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 03:33:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-04-02 03:33:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-04-02 03:33:58,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:58,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750578146] [2023-04-02 03:33:58,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750578146] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:58,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:33:58,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:33:58,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180700295] [2023-04-02 03:33:58,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:58,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:33:58,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:58,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:33:58,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:33:58,621 INFO L87 Difference]: Start difference. First operand 866 states and 1249 transitions. Second operand has 20 states, 17 states have (on average 7.235294117647059) internal successors, (123), 9 states have internal predecessors, (123), 7 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 03:34:13,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:34:13,580 INFO L93 Difference]: Finished difference Result 3409 states and 5631 transitions. [2023-04-02 03:34:13,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-02 03:34:13,583 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 7.235294117647059) internal successors, (123), 9 states have internal predecessors, (123), 7 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) Word has length 232 [2023-04-02 03:34:13,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:34:13,597 INFO L225 Difference]: With dead ends: 3409 [2023-04-02 03:34:13,597 INFO L226 Difference]: Without dead ends: 2602 [2023-04-02 03:34:13,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=781, Invalid=3001, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 03:34:13,602 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4905 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 7875 mSolverCounterSat, 2851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4908 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 10726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2851 IncrementalHoareTripleChecker+Valid, 7875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:34:13,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4908 Valid, 83 Invalid, 10726 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2851 Valid, 7875 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2023-04-02 03:34:13,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2023-04-02 03:34:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 876. [2023-04-02 03:34:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 608 states have (on average 1.4786184210526316) internal successors, (899), 616 states have internal predecessors, (899), 182 states have call successors, (182), 88 states have call predecessors, (182), 85 states have return successors, (179), 177 states have call predecessors, (179), 177 states have call successors, (179) [2023-04-02 03:34:14,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1260 transitions. [2023-04-02 03:34:14,244 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1260 transitions. Word has length 232 [2023-04-02 03:34:14,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:34:14,245 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1260 transitions. [2023-04-02 03:34:14,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 7.235294117647059) internal successors, (123), 9 states have internal predecessors, (123), 7 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 03:34:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1260 transitions. [2023-04-02 03:34:14,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-04-02 03:34:14,248 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:34:14,249 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 03:34:14,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:34:14,249 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:34:14,249 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:34:14,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1434268536, now seen corresponding path program 2 times [2023-04-02 03:34:14,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:34:14,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655813339] [2023-04-02 03:34:14,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:34:14,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:34:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:14,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:34:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:34:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:14,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:34:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:14,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:34:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:34:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:34:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:34:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:34:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 03:34:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:34:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:34:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:34:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:34:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:34:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:34:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:34:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:34:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 03:34:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 03:34:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 03:34:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-04-02 03:34:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-02 03:34:15,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:34:15,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655813339] [2023-04-02 03:34:15,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655813339] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:34:15,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:34:15,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-04-02 03:34:15,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985787651] [2023-04-02 03:34:15,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:34:15,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-04-02 03:34:15,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:34:15,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-04-02 03:34:15,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-04-02 03:34:15,262 INFO L87 Difference]: Start difference. First operand 876 states and 1260 transitions. Second operand has 21 states, 18 states have (on average 7.055555555555555) internal successors, (127), 9 states have internal predecessors, (127), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:34:32,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:34:32,288 INFO L93 Difference]: Finished difference Result 3411 states and 5636 transitions. [2023-04-02 03:34:32,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-04-02 03:34:32,289 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 7.055555555555555) internal successors, (127), 9 states have internal predecessors, (127), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 233 [2023-04-02 03:34:32,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:34:32,303 INFO L225 Difference]: With dead ends: 3411 [2023-04-02 03:34:32,304 INFO L226 Difference]: Without dead ends: 2615 [2023-04-02 03:34:32,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=815, Invalid=3345, Unknown=0, NotChecked=0, Total=4160 [2023-04-02 03:34:32,308 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3961 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9801 mSolverCounterSat, 2124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3964 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 11925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2124 IncrementalHoareTripleChecker+Valid, 9801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:34:32,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3964 Valid, 92 Invalid, 11925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2124 Valid, 9801 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2023-04-02 03:34:32,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2615 states. [2023-04-02 03:34:32,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2615 to 881. [2023-04-02 03:34:32,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 610 states have (on average 1.477049180327869) internal successors, (901), 619 states have internal predecessors, (901), 183 states have call successors, (183), 88 states have