/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_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:42:12,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:42:12,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:42:12,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:42:12,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:42:12,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:42:12,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:42:12,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:42:12,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:42:12,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:42:12,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:42:12,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:42:12,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:42:12,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:42:12,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:42:12,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:42:12,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:42:12,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:42:12,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:42:12,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:42:12,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:42:12,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:42:12,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:42:12,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:42:12,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:42:12,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:42:12,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:42:12,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:42:12,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:42:12,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:42:12,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:42:12,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:42:12,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:42:12,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:42:12,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:42:12,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:42:12,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:42:12,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:42:12,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:42:12,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:42:12,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:42:12,477 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 03:42:12,502 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:42:12,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:42:12,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:42:12,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:42:12,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:42:12,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:42:12,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:42:12,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:42:12,505 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:42:12,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:42:12,505 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:42:12,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:42:12,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:42:12,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:42:12,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:42:12,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:42:12,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:42:12,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:42:12,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:42:12,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:42:12,507 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:42:12,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:42:12,507 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:42:12,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:42:12,507 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:42:12,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:42:12,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:42:12,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:42:12,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:42:12,725 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:42:12,725 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:42:12,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product29.cil.c [2023-04-02 03:42:13,759 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:42:13,993 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:42:13,993 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product29.cil.c [2023-04-02 03:42:14,008 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6df151d/684e6fcd42444fb389e8a5f868c4d048/FLAG1bf11b14c [2023-04-02 03:42:14,019 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f6df151d/684e6fcd42444fb389e8a5f868c4d048 [2023-04-02 03:42:14,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:42:14,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:42:14,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:42:14,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:42:14,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:42:14,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490d2646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14, skipping insertion in model container [2023-04-02 03:42:14,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:42:14,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:42:14,474 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_spec4_product29.cil.c[58438,58451] [2023-04-02 03:42:14,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:42:14,520 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:42:14,596 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_spec4_product29.cil.c[58438,58451] [2023-04-02 03:42:14,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:42:14,628 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:42:14,635 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:42:14,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14 WrapperNode [2023-04-02 03:42:14,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:42:14,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:42:14,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:42:14,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:42:14,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,737 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:42:14,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:42:14,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:42:14,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:42:14,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (1/1) ... [2023-04-02 03:42:14,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:42:14,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:42:14,788 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 03:42:14,795 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 03:42:14,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:42:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:42:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:42:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:42:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:42:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:42:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:42:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:42:14,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-02 03:42:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:42:14,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:42:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:42:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:42:14,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:42:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:42:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:42:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:42:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:42:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:42:14,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:42:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:42:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:42:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:42:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:42:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:42:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:42:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:42:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:42:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:42:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:42:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:42:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:42:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:42:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:42:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:42:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:42:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:42:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:42:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:42:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:42:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:42:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:42:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:42:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:42:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:42:14,842 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:42:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:42:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:42:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:42:14,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:42:15,129 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:42:15,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:42:15,949 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:42:15,974 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:42:15,974 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:42:15,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:42:15 BoogieIcfgContainer [2023-04-02 03:42:15,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:42:15,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:42:15,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:42:15,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:42:15,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:42:14" (1/3) ... [2023-04-02 03:42:15,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49969bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:42:15, skipping insertion in model container [2023-04-02 03:42:15,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:42:14" (2/3) ... [2023-04-02 03:42:15,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49969bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:42:15, skipping insertion in model container [2023-04-02 03:42:15,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:42:15" (3/3) ... [2023-04-02 03:42:15,990 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product29.cil.c [2023-04-02 03:42:16,002 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:42:16,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:42:16,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:42:16,054 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;@997a8e1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:42:16,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:42:16,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 602 states, 394 states have (on average 1.4517766497461928) internal successors, (572), 403 states have internal predecessors, (572), 122 states have call successors, (122), 76 states have call predecessors, (122), 76 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) [2023-04-02 03:42:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-04-02 03:42:16,105 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:16,106 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:42:16,107 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:16,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:16,112 INFO L85 PathProgramCache]: Analyzing trace with hash -98295676, now seen corresponding path program 1 times [2023-04-02 03:42:16,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:16,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810914261] [2023-04-02 03:42:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:16,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:16,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:16,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:16,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:42:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:16,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:42:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:16,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:42:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:42:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:42:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:42:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:42:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:42:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:42:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:42:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:42:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:42:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:42:17,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:17,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810914261] [2023-04-02 03:42:17,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810914261] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:17,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:42:17,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 03:42:17,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747710488] [2023-04-02 03:42:17,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:17,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:42:17,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:17,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:42:17,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-02 03:42:17,209 INFO L87 Difference]: Start difference. First operand has 602 states, 394 states have (on average 1.4517766497461928) internal successors, (572), 403 states have internal predecessors, (572), 122 states have call successors, (122), 76 states have call predecessors, (122), 76 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) Second operand has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:42:26,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:26,026 INFO L93 Difference]: Finished difference Result 1362 states and 2117 transitions. [2023-04-02 03:42:26,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 03:42:26,028 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 173 [2023-04-02 03:42:26,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:26,051 INFO L225 Difference]: With dead ends: 1362 [2023-04-02 03:42:26,053 INFO L226 Difference]: Without dead ends: 918 [2023-04-02 03:42:26,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2023-04-02 03:42:26,064 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2956 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 1579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3001 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 3484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1579 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:42:26,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3001 Valid, 102 Invalid, 3484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1579 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-04-02 03:42:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2023-04-02 03:42:26,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 545. [2023-04-02 03:42:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 363 states have (on average 1.4683195592286502) internal successors, (533), 369 states have internal predecessors, (533), 110 states have call successors, (110), 75 states have call predecessors, (110), 71 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-04-02 03:42:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 748 transitions. [2023-04-02 03:42:26,376 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 748 transitions. Word has length 173 [2023-04-02 03:42:26,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:42:26,376 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 748 transitions. [2023-04-02 03:42:26,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:42:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 748 transitions. [2023-04-02 03:42:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-04-02 03:42:26,380 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:26,381 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:42:26,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:42:26,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:26,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:26,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1013813613, now seen corresponding path program 1 times [2023-04-02 03:42:26,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:26,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851436141] [2023-04-02 03:42:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:26,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:42:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:42:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:42:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:42:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:42:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:42:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:42:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:42:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:42:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:42:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:42:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:42:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:42:27,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:27,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851436141] [2023-04-02 03:42:27,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851436141] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:42:27,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557202373] [2023-04-02 03:42:27,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:27,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:42:27,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:42:27,410 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 03:42:27,426 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 03:42:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:27,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 2380 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:42:27,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:42:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:42:27,913 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:42:27,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557202373] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:27,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:42:27,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:42:27,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059913638] [2023-04-02 03:42:27,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:27,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:42:27,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:27,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:42:27,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:42:27,920 INFO L87 Difference]: Start difference. First operand 545 states and 748 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:42:28,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:28,192 INFO L93 Difference]: Finished difference Result 828 states and 1118 transitions. [2023-04-02 03:42:28,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:42:28,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 174 [2023-04-02 03:42:28,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:28,197 INFO L225 Difference]: With dead ends: 828 [2023-04-02 03:42:28,197 INFO L226 Difference]: Without dead ends: 548 [2023-04-02 03:42:28,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:42:28,199 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 1 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1490 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 03:42:28,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1490 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:42:28,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2023-04-02 03:42:28,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 547. [2023-04-02 03:42:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 365 states have (on average 1.4657534246575343) internal successors, (535), 371 states have internal predecessors, (535), 110 states have call successors, (110), 75 states have call predecessors, (110), 71 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-04-02 03:42:28,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 750 transitions. [2023-04-02 03:42:28,457 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 750 transitions. Word has length 174 [2023-04-02 03:42:28,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:42:28,458 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 750 transitions. [2023-04-02 03:42:28,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:42:28,458 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 750 transitions. [2023-04-02 03:42:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 03:42:28,462 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:28,462 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:42:28,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 03:42:28,670 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 03:42:28,671 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:28,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:28,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1706351745, now seen corresponding path program 1 times [2023-04-02 03:42:28,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:28,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375268412] [2023-04-02 03:42:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:42:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:42:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:42:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:42:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:42:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:42:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:42:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:42:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:42:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:42:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:42:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:42:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:42:29,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:29,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375268412] [2023-04-02 03:42:29,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375268412] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:42:29,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845230842] [2023-04-02 03:42:29,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:29,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:42:29,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:42:29,564 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 03:42:29,596 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 03:42:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:29,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:42:29,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:42:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:42:30,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:42:30,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845230842] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:30,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:42:30,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 03:42:30,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212690577] [2023-04-02 03:42:30,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:30,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:42:30,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:30,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:42:30,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:42:30,005 INFO L87 Difference]: Start difference. First operand 547 states and 750 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:42:30,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:30,270 INFO L93 Difference]: Finished difference Result 1070 states and 1498 transitions. [2023-04-02 03:42:30,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:42:30,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 180 [2023-04-02 03:42:30,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:30,274 INFO L225 Difference]: With dead ends: 1070 [2023-04-02 03:42:30,274 INFO L226 Difference]: Without dead ends: 588 [2023-04-02 03:42:30,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:42:30,277 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 52 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1498 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 03:42:30,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1498 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:42:30,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2023-04-02 03:42:30,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 587. [2023-04-02 03:42:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 397 states have (on average 1.4811083123425692) internal successors, (588), 403 states have internal predecessors, (588), 118 states have call successors, (118), 75 states have call predecessors, (118), 71 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2023-04-02 03:42:30,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 819 transitions. [2023-04-02 03:42:30,520 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 819 transitions. Word has length 180 [2023-04-02 03:42:30,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:42:30,520 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 819 transitions. [2023-04-02 03:42:30,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:42:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 