call predecessors, (183), 87 states have return successors, (182), 179 states have call predecessors, (182), 178 states have call successors, (182) [2023-04-02 03:34:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1266 transitions. [2023-04-02 03:34:32,940 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1266 transitions. Word has length 233 [2023-04-02 03:34:32,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:34:32,940 INFO L495 AbstractCegarLoop]: Abstraction has 881 states and 1266 transitions. [2023-04-02 03:34:32,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 7.055555555555555) internal successors, (127), 9 states have internal predecessors, (127), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:34:32,940 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1266 transitions. [2023-04-02 03:34:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-02 03:34:32,944 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:34:32,944 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:34:32,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:34:32,944 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:34:32,945 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:34:32,945 INFO L85 PathProgramCache]: Analyzing trace with hash 942870627, now seen corresponding path program 1 times [2023-04-02 03:34:32,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:34:32,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23150707] [2023-04-02 03:34:32,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:34:32,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:34:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:34:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:34:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:34:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:34:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:34:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:34:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:34:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:34:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 03:34:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:34:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:34:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:34:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:34:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:34:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:34:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:34:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:34:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:34:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:34:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 03:34:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-04-02 03:34:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-02 03:34:33,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:34:33,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23150707] [2023-04-02 03:34:33,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23150707] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:34:33,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:34:33,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-04-02 03:34:33,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503024144] [2023-04-02 03:34:33,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:34:33,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-04-02 03:34:33,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:34:33,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-04-02 03:34:33,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-04-02 03:34:33,939 INFO L87 Difference]: Start difference. First operand 881 states and 1266 transitions. Second operand has 21 states, 18 states have (on average 7.111111111111111) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:34:50,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:34:50,078 INFO L93 Difference]: Finished difference Result 3411 states and 5635 transitions. [2023-04-02 03:34:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-04-02 03:34:50,079 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 7.111111111111111) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 234 [2023-04-02 03:34:50,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:34:50,091 INFO L225 Difference]: With dead ends: 3411 [2023-04-02 03:34:50,092 INFO L226 Difference]: Without dead ends: 2615 [2023-04-02 03:34:50,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=815, Invalid=3345, Unknown=0, NotChecked=0, Total=4160 [2023-04-02 03:34:50,096 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5965 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9208 mSolverCounterSat, 3414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5968 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 12622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3414 IncrementalHoareTripleChecker+Valid, 9208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:34:50,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5968 Valid, 90 Invalid, 12622 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3414 Valid, 9208 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2023-04-02 03:34:50,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2615 states. [2023-04-02 03:34:50,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2615 to 881. [2023-04-02 03:34:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 610 states have (on average 1.477049180327869) internal successors, (901), 619 states have internal predecessors, (901), 183 states have call successors, (183), 88 states have call predecessors, (183), 87 states have return successors, (182), 179 states have call predecessors, (182), 178 states have call successors, (182) [2023-04-02 03:34:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1266 transitions. [2023-04-02 03:34:50,783 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1266 transitions. Word has length 234 [2023-04-02 03:34:50,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:34:50,783 INFO L495 AbstractCegarLoop]: Abstraction has 881 states and 1266 transitions. [2023-04-02 03:34:50,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 7.111111111111111) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:34:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1266 transitions. [2023-04-02 03:34:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-02 03:34:50,787 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:34:50,787 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:34:50,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:34:50,787 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:34:50,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:34:50,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1451649441, now seen corresponding path program 1 times [2023-04-02 03:34:50,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:34:50,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986144439] [2023-04-02 03:34:50,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:34:50,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:34:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:34:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:34:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:34:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:34:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:34:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:34:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:34:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:34:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 03:34:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:34:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:34:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:34:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:34:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:34:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:34:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:34:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:34:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:34:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:34:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:34:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:34:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:34:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 03:34:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-04-02 03:34:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:34:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-02 03:34:51,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:34:51,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986144439] [2023-04-02 03:34:51,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986144439] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:34:51,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:34:51,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-04-02 