819 transitions. [2023-04-02 03:42:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-02 03:42:30,522 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:30,523 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:42:30,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-02 03:42:30,730 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 03:42:30,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:30,731 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:30,731 INFO L85 PathProgramCache]: Analyzing trace with hash 980372590, now seen corresponding path program 1 times [2023-04-02 03:42:30,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:30,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315479182] [2023-04-02 03:42:30,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:30,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:42:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:42:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:42:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:42:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:42:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:42:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:42:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:42:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:42:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:42:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:42:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 03:42:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:42:31,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:31,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315479182] [2023-04-02 03:42:31,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315479182] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:42:31,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437450796] [2023-04-02 03:42:31,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:31,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:42:31,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:42:31,599 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 03:42:31,628 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 03:42:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:32,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 2397 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:42:32,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:42:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 03:42:32,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:42:32,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437450796] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:32,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:42:32,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-04-02 03:42:32,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441282735] [2023-04-02 03:42:32,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:32,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:42:32,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:32,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:42:32,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:42:32,192 INFO L87 Difference]: Start difference. First operand 587 states and 819 transitions. Second operand has 9 states, 7 states have (on average 15.0) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:42:33,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:33,054 INFO L93 Difference]: Finished difference Result 1152 states and 1618 transitions. [2023-04-02 03:42:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:42:33,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.0) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 181 [2023-04-02 03:42:33,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:33,058 INFO L225 Difference]: With dead ends: 1152 [2023-04-02 03:42:33,059 INFO L226 Difference]: Without dead ends: 601 [2023-04-02 03:42:33,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-04-02 03:42:33,062 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 711 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 3910 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:42:33,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 3910 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 03:42:33,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2023-04-02 03:42:33,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2023-04-02 03:42:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 408 states have (on average 1.482843137254902) internal successors, (605), 415 states have internal predecessors, (605), 118 states have call successors, (118), 77 states have call predecessors, (118), 74 states have return successors, (114), 112 states have call predecessors, (114), 113 states have call successors, (114) [2023-04-02 03:42:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 837 transitions. [2023-04-02 03:42:33,300 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 837 transitions. Word has length 181 [2023-04-02 03:42:33,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:42:33,300 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 837 transitions. [2023-04-02 03:42:33,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.0) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:42:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 837 transitions. [2023-04-02 03:42:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-02 03:42:33,302 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:33,303 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:42:33,311 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 03:42:33,510 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 03:42:33,511 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:33,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:33,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1961174194, now seen corresponding path program 1 times [2023-04-02 03:42:33,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:33,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938734727] [2023-04-02 03:42:33,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:33,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:42:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:42:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:42:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:42:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 03:42:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:42:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:42:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:42:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:42:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:42:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:42:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:42:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:42:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:42:34,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:34,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938734727] [2023-04-02 03:42:34,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938734727] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:42:34,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912374106] [2023-04-02 03:42:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:34,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:42:34,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:42:34,385 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 03:42:34,427 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 03:42:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:34,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 2398 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:42:34,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:42:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 03:42:34,880 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:42:34,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912374106] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:34,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:42:34,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-04-02 03:42:34,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029457812] [2023-04-02 03:42:34,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:34,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:42:34,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:34,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:42:34,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:42:34,882 INFO L87 Difference]: Start difference. First operand 601 states and 837 transitions. Second operand has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 03:42:35,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:35,584 INFO L93 Difference]: Finished difference Result 1153 states and 1622 transitions. [2023-04-02 03:42:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:42:35,584 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) Word has length 182 [2023-04-02 03:42:35,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:35,587 INFO L225 Difference]: With dead ends: 1153 [2023-04-02 03:42:35,587 INFO L226 Difference]: Without dead ends: 603 [2023-04-02 03:42:35,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-04-02 03:42:35,588 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 698 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:42:35,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 2974 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 03:42:35,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2023-04-02 03:42:35,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2023-04-02 03:42:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 409 states have (on average 1.4816625916870416) internal successors, (606), 417 states have internal predecessors, (606), 118 states have call successors, (118), 77 states have call predecessors, (118), 75 states have return successors, (116), 112 states have call predecessors, (116), 113 states have call successors, (116) [2023-04-02 03:42:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 840 transitions. [2023-04-02 03:42:35,822 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 840 transitions. Word has length 182 [2023-04-02 03:42:35,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:42:35,822 INFO L495 AbstractCegarLoop]: Abstraction has 603 states and 840 transitions. [2023-04-02 03:42:35,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 03:42:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 840 transitions. [2023-04-02 03:42:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-04-02 03:42:35,824 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:35,824 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:42:35,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-04-02 03:42:36,032 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 03:42:36,032 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:36,033 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:36,033 INFO L85 PathProgramCache]: Analyzing trace with hash 2119195107, now seen corresponding path program 1 times [2023-04-02 03:42:36,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:36,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495997095] [2023-04-02 03:42:36,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:36,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:42:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:42:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:42:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:42:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 03:42:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:42:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:42:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:42:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:42:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:42:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:42:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:42:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:42:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 03:42:36,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:36,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495997095] [2023-04-02 03:42:36,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495997095] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:36,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:42:36,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:42:36,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506544407] [2023-04-02 03:42:36,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:36,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:42:36,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:36,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:42:36,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:42:36,837 INFO L87 Difference]: Start difference. First operand 603 states and 840 transitions. Second operand has 18 states, 15 states have (on average 6.666666666666667) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:42:48,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:48,946 INFO L93 Difference]: Finished difference Result 1620 states and 2433 transitions. [2023-04-02 03:42:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 03:42:48,946 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.666666666666667) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 183 [2023-04-02 03:42:48,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:48,953 INFO L225 Difference]: With dead ends: 1620 [2023-04-02 03:42:48,953 INFO L226 Difference]: Without dead ends: 1076 [2023-04-02 03:42:48,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 03:42:48,955 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2909 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8791 mSolverCounterSat, 1339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2912 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 10130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1339 IncrementalHoareTripleChecker+Valid, 8791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:42:48,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2912 Valid, 79 Invalid, 10130 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1339 Valid, 8791 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-04-02 03:42:48,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2023-04-02 03:42:49,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 613. [2023-04-02 03:42:49,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 418 states have (on average 1.4784688995215312) internal successors, (618), 425 states have internal predecessors, (618), 118 states have call successors, (118), 79 states have call predecessors, (118), 76 states have return successors, (115), 112 states have call predecessors, (115), 113 states have call successors, (115) [2023-04-02 03:42:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 851 transitions. [2023-04-02 03:42:49,220 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 851 transitions. Word has length 183 [2023-04-02 03:42:49,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:42:49,220 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 851 transitions. [2023-04-02 03:42:49,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.666666666666667) internal successors, (100), 9 states have internal predecessors, (100), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:42:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 851 transitions. [2023-04-02 03:42:49,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-04-02 03:42:49,222 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:49,222 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:42:49,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:42:49,223 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:49,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:49,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2025136943, now seen corresponding path program 2 times [2023-04-02 03:42:49,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:49,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140058250] [2023-04-02 03:42:49,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:49,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:42:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:42:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:42:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:42:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:42:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:42:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 03:42:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:42:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:42:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:42:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:42:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:42:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:42:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:42:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:42:49,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:49,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140058250] [2023-04-02 03:42:49,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140058250] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:49,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:42:49,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:42:49,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296957701] [2023-04-02 03:42:49,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:49,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:42:49,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:49,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:42:49,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:42:49,995 INFO L87 Difference]: Start difference. First operand 613 states and 851 transitions. Second operand has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:43:02,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:43:02,672 INFO L93 Difference]: Finished difference Result 1622 states and 2438 transitions. [2023-04-02 03:43:02,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:43:02,673 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 184 [2023-04-02 03:43:02,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:43:02,677 INFO L225 Difference]: With dead ends: 1622 [2023-04-02 03:43:02,677 INFO L226 Difference]: Without dead ends: 1089 [2023-04-02 03:43:02,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 03:43:02,679 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2528 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9358 mSolverCounterSat, 1301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2531 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 10659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1301 IncrementalHoareTripleChecker+Valid, 9358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:43:02,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2531 Valid, 90 Invalid, 10659 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1301 Valid, 9358 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-04-02 03:43:02,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-04-02 03:43:02,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 618. [2023-04-02 03:43:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 420 states have (on average 1.4761904761904763) internal successors, (620), 428 states have internal predecessors, (620), 119 states have call successors, (119), 79 states have call predecessors, (119), 78 states have return successors, (118), 114 states have call predecessors, (118), 114 states have call successors, (118) [2023-04-02 03:43:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 857 transitions. [2023-04-02 03:43:02,961 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 857 transitions. Word has length 184 [2023-04-02 03:43:02,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:43:02,961 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 857 transitions. [2023-04-02 03:43:02,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:43:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 857 transitions. [2023-04-02 03:43:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-04-02 03:43:02,963 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:43:02,963 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:43:02,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 03:43:02,964 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:43:02,964 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:43:02,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1246778088, now seen corresponding path program 1 times [2023-04-02 03:43:02,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:43:02,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580152600] [2023-04-02 03:43:02,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:43:02,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:43:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:43:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:43:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:43:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:43:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:43:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:43:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:43:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:43:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:43:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:43:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:43:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:43:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:43:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:43:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:43:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:43:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:43:03,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:43:03,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580152600] [2023-04-02 03:43:03,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580152600] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:43:03,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:43:03,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:43:03,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437846605] [2023-04-02 03:43:03,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:43:03,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:43:03,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:43:03,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:43:03,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:43:03,783 INFO L87 Difference]: Start difference. First operand 618 states and 857 transitions. Second operand has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:43:16,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:43:16,394 INFO L93 Difference]: Finished difference Result 1622 states and 2437 transitions. [2023-04-02 03:43:16,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 03:43:16,395 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 185 [2023-04-02 03:43:16,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:43:16,399 INFO L225 Difference]: With dead ends: 1622 [2023-04-02 03:43:16,399 INFO L226 Difference]: Without dead ends: 1089 [2023-04-02 03:43:16,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 03:43:16,401 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2774 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9229 mSolverCounterSat, 1421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 10650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1421 IncrementalHoareTripleChecker+Valid, 9229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:43:16,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2777 Valid, 88 Invalid, 10650 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1421 Valid, 9229 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-04-02 03:43:16,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-04-02 03:43:16,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 618. [2023-04-02 03:43:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 420 states have (on average 1.4761904761904763) internal successors, (620), 428 states have internal predecessors, (620), 119 states have call successors, (119), 79 states have call predecessors, (119), 78 states have return successors, (118), 114 states have call predecessors, (118), 114 states have call successors, (118) [2023-04-02 03:43:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 857 transitions. [2023-04-02 03:43:16,688 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 857 transitions. Word has length 185 [2023-04-02 03:43:16,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:43:16,688 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 857 transitions. [2023-04-02 03:43:16,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:43:16,688 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 857 transitions. [2023-04-02 03:43:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-04-02 03:43:16,689 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:43:16,690 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:43:16,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:43:16,690 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:43:16,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:43:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash -475224598, now seen corresponding path program 1 times [2023-04-02 03:43:16,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:43:16,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629161777] [2023-04-02 03:43:16,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:43:16,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:43:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:43:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:43:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:43:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:43:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:43:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:43:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:43:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:43:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:43:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:43:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:43:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:43:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:43:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:43:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:43:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:43:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:43:17,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:43:17,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629161777] [2023-04-02 