03:34:51,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299072407] [2023-04-02 03:34:51,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:34:51,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-04-02 03:34:51,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:34:51,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-04-02 03:34:51,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-04-02 03:34:51,787 INFO L87 Difference]: Start difference. First operand 881 states and 1266 transitions. Second operand has 21 states, 18 states have (on average 7.111111111111111) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:35:09,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:09,549 INFO L93 Difference]: Finished difference Result 3400 states and 5615 transitions. [2023-04-02 03:35:09,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-04-02 03:35:09,549 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 7.111111111111111) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 234 [2023-04-02 03:35:09,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:09,562 INFO L225 Difference]: With dead ends: 3400 [2023-04-02 03:35:09,562 INFO L226 Difference]: Without dead ends: 2604 [2023-04-02 03:35:09,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1178 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=958, Invalid=3598, Unknown=0, NotChecked=0, Total=4556 [2023-04-02 03:35:09,567 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3223 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 9713 mSolverCounterSat, 1832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 11545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1832 IncrementalHoareTripleChecker+Valid, 9713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:09,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 94 Invalid, 11545 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1832 Valid, 9713 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-04-02 03:35:09,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2023-04-02 03:35:10,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 876. [2023-04-02 03:35:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 608 states have (on average 1.4786184210526316) internal successors, (899), 616 states have internal predecessors, (899), 182 states have call successors, (182), 88 states have call predecessors, (182), 85 states have return successors, (178), 177 states have call predecessors, (178), 177 states have call successors, (178) [2023-04-02 03:35:10,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1259 transitions. [2023-04-02 03:35:10,269 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1259 transitions. Word has length 234 [2023-04-02 03:35:10,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:10,270 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1259 transitions. [2023-04-02 03:35:10,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 7.111111111111111) internal successors, (128), 9 states have internal predecessors, (128), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:35:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1259 transitions. [2023-04-02 03:35:10,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-04-02 03:35:10,273 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:10,273 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:35:10,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:35:10,273 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:10,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:10,274 INFO L85 PathProgramCache]: Analyzing trace with hash -94105693, now seen corresponding path program 3 times [2023-04-02 03:35:10,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:10,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705687085] [2023-04-02 03:35:10,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:10,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:10,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:35:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:35:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:35:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:10,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:10,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:10,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:35:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:35:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:35:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 03:35:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:35:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:35:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:35:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:35:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:35:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:35:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:35:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:35:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:35:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:35:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 03:35:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-04-02 03:35:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:35:11,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:11,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705687085] [2023-04-02 03:35:11,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705687085] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:11,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:35:11,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:35:11,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149299521] [2023-04-02 03:35:11,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:11,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:35:11,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:11,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:35:11,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:35:11,236 INFO L87 Difference]: Start difference. First operand 876 states and 1259 transitions. Second operand has 20 states, 17 states have (on average 7.294117647058823) internal successors, (124), 9 states have internal predecessors, (124), 7 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 03:35:26,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:26,839 INFO L93 Difference]: Finished difference Result 3407 states and 5625 transitions. [2023-04-02 03:35:26,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-02 03:35:26,840 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 7.294117647058823) internal successors, (124), 9 states have internal predecessors, (124), 7 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) Word has length 234 [2023-04-02 03:35:26,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:26,850 INFO L225 Difference]: With dead ends: 3407 [2023-04-02 03:35:26,850 INFO L226 Difference]: Without dead ends: 2604 [2023-04-02 03:35:26,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=781, Invalid=3001, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 03:35:26,854 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5253 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 8039 mSolverCounterSat, 3072 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5256 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 11111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3072 IncrementalHoareTripleChecker+Valid, 8039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:26,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5256 Valid, 81 Invalid, 11111 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3072 Valid, 8039 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-04-02 03:35:26,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2023-04-02 03:35:27,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 876. [2023-04-02 03:35:27,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 608 states have (on average 1.4769736842105263) internal successors, (898), 616 states have internal predecessors, (898), 182 states have call successors, (182), 88 states have call predecessors, (182), 85 states have return successors, (178), 177 states have call predecessors, (178), 177 states have call successors, (178) [2023-04-02 03:35:27,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1258 transitions. [2023-04-02 03:35:27,532 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1258 transitions. Word has length 234 [2023-04-02 03:35:27,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:27,532 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1258 transitions. [2023-04-02 03:35:27,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 7.294117647058823) internal successors, (124), 9 states have internal predecessors, (124), 7 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2023-04-02 03:35:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1258 transitions. [2023-04-02 03:35:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 03:35:27,536 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:27,536 