03:43:17,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629161777] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:43:17,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:43:17,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:43:17,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710379750] [2023-04-02 03:43:17,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:43:17,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:43:17,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:43:17,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:43:17,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:43:17,478 INFO L87 Difference]: Start difference. First operand 618 states and 857 transitions. Second operand has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:43:31,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:43:31,834 INFO L93 Difference]: Finished difference Result 1611 states and 2417 transitions. [2023-04-02 03:43:31,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:43:31,835 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 185 [2023-04-02 03:43:31,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:43:31,839 INFO L225 Difference]: With dead ends: 1611 [2023-04-02 03:43:31,839 INFO L226 Difference]: Without dead ends: 1078 [2023-04-02 03:43:31,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=655, Invalid=2425, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:43:31,842 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3745 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9156 mSolverCounterSat, 1773 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3748 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 10929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1773 IncrementalHoareTripleChecker+Valid, 9156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:43:31,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3748 Valid, 88 Invalid, 10929 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1773 Valid, 9156 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-04-02 03:43:31,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2023-04-02 03:43:32,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 613. [2023-04-02 03:43:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 418 states have (on average 1.4784688995215312) internal successors, (618), 425 states have internal predecessors, (618), 118 states have call successors, (118), 79 states have call predecessors, (118), 76 states have return successors, (114), 112 states have call predecessors, (114), 113 states have call successors, (114) [2023-04-02 03:43:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 850 transitions. [2023-04-02 03:43:32,146 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 850 transitions. Word has length 185 [2023-04-02 03:43:32,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:43:32,146 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 850 transitions. [2023-04-02 03:43:32,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:43:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 850 transitions. [2023-04-02 03:43:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-04-02 03:43:32,148 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:43:32,148 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:43:32,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:43:32,148 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:43:32,148 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:43:32,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1232006468, now seen corresponding path program 3 times [2023-04-02 03:43:32,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:43:32,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917674148] [2023-04-02 03:43:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:43:32,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:43:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:43:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:43:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:43:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:43:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:43:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:43:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:43:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:43:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:43:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:43:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:43:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:43:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:43:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:43:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:43:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:43:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:43:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-04-02 03:43:32,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:43:32,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917674148] [2023-04-02 03:43:32,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917674148] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:43:32,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:43:32,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-04-02 03:43:32,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622973447] [2023-04-02 03:43:32,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:43:32,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-04-02 03:43:32,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:43:32,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-04-02 03:43:32,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:43:32,960 INFO L87 Difference]: Start difference. First operand 613 states and 850 transitions. Second operand has 18 states, 15 states have (on average 6.733333333333333) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:43:45,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:43:45,506 INFO L93 Difference]: Finished difference Result 1618 states and 2427 transitions. [2023-04-02 03:43:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 03:43:45,507 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.733333333333333) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 185 [2023-04-02 03:43:45,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:43:45,512 INFO L225 Difference]: With dead ends: 1618 [2023-04-02 03:43:45,512 INFO L226 Difference]: Without dead ends: 1078 [2023-04-02 03:43:45,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-04-02 03:43:45,515 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2739 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 8233 mSolverCounterSat, 1376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 9609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1376 IncrementalHoareTripleChecker+Valid, 8233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:43:45,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 81 Invalid, 9609 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1376 Valid, 8233 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-04-02 03:43:45,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2023-04-02 03:43:45,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 613. [2023-04-02 03:43:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 418 states have (on average 1.4760765550239234) internal successors, (617), 425 states have internal predecessors, (617), 118 states have call successors, (118), 79 states have call predecessors, (118), 76 states have return successors, (114), 112 states have call predecessors, (114), 113 states have call successors, (114) [2023-04-02 03:43:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 849 transitions. [2023-04-02 03:43:45,957 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 849 transitions. Word has length 185 [2023-04-02 03:43:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:43:45,957 INFO L495 AbstractCegarLoop]: Abstraction has 613 states and 849 transitions. [2023-04-02 03:43:45,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.733333333333333) internal successors, (101), 9 states have internal predecessors, (101), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 03:43:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 849 transitions. [2023-04-02 03:43:45,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-02 03:43:45,959 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:43:45,959 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:43:45,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:43:45,959 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:43:45,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:43:45,960 INFO L85 PathProgramCache]: Analyzing trace with hash 408672803, now seen corresponding path program 2 times [2023-04-02 03:43:45,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:43:45,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116211111] [2023-04-02 03:43:45,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:43:45,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:43:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:43:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:43:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:43:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:43:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:43:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:43:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:43:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:43:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:43:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:43:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:43:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:43:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:43:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:43:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:43:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:43:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:43:46,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:43:46,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116211111] [2023-04-02 03:43:46,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116211111] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:43:46,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:43:46,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:43:46,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219323781] [2023-04-02 03:43:46,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:43:46,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:43:46,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:43:46,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:43:46,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:43:46,789 INFO L87 Difference]: Start difference. First operand 613 states and 849 transitions. Second operand has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:43:58,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:43:58,801 INFO L93 Difference]: Finished difference Result 1617 states and 2425 transitions. [2023-04-02 03:43:58,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-04-02 03:43:58,802 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 186 [2023-04-02 03:43:58,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:43:58,806 INFO L225 Difference]: With dead ends: 1617 [2023-04-02 03:43:58,806 INFO L226 Difference]: Without dead ends: 1084 [2023-04-02 03:43:58,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=518, Invalid=2032, Unknown=0, NotChecked=0, Total=2550 [2023-04-02 03:43:58,808 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5025 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 8980 mSolverCounterSat, 2603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5028 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 11583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2603 IncrementalHoareTripleChecker+Valid, 8980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:43:58,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5028 Valid, 86 Invalid, 11583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2603 Valid, 8980 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 03:43:58,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-04-02 03:43:59,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 620. [2023-04-02 03:43:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 421 states have (on average 1.4726840855106889) internal successors, (620), 430 states have internal predecessors, (620), 119 states have call successors, (119), 79 states have call predecessors, (119), 79 states have return successors, (120), 114 states have call predecessors, (120), 114 states have call successors, (120) [2023-04-02 03:43:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 859 transitions. [2023-04-02 03:43:59,125 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 859 transitions. Word has length 186 [2023-04-02 03:43:59,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:43:59,125 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 859 transitions. [2023-04-02 03:43:59,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:43:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 859 transitions. [2023-04-02 03:43:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-02 03:43:59,127 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:43:59,127 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:43:59,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:43:59,127 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:43:59,127 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:43:59,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1433802911, now seen corresponding path program 2 times [2023-04-02 03:43:59,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:43:59,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747472367] [2023-04-02 03:43:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:43:59,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:43:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:43:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:43:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:43:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:43:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:43:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:43:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:43:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:43:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:43:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:43:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:43:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:43:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:43:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:43:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:43:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:43:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:43:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:43:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:43:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:43:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 03:43:59,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:43:59,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747472367] [2023-04-02 03:43:59,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747472367] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:43:59,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:43:59,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:43:59,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963796210] [2023-04-02 03:43:59,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:43:59,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:43:59,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:43:59,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:43:59,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:43:59,869 INFO L87 Difference]: Start difference. First operand 620 states and 859 transitions. Second operand has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:44:13,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:44:13,697 INFO L93 Difference]: Finished difference Result 1619 states and 2427 transitions. [2023-04-02 03:44:13,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:44:13,698 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 186 [2023-04-02 03:44:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:44:13,701 INFO L225 Difference]: With dead ends: 1619 [2023-04-02 03:44:13,702 INFO L226 Difference]: Without dead ends: 1084 [2023-04-02 03:44:13,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=655, Invalid=2425, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:44:13,704 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3964 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9577 mSolverCounterSat, 1821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3967 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 11398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1821 IncrementalHoareTripleChecker+Valid, 9577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:44:13,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3967 Valid, 90 Invalid, 11398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1821 Valid, 9577 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-04-02 03:44:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1084 states. [2023-04-02 03:44:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1084 to 615. [2023-04-02 03:44:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 419 states have (on average 1.4749403341288783) internal successors, (618), 427 states have internal predecessors, (618), 118 states have call successors, (118), 79 states have call predecessors, (118), 77 states have return successors, (116), 112 states have call predecessors, (116), 113 states have call successors, (116) [2023-04-02 03:44:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 852 transitions. [2023-04-02 03:44:14,030 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 852 transitions. Word has length 186 [2023-04-02 03:44:14,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:44:14,030 INFO L495 AbstractCegarLoop]: Abstraction has 615 states and 852 transitions. [2023-04-02 03:44:14,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 03:44:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 852 transitions. [2023-04-02 03:44:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-04-02 03:44:14,032 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:44:14,032 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-04-02 03:44:14,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:44:14,032 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:44:14,033 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:44:14,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1311286883, now seen corresponding path program 1 times [2023-04-02 03:44:14,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:44:14,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212132123] [2023-04-02 03:44:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:44:14,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:44:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:44:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:44:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:44:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:44:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:44:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:44:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:44:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:44:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:44:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:44:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:44:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:44:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:44:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:44:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:44:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:44:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:44:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:44:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:44:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:44:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:44:14,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:44:14,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212132123] [2023-04-02 03:44:14,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212132123] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:44:14,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559568550] [2023-04-02 03:44:14,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:44:14,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:44:14,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:44:14,667 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 03:44:14,667 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 03:44:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:15,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 2403 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:44:15,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:44:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:44:15,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:44:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:44:15,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559568550] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:44:15,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:44:15,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4, 4] total 16 [2023-04-02 03:44:15,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518773370] [2023-04-02 03:44:15,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:44:15,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 03:44:15,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:44:15,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 03:44:15,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2023-04-02 03:44:15,278 INFO L87 Difference]: Start difference. First operand 615 states and 852 transitions. Second operand has 16 states, 16 states have (on average 10.125) internal successors, (162), 7 states have internal predecessors, (162), 2 states have call successors, (71), 11 states have call predecessors, (71), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-02 03:44:28,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:44:28,957 INFO L93 Difference]: Finished difference Result 1886 states and 3024 transitions. [2023-04-02 03:44:28,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-04-02 03:44:28,958 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.125) internal successors, (162), 7 states have internal predecessors, (162), 2 states have call successors, (71), 11 states have call predecessors, (71), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 187 [2023-04-02 03:44:28,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:44:28,964 INFO L225 Difference]: With dead ends: 1886 [2023-04-02 03:44:28,964 INFO L226 Difference]: Without dead ends: 1606 [2023-04-02 03:44:28,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=408, Invalid=924, Unknown=0, NotChecked=0, Total=1332 [2023-04-02 03:44:28,966 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3293 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 4818 mSolverCounterSat, 1149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 5967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1149 IncrementalHoareTripleChecker+Valid, 4818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:44:28,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3332 Valid, 39 Invalid, 5967 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1149 Valid, 4818 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-04-02 03:44:28,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2023-04-02 03:44:29,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 826. [2023-04-02 03:44:29,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 587 states have (on average 1.5178875638841567) internal successors, (891), 595 states have internal predecessors, (891), 161 states have call successors, (161), 79 states have call predecessors, (161), 77 states have return successors, (159), 155 states have call predecessors, (159), 156 states have call successors, (159) [2023-04-02 03:44:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1211 transitions. [2023-04-02 03:44:29,536 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1211 transitions. Word has length 187 [2023-04-02 03:44:29,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:44:29,536 INFO L495 AbstractCegarLoop]: Abstraction has 826 states and 1211 transitions. [2023-04-02 03:44:29,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.125) internal successors, (162), 7 states have internal predecessors, (162), 2 states have call successors, (71), 11 states have call predecessors, (71), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-02 03:44:29,537 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1211 transitions. [2023-04-02 03:44:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-04-02 03:44:29,539 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:44:29,539 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:44:29,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-04-02 03:44:29,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 03:44:29,749 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:44:29,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:44:29,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1517552730, now seen corresponding path program 1 times [2023-04-02 03:44:29,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:44:29,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719044541] [2023-04-02 