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 03:35:27,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:35:27,536 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:27,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:27,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1852428312, now seen corresponding path program 2 times [2023-04-02 03:35:27,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:27,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228331160] [2023-04-02 03:35:27,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:27,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:35:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:35:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:35:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:35:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:35:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:35:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:35:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:35:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:35:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:35:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:35:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:35:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:35:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:35:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:35:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:35:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 03:35:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-02 03:35:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 03:35:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-02 03:35:28,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:28,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228331160] [2023-04-02 03:35:28,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228331160] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:28,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:35:28,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-04-02 03:35:28,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201480401] [2023-04-02 03:35:28,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:28,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-04-02 03:35:28,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:28,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-04-02 03:35:28,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-04-02 03:35:28,477 INFO L87 Difference]: Start difference. First operand 876 states and 1258 transitions. Second operand has 21 states, 18 states have (on average 7.166666666666667) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:35:44,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:35:44,932 INFO L93 Difference]: Finished difference Result 3406 states and 5623 transitions. [2023-04-02 03:35:44,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-02 03:35:44,933 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 7.166666666666667) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 235 [2023-04-02 03:35:44,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:35:44,945 INFO L225 Difference]: With dead ends: 3406 [2023-04-02 03:35:44,945 INFO L226 Difference]: Without dead ends: 2610 [2023-04-02 03:35:44,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=780, Invalid=3126, Unknown=0, NotChecked=0, Total=3906 [2023-04-02 03:35:44,950 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3887 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 9754 mSolverCounterSat, 2276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3890 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 12030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2276 IncrementalHoareTripleChecker+Valid, 9754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:35:44,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3890 Valid, 94 Invalid, 12030 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2276 Valid, 9754 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2023-04-02 03:35:44,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2610 states. [2023-04-02 03:35:45,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2610 to 883. [2023-04-02 03:35:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 611 states have (on average 1.474631751227496) internal successors, (901), 621 states have internal predecessors, (901), 183 states have call successors, (183), 88 states have call predecessors, (183), 88 states have return successors, (184), 179 states have call predecessors, (184), 178 states have call successors, (184) [2023-04-02 03:35:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1268 transitions. [2023-04-02 03:35:45,788 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1268 transitions. Word has length 235 [2023-04-02 03:35:45,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:35:45,788 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1268 transitions. [2023-04-02 03:35:45,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 7.166666666666667) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:35:45,789 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1268 transitions. [2023-04-02 03:35:45,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 03:35:45,791 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:35:45,791 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-04-02 03:35:45,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 03:35:45,792 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:35:45,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:35:45,792 INFO L85 PathProgramCache]: Analyzing trace with hash 444702362, now seen corresponding path program 2 times [2023-04-02 03:35:45,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:35:45,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265889424] [2023-04-02 03:35:45,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:35:45,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:35:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:35:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:35:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:35:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:35:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:35:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:35:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:35:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:35:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:35:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:35:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:35:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:35:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:35:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:35:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:35:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:35:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:35:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:35:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:35:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:35:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:35:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 03:35:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-02 03:35:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 03:35:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:35:46,724 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-02 03:35:46,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:35:46,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265889424] [2023-04-02 03:35:46,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265889424] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:35:46,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:35:46,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-04-02 03:35:46,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342629049] [2023-04-02 03:35:46,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:35:46,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-04-02 03:35:46,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:35:46,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-04-02 03:35:46,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2023-04-02 03:35:46,727 INFO L87 Difference]: Start difference. First operand 883 states and 1268 transitions. Second operand has 21 states, 18 states have (on average 7.166666666666667) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:36:05,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:36:05,257 INFO L93 Difference]: Finished difference Result 3408 states and 5625 transitions. [2023-04-02 03:36:05,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-04-02 03:36:05,258 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 7.166666666666667) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 235 [2023-04-02 03:36:05,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:36:05,268 INFO L225 Difference]: With dead ends: 3408 [2023-04-02 03:36:05,268 INFO L226 Difference]: Without dead ends: 2610 [2023-04-02 03:36:05,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1178 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=958, Invalid=3598, Unknown=0, NotChecked=0, Total=4556 [2023-04-02 03:36:05,272 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4206 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9317 mSolverCounterSat, 2330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4209 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 11647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2330 IncrementalHoareTripleChecker+Valid, 9317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:36:05,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4209 Valid, 92 Invalid, 11647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2330 Valid, 9317 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-04-02 03:36:05,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2610 states. [2023-04-02 03:36:06,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2610 to 878. [2023-04-02 03:36:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 609 states have (on average 1.4761904761904763) internal successors, (899), 618 states have internal predecessors, (899), 182 states have call successors, (182), 88 states have call predecessors, (182), 86 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-04-02 03:36:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1261 transitions. [2023-04-02 03:36:06,039 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1261 transitions. Word has length 235 [2023-04-02 03:36:06,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:36:06,039 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1261 transitions. [2023-04-02 03:36:06,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 7.166666666666667) internal successors, (129), 9 states have internal predecessors, (129), 6 states have call successors, (52), 13 states have call predecessors, (52), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-04-02 03:36:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1261 transitions. [2023-04-02 03:36:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-04-02 03:36:06,042 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:36:06,042 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:36:06,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:36:06,042 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:36:06,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:36:06,042 INFO L85 PathProgramCache]: Analyzing trace with hash -495083448, now seen corresponding path program 1 times [2023-04-02 03:36:06,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:36:06,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983658444] [2023-04-02 03:36:06,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:36:06,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:36:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:36:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:36:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:36:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:36:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:36:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:36:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:36:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:36:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:36:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:36:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:36:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:36:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:36:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:36:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:36:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:36:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:36:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:36:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:36:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:36:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 03:36:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 03:36:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 03:36:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-04-02 03:36:06,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:36:06,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983658444] [2023-04-02 03:36:06,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983658444] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:36:06,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:36:06,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:36:06,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106502215] [2023-04-02 03:36:06,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:36:06,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:36:06,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:36:06,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:36:06,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:36:06,900 INFO L87 Difference]: Start difference. First operand 878 states and 1261 transitions. Second operand has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 7 states have internal predecessors, (125), 5 states have call successors, (52), 14 states have call predecessors, (52), 4 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2023-04-02 03:36:20,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:36:20,775 INFO L93 Difference]: Finished difference Result 3393 states and 5624 transitions. [2023-04-02 03:36:20,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 03:36:20,775 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 7 states have internal predecessors, (125), 5 states have call successors, (52), 14 states have call predecessors, (52), 4 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) Word has length 236 [2023-04-02 03:36:20,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:36:20,787 INFO L225 Difference]: With dead ends: 3393 [2023-04-02 03:36:20,788 INFO L226 Difference]: Without dead ends: 2602 [2023-04-02 03:36:20,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=576, Invalid=1776, Unknown=0, NotChecked=0, Total=2352 [2023-04-02 03:36:20,792 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 6930 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 4947 mSolverCounterSat, 3821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6930 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 8768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3821 IncrementalHoareTripleChecker+Valid, 4947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:36:20,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6930 Valid, 45 Invalid, 8768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3821 Valid, 4947 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-04-02 03:36:20,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2023-04-02 03:36:21,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 878. [2023-04-02 03:36:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 609 states have (on average 1.4745484400656814) internal successors, (898), 618 states have internal predecessors, (898), 182 states have call successors, (182), 88 states have call predecessors, (182), 86 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-04-02 03:36:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1260 transitions. [2023-04-02 03:36:21,628 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1260 transitions. Word has length 236 [2023-04-02 03:36:21,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:36:21,628 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1260 transitions. [2023-04-02 03:36:21,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 7 states have internal predecessors, (125), 5 states have call successors, (52), 14 states have call predecessors, (52), 4 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2023-04-02 03:36:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1260 transitions. [2023-04-02 03:36:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-04-02 03:36:21,630 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:36:21,631 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:36:21,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:36:21,631 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:36:21,631 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:36:21,631 INFO L85 PathProgramCache]: Analyzing trace with hash 257633230, now seen corresponding path program 1 times [2023-04-02 03:36:21,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:36:21,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818093226] [2023-04-02 