03:44:29,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:44:29,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:44:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:44:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:44:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:44:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:44:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:44:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:44:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:44:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:44:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:44:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:44:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:44:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:44:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:44:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:44:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:44:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:44:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:44:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:44:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:44:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:44:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:44:30,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:44:30,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719044541] [2023-04-02 03:44:30,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719044541] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:44:30,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:44:30,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:44:30,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774257973] [2023-04-02 03:44:30,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:44:30,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:44:30,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:44:30,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:44:30,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:44:30,356 INFO L87 Difference]: Start difference. First operand 826 states and 1211 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:44:40,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:44:40,196 INFO L93 Difference]: Finished difference Result 2839 states and 4692 transitions. [2023-04-02 03:44:40,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:44:40,197 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 193 [2023-04-02 03:44:40,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:44:40,204 INFO L225 Difference]: With dead ends: 2839 [2023-04-02 03:44:40,205 INFO L226 Difference]: Without dead ends: 2115 [2023-04-02 03:44:40,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:44:40,207 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2969 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 1278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3008 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 4308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1278 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:44:40,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3008 Valid, 30 Invalid, 4308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1278 Valid, 3030 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-04-02 03:44:40,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2023-04-02 03:44:41,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 1034. [2023-04-02 03:44:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 752 states have (on average 1.5305851063829787) internal successors, (1151), 760 states have internal predecessors, (1151), 204 states have call successors, (204), 79 states have call predecessors, (204), 77 states have return successors, (202), 198 states have call predecessors, (202), 199 states have call successors, (202) [2023-04-02 03:44:41,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1557 transitions. [2023-04-02 03:44:41,053 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1557 transitions. Word has length 193 [2023-04-02 03:44:41,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:44:41,053 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1557 transitions. [2023-04-02 03:44:41,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:44:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1557 transitions. [2023-04-02 03:44:41,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-04-02 03:44:41,056 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:44:41,056 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:44:41,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:44:41,056 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:44:41,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:44:41,056 INFO L85 PathProgramCache]: Analyzing trace with hash -303277971, now seen corresponding path program 1 times [2023-04-02 03:44:41,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:44:41,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87538141] [2023-04-02 03:44:41,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:44:41,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:44:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:44:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:44:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:44:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:44:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:44:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:44:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:44:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:44:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:44:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:44:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:44:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:44:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:44:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:44:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:44:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:44:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:44:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:44:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:44:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:44:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:44:41,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:44:41,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87538141] [2023-04-02 03:44:41,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87538141] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:44:41,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:44:41,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:44:41,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549634544] [2023-04-02 03:44:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:44:41,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:44:41,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:44:41,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:44:41,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:44:41,650 INFO L87 Difference]: Start difference. First operand 1034 states and 1557 transitions. Second operand has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:44:53,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:44:53,232 INFO L93 Difference]: Finished difference Result 3899 states and 6621 transitions. [2023-04-02 03:44:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:44:53,257 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 194 [2023-04-02 03:44:53,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:44:53,267 INFO L225 Difference]: With dead ends: 3899 [2023-04-02 03:44:53,267 INFO L226 Difference]: Without dead ends: 2996 [2023-04-02 03:44:53,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:44:53,272 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2324 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2961 mSolverCounterSat, 1008 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2363 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1008 IncrementalHoareTripleChecker+Valid, 2961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:44:53,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2363 Valid, 30 Invalid, 3969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1008 Valid, 2961 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-04-02 03:44:53,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2996 states. [2023-04-02 03:44:54,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2996 to 1350. [2023-04-02 03:44:54,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1007 states have (on average 1.5392254220456802) internal successors, (1550), 1015 states have internal predecessors, (1550), 265 states have call successors, (265), 79 states have call predecessors, (265), 77 states have return successors, (263), 259 states have call predecessors, (263), 260 states have call successors, (263) [2023-04-02 03:44:54,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2078 transitions. [2023-04-02 03:44:54,568 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2078 transitions. Word has length 194 [2023-04-02 03:44:54,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:44:54,568 INFO L495 AbstractCegarLoop]: Abstraction has 1350 states and 2078 transitions. [2023-04-02 03:44:54,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:44:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2078 transitions. [2023-04-02 03:44:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-04-02 03:44:54,572 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:44:54,572 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:44:54,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:44:54,572 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:44:54,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:44:54,573 INFO L85 PathProgramCache]: Analyzing trace with hash 976324840, now seen corresponding path program 1 times [2023-04-02 03:44:54,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:44:54,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145376080] [2023-04-02 03:44:54,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:44:54,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:44:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:44:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:44:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:44:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:44:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:44:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:44:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:44:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:44:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:44:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:44:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:44:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:44:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:44:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:44:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:44:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:44:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:44:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:44:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:44:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:44:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:44:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:44:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:44:55,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:44:55,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145376080] [2023-04-02 03:44:55,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145376080] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:44:55,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:44:55,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:44:55,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852995330] [2023-04-02 03:44:55,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:44:55,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:44:55,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:44:55,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:44:55,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:44:55,173 INFO L87 Difference]: Start difference. First operand 1350 states and 2078 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:45:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:45:07,950 INFO L93 Difference]: Finished difference Result 5547 states and 9606 transitions. [2023-04-02 03:45:07,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:45:07,951 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 195 [2023-04-02 03:45:07,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:45:07,965 INFO L225 Difference]: With dead ends: 5547 [2023-04-02 03:45:07,965 INFO L226 Difference]: Without dead ends: 4384 [2023-04-02 03:45:07,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:45:07,970 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2580 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2833 mSolverCounterSat, 1079 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1079 IncrementalHoareTripleChecker+Valid, 2833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:45:07,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 30 Invalid, 3912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1079 Valid, 2833 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-02 03:45:07,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4384 states. [2023-04-02 03:45:10,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4384 to 1849. [2023-04-02 03:45:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1849 states, 1412 states have (on average 1.541784702549575) internal successors, (2177), 1420 states have internal predecessors, (2177), 359 states have call successors, (359), 79 states have call predecessors, (359), 77 states have return successors, (357), 353 states have call predecessors, (357), 354 states have call successors, (357) [2023-04-02 03:45:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 2893 transitions. [2023-04-02 03:45:10,055 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 2893 transitions. Word has length 195 [2023-04-02 03:45:10,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:45:10,055 INFO L495 AbstractCegarLoop]: Abstraction has 1849 states and 2893 transitions. [2023-04-02 03:45:10,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:45:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2893 transitions. [2023-04-02 03:45:10,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-04-02 03:45:10,059 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:45:10,060 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:45:10,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:45:10,060 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:45:10,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:45:10,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1599211987, now seen corresponding path program 1 times [2023-04-02 03:45:10,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:45:10,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080991117] [2023-04-02 03:45:10,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:10,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:45:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:45:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:45:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:45:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:45:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:45:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:45:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:45:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:45:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:45:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:45:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:45:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:45:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:45:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:45:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:45:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:45:10,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:45:10,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080991117] [2023-04-02 03:45:10,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080991117] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:45:10,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:45:10,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:45:10,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183408457] [2023-04-02 03:45:10,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:45:10,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:45:10,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:45:10,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:45:10,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:45:10,654 INFO L87 Difference]: Start difference. First operand 1849 states and 2893 transitions. Second operand has 12 states, 12 states have (on average 9.25) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:45:26,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:45:26,499 INFO L93 Difference]: Finished difference Result 8236 states and 14447 transitions. [2023-04-02 03:45:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:45:26,499 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.25) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 196 [2023-04-02 03:45:26,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:45:26,527 INFO L225 Difference]: With dead ends: 8236 [2023-04-02 03:45:26,528 INFO L226 Difference]: Without dead ends: 6673 [2023-04-02 03:45:26,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:45:26,535 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3768 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 1660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 4507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1660 IncrementalHoareTripleChecker+Valid, 2847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:45:26,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 30 Invalid, 4507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1660 Valid, 2847 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-04-02 03:45:26,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6673 states. [2023-04-02 03:45:29,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6673 to 2661. [2023-04-02 03:45:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2075 states have (on average 1.540722891566265) internal successors, (3197), 2083 states have internal predecessors, (3197), 508 states have call successors, (508), 79 states have call predecessors, (508), 77 states have return successors, (506), 502 states have call predecessors, (506), 503 states have call successors, (506) [2023-04-02 03:45:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 4211 transitions. [2023-04-02 03:45:29,948 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 4211 transitions. Word has length 196 [2023-04-02 03:45:29,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:45:29,948 INFO L495 AbstractCegarLoop]: Abstraction has 2661 states and 4211 transitions. [2023-04-02 03:45:29,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.25) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:45:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 4211 transitions. [2023-04-02 03:45:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-04-02 03:45:29,955 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:45:29,955 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:45:29,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 03:45:29,956 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:45:29,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:45:29,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1060612312, now seen corresponding path program 1 times [2023-04-02 03:45:29,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:45:29,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457360301] [2023-04-02 03:45:29,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:45:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:45:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:45:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:45:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:45:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:45:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:45:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:45:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:45:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:45:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:45:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:45:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:45:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 03:45:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:45:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:45:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:30,508 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:45:30,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:45:30,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457360301] [2023-04-02 03:45:30,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457360301] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:45:30,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:45:30,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:45:30,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029526899] [2023-04-02 03:45:30,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:45:30,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:45:30,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:45:30,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:45:30,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:45:30,510 INFO L87 Difference]: Start difference. First operand 2661 states and 4211 transitions. Second operand has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:45:52,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:45:52,809 INFO L93 Difference]: Finished difference Result 12968 states and 22941 transitions. [2023-04-02 03:45:52,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:45:52,810 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 197 [2023-04-02 03:45:52,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:45:52,881 INFO L225 Difference]: With dead ends: 12968 [2023-04-02 03:45:52,881 INFO L226 Difference]: Without dead ends: 10717 [2023-04-02 03:45:52,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:45:52,891 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4601 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2723 mSolverCounterSat, 2121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4640 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 4844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2121 IncrementalHoareTripleChecker+Valid, 2723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:45:52,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4640 Valid, 28 Invalid, 4844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2121 Valid, 2723 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-04-02 03:45:52,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10717 states. [2023-04-02 03:45:58,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10717 to 4110. [2023-04-02 03:45:58,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3241 states have (on average 1.5316260413452638) internal successors, (4964), 3249 states have internal predecessors, (4964), 791 states have call successors, (791), 79 states have call predecessors, (791), 77 states have return successors, (789), 785 states have call predecessors, (789), 786 states have call successors, (789) [2023-04-02 03:45:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 6544 transitions. [2023-04-02 03:45:58,631 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 6544 transitions. Word has length 197 [2023-04-02 03:45:58,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:45:58,631 INFO L495 AbstractCegarLoop]: Abstraction has 4110 states and 6544 transitions. [2023-04-02 03:45:58,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-02 03:45:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 6544 transitions. [2023-04-02 03:45:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-02 03:45:58,642 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:45:58,643 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:45:58,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 03:45:58,643 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:45:58,643 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:45:58,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1167737875, now seen corresponding path program 1 times [2023-04-02 03:45:58,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:45:58,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589839376] [2023-04-02 03:45:58,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:45:58,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:45:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:45:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:45:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:45:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:45:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:45:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:45:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:45:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:45:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:45:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:45:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:45:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:45:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:45:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:45:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:45:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:45:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:45:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:45:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:45:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:45:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-04-02 03:45:59,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:45:59,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589839376] [2023-04-02 03:45:59,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589839376] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:45:59,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:45:59,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:45:59,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213885143] [2023-04-02 03:45:59,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:45:59,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:45:59,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:45:59,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:45:59,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:45:59,192 INFO L87 Difference]: Start difference. First operand 4110 states and 6544 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)