03:36:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:36:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:36:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:36:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:36:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:36:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:36:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:36:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:36:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:36:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:36:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:36:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:36:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:36:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:36:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:36:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:36:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:36:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:36:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:36:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:36:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 03:36:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-02 03:36:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 03:36:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-04-02 03:36:22,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:36:22,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818093226] [2023-04-02 03:36:22,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818093226] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:36:22,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:36:22,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:36:22,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330766080] [2023-04-02 03:36:22,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:36:22,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:36:22,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:36:22,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:36:22,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:36:22,312 INFO L87 Difference]: Start difference. First operand 878 states and 1260 transitions. Second operand has 13 states, 13 states have (on average 9.846153846153847) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:36:35,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:36:35,068 INFO L93 Difference]: Finished difference Result 3644 states and 6077 transitions. [2023-04-02 03:36:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-02 03:36:35,069 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.846153846153847) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 235 [2023-04-02 03:36:35,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:36:35,080 INFO L225 Difference]: With dead ends: 3644 [2023-04-02 03:36:35,080 INFO L226 Difference]: Without dead ends: 2855 [2023-04-02 03:36:35,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=353, Invalid=837, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 03:36:35,085 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3600 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2946 mSolverCounterSat, 1708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3651 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 4654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1708 IncrementalHoareTripleChecker+Valid, 2946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:36:35,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3651 Valid, 30 Invalid, 4654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1708 Valid, 2946 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-04-02 03:36:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states. [2023-04-02 03:36:36,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 1178. [2023-04-02 03:36:36,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 849 states have (on average 1.5100117785630154) internal successors, (1282), 858 states have internal predecessors, (1282), 242 states have call successors, (242), 88 states have call predecessors, (242), 86 states have return successors, (240), 237 states have call predecessors, (240), 237 states have call successors, (240) [2023-04-02 03:36:36,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1764 transitions. [2023-04-02 03:36:36,415 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1764 transitions. Word has length 235 [2023-04-02 03:36:36,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:36:36,415 INFO L495 AbstractCegarLoop]: Abstraction has 1178 states and 1764 transitions. [2023-04-02 03:36:36,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.846153846153847) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (50), 12 states have call predecessors, (50), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-02 03:36:36,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1764 transitions. [2023-04-02 03:36:36,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-04-02 03:36:36,419 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:36:36,419 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:36:36,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:36:36,419 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:36:36,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:36:36,419 INFO L85 PathProgramCache]: Analyzing trace with hash 223914240, now seen corresponding path program 1 times [2023-04-02 03:36:36,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:36:36,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751361825] [2023-04-02 03:36:36,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:36:36,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:36:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:36:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:36:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:36:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:36:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:36:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:36:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:36:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:36:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:36:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:36:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:36:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:36:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:36:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:36:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:36:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:36:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:36:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:36:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:36:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:36:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:36:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:36:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 03:36:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 03:36:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 03:36:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-04-02 03:36:37,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:36:37,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751361825] [2023-04-02 03:36:37,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751361825] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:36:37,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778003883] [2023-04-02 03:36:37,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:36:37,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:36:37,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:36:37,285 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:36:37,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 03:36:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:36:37,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 2663 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:36:37,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:36:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-04-02 03:36:37,747 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:36:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-04-02 03:36:37,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778003883] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:36:37,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:36:37,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 4, 4] total 18 [2023-04-02 03:36:37,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384939576] [2023-04-02 03:36:37,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:36:37,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:36:37,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:36:37,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:36:37,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:36:37,949 INFO L87 Difference]: Start difference. First operand 1178 states and 1764 transitions. Second operand has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 7 states have internal predecessors, (200), 5 states have call successors, (92), 13 states have call predecessors, (92), 2 states have return successors, (55), 4 states have call predecessors, (55), 5 states have call successors, (55)